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Form 8-K

sec.gov

8-K — ADC Therapeutics SA

Accession: 0000950103-26-015465

Filed: 2026-10-13

Period: 2026-10-07

CIK: 0001771910

SIC: 2834 (PHARMACEUTICAL PREPARATIONS)

Item: Entry into a Material Definitive Agreement

Item: Results of Operations and Financial Condition

Item: Unregistered Sales of Equity Securities

Item: Financial Statements and Exhibits

Documents

8-K — dp254756_8k.htm (Primary)

EX-10.1 — EXHIBIT 10.1 (dp254756_ex1001.htm)

EX-10.2 — EXHIBIT 10.2 (dp254756_ex1002.htm)

EX-10.3 — EXHIBIT 10.3 (dp254756_ex1003.htm)

EX-10.4 — EXHIBIT 10.4 (dp254756_ex1004.htm)

EX-10.5 — EXHIBIT 10.5 (dp254756_ex1005.htm)

EX-99.1 — EXHIBIT 99.1 (dp254756_ex9901.htm)

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8-K — FORM 8-K

8-K (Primary)

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UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 8-K

CURRENT REPORT

Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934

Date of Report (Date of Earliest Event Reported):

October 7, 2026

ADC Therapeutics

SA

(Exact Name of Registrant as Specified in Its Charter)

Switzerland

001-39071

N/A

(State or Other Jurisdiction of Incorporation)

(Commission File Number)

(IRS Employer Identification Number)

Biopôle

Route de la Corniche 3B

1066 Epalinges

Switzerland

(Address of Principal Executive Offices) (Zip Code)

+41 21 653 02 00

(Registrant’s Telephone Number)

N/A

(Former Name or Former Address, if Changed Since Last Report)

Check the appropriate box below if the Form 8-K filing is intended

to simultaneously satisfy the filing obligation of the registrant under any of the following provisions (see General Instruction A.2.

below):

☐ Written communications pursuant to Rule 425 under the Securities

Act (17 CFR 230.425)

☐ Soliciting material pursuant to Rule 14a-12 under the Exchange

Act (17 CFR 240.14a-12)

☐ Pre-commencement communications pursuant to Rule 14d-2(b) under

the Exchange Act (17 CFR 240.14d-2(b))

☐ Pre-commencement communications pursuant to Rule 13e-4(c) under

the Exchange Act (17 CFR 240.13e-4(c))

Securities registered pursuant to Section 12(b) of the Exchange Act:

Title of Each Class

Trading Symbol

Name of Each Exchange on Which Registered

Common Shares, par value CHF 0.08 per share

ADCT

New York Stock Exchange

Indicate by check mark whether the registrant is an emerging growth

company as defined in Rule 405 of the Securities Act of 1933 (17 C.F.R. § 230.405) or Rule 12b-2 of the Securities Exchange Act of

1934 (17 C.F.R. § 240.12b-2). Emerging growth company ☐

If an emerging growth company, indicate by check mark if the registrant

has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant

to Section 13(a) of the Exchange Act. ☐

Item 1.01. Entry into a Material Definitive Agreement.

Private Placement

On October 7, 2026, ADC Therapeutics SA (the

“Company”) entered into securities purchase agreements for the sale of its equity securities to certain institutional

investors in a $86.6 million (assuming the cash exercise of the pre-funded warrants) private placement (the “Private

Placement”). In the private placement, the Company will sell 12,911,347 common shares at $1.4200 per share and pre-funded

warrants to purchase 48,088,653 common shares at $1.32400 per pre-funded warrant, which is the price per common share in the private

placement minus the exercise price per pre-funded warrant. The private placement is expected to close on October 22, 2026, subject

to customary closing conditions.

The purchase agreements provide certain registration rights, pursuant

to which the Company has agreed to file a registration statement within 30 business days to register the resale of the common shares sold

in the private placement and the common shares issuable upon exercise of the pre-funded warrants sold in the private placement.

The private placement is exempt from the registration requirements

of the Securities Act of 1933, as amended (the “Securities Act”) under Section 4(a)(2) of the Securities Act in that the private

placement is between an issuer and sophisticated investors not involving any public offering. The Company is relying on this exemption

from registration based in part on representations made in the purchase agreements for the private placement, a form of which is attached

to this Current Report on Form 8-K as Exhibit 10.1.

The pre-funded warrants are exercisable at any time after their original

issuance until the tenth anniversary of their original issuance. At any time during the last 90 days of the term, the holder may exchange

the pre-funded warrant for, and the Company will issue, a new pre-funded warrant for the number of common shares then remaining under

the pre-funded warrant. The pre-funded warrants will be exercisable, at the option of each holder, in whole or in part (but not for less

than a common share) by delivering to the Company a duly executed exercise notice and by payment of the aggregate exercise price; provided

that any exercise of the pre-funded warrants must be for at least 50,000 common shares (or, if less, the remaining common shares available

for purchase under the pre-funded warrants). A holder will not be entitled to exercise any portion of any pre-funded warrants that, upon

giving effect to such exercise, would cause the aggregate number of the Company’s common shares beneficially owned by the holder

(together with its affiliates and certain attribution parties) to exceed 9.99% (or, 61 days after a written notice from such holder, any

other percentage not in excess of 19.99%) of the number of the Company’s common shares outstanding immediately after giving effect

to the exercise, as such percentage ownership is determined in accordance with the terms of the pre-funded warrants. The exercise price

per common share purchasable upon the exercise of the pre-funded warrants is CHF 0.08 per share, subject to customary adjustments. In

lieu of making cash payment of the aggregate exercise price, a holder may elect to exercise the pre-funded warrants on a cashless basis.

However, if the Company, at the time of receipt of an exercise notice electing cashless exercise, (i) does not, or has reason to believe

that the Company does not, have a sufficient amount of freely distributable equity to fund the nominal value of the number of common shares

the Company would be required to deliver upon such cashless exercise, and (ii) (x) holds common shares representing more than 2% of its

share capital registered in the commercial register at that time (the “Minimum Stock”) in treasury, then the Company will

not be obligated to (but may) deliver more than such number of common shares to the holder as exceeds the Minimum Stock or (y) holds up

to the Minimum Stock in treasury, then the Company will not be obligated to deliver any common shares to the holder. The exercise notice

will be deemed to be null and void to the extent the holder receives fewer common shares than to which such exercise notice relates. In

the event of (i) a sale, lease or other transfer of all or substantially all of the Company’s assets, (ii) a merger or consolidation

involving the Company in which the Company is not the surviving entity or in which the Company’s outstanding share capital is converted

into or exchanged for shares of capital stock or other securities or property of another entity, or (iii) any sale by holders of the Company’s

outstanding voting equity securities in a single transaction or series of related transactions of shares constituting a majority of the

Company’s outstanding combined voting power, and (x) if the consideration received by the Company’s shareholders consists

solely of cash and/or marketable securities, then holders of the pre-funded warrants will be deemed to have exercised their pre-funded

warrants (without regard to the exercise limitations described above) immediately prior to the closing date of such transaction or (y)

if the consideration received by the Company’s shareholders does not consist solely of cash and/or marketable securities, then the

Company will cause the successor or surviving entity to assume the pre-funded warrants. Subject to applicable laws, the pre-funded warrants

may be offered for sale, sold, transferred or assigned without the Company’s consent. The pre-funded warrants are governed by the

laws of Switzerland. The foregoing description of the pre-funded warrants does not purport to be complete and is qualified in its entirety

by reference to the form of pre-funded warrant, which is attached to this Current Report on Form 8-K as Exhibit 10.2.

Amendment to Loan Agreement

On October 7, 2026, the Company, certain subsidiaries of the

Company, the lenders party thereto and Blue Owl Opportunistic Lending Master Fund I, L.P., as administrative agent and collateral

agent, entered into a second amendment (the “Loan Agreement Amendment”) to the Loan Agreement and Guaranty, dated August

15, 2022 (as amended from time to time, the “Loan Agreement”). The effectiveness of the Loan Agreement Amendment

is conditioned on, among other things, the prepayment of $70.0 million principal amount of term loans under the Loan Agreement, plus accrued and unpaid

interest with respect thereto and any related fees and premiums, inclusive of the Company’s scheduled September 30, 2026

amortization payment. Immediately after such prepayment, if made, the principal amount of outstanding term loans under the Loan

Agreement will be $50.0 million. Upon effectiveness, the Loan Agreement Amendment eliminates subsequent scheduled principal

amortization, with the remaining principal payable at maturity unless earlier accelerated; eliminates the minimum liquidity

covenant; and sets the minimum trailing four-quarter U.S. ZYNLONTA sales covenant at $65.0 million for the quarter ending December

31, 2026 and each quarter thereafter. The foregoing description of the

Loan Agreement Amendment does not purport to be complete and is qualified in its entirety by reference to the Loan Agreement

Amendment, which is attached to this Current Report on Form 8-K as Exhibit 10.3.

In connection with the Loan Agreement Amendment, the Company

entered into amendments to the warrants to purchase an aggregate of 527,295 common shares, which were issued on August 15, 2022 in

connection with the Loan Agreement (the “Lender Warrants”). The amendments reduce the exercise price of the Lender

Warrants from $8.30 per share to $1.00 per share (being the lesser of $1.00 per share and the price per common share in the Private

Placement). The effectiveness of the amendments to the Lender Warrants is conditioned upon the effectiveness of the Loan Agreement

Amendment. The foregoing description of the amendments to the Lender Warrants does not purport to be complete and is qualified in

its entirety by reference to the form of amendment to the Lender Warrants, which is attached to this Current Report on Form 8-K as

Exhibit 10.4.

Amendment to Royalty Purchase and Sale Agreement

On October 7, 2026, the Company entered into Amendment

No. 2 (the “HCR Amendment”) to its Purchase and Sale Agreement, dated August 25, 2021(as amended from time to time, the

“HCR Agreement”), with certain entities managed by Healthcare Royalty Management, LLC (collectively, “HCR”).

To date, HCR has provided $300 million of funding to the Company. The HCR Amendment eliminates the payment otherwise required solely

upon a change of control and permits the Company (or its successor in interest) to exercise its option to buy out the remaining

royalty obligations without a change of control by paying HCR $525 million (if the buyout occurs on or prior to December 31, 2029)

or $750 million (if the buyout occurs on or after January 1, 2030), less the amount of royalties previously paid to HCR. If this

option is not exercised, the royalty obligations under the HCR Agreement will continue until the Royalty Cap (as defined in the HCR

Agreement). In addition, the HCR Amendment reduces the aggregate outstanding principal amount of third-party indebtedness of the

Company and its subsidiaries are permitted to incur to $50.0 million. An uncured breach of this debt limitation covenant entitles

HCR to elect to receive the non-performance payment equaling 1.5 times the difference between the $300 million aggregate purchase

price and royalty payments and other qualifying credited amounts actually received by HCR, subject to a cure period. The HCR

Amendment also requires the Company, subject to shareholder approval and applicable legal and fiduciary duties limitations, to use

its best efforts to become a Delaware corporation. In addition, the HCR Amendment amends the warrants to purchase 9,834,776 common

shares, which were issued on February 18, 2026 in connection with a previous amendment to the HCR Agreement (the “HCR

Warrants”), by reducing the exercise price of the HCR Warrants from $3.8130 per share to $0.10 per share; by adding a

provision that prohibits the exercise of the HCR Warrants if, upon giving effect to such exercise, the aggregate number of the

Company’s common shares beneficially owned by the holder (together with its affiliates and certain attribution parties) would

exceed 4.99% (or, 61 days after a written notice from such holder, any other percentage not in excess of 9.99%) of the number of the

Company’s common shares outstanding immediately after giving effect to the exercise, as such percentage ownership is

determined in accordance with the terms of the HCR Amendment; and removing the contractual restrictions on transfers of the HCR

Warrants and shares issuable upon exercise of the HCR Warrants before January 1, 2028. The effectiveness of the HCR Amendment is

conditioned upon the completion of the Private Placement by October 31, 2026 and effectiveness of the Loan Agreement Amendment. The

foregoing description of the HCR Amendment does not purport to be complete and is qualified in its entirety by reference to the HCR

Amendment, which is attached to this Current Report on Form 8-K as Exhibit 10.5.

Item 2.02. Results of Operations and Financial Condition.

On October 8, 2026, the Company issued a press release that includes the preliminary net product revenues from sales of ZYNLONTA for the quarter ended

September 30, 2026 and the preliminary cash and cash equivalents as of September 30, 2026. A copy of the press release is attached

as Exhibit 99.1 to this Current Report on Form 8-K and incorporated by reference herein.

The ZYNLONTA net product revenues and cash and cash equivalents figures

are preliminary and unaudited and reflect the Company’s estimated financial results. In preparing this information, management made

a number of complex and subjective judgments and estimates about the appropriateness of certain reported amounts and disclosures. The

Company’s actual financial results for the quarter ended September 30, 2026 have not yet been finalized by management. The preliminary financial information is not a comprehensive statement of all financial results

for the quarter ended September 30, 2026. Subsequent information or events may lead to material differences between the foregoing preliminary

financial results and those reported in the Company’s subsequent SEC filings. Accordingly, investors should not place undue reliance

on these preliminary financial results.

The information contained in this Item 2.02 and Exhibit 99.1 shall

not be deemed to be “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, as amended (the “Exchange

Act”), or otherwise subject to the liabilities of that section, nor shall it be deemed incorporated by reference in any filing under

the Securities Act or the Exchange Act, except as shall be expressly set forth by specific reference in such filing.

Item 3.02. Unregistered Sales of Equity Securities.

The information set forth under Item 1.01 of this Current Report

on Form 8-K with regards to the Private Placement, the Lender Warrants and the HCR Warrants is incorporated by reference in this

Item 3.02.

Item 9.01. Financial Statements and Exhibits.

(d) Exhibits.

Exhibit Number

Description

10.1

Form of securities purchase agreement

10.2

Form of pre-funded warrant

10.3

Amendment to Loan Agreement, dated October 7, 2026, by and among ADC

Therapeutics SA, certain subsidiaries, the lenders party thereto and Blue Owl Opportunistic Lending Master Fund I, L.P., as

administrative agent and collateral agent

10.4

Form of amendment to Lender Warrants

10.5

Amendment No. 2 to the Purchase and Sale Agreement, dated October 7, 2026, by and among ADC Therapeutics SA and certain entities managed by Healthcare Royalty Management, LLC

99.1

Press release dated October 8, 2026

104

Cover Page Interactive Data File (embedded within the Inline XBRL document)

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934,

the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.

ADC Therapeutics SA

Date: October 13, 2026

By:

/s/ Peter J. Graham

Name:

Peter J. Graham

Title:

Chief Legal Officer

EX-10.1 — EXHIBIT 10.1

EX-10.1

Filename: dp254756_ex1001.htm · Sequence: 2

Exhibit 10.1

SECURITIES PURCHASE AGREEMENT

This SECURITIES PURCHASE AGREEMENT (this “Agreement”)

is dated as of October 7, 2026, by and between ADC Therapeutics SA, a société anonyme domiciled in Epalinges, Canton

of Vaud, Switzerland, and organized under the laws of Switzerland (the “Company”), and the undersigned investor (the

“Investor”). Substantially concurrently with the execution of this Agreement, the Company is entering into separate

purchase agreements (collectively, the “Additional Purchase Agreements”) with certain investors (the “Additional

Investors”), severally and not jointly, to purchase securities from the Company in one or more transactions exempt from the

registration requirements of the Securities Act (as defined below) pursuant to Section 4(a)(2) thereof (the transactions contemplated

by this Agreement and the Additional Purchase Agreements, collectively, the “PIPE Transaction”).

In consideration of the mutual promises made herein

and for other good and valuable consideration, the receipt and sufficiency of which are hereby acknowledged, the parties hereto agree

as follows:

Section 1. Definitions. For the purposes

of this Agreement, capitalized terms not otherwise defined shall have the meanings set forth below:

“Affiliate” means, with respect

to any Person, any other Person which directly or indirectly through one or more intermediaries Controls, is controlled by, or is under

common Control with, such Person.

“Business Day” means a day,

other than a Saturday or Sunday, on which banks in New York City are open for the general transaction of business.

“Common Shares” means the common

shares, par value CHF 0.08 per share, of the Company.

“Control” (including the terms

“controlling,” “controlled by” or “under common control with”) means the possession, direct or indirect,

of the power to direct or cause the direction of the management and policies of a Person, whether through the ownership of voting securities,

by contract or otherwise.

“Exchange Act” means the Securities

Exchange Act of 1934, as amended, or any successor statute, and the rules and regulations promulgated thereunder.

“Health Care Laws” means (i)

the Federal Food, Drug, and Cosmetic Act (21 U.S.C. §§ 301 et seq.), the Public Health Service Act (42 U.S.C. §§ 201

et seq.); (ii) all applicable federal, state, local and all applicable foreign health care related fraud and abuse laws, including, without

limitation, the U.S. Anti-Kickback Statute (42 U.S.C. § 1320a-7b(b)), the U.S. False Statements Law (42 U.S.C. § 1320a-7b(a)),

the Civil Monetary Penalties Law (42 U.S.C. §1320a-7a), the U.S. Civil False Claims Act (31 U.S.C. § 3729 et seq.), all criminal

laws relating to health care fraud and abuse, including but not limited to 18 U.S.C. §§ 286 and 287, and the health care fraud

criminal provisions under the U.S. Health Insurance Portability and Accountability Act of 1996 (“HIPAA”) (42 U.S.C.

§§ 1320d et seq.), the Physician Payments Sunshine Act (42 U.S.C. § 1320a-7h), the exclusion law (42 U.S.C. §1320a-7);

(iii) HIPAA, as amended by the Health Information Technology for Economic and Clinical Health Act (42 U.S.C. §§ 17921 et seq.);

(iv) regulations promulgated pursuant to such statutes; and (v) any and all other applicable federal, state, or foreign health care laws

and regulation applicable to the ownership, testing, development, manufacture, packaging, processing, use, distribution, marketing, advertising,

labeling, promotion, sale, offer for sale, storage, import, export or disposal of any product manufactured or distributed by the Company.

“NYSE” means the New York Stock

Exchange.

“Person” means an individual,

corporation, partnership, limited liability company, trust, business trust, association, joint stock company, joint venture, sole proprietorship,

unincorporated organization, governmental authority or any other form of entity not specifically listed herein.

“Placement Agents” means each

of Jefferies LLC, Guggenheim Securities, LLC and Cantor Fitzgerald & Co.

“Pre-Funded Warrants” means

the pre-funded warrants of the Company, in the form attached as Exhibit A hereto.

1

“Registrable Securities” means

(i) the Shares and the Warrant Shares and (ii) any other Common Shares issued as a dividend or other distribution with respect to, in

exchange for or in replacement of the Shares or the Warrant Shares; provided, however, that any such Registrable Securities

shall cease to be Registrable Securities (and the Company shall not be required to maintain the effectiveness of any, or file another,

registration statement hereunder with respect thereto) upon the first to occur of (A) a registration statement with respect to the sale

of such Registrable Securities being declared effective by the SEC under the Securities Act and such Registrable Securities having been

disposed of or transferred by the holder thereof in accordance with such effective registration statement, (B) such Registrable Securities

having been previously sold or transferred in accordance with Rule 144 (or another exemption from the registration requirements of the

Securities Act), (C) such securities becoming eligible for resale without volume or manner-of-sale restrictions and without current public

information requirements pursuant to Rule 144, (D) such securities are no longer outstanding or (E) the third anniversary of the Closing

Date.

“Regulation D” means Regulation

D as promulgated by the SEC under the Securities Act.

“Rule 144” means Rule 144 promulgated

under the Securities Act.

“SEC” means the U.S. Securities

and Exchange Commission.

“SEC Documents” means the documents

filed by the Company with the SEC pursuant to the Exchange Act on or after January 1, 2025.

“Securities Act” means the Securities

Act of 1933, as amended, or any successor statute, and the rules and regulations promulgated thereunder.

“Short Sales” means all “short

sales” as defined in Rule 200 of Regulation SHO under the Exchange Act (but shall not be deemed to include the location and/or reservation

of borrowable shares of Common Shares).

“Trading Day” means a day on

which the NYSE is open for trading.

“Transaction Documents” means

this Agreement and the Warrants (as defined below).

“Warrant Shares” means the Common

Shares issuable upon exercise of the Warrants in full without regard to any exercise limitations therein.

Section 2. Purchase and Sale of the Securities.

At the Closing (as defined below), upon the terms of and subject to the conditions set forth in

this Agreement, the Company will issue and sell to the Investor, and the Investor will purchase from the Company, (i) the number of Common

Shares set forth under the heading “Number of Shares” on the Investor’s signature page to this Agreement (such Common

Shares, collectively, the “Shares”), at a price per Share equal to $1.4200 and

(ii) the number of Pre-Funded Warrants set forth under the heading “Number of Pre-Funded Warrants” on the Investor’s

signature page to this Agreement (such Pre-Funded Warrants, collectively, the “Warrants” and, together with the Shares,

the “Securities”), at a price per Warrant equal to $1.32400, which is

the price per Share under this Agreement minus the U.S. dollar equivalent of the exercise price of such Warrant.

Section 3. Closing.

Section 3.1. The closing of the purchase and sale

of the Securities pursuant to this Agreement (the “Closing”) shall be held remotely no later than 9:30 a.m. (New York

City time) on October 22, 2026 (the “Closing Date”).

Section 3.2. At or prior to the Closing, the Investor

shall execute any related agreements or other documents required to be executed under this Agreement, dated on or before the Closing Date,

including but not limited to the Investor Questionnaire in the form attached as Annex A hereto (the “Investor Questionnaire”).

Section 3.3. At the Closing, (i) the Investor

shall pay the purchase price of the Securities to the Company by wire transfer in immediately available U.S. federal funds to an account

designated by the Company in writing not later than two Business Days prior to the Closing Date and (ii) the Company shall issue and deliver

to the Investor the Shares in book-entry form and registered in the name of the Investor (or its nominee if specified in

2

writing not later than two Business Days prior to

the Closing Date) and the Warrants in electronic form and registered in the name of the Investor (or its nominee if specified in writing

not later than two Business Days prior to the Closing Date).

Section 3.4. The book-entry positions evidencing

the Shares and the Warrants, in each case, delivered on the Closing Date, shall bear the following legend: “THE SECURITIES REPRESENTED

HEREBY (AND ANY SECURITIES ISSUED UPON THE EXERCISE OF THE SECURITIES REPRESENTED HEREBY) HAVE NOT BEEN REGISTERED WITH THE SECURITIES

AND EXCHANGE COMMISSION OR THE SECURITIES COMMISSION OF ANY STATE IN RELIANCE UPON AN EXEMPTION FROM REGISTRATION UNDER THE SECURITIES

ACT OF 1933, AS AMENDED, AND, ACCORDINGLY, MAY NOT BE TRANSFERRED UNLESS (I) SUCH SECURITIES HAVE BEEN REGISTERED FOR SALE PURSUANT TO

THE SECURITIES ACT OF 1933, AS AMENDED, (II) SUCH SECURITIES MAY BE SOLD PURSUANT TO RULE 144, OR (III) THE COMPANY HAS RECEIVED AN OPINION

OF COUNSEL REASONABLY SATISFACTORY TO IT THAT SUCH TRANSFER MAY LAWFULLY BE MADE WITHOUT REGISTRATION UNDER THE SECURITIES ACT OF 1933,

AS AMENDED.”

Section 4. Representations and Warranties

of the Company. The Company represents and warrants to the Investor, as of the date hereof and as of the Closing Date (except to the

extent made only as of a specified date, in which case such representation and warranty is made as of such date):

Section 4.1. The Company has filed all reports,

schedules, forms, statements and other documents required to be filed by the Company under the Exchange Act. At the time of filing thereof,

each SEC Document complied in all material respects with the Exchange Act. At the time of filing thereof, each SEC Document did not contain

any untrue statement of a material fact or omit to state a material fact required to be stated therein or necessary to make the statements

therein, in light of the circumstances under which they were made, not misleading.

Section 4.2. The Common Shares are registered

pursuant to Section 12(b) of the Exchange Act and listed for trading on NYSE. There is no suit, action, proceeding or investigation pending

or, to the knowledge of the Company, threatened against the Company by NYSE or the SEC, respectively, to prohibit or terminate the listing

of the Common Shares on NYSE or to deregister the Common Shares under the Exchange Act.

Section 4.3. The Company has been duly incorporated

and is validly existing as a Swiss stock corporation (société anonyme) in good standing (to the extent this concept

applies) under the laws of Switzerland, has the corporate power and authority to own its property and to conduct its business, is not

in liquidation or receivership or the subject of any insolvency or bankruptcy proceedings and is duly qualified to transact business (and,

if applicable, is in good standing) in each jurisdiction in which the conduct of its business or its ownership or leasing of property

requires such qualification, except to the extent that the failure to be so qualified or be in good standing (to the extent this concept

applies) would not, individually or in the aggregate, be reasonably expected to have a material adverse effect on the Company and its

subsidiaries, taken as a whole.

Section 4.4. Each subsidiary of the Company has

been duly incorporated, is validly existing as a corporation (and, if applicable, in good standing) under the laws of the jurisdiction

of its incorporation, has the corporate power and authority to own its property and to conduct its business, is not in liquidation or

receivership or the subject of any insolvency or bankruptcy proceedings and is duly qualified to transact business (and, if applicable,

is in good standing) in each jurisdiction in which the conduct of its business or its ownership or leasing of property requires such qualification,

except to the extent that the failure to be so qualified or be in good standing (to the extent this concept applies) would not, individually

or in the aggregate, be reasonably expected to have a material adverse effect on the Company and its subsidiaries, taken as a whole. Except

as otherwise described in the SEC Documents, all of the issued shares of capital stock of each subsidiary of the Company have been duly

and validly authorized and issued, are fully paid and non-assessable and such shares are owned directly by the Company, free and clear

of all liens, encumbrances, equities or claims.

Section 4.5. This Agreement has been duly authorized,

executed and delivered by the Company. Assuming due authorization, execution and delivery of this Agreement by the Investor, this Agreement

constitutes a legal, valid and binding obligation of the Company, enforceable against the Company in accordance with its terms, except

as the enforcement thereof may be limited by bankruptcy, insolvency, reorganization,

3

moratorium or other similar laws relating to or affecting

the rights and remedies of creditors or by general equitable principles.

Section 4.6. The Common Shares issued and outstanding

prior to the issuance of the Securities have been duly authorized and are validly issued, fully paid and non-assessable.

Section 4.7. The Common Shares conform as to legal

matters to the description thereof contained in the SEC Documents. Except as otherwise described in the SEC Documents or in connection

with the PIPE Transaction, there are no outstanding rights (including, without limitation, subscription rights), warrants or options to

acquire, or instruments, securities or rights convertible into or exchangeable for, any Common Shares or other equity interest in the

Company to which the Company or any of its subsidiaries is a party, or any contract, commitment, or arrangement of any kind to which the

Company or any of its subsidiaries is a party under which the Company or any of its subsidiaries have committed to issue any Common Shares

or grant any such convertible or exchangeable securities or any such rights, warrants or options. Except as otherwise described in the

SEC Documents, there are no outstanding rights (including, without limitation, subscription rights), warrants or options to acquire, or

instruments, securities or rights convertible into or exchangeable for, any shares of any of the Company’s subsidiaries to which

the Company or any of its subsidiaries is a party, or any contract, commitment, or arrangement of any kind to which the Company or any

of its subsidiaries is a party under which the Company or any of its subsidiaries have committed to issue any shares, rights, warrants

or options or instruments convertible into or exchangeable for, any shares of any subsidiary of the Company.

Section 4.8. The issuance and sale of the Securities

will have been duly authorized on the Closing Date. The Shares, when delivered and paid for in the manner contemplated by this Agreement,

will, at all times, be validly issued, fully paid and non-assessable. The Shares, when delivered and paid for in the manner contemplated

by this Agreement, will be, subject only to any restrictions applicable under the Company’s articles of association or applicable

laws, freely transferable except as described in the SEC Documents, and will not be subject to any pre-emptive right, third-party rights

or similar rights (including, without limitation, any security interest under articles 24 and 25 of the Swiss Federal Act on Intermediated

Securities) granted by the Company or any of its subsidiaries other than as contemplated by this Agreement. The Warrants, when executed

and delivered by the Company, will be valid and binding agreements of the Company, enforceable against the Company in accordance with

their terms, except as the enforcement thereof may be limited by bankruptcy, insolvency, reorganization, moratorium or other similar laws

relating to or affecting the rights and remedies of creditors or by general equitable principles. The Warrant Shares, when issued and

delivered upon exercise of the Warrants in accordance therewith, will, at all times, be validly issued, fully paid and non-assessable,

and when delivered and paid for in the manner contemplated by the Warrants, will be, subject only to any restrictions applicable under

the Company’s articles of association or applicable laws, freely transferable except as otherwise described in the SEC Documents,

and will not be subject to any pre-emptive right, third-party rights or similar rights (including, without limitation, any security interest

under articles 24 and 25 of the Swiss Federal Act on Intermediated Securities) granted by the Company or any of its subsidiaries other

than as contemplated by the Warrants. The Company has a valid conditional share capital for financing purposes, out of which the Warrant

Shares may be issued in compliance with the Company's articles of association (Statuts) and then delivered. On the Closing Date,

the Company will have duly reserved in its conditional share capital for financing purposes the number of Warrant Shares that are issuable

and deliverable upon the exercise of the Warrants.

Section 4.9. The execution and delivery by the

Company of, and the performance by the Company of its obligations under, the Transaction Documents do not contravene any provision of

(i) applicable law, (ii) the articles of association (Statuts) or the organizational regulations (Règlement d’organisation)

of the Company or (iii) any agreement or other instrument binding upon the Company or any of its subsidiaries that is material to the

Company and its subsidiaries, taken as a whole, or any judgment, order or decree of any governmental body, agency, or court having jurisdiction

over the Company or any subsidiary, except that in the case of clauses (i) and (iii) as would not, individually or in the aggregate, be

reasonably expected to have a material adverse effect on the Company or on the power and ability of the Company to perform its obligations

under the Transaction Documents. No consent, approval, authorization or order of, or qualification with, any governmental body or agency

is required for the performance by the Company of its obligations under this Agreement, except (A) such as have been obtained or waived

or as may be required by the securities or blue sky laws of the various states in connection with the offer and sale of the Securities

and the Warrant Shares, (B) the registration of the share capital increase for the

4

Transaction with the Commercial Register of the Canton

of Vaud, (C) the listing of the Shares and the Warrant Shares on the NYSE and (D) the registration of the Registrable Securities as contemplated

by Section 7.9, subject to (A) to (B) being obtained or done on or prior to the

Closing Date.

Section 4.10. There has not occurred any material

adverse effect on the Company and its subsidiaries, taken as a whole, or any development involving a prospective material adverse effect

on the Company and its subsidiaries, taken as a whole, in the condition, financial or otherwise, or in the earnings, business or operations

of the Company and its subsidiaries, taken as a whole, from that set forth in the SEC Documents or otherwise disclosed to the Investor.

Section 4.11. There are no legal or governmental

proceedings pending or, to the knowledge of the Company, threatened to which the Company or any of its subsidiaries is a party or to which

any of the properties of the Company or any of its subsidiaries is subject, other than proceedings accurately described in all material

respects in the SEC Documents and proceedings that would not, individually or in the aggregate, be reasonably expected to have a material

adverse effect on the Company and its subsidiaries, taken as a whole, or a material adverse effect on the power or ability of the Company

to perform its obligations under this Agreement or to consummate the transactions contemplated by the Transaction Documents. There are

no orders, writs, injunctions, judgments or decrees outstanding of any court or government agency or instrumentality and binding upon

the Company or any of its subsidiaries, other than proceedings accurately described in all material respects in the SEC Documents and

orders, writs, injunctions, judgments or decrees that would not, individually or in the aggregate, be reasonably expected to have a material

adverse effect on the Company and its subsidiaries, taken as a whole, or a material adverse effect on the power or ability of the Company

to perform its obligations under this Agreement or to consummate the transactions contemplated by the Transaction Documents. Neither the

Company nor any subsidiary, nor to the knowledge of the Company, any director or officer of the Company or any subsidiary, is, or within

the last ten years has been, the subject of any action involving a claim of violation of or liability under federal or state securities

laws relating to the Company or such subsidiary or a claim of breach of fiduciary duty relating to the Company or such subsidiary.

Section 4.12. The Company is not, and after giving

effect to the offering and sale of the Securities contemplated hereby and the application of the proceeds thereof will not be, required

to register as an “investment company” as such term is defined in the Investment Company Act of 1940, as amended.

Section 4.13. The Company and its subsidiaries

(i) are in compliance with any and all applicable foreign, federal, state, cantonal and local laws and regulations relating to the protection

of human health and safety, the environment or hazardous or toxic substances or wastes, pollutants or contaminants (“Environmental

Laws”), (ii) have received all permits, licenses or other approvals required of them under applicable Environmental Laws to

conduct their respective businesses and (iii) are in compliance with all terms and conditions of any such permit, license or approval,

except where such noncompliance with Environmental Laws, failure to receive required permits, licenses or other approvals or failure to

comply with the terms and conditions of such permits, licenses or approvals would not, individually or in the aggregate, be reasonably

expected to have a material adverse effect on the Company and its subsidiaries, taken as a whole.

Section 4.14. There are no costs or liabilities

associated with Environmental Laws (including, without limitation, any capital or operating expenditures required for clean up, closure

of properties or compliance with Environmental Laws or any permit, license or approval, any related constraints on operating activities

and any potential liabilities to third parties) which would, individually or in the aggregate, be reasonably expected to have a material

adverse effect on the Company and its subsidiaries, taken as a whole.

Section 4.15. None of the Company or its subsidiaries

or controlled Affiliates, or any director or officer, or, to the Company’s knowledge, any employee, agent or representative of the

Company or of any of its subsidiaries or controlled Affiliates, has taken or will take any action in furtherance of an offer, payment,

promise to pay, or authorization or approval of the payment, giving or receipt of money, property, gifts or anything else of value, directly

or indirectly, to any government official (including any officer or employee of a government or government-owned or controlled entity

or of a public international organization, or any person acting in an official capacity for or on behalf of any of the foregoing, or any

political party or party official or candidate for political

5

office) (“Government Official”)

in order to influence official action, or to any person in violation of any applicable anti-corruption laws. The Company and its subsidiaries

and controlled Affiliates have conducted their businesses in compliance with applicable anti-corruption laws and have instituted and maintained

and will continue to maintain policies and procedures reasonably designed to promote and achieve compliance with such laws and with the

representations and warranties contained herein. Neither the Company nor its subsidiaries will use, directly or indirectly, the proceeds

of the offering in furtherance of an offer, payment, promise to pay, or authorization of the payment or giving of money, or anything else

of value, to any person in violation of any applicable anti-corruption laws.

Section 4.16. The operations of the Company and

its subsidiaries are and have been conducted at all times in material compliance with all applicable financial recordkeeping and reporting

requirements, including, to the extent applicable, those of the Bank Secrecy Act, as amended by Title III of the Uniting and Strengthening

America by Providing Appropriate Tools Required to Intercept and Obstruct Terrorism Act of 2001 (USA PATRIOT Act), and the applicable

anti-money laundering statutes of jurisdictions where the Company and its subsidiaries conduct business, the rules and regulations thereunder

and any related or similar rules, regulations or guidelines issued, administered or enforced by any governmental agency (collectively,

the “Anti-Money Laundering Laws”), and no action, suit or proceeding by or before any court or governmental agency,

authority or body or any arbitrator involving the Company or any of its subsidiaries with respect to the Anti-Money Laundering Laws is

pending or, to the knowledge of the Company, threatened.

Section 4.17. Neither the Company nor any of its

subsidiaries, nor any director or officer thereof, nor, to the Company’s knowledge, any employee, agent, controlled Affiliate or

representative of the Company or any of its subsidiaries, is a Person that is, or is owned or controlled by a Person that is (i) the subject

of any sanctions administered or enforced by the U.S. Department of Treasury’s Office of Foreign Assets Control, the United Nations

Security Council, the European Union, His Majesty’s Treasury, the Swiss State Secretariat of Economic Affairs, the Swiss Directorate

of International Law or other relevant sanctions authority (collectively, “Sanctions”), or (ii) located, organized

or resident in a country or territory that is the subject of Sanctions (including, without limitation, Cuba, Iran, North Korea, Syria,

the Crimea Region located in Ukraine, and the so-called Donetsk People’s Republic, the so-called Luhansk People’s Republic

and any other Covered Region of Ukraine as may be determined by the U.S. Secretary of the Treasury pursuant to Executive Order 14065).

The Company will not, directly or indirectly, use the proceeds of the sale of the Securities, or lend, contribute or otherwise make available

such proceeds to any subsidiary, joint venture partner or other Person (i) to fund or facilitate any activities or business of or with

any Person or in any country or territory that, at the time of such funding or facilitation, is the subject of Sanctions or (ii) in any

other manner that will result in a violation of Sanctions by any Person (including any Person participating in the offering, whether as

underwriter, advisor, investor or otherwise). Since April 24, 2019, the Company and its subsidiaries have not engaged in, are not now

engaged in, and will not engage in, any dealings or transactions with any Person, or in any country or territory, that at the time of

the dealing or transaction is or was the subject of Sanctions.

Section 4.18. Subsequent to December 31, 2025,

except as described in the SEC Documents, in connection with the PIPE Transaction or otherwise disclosed to the Investor, (i) the Company

and its subsidiaries have not incurred any material liability or obligation, direct or contingent, nor entered into any material transaction,

(ii) the Company has not purchased any of its outstanding share capital other than from its employees or other service providers in connection

with the termination of their service pursuant to the terms of the equity compensation plans, nor declared, paid or otherwise made any

dividend or distribution of any kind on its share capital and (iii) except for the issuance of Common Shares into treasury, there has

not been any material change in the share capital (other than the exercise or settlement of equity awards or grants or forfeiture of equity

awards granted pursuant to the equity compensation plans), short-term debt or long-term debt of the Company and its subsidiaries.

Section 4.19. The Company and its subsidiaries

have good and marketable title to all real property and good and marketable title to all personal property (other than intellectual property,

which is addressed exclusively in ‎‎Section 4.20) owned by them which is material to the business of the Company

and its subsidiaries, in each case free and clear of all liens, encumbrances and defects except such as are described in the SEC Documents

or such as do not materially affect the value of such property and do not materially interfere with the use made and proposed to be made

of such property by the Company and its subsidiaries. Any real property and buildings held

6

under lease by the Company and its subsidiaries are

held by them under valid, subsisting and enforceable leases with such exceptions as are not material and do not materially interfere with

the use made and proposed to be made of such property and buildings by the Company and its subsidiaries, in each case except as described

in the SEC Documents.

Section 4.20. Except as described in the SEC Documents

and except as would not, individually or in the aggregate, be reasonably expected to have a  material adverse effect on the

Company and its subsidiaries, taken as a whole, (i) the Company and its subsidiaries own or have a valid license to all patents, inventions,

copyrights, know how (including trade secrets and other unpatented and/or unpatentable proprietary or confidential information, systems

or procedures), trademarks, service marks and trade names (collectively, “Intellectual Property Rights”) used in or

reasonably necessary to the conduct of their businesses as now operated by them, and as proposed to be operated in the future (including

upon the commercialization of the Company’s and its subsidiaries’ products or services), in each case as described in the

SEC Documents (the “Company Intellectual Property”), (ii) to the Company’s knowledge, there are no third parties

who have rights to any Company Intellectual Property, except for customary reversionary rights of third-party licensors, (iii) the Company

Intellectual Property owned by the Company and its subsidiaries and, to the Company’s knowledge, the Company Intellectual Property

licensed to the Company and its subsidiaries, are subsisting and, to the Company’s knowledge, valid and enforceable, (iv) there

is no pending or, to the Company’s knowledge, threatened action, suit, proceeding or claim by others challenging the validity, scope

or enforceability of any Company Intellectual Property, and, to the Company’s knowledge, the Company is unaware of any facts which

would form a reasonable basis for any such action, suit, proceeding or claim, (v) there is no pending or, to the Company’s knowledge,

threatened in writing action, suit, proceeding or claim by others challenging the Company’s rights in or to any Company Intellectual

Property, and the Company is unaware of any facts which would form a reasonable basis for any such action, suit, proceeding or claim,

(vi) neither the Company nor any of its subsidiaries has received any written notice alleging any infringement, misappropriation or other

violation of Intellectual Property Rights, (vii) to the Company’s knowledge, no third party is infringing, misappropriating or otherwise

violating, or has infringed, misappropriated or otherwise violated, any Company Intellectual Property owned by the Company, (viii) to

the Company’s knowledge, (A) neither the Company nor any of its subsidiaries infringes, misappropriates or otherwise violates, or

has infringed, misappropriated or otherwise violated, any third-party Intellectual Property Rights, and (B) the commercialization of the

products or services described in the SEC Documents as under development by the Company will not infringe, misappropriate, or otherwise

violate any third-party Intellectual Property Rights, (ix) to the Company’s knowledge, the Company and its subsidiaries have complied

with the terms of each agreement to which they are a party and pursuant to which Intellectual Property Rights have been licensed to the

Company or its subsidiaries, and all such agreements are in full force and effect, (x) to the Company’s knowledge, during the prosecution

of the patents and patent applications included in the Company Intellectual Property, the Company and its subsidiaries have complied with

the duty of candor and good faith with respect to such patents and patent applications as required by the United States Patent and Trademark

Office and all foreign offices having similar requirements, (xi) all employees or contractors engaged in the development of Company Intellectual

Property on behalf of the Company or any subsidiary of the Company have executed an invention assignment agreement whereby such employees

or contractors presently assign all of their right, title and interest in and to such Company Intellectual Property to the Company or

the applicable subsidiary, and no such agreement has been breached or violated, (xii) to the Company’s knowledge, none of the Company

Intellectual Property has been obtained, or is being used, by the Company or its subsidiary in violation of any contractual obligation

binding on the Company or its subsidiaries or any of their respective officers, directors or employees or otherwise in violation of the

rights of any persons and (xiii) the Company and its subsidiaries use, and have used, commercially reasonable efforts to appropriately

maintain all information intended to be maintained as a trade secret.

Section 4.21. No labor dispute with the employees

of the Company or any of its subsidiaries exists, except as described in the SEC Documents, or, to the knowledge of the Company, is imminent,

in either case, that could have a material adverse effect on the Company and its subsidiaries, taken as a whole; and the Company is not

aware of any existing, threatened or imminent labor disturbance by the employees of any of its principal suppliers, manufacturers or contractors

that could have a material adverse effect on the Company and its subsidiaries, taken as a whole.

Section 4.22. The Company and each of its subsidiaries

are insured by insurers of recognized financial responsibility against such losses and risks and in such amounts as the Company reasonably

believes are

7

prudent and customary in the businesses in which

they are engaged, except where the failure to be so insured would not, individually or in the aggregate, be reasonably expected to have

a material adverse effect on the Company and its subsidiaries, taken as a whole. Neither the Company nor any of its subsidiaries has been

refused any insurance coverage sought or applied for three years preceding the date of this Agreement. Neither the Company nor any of

its subsidiaries has any reason to believe that it will not be able to renew its existing insurance coverage as and when such coverage

expires or to obtain similar coverage from similar insurers as may be necessary to continue its business at a cost that would not, individually

or in the aggregate, be reasonably expected to have a material adverse effect on the Company and its subsidiaries, taken as a whole, except

as described in the SEC Documents.

Section 4.23. The Company and its subsidiaries,

taken as a whole, possess all certificates, authorizations and permits issued by the appropriate federal, state or foreign regulatory

authorities necessary to conduct their respective businesses, except where the failure to obtain such certificates, authorization and

permits would not, individually or in the aggregate, be reasonably expected to have a material adverse effect on the Company and its subsidiaries,

taken as a whole, and neither the Company nor any of its subsidiaries has received any notice of proceedings relating to the revocation

or modification of any such certificate, authorization or permit which, singly or in the aggregate, if the subject of an unfavorable decision,

ruling or finding, would have a material adverse effect on the Company and its subsidiaries, taken as a whole, except as described in

the SEC Documents.

Section 4.24. The Company and its subsidiaries

on a consolidated basis maintain a system of internal accounting controls sufficient to provide reasonable assurance that (i) transactions

are executed in accordance with management’s general or specific authorizations, (ii) transactions are recorded as necessary to

permit preparation of financial statements in conformity with generally accepted accounting principles as applied in the United States

(“GAAP”) and to maintain asset accountability, (iii) access to assets is permitted only in accordance with management’s

general or specific authorization, (iv) the recorded accountability for assets is compared with the existing assets at reasonable intervals

and appropriate action is taken with respect to any differences and (v) the interactive data in eXtensible Business Reporting Language

included in the SEC Documents fairly presents the information called for in all material respects and is prepared in accordance with the

SEC’s rules and guidelines applicable thereto.

Section 4.25. Except as described in each of the

SEC Documents, since the end of the Company’s most recent audited fiscal year, there has been (i) no material weakness in the Company’s

internal control over financial reporting (whether or not remediated) and (ii) no change in the Company’s internal control over

financial reporting that has materially and adversely affected, or is reasonably likely to materially and adversely affect, the Company’s

internal control over financial reporting.

Section 4.26. The Company and each of its subsidiaries

have filed all federal, state, local and foreign tax returns required to be filed through the date of this Agreement or have requested

extensions thereof (except where the failure to file would not, individually or in the aggregate, be reasonably expected to have a material

adverse effect on the Company and its subsidiaries, taken as a whole) and have paid all taxes required to be paid thereon (except for

cases in which the failure to file or pay would not have a material adverse effect on the Company and its subsidiaries, taken as a whole,

or, except as currently being contested in good faith and for which reserves required by GAAP have been created in the financial statements

of the Company), and no tax deficiency has been determined adversely to the Company or any of its subsidiaries which has had (nor does

the Company nor any of its subsidiaries have any notice or knowledge of any tax deficiency which could reasonably be expected to be determined

adversely to the Company or its subsidiaries and which could reasonably be expected to have) a material adverse effect on the Company

and its subsidiaries, taken as a whole.

Section 4.27. The consolidated financial statements

included in the SEC Documents, together with the related schedules and notes thereto, present fairly in all material respects the consolidated

financial position of the Company as of the dates shown and its results of operations and cash flows for the periods shown, and, except

as otherwise disclosed in the SEC Documents, such financial statements have been prepared in conformity with GAAP applied on a consistent

basis throughout the periods covered thereby except for any normal year-end adjustments in the Company’s quarterly financial statements

and except as otherwise noted therein.

Section 4.28. PricewaterhouseCoopers SA, who has

audited certain financial statements of the Company, is (i) an independent registered public accounting firm with respect to the Company

within the meaning of the Securities Act and the applicable rules and regulations thereunder adopted by the SEC and the Public

8

Company Accounting Oversight Board (United States)

and (ii) an independent statutory auditor with respect to the Company and a state regulated audit firm (société d’audit

réglementée par l’État) under the applicable provisions of the Swiss Code of Obligations, and the Swiss

Audit Oversight Act (Loi fédérale sur l’agrément et la surveillance des réviseurs) and any ordinances

promulgated thereunder, respectively.

Section 4.29. Except as described in the SEC Documents

and except as would not, individually or in the aggregate, be reasonably expected to have a material adverse effect on the Company and

its subsidiaries, taken as a whole, (i) the pre-clinical studies and clinical trials conducted by or, to the knowledge of the Company,

on behalf of or sponsored by the Company or its subsidiaries or in which the Company or its subsidiaries have participated, that are described

in the SEC Documents or the results of which are referred to in the SEC Documents, as applicable, were, and if still pending are, being

conducted in accordance with the protocols submitted to the U.S. Food and Drug Administration (the “FDA”), the Swiss

Agency for Therapeutic Products (“swissmedic”), and other applicable regulatory authorities (including, without limitation,

any foreign, federal, state or local governmental or regulatory authority performing functions similar to those performed by the FDA,

FOPH, swissethics and swissmedic) (collectively, the “Regulatory Authorities”), the applicable rules and regulations

of the Regulatory Authorities, and current Good Clinical Practices and Good Laboratory Practices, (ii) the descriptions in the SEC Documents

of the results of such studies and trials are accurate and fairly present the data derived therefrom, (iii) the Company has no knowledge

of any other studies or trials not described in the SEC Documents, the results of which call into question the results described or referred

to in the SEC Documents, (iv) the Company and its subsidiaries have operated at all times and are currently in material compliance with

all applicable statutes, rules and regulations of the Regulatory Authorities and (v) neither the Company nor any of its subsidiaries have

received any written notices, correspondence or other communications from the Regulatory Authorities or any other governmental agency

requiring or threatening the termination, modification or suspension of any pre-clinical studies or clinical trials that are described

in the SEC Documents or the results of which are referred to in the SEC Documents, other than ordinary course communications with respect

to modifications in connection with the design and implementation of such studies or trials, and, to the Company’s best knowledge,

there are no reasonable grounds for the same.

Section 4.30. Except as described in the SEC Documents

and except as would not, individually or in the aggregate, be reasonably expected to have a material adverse effect on the Company and

its subsidiaries, taken as a whole, the Company has not failed to file with the Regulatory Authorities any required filing, declaration,

listing, registration, report or submission that is a responsibility with the Company with respect to the Company’s product candidates

that are described or referred to in the SEC Documents. All such filings, declarations, listings, registrations, reports or submissions

were to the Company’s knowledge in compliance with applicable laws when filed. To the Company’s knowledge no deficiencies

regarding compliance with applicable law have been asserted by any applicable Regulatory Authority with respect to any such filings, declarations,

listings, registrations, reports or submissions.

Section 4.31. Except as described in the SEC Documents

and except as would not, individually or in the aggregate, be reasonably expected to have a material adverse effect on the Company and

its subsidiaries, taken as a whole, the Company and its subsidiaries are, and at all times have been, in compliance with all applicable

Health Care Laws. Neither the Company nor its subsidiaries has received written notice of any claim, action, suit, proceeding, hearing,

enforcement, investigation, arbitration or other action from any court or arbitrator or governmental or regulatory authority or third

party alleging that it is in violation of any Health Care Laws and, to the Company’s knowledge, no such claim, action, suit, proceeding,

hearing, enforcement, investigation, arbitration or other action is threatened. Neither the Company nor its subsidiaries, nor their respective

officers, directors, employees, contractors or agents, is a party to any corporate integrity agreements, monitoring agreements, consent

decrees, settlement orders, or similar agreements with or imposed by any governmental or regulatory authority. Additionally, neither the

Company nor any of its employees, officers, directors, contractors or agents, nor its subsidiaries or any of the subsidiary’s employees,

officers, directors, contractors or agents, has been excluded, suspended or debarred from participation in any U.S. federal health care

program (as defined in 42 U.S.C. § 1320a-7b(f)) or human clinical research or, to the knowledge of the Company, is subject to a governmental

inquiry, investigation, proceeding, or other similar action that could reasonably be expected to result in such debarment, suspension,

or exclusion. The Company and its subsidiaries have filed, obtained, maintained or submitted all material reports, documents, forms, notices,

applications, records, claims, submissions and supplements or amendments as required by the Health Care Laws, and all such reports, documents,

forms, notices, applications,

9

records, claims, submissions and supplements or amendments

were timely, complete, accurate and not misleading on the date filed in all material respects (or were corrected or supplemented by a

subsequent submission).

Section 4.32. Except as described in the SEC Documents

and except as would not, individually or in the aggregate, be reasonably expected to have a material adverse effect on the Company and

its subsidiaries, taken as a whole, (i) there has been no security breach or incident, unauthorized access or disclosure, or other compromise

of the Company and its subsidiaries’ information technology assets and equipment, computers, systems, networks, hardware, software,

websites, applications, technology, data and databases, including Personal Data (defined below), the data and information of their respective

customers and employees, and any sensitive, confidential or regulated data maintained, processed or stored by the Company and its subsidiaries

(collectively, “IT Systems and Data”); (ii) the IT Systems and Data are adequate for, and operate and perform as required

in connection with the operation of the business of the Company and its subsidiaries as currently conducted; (iii) the Company and its

subsidiaries have used commercially reasonable efforts to implement and maintain, and have implemented and maintained, commercially reasonable

information technology, information security, cyber security and data protection controls, policies and procedures, including oversight,

access controls, encryption, physical, technological and administrative safeguards and controls, and business continuity/disaster recovery

and security plans that are designed to protect against and prevent security breaches, unauthorized use or access, disablement, misappropriation,

modification, or other compromise or misuse of the IT Systems and Data, and maintain and protect their material confidential information

and the integrity, continuous operation, redundancy and security of all IT Systems and Data used in connection with the operation of the

Company’s and its subsidiaries’ businesses, which are reasonably consistent with industry standards. “Personal Data”

means (i) a natural person’s name, street address, telephone number, e-mail address, photograph, social security number or tax identification

number, driver’s license number, passport number, credit card number, bank information, or customer or account number; (ii) “personal

data” as defined by GDPR (defined below); (iii) any information which would qualify as “protected health information”

under HIPAA; and (iv) any other piece of information that (A) is regulated by an applicable privacy law, regulation or contract and (B)

allows the identification of such natural person, or his or her family, or permits the collection or analysis of any data related to an

identified person’s health or sexual orientation.

Section 4.33. Except as described in the SEC Documents

and except as would not, individually or in the aggregate, be reasonably expected to have a material adverse effect on the Company and

its subsidiaries, taken as a whole, (i) the Company and each of its subsidiaries have complied, and are presently in compliance, with

all applicable internal and external privacy policies, contractual obligations, applicable state, federal and international data privacy

and security laws and regulations, including, without limitation, HIPAA, the European Union General Data Protection Regulation (“GDPR”)

(EU 2016/679), and other statutes, judgments, orders, rules and regulations of any applicable court or arbitrator or other governmental

or regulatory authority (collectively, the “Data Security Obligations”), (ii) the Company has not received from any

applicable governmental authority any written notification of or written complaint alleging non-compliance by the Company or its subsidiaries

with any Data Security Obligation, (iii) there is no action, suit or proceeding by or before any applicable court or governmental agency,

authority or body pending or threatened in writing alleging non-compliance by the Company or its subsidiaries, (iv) to ensure compliance

with the Data Security Obligations, the Company and its subsidiaries have at all times had in place, comply with, and take appropriate

steps reasonably designed to ensure compliance in all material respects with their policies and procedures relating to data privacy and

security and the collection, storage, use, disclosure, handling and analysis of Personal Data that is subject to the Data Security Obligations

(the “Policies”) and (v) the Company and its subsidiaries have made all disclosures of its then-current Policies to

users or customers required by applicable laws and regulatory rules or requirements, and none of such disclosures made or contained in

any Policy have, to the knowledge of the Company, been inaccurate or in violation of any applicable laws and regulatory rules or requirements.

Section 4.34. The Company maintains disclosure

controls and procedures that comply with the requirements of the Exchange Act. Such disclosure controls and procedures have been designed

to ensure that material information relating to the Company is made known to the Company’s principal executive officer and principal

financial officer by others within the Company and such disclosure controls and procedures are effective at the reasonable assurance level.

Section 4.35. Other than the Placement Agents,

no Person will have, as a result of the transactions contemplated by this Agreement, any valid right, interest or claim against or upon

the Company or, to

10

the Company’s knowledge, the Investor for any

commission, fee or other compensation pursuant to any agreement, arrangement or understanding entered into by or on behalf of the Company.

Section 4.36. Neither the Company nor any of its

subsidiaries nor any Person acting on their behalf has conducted any general solicitation or general advertising (as those terms are used

in Regulation D) in connection with the offer or sale of the Securities.

Section 4.37. Neither the Company nor any of its

subsidiaries nor any Person acting on their behalf has, directly or indirectly, made any offers or sales of any Company security or solicited

any offers to buy any Company security, under circumstances that would adversely affect reliance by the Company on Section 4(a)(2) for

the exemption from the registration requirements of the Securities Act for the transactions contemplated hereby or would require registration

of the Securities under the Securities Act or cause this offering of the Securities to require approval of stockholders of the Company

for purposes of the Securities Act or any applicable stockholder approval provisions, including, without limitation, under the rules and

regulations of the NYSE.

Section 4.38. Assuming the accuracy of the Investor’s

representations and warranties set forth in ‎Section 5, the offer and sale of the

Securities by the Company to the Investor, and the issuance of the Warrant Shares upon exercise of the Warrants, is exempt from the registration

requirements of the Securities Act. The issuance and sale of the Securities by the Company to the Investor, and the issuance of the Warrant

Shares upon exercise of the Warrants, do not contravene the rules and regulations of the NYSE applicable to the Company. The Company is

in compliance with applicable NYSE continued listing requirements.

Section 4.39. The Company is not, and has never

been, an issuer identified in, or subject to, Rule 144(i)(1) of the Securities Act.

Section 4.40. The Company acknowledges and agrees

that, during the period beginning on the date of this Agreement and ending on the Closing Date, the Company will not enter into any Additional

Purchase Agreements (or any side letter) with terms and conditions that are more advantageous to the investors thereunder than the terms

and conditions set forth in this Agreement, unless such terms and conditions are also offered to the Investor. The Additional Purchase

Agreements have not been amended or modified following the date of this Agreement. In addition, no amendment shall be made to an Additional

Purchase Agreement, and no consideration shall be offered or paid to any Additional Investor to amend or consent to a waiver or modification

of any provision of any of such Additional Investor’s Additional Purchase Agreement, unless the same amendment or consideration

(other than the reimbursement of legal fees), as the case may be, also is offered to the Investor.

Section 5. Representations and Warranties

of the Investors. The Investor represents and warrants to the Company, as of the date hereof and as of the Closing Date (except to

the extent made only as of a specified date, in which case such representation and warranty is made as of such date):

Section 5.1. The Investor has been duly incorporated

or formed, as applicable, and is validly existing and in good standing (to the extent this concept applies) under the laws of its jurisdiction

of incorporation and is not in liquidation or receivership or the subject of any insolvency or bankruptcy proceedings, except to the extent

that the failure to be so qualified or be in good standing (to the extent this concept applies) would not have a material adverse effect

on the power and ability of the Investor to perform its obligations under this Agreement.

Section 5.2. This Agreement has been duly authorized,

executed and delivered by the Investor. Assuming due authorization, execution and delivery of this Agreement by the Company, this Agreement

constitutes a legal, valid and binding obligation of the Investor, enforceable against the Investor in accordance with its terms, except

as the enforcement thereof may be limited by bankruptcy, insolvency, reorganization, moratorium or other similar laws relating to or affecting

the rights and remedies of creditors or by general equitable principles.

Section 5.3. The execution and delivery by the

Investor of, and the performance by the Investor of its obligations under, this Agreement do not contravene any provision of (i) applicable

law, (ii) certificate of incorporation, bylaws or other constitutive document of the Investor, or (iii) any agreement, or other instrument

binding upon the Investor or any of its subsidiaries that is material to the Investor, or any judgment, order or decree of any governmental

body, agency, or court having jurisdiction over the Investor or any subsidiary, except

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that in the case of clauses (i) and (iii) as would

not, individually, or in the aggregate, reasonably be expected to have a material adverse effect on the power and ability of the Investor

to perform its obligations under this Agreement. No consent, approval, authorization or order of, or qualification with, any governmental

body or agency is required on behalf of the Investor for the performance by the Investor of its obligations under this Agreement, except

such as have been obtained or waived.

Section 5.4. The Securities will be acquired for

the Investor’s own account, not as nominee or agent, and not with a view to the resale or distribution of any part thereof in violation

of the Securities Act, and the Investor has no present intention of selling, granting any participation in, or otherwise distributing

the same in violation of the Securities Act without prejudice, however, to the Investor’s right at all times to sell or otherwise

dispose of all or any part of such Securities in compliance with applicable federal and state securities laws. Nothing contained herein

shall be deemed a representation or warranty by the Investor to hold the Securities for any period of time. The Investor is not a broker-dealer

registered with the SEC under the Exchange Act or an entity engaged in a business that would require it to be so registered.

Section 5.5. The Investor acknowledges that it

can bear the economic risk and complete loss of its investment in the Securities and has such knowledge and experience in financial or

business matters that it is capable of evaluating the merits and risks of the investment contemplated hereby.

Section 5.6. The Investor has had an opportunity

to receive, review and understand all information related to the Company requested by it and to ask questions of and receive answers from

the Company regarding the Company, its business and the terms and conditions of the offering of the Securities, and has had the opportunity

to conduct and complete its own independent due diligence. The Investor has received copies of the SEC Documents, which were made available

to the Investor through the SEC’s EDGAR system. Based on the information the Investor has deemed appropriate, and without reliance

upon the Placement Agents, it has independently made its own analysis and decision to enter into the Transaction Documents. The Investor

is relying exclusively on its own sources of information, investment analysis and due diligence (including professional advice it deems

appropriate) with respect to the execution, delivery and performance of the Transaction Documents, the Securities and the business, condition

(financial and otherwise), management, operations, properties and prospects of the Company, including, but not limited to, all business,

legal, regulatory, accounting, credit and tax matters. The Investor has not relied on any advice furnished by or on behalf of the Placement

Agents in connection with the transactions contemplated hereby. Neither such inquiries nor any other due diligence investigation conducted

by the Investor shall modify, limit or otherwise affect the Investor’s right to rely on the Company’s representations and

warranties contained in this Agreement or on the truth, accuracy and completeness of the SEC Documents.

Section 5.7. The Investor understands that the

Securities are “restricted securities” under the U.S. federal securities laws inasmuch as they are being acquired from the

Company in a transaction not involving a public offering and that under such laws and applicable regulations such securities may be resold

without registration under the Securities Act only in certain limited circumstances.

Section 5.8. The Investor is either an institution

that is an “accredited investor” within the meaning of Rule 501(a)(1), (a)(2), (a)(3), (a)(7), (a)(8), (a)(9), (a)(12) or

(a)(13) under the Securities Act or a “qualified institutional buyer” within the meaning of Rule 144A under the Securities

Act, and the Investor is an “institutional account” within the meaning of FINRA Rule 4512(c) and has executed and delivered

to the Company its Investor Questionnaire, which the Investor represents and warrants is true, correct and complete. The Investor is a

sophisticated institutional investor with sufficient knowledge, sophistication and experience in business, including transactions involving

private investments in public equity, to properly evaluate the risks and merits of its purchase of the Securities. The Investor has determined

based on its own independent review and such professional advice as it deems appropriate that its purchase of the Securities and participation

in the transactions contemplated by this Agreement (a) are fully consistent with its financial needs, objectives and condition, (b) comply

and are fully consistent with all investment policies, guidelines and other restrictions applicable to the Investor and (c) are a fit,

proper and suitable investment for the Investor, notwithstanding the substantial risks inherent in investing in or holding the Securities.

Section 5.9. The Investor hereby acknowledges

and agrees that it has independently evaluated the merits of its decision to purchase the Securities, and that (i) the Placement Agents

are acting solely as placement agents in connection with the execution, delivery and performance of this Agreement and are not acting

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as an underwriter or in any other capacity and are

not and shall not be construed as fiduciaries for the Investor, the Company or any other person or entity in connection with the execution,

delivery and performance of the Transaction Documents, (b) the Placement Agents have not made and will not make any representation or

warranty, whether express or implied, of any kind or character and have not provided any advice or recommendation in connection with the

execution, delivery and performance of the Transaction Documents, (c) the Placement Agents will not have any responsibility with respect

to (i) any representations, warranties or agreements made by any person or entity under or in connection with the execution, delivery

and performance of the Transaction Documents, or the execution, legality, validity or enforceability (with respect to any person) thereof,

or (ii) the business, affairs, financial condition, operations, properties or prospects of, or any other matter concerning the Company

and (d) the Placement Agents will not have any liability or obligation (including without limitation, for or with respect to any losses,

claims, damages, obligations, penalties, judgments, awards, liabilities, costs, expenses or disbursements incurred by the Investor, the

Company or any other person or entity), whether in contract, tort or otherwise, to the Investor, or to any person claiming through it,

in respect of the execution, delivery and performance of the Transaction Documents.

Section 5.10. The Investor did not learn of the

investment in the Securities as a result of any general solicitation or general advertising (as those terms are used in Regulation D).

Section 5.11. Other than the Placement Agents,

no Person will have, as a result of the transactions contemplated by this Agreement, any valid right, interest or claim against or upon

the Company for any commission, fee or other compensation pursuant to any agreement, arrangement or understanding entered into by or on

behalf of such Investor.

Section 5.12. Other than consummating the transactions

contemplated hereunder, the Investor has not, nor has any Person acting on behalf of or pursuant to any understanding with the Investor,

directly or indirectly, executed any purchases or sales, including Short Sales, of the securities of the Company during the period commencing

as of the time that the Investor was first contacted by the Company, the Placement Agents or any other Person regarding the transactions

contemplated hereby and ending on the date hereof. Notwithstanding the foregoing, in the case of the Investor that is a multi-managed

investment vehicle whereby separate portfolio managers manage separate portions of the Investor’s assets and the portfolio managers

have no direct knowledge of the investment decision made by the portfolio managers managing other portions of the Investor’s assets,

the representation set forth above shall only apply with respect to the portion of assets managed by the portfolio manager that made the

investment decision to purchase the Securities. The Investor, its Affiliates and, to the knowledge of such Investor, authorized representatives

and advisors of the Investor who are aware of the transactions contemplated hereby, maintained the confidentiality of all disclosures

made to it in connection with this transaction (including the existence and terms of this transaction). Notwithstanding the foregoing,

for avoidance of doubt, nothing contained herein shall constitute a representation or warranty, or preclude any actions, with respect

to the identification of the availability of, or securing of, available shares to borrow in order to effect Short Sales or similar transactions

in the future.

Section 6. Conditions to Closing.

Section 6.1. Conditions to the Investors’

Obligations. The obligation of the Investor to purchase Securities at the Closing is subject to the fulfillment to the Investor’s

satisfaction, on or prior to the Closing Date, of the following conditions, any of which may be waived by the Investor:

(a)   The

representations and warranties made by the Company in ‎Section 4 hereof shall be true and correct in all material

respects (except for those representations and warranties which are qualified as to materiality or by material adverse effect, in which

case such representations and warranties shall be true and correct in all respects) as of the date hereof and on the Closing Date, except

to the extent any such representation or warranty expressly speaks as of an earlier date, in which case such representation or warranty

shall be true and correct as of such earlier date. The Company shall have performed in all material respects all obligations and covenants

herein required to be performed by it on or prior to the Closing Date.

(b)   The

Company shall have obtained any and all consents, permits, approvals, registrations and waivers necessary for consummation of the purchase

and sale of the Securities and the consummation of the other transactions contemplated by the Transaction Documents, all of which shall

be in full force and effect.

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(c)

The Company shall have submitted with the NYSE a Supplemental Listing Application with respect to the Shares and the Warrant Shares.

(d)   No judgment,

writ, order, injunction, award or decree of or by any court, or judge, justice or magistrate, including any bankruptcy court or judge,

or any order of or by any governmental authority, shall have been issued, and no action or proceeding shall have been instituted by any

governmental authority, enjoining or preventing the consummation of the transactions contemplated by the Transaction Documents.

(e)   No stop

order or suspension of trading shall have been imposed by the NYSE, the SEC or any other governmental or regulatory body with respect

to public trading in the Common Shares.

Section 6.2. Conditions to Obligations of the

Company. The obligation of the Company to issue and sell the Securities at the Closing is subject to the fulfillment to the Company’s

satisfaction, on or prior to the Closing Date, of the following conditions, any of which may be waived by the Company:

(a)   The

representations and warranties made by the Investor in ‎Section 5 hereof shall be true and correct in all material

respects (except for those representations and warranties which are qualified as to materiality or material adverse effect, in which case

such representations and warranties shall be true and correct in all respects) as of the date hereof and on the Closing Date, except to

the extent any such representation or warranty expressly speaks as of an earlier date, in which case such representation or warranty shall

be true and correct as of such earlier date. The Investor shall have performed in all material respects all obligations and covenants

herein required to be performed by them on or prior to the Closing Date.

(b)   No judgment,

writ, order, injunction, award or decree of or by any court, or judge, justice or magistrate, including any bankruptcy court or judge,

or any order of or by any governmental authority, shall have been issued, and no action or proceeding shall have been instituted by any

governmental authority, enjoining or preventing the consummation of the transactions contemplated by the Transaction Documents.

(c)   The

Investor shall have provided to the Company the information set out in the Investor Questionnaire.

Section 6.3. Termination of Obligations to

Effect Closing; Effects. The obligations of the Company, on the one hand, and the Investor, on the other hand, to effect the Closing

shall terminate as follows:

(a)   Upon

the mutual written consent of the Company and Investor;

(b)   By the

Company if any of the conditions set forth in ‎Section 6.2 shall have become incapable of fulfillment, and shall

not have been waived by the Company; or

(c)   By the

Investor if any of the conditions set forth in ‎Section 6.1 shall have become incapable of fulfillment, and shall

not have been waived by the Investor.

Section 7. Covenants and Agreements of the

Company.

Section 7.1. Disclosure of Transactions.

No later than 9:00 a.m., New York City time, on October 8, 2026 (the “Disclosure Time”), the Company shall issue one

or more press releases and/or file with the SEC one or more Current Reports on Form 8-K (including all exhibits thereto, the “Disclosure

Document”) disclosing all material terms of the transactions contemplated by the Transaction Documents. By no later than 5:30

p.m., New York City time, on November 4, 2026 (the “Cleansing Time”), (i) any and all information provided to the Investor

by or on behalf of the Company on a confidential basis in connection with the PIPE Transaction that as of such date and time constitutes

material non-public information within the meaning of applicable securities laws will be made public by the Company or (ii) will have

been determined by the Company to no longer be material information. Upon the Cleansing Time, the Investor will not be in possession of

any material non-public information concerning the Company disclosed to the Investor by the Company or its representatives. Upon the Cleansing

Time, the Investor shall no longer be subject to any confidentiality or similar obligations under any current agreement, whether written

or oral, with the Company or any of its officers, directors, affiliates, employees or agents, including, without limitation, the Placement

Agents. The Company understands and confirms that the Investor will rely on the

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foregoing representations in effecting securities transactions. After

the issuance or filing of the Disclosure Document, the Company shall not provide the Investor with any material non-public information

concerning the Company without the Investor's prior written consent. Notwithstanding anything in this Agreement to the contrary, the Company

shall not publicly disclose the name of the Investor or any of its Affiliates or advisers, or include the name of the Investor or any

of its Affiliates or advisers, in any press release or filing with the SEC or any regulatory agency, without the prior written consent

of the Investor, except as required by the federal securities law in connection with any registration statement contemplated by this Agreement

or to the extent such disclosure is required by law or the applicable rules or regulations of the NYSE, in which case the Company shall

allow the Investor, to the extent reasonably practicable in the circumstances, reasonable time to comment on such disclosure in advance

of such disclosure.

Section 7.2. NYSE Listing. From the date

hereof until such time as the Shares and the Warrant Shares no longer constitute Registrable Securities, the Company will use commercially

reasonable efforts to continue the listing and trading of its Common Shares on the NYSE and, in accordance therewith, will use commercially

reasonable efforts to comply in all respects with the Company’s reporting, filing and other obligations under the NYSE listing standards.

Section 7.3. Removal of Legends. In connection

with any sale or disposition of the Shares or the Warrant Shares by the Investor pursuant to Rule 144 or pursuant to an effective

registration statement, if requested by the Investor, the Company shall use its reasonable efforts to request that the Company’s

transfer agent remove any restrictive legends related to the book-entry positions representing such Shares or Warrant Shares, provided

that the Company has received customary representations and other documentation reasonably acceptable to the Company in connection therewith.

Subject to receipt by the Company of customary representations and other documentation (which shall not include a legal opinion) reasonably

acceptable to the Company in connection therewith, upon the earliest of such time as the Shares and Warrant Shares (a) have been sold

or transferred pursuant to an effective registration statement, (b) have been sold pursuant to Rule 144 or (c) are eligible for resale

under Rule 144 or any successor provision without volume or manner-of-sale restrictions and without current public information requirements,

the Company shall (i) deliver to the Company’s transfer agent instructions to remove any restrictive legends related to the

book-entry positions representing such Shares or Warrant Shares, as applicable, and (ii) cause its counsel to deliver to the Company’s

transfer agent one or more opinions to the effect that the removal of such legends in such circumstances may be effected under the Securities

Act. The Company shall be responsible for the fees of its transfer agent.

Section 7.4. Transfer Restrictions. The

Investor agrees that it will sell, transfer or otherwise dispose of the Securities and the Warrant Shares only in compliance with all

applicable state and federal securities laws.

Section 7.5. Reservation of Warrant Shares.

Until the expiration of the Warrants, the Company shall take all action necessary to have authorized and reserved the Warrant Shares (without

taking into account any limitations on exercise of the Warrants).

Section 7.6. Fees. The Company shall be

responsible for the payment of any placement agent fees, financial advisory fees or broker’s commissions (other than for Persons

engaged by the Investor) relating to or arising out of the transactions contemplated hereby, including any fees or commissions payable

to the Placement Agents.

Section 7.7. Subsequent Equity Sales. The

Company shall not, and shall use its commercially reasonable efforts to ensure that no controlled Affiliate of the Company shall, sell,

offer for sale or solicit offers to buy or otherwise negotiate in respect of any security (as defined in Section 2 of the Securities

Act) that will be integrated with the offer or sale of the Securities in a manner that would require the registration under the Securities

Act of the sale of the Securities to the Investor or cause this offering of the Securities to require approval of stockholders of the

Company for purposes of the Securities Act or any applicable stockholder approval provisions, including, without limitation, under the

rules and regulations of the NYSE. The Company shall not take any action or steps that would adversely affect reliance by the Company

on Section 4(a)(2) for the exemption from the registration requirements of the Securities Act for the transactions contemplated hereby

or require registration of the Securities under the Securities Act.

15

Section 7.8.

Confidentiality After the Date Hereof. The Investor covenants that until the earlier of the Cleansing Time and such time as all information

provided to the Investor that constitutes “material non-public information” under applicable securities laws is publicly disclosed

by the Company, the Investor will maintain the confidentiality of all disclosures made to it in connection with this transaction (including

the existence and terms of this transaction), other than to such Investor's outside attorney, accountant, auditor or investment advisor

only to the extent necessary to permit evaluation of the investment, and the performance of the necessary or required tax, accounting,

financial, legal, or administrative tasks and services and other than as may be required by law.

Section 7.9. Registration Rights and Rule 144.

(a)   The

Company shall use its reasonable best efforts to register the resale by the Investor of the Registrable Securities on a registration statement

on Form S-3 (the “Registration Statement”) no later than 30 Business Days after the Closing Date, and shall provide

the Investor with a copy of such draft Registration Statement for review not less than two Business Days before filing. The Company shall

use its reasonable best efforts to have the Registration Statement declared effective as soon as practicable, but in no event later than

five Business Days after the SEC has notified the Company that it will not review, or has completed its review, of the Registration Statement;

provided that the Company’s obligations to include the Registrable Securities in the Registration Statement are contingent

upon the Investor furnishing in writing to the Company such information regarding the Investor or its permitted assigns, the securities

of the Company held by the Investor and the intended method of disposition of the Registrable Securities (which shall be limited to non-underwritten

public offerings) as shall be reasonably requested by the Company to effect the registration of the Registrable Securities, and the Investor

shall execute such documents in connection with such registration as the Company may reasonably request that are customary of a selling

stockholder in similar situations; provided, further, that the Investor shall not in connection with the foregoing be required

to execute any lock-up or similar agreement or otherwise be subject to any contractual restriction on the ability to transfer the Registrable

Securities. Upon notification by the SEC that any Registration Statement has been declared effective by the SEC, within one Business Day

thereafter, the Company shall file a final prospectus to the extent required by Rule 424 under the Securities Act. For the avoidance of

doubt, the Registration Statement may register the securities issued and issuable (including pursuant to warrants issued) pursuant to

the Additional Purchase Agreements in addition to the Investor’s Registrable Securities (but not any other securities). The Company

shall use its reasonable best efforts to keep the Registration Statement effective (and the related prospectus current) with respect to

the Registrable Securities as long as the Investor holds Registrable Securities. Neither the Company nor any affiliate thereof shall identify

the Investor as an underwriter in any public disclosure or filing with the SEC applicable trading market without the prior written consent

of such Investor, and any Investor being deemed an underwriter by the SEC shall not relieve the Company of any obligations it has under

this Agreement; provided that if the Investor is required to be named as an underwriter and the Investor does not consent to being

so named, the Company shall be relieved of its obligations to register the Registrable Securities of the Investor.

(b)   Notwithstanding

anything to the contrary contained herein, the Company may, upon written notice to any holder of Registrable Securities included in a

Registration Statement, suspend the use of any Registration Statement, including any prospectus that forms a part of a Registration Statement,

if the Company (i) determines that it would be required to make disclosure of material information in the Registration Statement that

the Company has a bona fide business purpose for preserving as confidential, (ii) determines it must amend or supplement the Registration

Statement or the related prospectus so that such Registration Statement or prospectus shall not include an untrue statement of a material

fact or omit to state a material fact required to be stated therein or necessary to make the statements therein, in the case of the prospectus

in light of the circumstances under which they were made, not misleading or (iii) has experienced or is experiencing some other material

nonpublic event, including a pending transaction involving the Company, the disclosure of which at such time, in the good faith judgment

of the Company, would adversely affect the Company; provided, however, that in no event shall holders of Registrable Securities

be suspended from selling Registrable Securities pursuant to the Registration Statement for a period that exceeds 30 consecutive Trading

Days or 60 total Trading Days in any 365-day period. Upon disclosure of such information or the termination of the condition described

above, the Company shall provide prompt notice to holders whose Registrable Securities are included in the Registration Statement, and

shall promptly terminate any suspension of sales it has put into effect and shall take such other reasonable actions to permit registered

sales of Registrable Securities as contemplated hereby. The Investor may deliver written notice (an “Opt-Out Notice”)

to the

16

Company requesting that the Investor not receive

notices from the Company otherwise required by this ‎Section 7.9; provided, however, that the Investor may later revoke

any such Opt-Out Notice in writing. Following receipt of an Opt-Out Notice from the Investor (unless subsequently revoked), (a) the Company

shall not deliver any notices pursuant to this ‎Section 7.9 to the Investor and the Investor shall no longer be entitled to

the rights associated with any such notice and (b) each time prior to the Investor’s intended use of an effective Registration Statement,

the Investor will notify the Company in writing at least two Business Days in advance of such intended use, and if a notice of a suspension

was previously delivered (or would have been delivered but for the provisions of this ‎Section 7.9) and the related suspension

period remains in effect, the Company will so notify the Investor, within one Business Day of the Investor’s notification to the

Company, by delivering to the Investor a copy of such previous notice of a suspension, and thereafter will provide the Investor with the

related notice of the conclusion of such suspension immediately upon the conclusion thereof (which notices shall not contain any material

nonpublic information or subject the Investor to any duty of confidentiality).

(c)   With

a view to making available to the Investors the benefits of Rule 144 (or its successor rule) and any other rule or regulation of the SEC

that may at any time permit the Investor to sell Registrable Securities to the public without registration, the Company covenants and

agrees to: (i) make and keep public information available, as those terms are understood and defined in Rule 144, until the earlier of

(A) six months after such date as all of the Registrable Securities may be sold without restriction by the holders thereof pursuant to

Rule 144 or any other rule of similar effect or (B) such date as there are no longer Registrable Securities; (ii) file with the SEC in

a timely manner all reports and other documents required of the Company under the Exchange Act; and (iii) furnish electronically to each

Investor upon request, as long as the Investor owns any Registrable Securities, a written statement by the Company that it has complied

with the reporting requirements of the Securities Act.

Section 8. Indemnification.

Section 8.1. Indemnification by the Company.

The Company agrees to indemnify and hold harmless, to the fullest extent permitted by law, the Investor, the officers, directors, partners,

members and employees of the Investor, each Person who controls the Investor (within the meaning of Section 15 of the Securities Act or

Section 20 of the Exchange Act) and the officers, directors, partners, members and employees of each such controlling Person (each, an

"Investor Indemnified Party"), against any losses, claims, damages, liabilities and expenses (including reasonable attorney

fees) to which such Investor Indemnified Party may become subject under the Securities Act, the Exchange Act, any other federal or state

statutory law or regulation or otherwise, insofar as such losses, claims, damages, liabilities or expenses (or actions in respect thereof

as contemplated below) arise out of or are based in whole or in part upon (i) any breach of this Agreement or any Transaction Document

by the Company, (ii) any untrue statement or alleged untrue statement or omission or alleged omission of any material fact contained in

any Registration Statement, any preliminary prospectus or final prospectus thereto, or any amendment or supplement thereof or (iii) any

action, claim or proceeding, pending or threatened, against an Investor Indemnified Party in any capacity by any third party (including

a shareholder of the Company in a derivative capacity who is not an Affiliate of such Investor Indemnified Party) with respect to the

transactions contemplated by the Transaction Documents, and will reimburse each Investor Indemnified Party for legal and other expenses

reasonably incurred as such expenses are reasonably incurred by such Investor Indemnified Party in connection with investigating, defending,

settling, compromising or paying such loss, claim, damage, liability, expense or action; provided, however, that the Company will not

be liable in any such case to the extent that any such loss, claim, damage, liability or expense arises out of or is based upon (a) the

failure of such Investor Indemnified Party to comply with the covenants and agreements contained herein, (b) the inaccuracy of any representations

made by such Investor Indemnified Party herein, (c) an untrue statement or alleged untrue statement or omission or alleged omission so

made in conformity with information furnished by an Investor Indemnified Party in writing specifically for use in the Registration Statement

or a prospectus, (d) the use by an Investor Indemnified Party of an outdated or defective prospectus after the Company has notified such

Investor in writing that such prospectus is outdated or defective or (e) an Investor Indemnified Party’s failure to send or give

a copy of the prospectus or supplement (as then amended or supplemented), if required (and not exempted), to the persons asserting an

untrue statement or omission or alleged untrue statement or omission at or prior to the written confirmation of the sale of Registrable

Securities.

Section 8.2. Indemnification by the Investor.

The Investor agrees to indemnify and hold harmless, to the fullest extent permitted by law, the Company, the officers, directors, partners,

members and

17

employees of the Company, each Person who controls

the Company (within the meaning of Section 15 of the Securities Act or Section 20 of the Exchange Act) and the officers, directors, partners,

members and employees of each such controlling Person (each, a “Company Indemnified Party”), against any losses, claims,

damages, liabilities and expenses (including reasonable attorney fees), to which such Company Indemnified Party may become subject under

the Securities Act, the Exchange Act, or any other federal or state statutory law or regulation, insofar as such losses, claims, damages,

liabilities or expenses (or actions in respect thereof as contemplated below) arise out of or are based in whole or in part on any untrue

statement or alleged untrue statement or omission or alleged omission of any material fact relating to the Investor contained in any Registration

Statement, any preliminary prospectus or final prospectus thereto, or any amendment or supplement thereof, and will reimburse each Company

Indemnified Party for legal and other expenses reasonably incurred as such expenses are reasonably incurred by such Company Indemnified

Party in connection with investigating, defending, settling, compromising or paying such loss, claim, damage, liability, expense or action; provided, however,

that the Investor will be liable in any such case only to the extent that such untrue statement or omission relating to the Investor is

contained in information furnished in writing by the Investor to the Company specifically for inclusion in the Registration Statement

or prospectus or amendment or supplement thereto. In no event shall the liability of the Investor be greater than the dollar amount of

the proceeds (net of all expenses paid by the Investor in connection with any claim relating to this ‎Section 8.2 and

the amount of any damages the Investor has otherwise been required to pay by reason of such untrue statement or omission) received by

the Investor upon the sale of the Registrable Securities included in such Registration Statement giving rise to such indemnification obligation.

Section 8.3. Indemnification Procedure.

Promptly after any indemnified party hereunder (the “Indemnified Party”) has received notice of any indemnifiable claim

hereunder, or the commencement of any action, suit or proceeding by a third Person, which the Indemnified Party believes in good faith

is an indemnifiable claim under this Agreement, the Indemnified Party shall give the indemnitor hereunder (the “Indemnifying

Party”) written notice of such claim or the commencement of such action, suit or proceeding, but failure to so notify the Indemnifying

Party will not relieve the Indemnifying Party from any liability it may have to such Indemnified Party hereunder except to the extent

that the Indemnifying Party is materially prejudiced by such failure. Such notice shall state the nature and the basis of such claim to

the extent then known. The Indemnifying Party shall have the right to defend and settle, at its own expense and by its own counsel who

shall be reasonably acceptable to the Indemnified Party, any such matter as long as the Indemnifying Party pursues the same diligently

and in good faith. If the Indemnifying Party undertakes to defend or settle, it shall promptly notify the Indemnified Party of its intention

to do so, and the Indemnified Party shall cooperate with the Indemnifying Party and its counsel in all commercially reasonable respects

in the defense thereof and the settlement thereof. Such cooperation shall include, but shall not be limited to, furnishing the Indemnifying

Party with any books, records and other information reasonably requested by the Indemnifying Party and in the Indemnified Party’s

possession or control. Such cooperation of the Indemnified Party shall be at the cost of the Indemnifying Party. After the Indemnifying

Party has notified the Indemnified Party of its intention to undertake to defend or settle any such asserted liability, and for so long

as the Indemnifying Party diligently pursues such defense, the Indemnifying Party shall not be liable for any additional legal expenses

incurred by the Indemnified Party in connection with any defense or settlement of such asserted liability; provided, however,

that the Indemnified Party shall be entitled (a) at its expense, to participate in the defense of such asserted liability and the

negotiations of the settlement thereof and (b) if (i) the Indemnifying Party has failed to assume the defense or employ counsel reasonably

acceptable to the Indemnified Party or (ii) the defendants in any such action include both the Indemnified Party and the Indemnifying

Party and counsel to the Indemnified Party shall have concluded that there may be reasonable defenses available to the Indemnified Party

that are different from or in addition to those available to the Indemnifying Party or if the interests of the Indemnified Party reasonably

may be deemed to conflict with the interests of the Indemnifying Party, then the Indemnified Party shall have the right to select a separate

counsel and to assume such legal defense and otherwise to participate in the defense of such action, with the expenses and fees of such

separate counsel and other expenses related to such participation to be reimbursed by the Indemnifying Party as incurred. Notwithstanding

any other provision of this Agreement, the Indemnifying Party shall not settle any indemnified claim without the consent of the Indemnified

Party, unless the settlement thereof imposes no liability or obligation on, and includes a complete release from liability of, and does

not include any admission of wrongdoing or malfeasance by, the Indemnified Party.

Section 9. Miscellaneous.

18

Section 9.1.

Successors and Assigns. This Agreement may not be assigned by a party hereto without the prior written consent of the Company or the

Investor, as applicable. The provisions of this Agreement shall inure to the benefit of and be binding upon the respective permitted successors

and assigns of the parties.

Section 9.2. Counterparts; Email. This

Agreement may be executed in one or more counterparts, each of which shall be deemed an original, but all of which together shall constitute

one and the same instrument. Counterparts may be delivered via electronic mail (including PDF or any electronic signature complying with

the U.S. federal ESIGN Act of 2000, e.g., www.docusign.com) or other transmission method and any counterpart so delivered shall be deemed

to have been duly and validly delivered and be valid and effective for all purposes.

Section 9.3. Titles and Subtitles. The

titles and subtitles used in this Agreement are used for convenience only and are not to be considered in construing or interpreting this

Agreement.

Section 9.4. Notices. All notices and other

communications given or made pursuant to this Agreement shall be in writing and shall be deemed effectively given upon the earlier of

actual receipt, or (a) personal delivery to the party to be notified or (b) when sent, if sent by electronic mail during normal business

hours of the recipient, and if not sent during normal business hours, then on the recipient’s next business day. All communications

shall be sent to the respective parties at their electronic mail address or address as set forth below, or to such electronic mail address

or address as subsequently modified by written notice given in accordance with this ‎Section 9.4.

If to the Company:

ADC Therapeutics SA

c/o ADC Therapeutics America, Inc.

430 Mountain Avenue, 4th Floor

Murray Hill, New Jersey 07974

Attention: Peter Graham

Email: peter.graham@adctherapeutics.com

With a copy (which will not constitute notice) to:

Davis Polk & Wardwell LLP

450 Lexington Avenue

New York, New York 10017

Attention: Yasin Keshvargar

Email: yasin.keshvargar@davispolk.com

If to the Investor:

to the contact information set forth on the signature

page hereto.

Section 9.5. Expenses. The parties hereto

shall pay their own costs and expenses in connection herewith regardless of whether the transactions contemplated hereby are consummated.

Section 9.6. Amendments and Waivers. Any

term of this Agreement may be amended and the observance of any term of this Agreement may be waived (either generally or in a particular

instance and either retroactively or prospectively), only with the written consent of the Company and the Investor; provided that,

notwithstanding the foregoing, ‎Section 7.9 may be amended and the observance of any term of ‎Section

7.9 may be waived (either generally or in a particular instance and either retroactively or prospectively) with the written consent of

the Company and the Persons holding a majority of all securities sold in the PIPE Transaction then entitled to registration rights substantially

similar to those set forth in ‎Section 7.9. Notwithstanding anything to the contrary contained herein, no provision

of this Agreement that is for the benefit of, or grants any right, protection, exculpation or right of reliance to, any Placement Agent

or any of such Placement Agent’s Affiliates or representatives, may be amended, modified or waived without the prior written consent

of such Placement Agent.

19

Section 9.7.

Publicity. Except as set forth above, no public release or announcement concerning the transactions contemplated hereby shall be issued

by the Company or the Investor without the prior written consent of the Company (in the case of a release or announcement by the Investor)

or the Investor (in the case of a release or announcement by the Company) (which consents shall not be unreasonably withheld), except

as such release or announcement may be required by law or the applicable rules or regulations of any securities exchange or securities

market, in which case (other than with respect to any filings by the Investor required by Section 13 or Section 16 of the Exchange Act)

the Company or the Investor, as the case may be, shall allow the Investor or the Company, as applicable, to the extent reasonably practicable

in the circumstances, reasonable time to comment on such release or announcement in advance of such issuance.

Section 9.8. Severability. Any provision

of this Agreement that is prohibited or unenforceable in any jurisdiction shall, as to such jurisdiction, be ineffective to the extent

of such prohibition or unenforceability without invalidating the remaining provisions hereof but shall be interpreted as if it were written

so as to be enforceable to the maximum extent permitted by applicable law, and any such prohibition or unenforceability in any jurisdiction

shall not invalidate or render unenforceable such provision in any other jurisdiction. To the extent permitted by applicable law, the

parties hereby waive any provision of law which renders any provision hereof prohibited or unenforceable in any respect.

Section 9.9. No Third-Party Beneficiaries.

The Placement Agents shall be third-party beneficiaries of (i) the representations and warranties of the Company in ‎Section

4 hereof and the representations and warranties of the Investor in ‎Section 5 hereof and (ii) ‎Section

9.10 hereof. This Agreement is intended for the benefit of the parties hereto and their respective successors and permitted assigns and

is not for the benefit of, nor may any provision hereof be enforced by, any other Person, except as otherwise set forth in ‎Section

8 and this ‎Section 9.9.

Section 9.10. Exculpation of the Placement

Agents. Each party hereto agrees for the express benefit of the Placements Agents and their Affiliates and representatives that:

(a)   None

of the Placement Agents, their respective Affiliates or any of their representatives (i) has any duties or obligations with respect to

the transactions contemplated by the Transaction Documents, other than those specifically set forth herein or in the engagement letter,

dated as of September 29, 2026, between the Company and the Placement Agents (the “Placement Agent Engagement Letter”),

(ii) shall be liable for any improper payment made in accordance with the information provided by the Company, (iii) makes any representation

or warranty, or has any responsibilities as to the validity, accuracy, value or genuineness of any information, certificates or documentation

delivered by or on behalf of the Company pursuant to the Transaction Documents or in connection with any of the transactions contemplated

hereby and thereby or (iv) shall be liable (x) for any action taken, suffered or omitted by any of them in good faith and reasonably believed

to be authorized or within the discretion or rights or powers conferred upon it by this Agreement or any Transaction Document or (y) for

anything which any of them may do or refrain from doing in connection with the Transaction Documents, except in each case, for such party’s

own gross negligence, willful misconduct or bad faith.

(b)   The

Placement Agents, their Affiliates and their representatives shall be entitled to (i) rely on, and shall be protected in acting upon,

any certificate, instrument, notice, letter, opinion or any other document or security delivered to any of them by or on behalf of the

Company, and (ii) be indemnified by the Company for acting as the Placement Agents hereunder pursuant to the indemnification provisions

set forth in the Placement Agent Engagement Letter.

Section 9.11. Entire Agreement. The Transaction

Documents, including the signature pages and exhibits thereto, and any oral or written agreement between the Company and the Investor

regarding confidentiality matters that was entered into in connection with the transactions contemplated hereby, constitute the entire

agreement among the parties hereof with respect to the subject matter hereof and thereof and supersede all prior agreements and understandings,

both oral and written, between the parties with respect to the subject matter hereof and thereof.

20

Section 9.12.

Further Assurances. The parties shall execute and deliver all such further instruments and documents and take all such other actions

as may reasonably be required to carry out the transactions contemplated hereby and to evidence the fulfillment of the agreements herein

contained.

Section 9.13. Governing Law; Consent to Jurisdiction;

Waiver of Jury Trial. This Agreement shall be governed by, and construed in accordance with, the internal laws of the State of New

York without regard to the choice of law principles thereof (other than Sections 5-1401 and 5-1402 of the General Obligations Law). Each

of the parties hereto irrevocably submits to the exclusive jurisdiction of the courts of the State of New York located in New York County

and the United States District Court for the Southern District of New York for the purpose of any suit, action, proceeding or judgment

relating to or arising out of this Agreement and the transactions contemplated hereby. Service of process in connection with any such

suit, action or proceeding may be served on each party hereto anywhere in the world by the same methods as are specified for the giving

of notices under this Agreement. Each of the parties hereto irrevocably consents to the jurisdiction of any such court in any such suit,

action or proceeding and to the laying of venue in such court. Each party hereto irrevocably waives any objection to the laying of venue

of any such suit, action or proceeding brought in such courts and irrevocably waives any claim that any such suit, action or proceeding

brought in any such court has been brought in an inconvenient forum. EACH OF THE PARTIES HERETO WAIVES ANY RIGHT TO REQUEST A TRIAL

BY JURY IN ANY LITIGATION WITH RESPECT TO THIS AGREEMENT AND REPRESENTS THAT COUNSEL HAS BEEN CONSULTED SPECIFICALLY AS TO THIS WAIVER.

[remainder of page intentionally left blank]

21

IN WITNESS WHEREOF, the parties have executed this

Agreement or caused their duly authorized officers to execute this Agreement as of the date first above written.

ADC Therapeutics SA

By:

Name:

Ameet Mallik

Title:

Chief Executive Officer

[Signature Page to Securities Purchase Agreement]

IN WITNESS WHEREOF, the parties have executed this

Agreement or caused their duly authorized officers to execute this Agreement as of the date first above written.

[●]

By:

Name:

Title:

Number of Shares:

Number of Pre-Funded Warrants:

Notice Information:

[Signature Page to Securities Purchase Agreement]

Exhibit A

Form of Warrant

[attached]

Exhibit A

Annex A

Investor Questionnaire

This Investor Questionnaire (“Questionnaire”) must

be completed by each potential investor in connection with the offer and sale of the securities (the “Securities”)

by ADC Therapeutics SA (the “Corporation”). The Securities are being offered and sold by the Corporation without registration

under the Securities Act of 1933, as amended (the “Securities Act”), and the securities laws of certain states, in

reliance on the exemptions contained in Section 4(a)(2) of the Securities Act and in reliance on similar exemptions under applicable state

laws. The Corporation must determine that a potential investor meets certain suitability requirements before offering or selling the Securities

to such investor. The purpose of this Questionnaire is to assure the Corporation that each investor will meet the applicable suitability

requirements. The information supplied by you will be used in determining whether you meet such criteria, and reliance upon the private

offering exemptions from registration is based in part on the information herein supplied.

This Questionnaire does not constitute an offer to sell or a solicitation

of an offer to buy any security. By signing this Questionnaire, you will be authorizing the Corporation to provide a completed copy of

this Questionnaire to such parties as the Corporation deems appropriate in order to ensure that the offer and sale of the Securities will

not result in a violation of the Securities Act or the securities laws of any state and that you otherwise satisfy the suitability standards

applicable to purchasers of the Securities. All potential investors must answer all applicable questions and complete, date and sign this

Questionnaire. Please print or type your responses and attach additional sheets of paper if necessary to complete your answers to any

item.

PART A. BACKGROUND INFORMATION

Name of Beneficial Owner of the Securities:

Name of Holder: ______________________________________________________________________

Address: ______________________________________________________________________

Type of entity: _________________________

State of formation: _____________________               Approximate date of formation:

__________________

Telephone number: _______________________

Email: _______________________

Were you formed for the purpose of investing in the securities being

offered?     Yes   ☐               No   ☐

PART B. INVESTOR STATUS

QUALIFIED INSTITUTIONAL BUYER STATUS

(Please check the applicable subparagraphs):

☐ We are a “qualified institutional buyer” (as defined in Rule 144A under the Securities

Act).

OR

B. ACCREDITED INVESTOR STATUS

(Please check the applicable subparagraphs):

1. ☐  We are an “accredited

investor” (within the meaning of Rule 501(a) under the Securities Act) and have marked and initialed the appropriate box on

the following page indicating the provision under which we qualify as an “accredited investor.”

2. ☐  We are not a natural person.

Appendix I

Rule 501(a), in relevant part, states that

an “accredited investor” shall mean any person who comes within any of the below listed categories, or who the issuer reasonably

believes comes within any of the below listed categories, at the time of the sale of the securities to that person. The Investor has indicated,

by marking and initialing the appropriate box below, the provision(s) below which apply to the Investor and under which the Investor accordingly

qualifies as an “accredited investor.”

☐ Any bank, registered broker or dealer, insurance company, registered investment company, business development

company, or small business investment company;

☐ Any plan established and maintained by a state, its political subdivisions, or any agency or instrumentality

of a state or its political subdivisions for the benefit of its employees, if such plan has total assets in excess of $5,000,000;

☐ Any employee benefit plan, within the meaning of the Employee Retirement Income Security Act of 1974,

if a bank, savings and loan association, insurance company, or registered investment adviser makes the investment decisions, or if the

plan has total assets in excess of $5,000,000, or, if a self-directed plan, with investment decisions made solely by persons that are

accredited investors;

☐ Any private business development company;

☐ Any organization described in Section 501(c)(3) of the Internal Revenue Code, corporation, Massachusetts

or similar business trust, or partnership, or limited liability company, not formed for the specific purpose of acquiring the securities

offered, with total assets in excess of $5,000,000;

☐ Any director, executive officer, or general partner of the issuer of the securities being offered or sold,

or any director, executive officer, or general partner of a general partner of that issuer;

☐ Any natural person whose individual net worth, or joint net worth with that person’s spouse or spousal

equivalent, exceeds $1,000,000. For purposes of calculating a natural person’s net worth: (a) the person’s primary residence

shall not be included as an asset; (b) indebtedness that is secured by the person’s primary residence, up to the estimated fair

market value of the primary residence at the time of the sale of securities, shall not be included as a liability (except that if the

amount of such indebtedness outstanding at the time of sale of securities exceeds the amount outstanding 60 calendar days before such

time, other than as a result of the acquisition of the primary residence, the amount of such excess shall be included as a liability);

and (c) indebtedness that is secured by the person’s primary residence in excess of the estimated fair market value of the primary

residence at the time of the sale of securities shall be included as a liability;

☐ Any natural person who had an individual income in excess of $200,000 in each of the two most recent years

or joint income with that person’s spouse or spousal equivalent in excess of $300,000 in each of those years and has a reasonable

expectation of reaching the same income level in the current year;

☐ Any trust with total assets in excess of $5,000,000, not formed for the specific purpose of acquiring

the securities offered, whose purchase is directed by a sophisticated person;

☐ Any entity in which all of the equity owners are accredited investors;

☐ Any entity of a type not listed first, second, third, fourth, ninth or tenth bullets of this section,

not formed for the specific purpose of acquiring the securities offered, owning investments in excess of $5,000,000;

☐ Any natural person holding in good standing one or more professional certifications or designations or

credentials from an accredited educational institution that the Securities and Exchange Commission has designated as qualifying an individual

for accredited investor status;

☐ Any natural person who is a “knowledgeable employee” as defined in rule 3c-5(a)(4) under the

Investment Company Act of 1940 of the issuer of the securities being offered or sold where the issuer would be an

Appendix I

investment company, as defined in section

3 of such act, but for the exclusion provided by either section 3(c)(1) or section 3(c)(7) of such act;

☐ Any “family office,” as defined in rule 202(a)(11)(G)-1 under the Investment Advisers Act

of 1940, as amended, with assets under management in excess of $5,000,000, not formed to acquire the securities offered, and whose prospective

investment is directed by a person who has such knowledge and experience in financial and business matters that such family office is

capable of evaluating the merits and risks of the prospective investment; or

☐ Any “family client,” as defined in rule 202(a)(11)(G)-1 under the Investment Advisers

Act of 1940, as amended, of a family office meeting the requirements set forth above and whose prospective investment in the issuer is

directed by such family office pursuant to the requirements set forth above.

3a. Please indicate whether or not the Investor is, or is acting (directly or indirectly) on behalf of, (i)

an employee benefit plan (within the meaning of Section 3(3) of ERISA), whether or not such plan is subject to ERISA, (ii) a plan, individual

retirement account or other arrangement that is described in Section 4975(e)(1) of the Code, whether or not such plan, account or arrangement

is subject to Section 4975 of the Code, (iii) an insurance company using general account assets, if such general account assets are deemed

to include the assets of any of the foregoing types of plans, accounts or arrangements for purposes of Title I of ERISA or Section 4975

of the Code under Section 401(c)(1)(A) of ERISA or the regulations promulgated thereunder, or (iv) an entity which is deemed to hold the

assets of any of the foregoing types of plans, accounts or arrangements (each of the foregoing described in clauses (i), (ii), (iii) and

(iv) being referred to as a “Plan Investor”).

☐ Yes

☐ No

3b. If question 3a above was answered “Yes,” please indicate whether or not the Plan Investor

is subject to Title I of ERISA or Section 4975 of the Code.

☐ Yes

☐ No

3c. If question 3b above was answered “Yes,” please indicate what percentage of the Plan Investor’s

assets invested in the Company are the assets of “benefit plan investors” as defined in Section 3(42) of ERISA.

__________________________%

By:

Name:

Title:

Appendix I

EX-10.2 — EXHIBIT 10.2

EX-10.2

Filename: dp254756_ex1002.htm · Sequence: 3

Exhibit 10.2

THIS WARRANT AND THE SHARES ISSUABLE

UPON EXERCISE HEREOF HAVE NOT BEEN REGISTERED UNDER THE SECURITIES ACT OF 1933, AS AMENDED (THE “SECURITIES ACT”),

OR THE SECURITIES LAWS OF ANY STATE AND MAY NOT BE OFFERED, SOLD, PLEDGED OR OTHERWISE TRANSFERRED EXCEPT PURSUANT TO A REGISTRATION STATEMENT

RELATED THERETO THAT IS IN EFFECT UNDER THE SECURITIES ACT AND ANY APPLICABLE STATE SECURITIES LAWS OR PURSUANT TO AN EXEMPTION FROM REGISTRATION

UNDER THE SECURITIES ACT AND SUCH LAWS.

WARRANT

TO PURCHASE COMMON SHARES OF

ADC THERAPEUTICS SA

No. W-PF-[#]

October     , 2026

The undersigned, ADC Therapeutics SA, a Swiss stock

corporation (société anonyme) organized under the laws of Switzerland (together with its successors and assigns,

the “Company”), hereby grants to [INVESTOR], subject to the terms and

conditions herein, the right to subscribe for and purchase, at the Exercise Price per share, the Warrant Shares.

Section 1. Definitions. Capitalized terms

used but not otherwise defined in this Warrant shall have the following meanings:

“Affiliates” means any affiliates

(as defined in Rule 405 under the Securities Act) of the Warrantholder.

“Articles of Association” means

the Articles of Association of the Company, as may be amended, modified, supplemented or restated from time to time in accordance with

its terms and pursuant to applicable law.

“Business Day” means any day

other than Saturday, Sunday or any other day on which banking institutions in the City of New York or in Lausanne, Switzerland are closed

for business.

“Common Shares” means the Company’s

common shares, par value CHF 0.08 per share, as presently constituted under the Articles of Association, and any class and/or series of

Company capital stock for or into which such common shares may be converted or exchanged in a reorganization, recapitalization or similar

transaction.

“Effective Date” means October      ,

2026.

“Exchange” means the New York

Stock Exchange, or if the Common Shares are no longer listed on the New York Stock Exchange, the other securities exchange or market on

which the Common Shares are then being principally traded.

“Exchange Act” means the United

States Securities Exchange Act of 1934, as amended.

“Exercise Date” means, for any

given exercise of this Warrant, the date on which the conditions to such exercise as set forth in ‎Section 3(a) shall have been satisfied

at or prior to 5:00 P.M., Eastern Time, on a Business Day, including, without limitation, the receipt by the Company of the applicable

Exercise Price, it being understood that, if the conditions to such exercise are satisfied after 5:00 P.M., Eastern Time on a Business

Day or are satisfied outside of a Business Day, then the Exercise Date shall be deemed to be the next Business Day.

“Exercise Price” means CHF 0.08

per Warrant Share.

“Liquid Sale” means a Merger

Event in which the consideration received by the Company’s shareholders consists solely of cash and/or Marketable Securities.

“Marketable Securities,” in

connection with a Merger Event, means securities meeting all of the following requirements: (i) the issuer of such securities is then

subject to the reporting requirements of Section 13 or Section 15(d) of the Exchange Act and is then current in its filing of all required

reports and other information under the Securities Act and the Exchange Act; (ii) the class and series of such securities that would be

received by the Warrantholder in such Merger Event were the Warrantholder to exercise this Warrant on or prior to the closing of

such Merger Event is then traded on a national securities exchange

or over-the-counter market; and (iii) following the closing of such Merger Event, the Warrantholder would not be restricted from publicly

re-selling all of such securities that would be received by the Warrantholder in such Merger Event were the Warrantholder to exercise

this Warrant on or prior to the closing of such Merger Event, except to the extent that any such restriction (x) arises solely under federal

or state securities laws, rules or regulations, and (y) does not extend beyond six months from the closing of such Merger Event.

“Merger Event” means any of

the following: (i) a sale, lease or other transfer of all or substantially all assets of the Company, (ii) any merger or consolidation

involving the Company in which the Company is not the surviving entity or in which the outstanding shares of the Company’s capital

stock are otherwise converted into or exchanged for shares of capital stock or other equity securities or property of another entity,

or (iii) any sale by holders of the outstanding voting equity securities of the Company in a single transaction or series of related transactions

of shares constituting a majority of the outstanding combined voting power of the Company.

“Person” means an individual,

corporation, limited liability company, partnership, joint venture, association, trust, unincorporated organization or any other entity.

“Purchase Price” means USD 1.32400

multiplied by the number of Warrant Shares on the Effective Date.

“Securities Act” means the United

States Securities Act of 1933, as amended.

“Trading Day” means a day on

which the Exchange is open for trading.

“VWAP” means, for any date,

the price determined by the first of the following clauses that applies: (a) if the Common Shares are then listed or quoted on an Exchange,

the daily volume weighted average price of the Common Shares for such date (or the nearest preceding date) on such market as reported

by Bloomberg L.P. (based on a Trading Day from 9:30 a.m. (New York City time) to 4:02 p.m. (New York City time)), (b) if the Common Shares

are not then listed on an Exchange, the volume weighted average price of the Common Shares for such date (or the nearest preceding date)

on OTCQB or OTCQX as applicable, (c) if the Common Shares are not then listed or quoted for trading on OTCQB or OTCQX and if prices for

the Common Shares are then reported on The Pink Open Market (or a similar organization or agency succeeding to its functions of reporting

prices), the most recent bid price per Common Share so reported, or (d) in all other cases, the fair market value of a Common Share as

determined by the Company’s board of directors in good faith.

“Warrant” means this warrant

and any other warrants of like tenor issued in substitution or exchange for any thereof pursuant to the terms of this Warrant.

“Warrantholder” means the initial

holder of the Warrant or its registered assign.

“Warrant Shares” means initially

[NUMBER] Common Shares, and thereafter subject to adjustment as set forth herein, including

reduction for each such Common Share as to which this Warrant has been exercised hereunder.

Section 2. Term.

(a)   Term.

The right to subscribe for and purchase Common Shares as granted herein shall commence on the Effective Date and, subject to ‎Section

6(a), shall be exercisable until 4:00 P.M. (Zurich time) on the tenth anniversary of the Effective Date (such period, the “Term”).

The Warrantholder shall not be entitled to the return or refund of all, or any portion, of the Purchase Price for any reason whatsoever,

including in the event this Warrant shall not have been exercised during the Term.

(b)   Replacement

Warrant. At any time during the last 90 calendar days before the end of the Term, the Warrantholder shall have the right to request

the Company, upon the Warrantholder’s return of this Warrant, to exchange this Warrant for a new warrant for the Warrant Shares

then remaining under this Warrant, in form and substance substantially similar to this Warrant (with a subsequent ten year exercise period)

(the “Replacement Warrant”). Within ten Business Days after the receipt of such request and the physical surrender

of this Warrant to the Company, the Company shall issue and deliver the Replacement Warrant to the Warrantholder.

2

Section 3. Exercise of the Purchase Rights.

(a)   Exercise.

The purchase rights represented by this Warrant are exercisable by the Warrantholder, in whole or in part (but not in relation to any

fraction of a Common Share), at any time and from time to time, during the Term by tendering to the Company (by electronic mail in accordance

with ‎Section 11(c)) a duly completed and executed notice of exercise in the form attached as Exhibit A hereto (each, a “Notice

of Exercise”), and payment of the applicable Exercise Price for all Warrant Shares to which the Notice of Exercise relates;

provided that any exercise of the purchase rights represented by this Warrant must be for at least the lesser of (x) 50,000 Warrant

Shares and (y) all remaining Warrant Shares available for purchase under this Warrant. Once received by the Company, a Notice of Exercise

may not be revoked without the Company’s written consent.

(b)   Exercise

Price. The Warrantholder must pay the applicable Exercise Price for all Warrant Shares to which the applicable Notice of Exercise

relates, in cash and without any deductions (including for bank fees) or withholdings, on the Exercise Date via wire transfer of immediately

available funds to the bank account set out in Exhibit A hereto or to any other bank account designated by the Company to the Warrantholder

in writing from time to time, unless the cashless exercise procedure specified in ‎Section 3(g) below is specified in the applicable

Notice of Exercise.

(c)   Issuance

of Warrant Shares. The Warrant Shares to be delivered upon the exercise of Warrants shall be, at the election of the Company, existing

Common Shares held by the Company or newly issued Common Shares from the Company’s capital range (Kapitalband) or newly issued

Common Shares from the Company’s conditional share capital (bedingtes Aktienkapital). Such Warrant Shares shall be in uncertificated

form in accordance with article 973c CO as uncertificated securities (Wertrechte). Nothing in this Warrant shall be construed as

requiring the Company to hold a certain amount of Common Shares in treasury at any time.

(d)   Delivery

of Common Shares. In the event of any exercise of the rights represented by this Warrant in accordance with and subject to the terms

and conditions hereof, the Common Shares so purchased shall be delivered by the Company by causing the Company’s transfer agent

(“Transfer Agent”) to electronically transmit the Common Shares issuable upon such exercise to the Warrantholder by

crediting such Warrantholder’s account at the Transfer Agent within two Business Days of the Exercise Date (the “Delivery

Deadline”); provided that the Company shall not be in default if the Company is unable to deliver Common Shares by the

Delivery Deadline due to the relevant bank’s failure to issue, or delay in issuing, a confirmation of payment of the Exercise Price.

(e)   Surrender

and Cancellation. Except as provided in ‎Section 2(b), the Warrantholder shall not be required to physically surrender this Warrant

to the Company until the Warrantholder has purchased all of the Common Shares available hereunder and this Warrant has been exercised

in full, in which case the Warrantholder shall surrender this Warrant to the Company for cancellation within three Business Days following

the date the final Notice of Exercise is delivered to the Company. Partial exercises of this Warrant shall lower the number of Warrant

Shares available hereunder by an amount equal to the applicable number of Warrant Shares purchased. The Warrantholder and the Company

shall maintain records showing the number of Common Shares purchased and the remaining number of Common Shares available hereunder. The

Warrantholder and any assignee of the Warrantholder, by acceptance of this Warrant, acknowledge and agree that, by reason of the provisions

of this paragraph, following the purchase of a portion of the Common Shares available hereunder, the Warrant Shares (and, therefore, the

number of Common Shares available for purchase hereunder) at any given time may be less than the amount stated herein.

(f)   Limitations

on Exercise. The Warrantholder shall not have the right to exercise the rights represented by this Warrant, and the Company shall

not effect any exercise of this Warrant, to the extent that after giving effect to such exercise, such Warrantholder (together with such

Warrantholder’s Affiliates, any Persons acting as a group (as such term is used for purposes of Section 13(d) of the Exchange Act)

together with the Warrantholder or its Affiliates, and any other Persons whose beneficial ownership of Common Shares is aggregated with

the Warrantholder for purposes of Section 13(d) of the Exchange Act (such Persons, collectively, “Attribution Parties”))

would beneficially own in excess of 9.99% (the “Maximum Percentage”) of Common Shares outstanding immediately after

giving effect to such exercise. For purposes of the foregoing sentence, the aggregate number of Common Shares beneficially owned by the

Warrantholder and its Affiliates and Attribution Parties shall include the number of Common Shares issuable upon exercise of the rights

represented by this Warrant with respect to which the determination of such sentence is being made, but shall exclude Common Shares which

would be issuable upon

3

(i) exercise of the remaining, unexercised portion

of this Warrant beneficially owned by the Warrantholder or any of its Affiliates or Attribution Parties and (ii) exercise or conversion

of the unexercised or unconverted portion of any other securities of the Company beneficially owned by the Warrantholder or any of its

Affiliates or Attribution Parties (including, without limitation, any convertible notes or convertible preferred stock or warrants) subject

to a limitation on conversion or exercise analogous to the limitation contained herein. Except as set forth in the preceding sentence,

for purposes of this paragraph, beneficial ownership shall be calculated in accordance with Section 13(d) of the Exchange Act, it being

acknowledged that the Company is not representing to the Warrantholder that such calculation is in compliance with Section 13(d) of the

Exchange Act. To the extent that the limitation contained in this ‎Section 3(f) applies, the determination of whether this Warrant

is exercisable and of which portion of this Warrant is exercisable shall be in the sole discretion of the Warrantholder and the submission

of a Notice of Exercise shall be deemed to be the Warrantholder determination of whether this Warrant is exercisable and of which portion

of this Warrant is exercisable, and the Company shall have no obligation to verify or confirm the accuracy of such determination. For

purposes of this Warrant, in determining the number of outstanding Common Shares, the Warrantholder may rely on the number of outstanding

Common Shares as reflected in (i) the Company’s most recent Form 10-K or Form 10-Q or other public filing by the Company with the

SEC, as the case may be, (ii) a more recent public announcement by the Company or (iii) any other notice by the Company setting forth

the number of Common Shares outstanding. Upon the written or oral request of the Warrantholder, which request indicates that it is being

made pursuant to this Warrant, the Company shall within two Business Days confirm orally or in writing to the Warrantholder the number

of Common Shares then outstanding. Upon delivery of a written notice to the Company, the Warrantholder may from time to time increase

or decrease the Maximum Percentage to any other percentage not in excess of 19.99% as specified in such notice; provided that any such

increase in the Maximum Percentage will not be effective until the sixty-first (61st) day after such notice is delivered to the Company.  For

purposes of clarity, the Common Shares issuable pursuant to the terms of this Warrant in excess of the Maximum Percentage shall not be

deemed to be beneficially owned by the Warrantholder for any purpose including for purposes of Section 13(d) or Rule 16a-1(a)(1) of the

Exchange Act. The provisions of this paragraph shall be construed and implemented in a manner otherwise than in strict conformity with

the terms of this ‎‎Section 3(f) to correct this paragraph (or any portion hereof) which may be defective or inconsistent with

the intended beneficial ownership limitation herein contained or to make changes or supplements necessary or desirable to properly give

effect to such limitation. The limitations contained in this paragraph shall apply to a successor holder of this Warrant.

(g)   Cashless

Exercise. Notwithstanding anything to the contrary set forth herein but subject to ‎Section 3(h), this Warrant may be exercised,

in whole or in part, at such time by means of a “cashless exercise” in which the Warrantholder shall be entitled to receive

a number of Warrant Shares equal to the quotient obtained by dividing [(A-B) (X)] by (A), where:

(A) = as applicable: (i) the VWAP on

the date of the applicable Notice of Exercise if the date of such Notice of Exercise is a Trading Day and such Notice of Exercise is both

executed and delivered pursuant to ‎Section 2(a) hereof after the close of “regular trading hours” on such Trading Day

or (ii) in all other cases, the VWAP on the Trading Day immediately preceding the date of the applicable Notice of Exercise;

(B) = the Exercise Price of this Warrant,

as adjusted hereunder; and

(X) = the number of Warrant Shares that

would be issuable upon exercise of this Warrant in accordance with the terms of this Warrant if such exercise were by means of a cash

exercise rather than a cashless exercise.

If Warrant Shares are issued in such a cashless

exercise, the parties acknowledge and agree that for the purpose of Rule 144 under the Securities Act (as in effect on the Effective Date),

the holding period of the Warrant Shares being issued may be tacked on to the Warrants being exercised. The Company agrees not to take

any position contrary to this ‎Section 3(g).

(h)   Limitations

on Cashless Exercise. In addition to any other limitations pursuant to this Warrant on the exercise of the rights represented by this

Warrant, the following shall apply with respect to every cashless exercise pursuant to ‎Section 3(g): If the Company, at the time

of its receipt of an Exercise Notice electing a cashless exercise, (i) does not, or has reason to believe that it does not, have a sufficient

amount of freely distributable equity to fund the nominal value of the number of Warrant Shares that it would be required to deliver upon

such cashless

4

exercise and (ii) (1) holds Common Shares representing

more than 2.00% of its share capital registered in the commercial register at that time (the “Minimum Stock”) in treasury,

then the Company shall not be obliged (but still has the right, at its sole discretion) to deliver more than such number of Warrant Shares

to the Warrantholder as exceeds the Minimum Stock and (2) holds up to the Minimum Stock in treasury, then the Company shall not be obliged

to deliver any Warrant Shares to the Warrantholder. The respective Exercise Notice shall be deemed to be null and void to the extent the

Warrantholder receives fewer Warrant Shares pursuant to this ‎Section 3(h) than such Exercise Notice relates to. Nothing in this ‎Section

3(h) shall prevent the Warrantholder from duly exercising the rights represented by this Warrant with payment of the Exercise Price in

cash.

Section 4. No Rights as Shareholder.

Without limitation of any provision hereof, the Warrantholder agrees that this Warrant does not entitle the Warrantholder to any voting

rights or other rights as a shareholder of the Company prior to the delivery of any Common Shares to the Warrantholder upon exercise of

any of the purchase rights set forth in this Warrant.

Section 5. Warrantholder Registry. The

Company shall maintain a registry showing the name and address of the registered holder of this Warrant. The Warrantholder’s initial

address, for purposes of such registry, is set forth in ‎Section 11(c) below. The Warrantholder may change such address by giving

written notice of such changed address to the Company.

Section 6. Adjustments and Other Events.

The Exercise Price and the number of Common Shares purchasable hereunder are subject to adjustment from time to time, as follows; provided

that no single event shall cause an adjustment or distribution under more than one subsection of this ‎Section 6 so as to result in

duplication.

(a)   Merger

Event. If, during the Term, a Merger Event that is a Liquid Sale occurs with respect to the Company, the Warrantholder shall be deemed

to have exercised the then-remaining purchase rights represented by this Warrant in full (without regard for ‎‎Section 3(f)) immediately

prior to the closing of such Liquid Sale, with the applicable Exercise Price to be withheld by the Company from the proceeds to which

the Warrantholder would otherwise be entitled in connection with such Liquid Sale. If, during the Term, a Merger Event that is not a Liquid

Sale occurs with respect to the Company, the Company shall cause the successor or surviving entity to assume this Warrant and the obligations

of the Company hereunder on the closing of such Merger Event (with such appropriate adjustment to accommodate any changes in the jurisdiction

of incorporation), and thereafter this Warrant shall represent the right to purchase the same number and type of securities or other property

as the Warrantholder would have received in consideration for the Common Shares issuable hereunder had it exercised this Warrant in full

(without regard for ‎‎Section 3(f)) as of immediately prior to such closing, at an aggregate Exercise Price no greater than the

aggregate Exercise Price in effect as of immediately prior to such closing, and subject to further adjustment from time to time in accordance

with the provisions of this Warrant. The provisions of this ‎Section 6(a) shall similarly apply to successive Merger Events.

(b)   Reclassification

of Shares. Except for Merger Events subject to ‎Section 6(a), if the Company at any time shall, by combination, reclassification,

exchange or subdivision of securities or otherwise, change any of the securities as to which purchase rights under this Warrant exist

into the same or a different number of securities of any other class or classes of securities, this Warrant shall thereafter represent

the right to acquire such number and kind of securities as would have been issuable as the result of such change with respect to the securities

which were subject to the purchase rights under this Warrant immediately prior to such combination, reclassification, exchange, subdivision

or other change. The provisions of this ‎Section 6(b) shall similarly apply to successive combination, reclassification, exchange,

subdivision or other change.

(c)   Subdivision

or Combination of Shares. If the Company at any time shall combine or subdivide its Common Shares, (i) in the case of a subdivision,

the Exercise Price shall be proportionately decreased and the number of shares for which this Warrant is exercisable shall be proportionately

increased, or (ii) in the case of a combination, the Exercise Price shall be proportionately increased and the number of shares for which

this Warrant is exercisable shall be proportionately decreased.

(d)   Dividends.

If the Company at any time while this Warrant is outstanding and unexpired shall:

(i)   pay

a dividend with respect to the Common Shares payable in additional Common Shares, then the Exercise Price shall be adjusted, from and

after the date of determination of shareholders

5

entitled to receive such dividend, to that

price determined by multiplying the Exercise Price in effect immediately prior to such date of determination by a fraction (A) the numerator

of which shall be the total number of Common Shares outstanding immediately prior to such dividend or distribution, and (B) the denominator

of which shall be the total number of Common Shares outstanding immediately after such dividend or distribution, and the number of Common

Shares for which this Warrant is exercisable shall be proportionately increased; or

(ii)   make

any other dividend or distribution on or with respect to Common Shares, except any dividend or distribution specifically provided for

in any other clause of this ‎Section 6, then, in each such case, provision shall be made by the Company such that the Warrantholder

shall receive a proportionate share of any such dividend or distribution as though it were the holder of the Common Shares (or other capital

stock for which the Common Shares is convertible) as of the record date fixed for the determination of the shareholders of the Company

entitled to receive such dividend or distribution without regard for ‎Section 3(f) (a “Dividend Compensation Payment”).

(e)   Limitations

on Adjustments. Notwithstanding anything to the contrary in this ‎Section 6, (i) all calculations under this ‎Section 6 shall

be made to the nearest one-hundredth (1/100th) of a cent or to the nearest one-tenth (l/10th) of a share, as the case may be,

(ii) no adjustment in the Exercise Price shall be made if the amount of such adjustment would be less than $0.01, (iii) no adjustment

in the number of Common Shares into which this Warrant is exercisable shall be made if the amount of such adjustment would be less than

one (1) Common Share, and (iv) if an adjustment in Exercise Price would reduce the Exercise Price to an amount below the then-applicable

par value of the Common Shares, then such adjustment in the Exercise Price shall reduce the Exercise Price to such par value of the Common

Shares.

Section 7. Transfers. Subject to compliance

with applicable federal and state securities laws, this Warrant and all rights hereunder are transferable, in whole or in part, without

charge to the holder hereof (except for transfer taxes) by executing an assignment declaration in wet ink in the form attached as Exhibit

B hereto (the “Transfer Notice”) and the payment to the Company of all transfer taxes and other governmental charges

imposed on such transfer. Until the Company receives a copy of such duly signed Transfer Notice and, if applicable, such transfer taxes

and other governmental charges, the Company may treat the registered owner hereof as the owner for all purposes. Upon receipt of a copy

of such duly signed Transfer Notice and, if applicable, such transfer taxes and other governmental charges, the Company shall update its

registry of warrantholders.

Section 8. Tax Matters.

(a)   Withholding.

The Company and its paying agent shall be entitled to deduct and withhold taxes on any Dividend Compensation Payment, or any other amount

distributed or deemed distributed, to the extent required by applicable law. To the extent that any such amounts are so deducted or withheld

and remitted to the applicable governmental authority, such deducted or withheld amounts shall be treated for all purposes of this Warrant

as having been paid to the Person in respect of which such deduction or withholding was made. In the event the Company previously remitted

any such amounts to a governmental authority on account of taxes required to be deducted or withheld in respect of any Dividend Compensation

Payment, the Company shall be entitled (i) to offset any such amounts against any amounts otherwise payable in respect of such Warrant,

any Common Shares otherwise required to be issued upon the exercise of such Warrant or any amounts otherwise payable in respect of Common

Shares received upon the exercise of such Warrant, or (ii) to require the Person in respect of whom such deduction or withholding

was made to reimburse the Company for such amounts (and such Person shall promptly so reimburse the Company upon demand). The Company

shall provide a receipt or other evidence of payment of any taxes deducted or withheld reasonably acceptable to the Warrantholder within

30 days after making any deduction or withholding of such taxes and shall collaborate with and provide to the Warrantholder all documentation

necessary to obtain a refund of such tax amounts deducted and withheld.

(b)   Transfer

and Stamp Taxes. Each party shall bear and pay any transfer, stamp, issue, registration, documentary, sales, use, or similar taxes

or obligations imposed on such party with respect to any amounts payable in connection with this Warrant.

Section 9. Certain Representations and Agreements

of the Company.

6

The Company represents, covenants and agrees:

(a)   This

Warrant is, and any Warrant issued in substitution for or replacement of this Warrant shall be, upon issuance, duly authorized and validly

issued.

(b)   All

Warrant Shares issuable upon the exercise of this Warrant pursuant to the terms hereof will be, upon issuance, validly issued, fully paid

and non-assessable. The Company has allocated and reserved, and for so long as this Warrant is outstanding the Company will continue to

reserve, the Company’s capital range under article 4a or the Company’s conditional share capital under article 4c of the Articles

of Association in such an amount as is necessary to deliver such number of Common Shares as are required to settle the exercise in full

of this Warrant.

(c)   The

Company shall take all such actions as may be necessary to ensure that all Warrant Shares are issued without violation by the Company

of any applicable law or governmental regulation or any requirements of any securities exchange upon which the Warrant Shares will be

listed upon their issuance.

(d)   The

board of directors of the Company will, as long as any Warrants are outstanding, not make any proposal to the general meeting of shareholders

of the Company regarding the amendment or modification of any provision of the Articles of Association in any manner that would materially

and adversely affect the powers, preferences or relative participating, optional or other special rights of the Common Shares in a manner

which would disproportionately and adversely affect the rights of the Warrantholder.

Section 10. Certain Representations and Agreements

of the Warrantholder.

The Warrantholder represents, covenants

and agrees:

(a)   This

Warrant is, and the Common Shares issued upon exercise of this Warrant will be, acquired for the Warrantholder’s own account, not

as nominee or agent, and not with a view to the resale or distribution of any part thereof in violation of the Securities Act.

(b)   The

Warrantholder is an institution that is an “accredited investor” within the meaning of Rule 501(a)(1), (a)(2), (a)(3), (a)(7),

(a)(8), (a)(9), (a)(12) or (a)(13) under the Securities Act or a “qualified institutional buyer” within the meaning of Rule

144A under the Securities Act.

(c)   No

public market exists for the Warrants, and such market may never develop.

Section 11. Miscellaneous.

(a)   Severability.

In the event any one or more of the provisions of this Warrant shall for any reason be held invalid, illegal or unenforceable, the remaining

provisions of this Warrant shall be unimpaired, and the invalid, illegal or unenforceable provision shall be replaced by a mutually acceptable

valid, legal and enforceable provision, which comes closest to the intention of the parties underlying the invalid, illegal or unenforceable

provision.

(b)   Successors

and Assigns. This Warrant and the rights evidenced hereby shall inure to the benefit of and be binding upon the Company and the Warrantholder

and their respective successors and permitted assigns (subject to ‎Section 6 with respect to the Warrantholder); provided that

the Company shall not assign its obligations under this Warrant except in connection with a Merger Event as provided in ‎Section 6(a).

(c)   Notices.

Except as otherwise provided herein, any notice, demand, request, consent, approval, declaration, service of process or other communication

that is required, contemplated, or permitted under this Warrant or with respect to the subject matter hereof shall be in writing, and

shall be deemed to have been validly served, given, delivered, and received: (i) for personal delivery, upon personal delivery to the

party to be notified, or (ii) for email, upon the earlier of (x) confirmation of receipt (other than automatically generated confirmations

of receipt), (y) if sent during normal business hours of the recipient, upon delivery and (z) if sent after normal business hours of the

recipient, then on the next Business Day, and shall be addressed to the party to be notified as follows: (i) if to the Warrantholder:

[●], or to such other address as each party may designate for itself by like notice.

(d)   Entire

Agreement; Amendments. This Warrant constitutes the entire agreement and understanding of the parties hereto in respect of the subject

matter hereof, and supersedes and replaces in their entirety any prior

7

proposals, term sheets, letters, negotiations or

other documents or agreements, whether written or oral, with respect to the subject matter hereof. None of the terms of this Warrant may

be amended except by an instrument executed by each of the parties hereto.

(e)   No

Waiver. No omission or delay by the Warrantholder at any time to enforce any right or remedy reserved to it, or to require performance

of any of the terms, covenants or provisions hereof by the Company at any time designated, shall be a waiver of any such right or remedy

to which the Warrantholder is entitled, nor shall it in any way affect the right of the Warrantholder to enforce such provisions thereafter

during the term of this Warrant.

(f)   Governing

Law, Consent to Jurisdiction and Venue. This Warrant and any claim, controversy or dispute arising out of or related to this Warrant,

any of the transactions contemplated hereby, the relationship of the Parties hereunder, or the interpretation and enforcement of the rights

and duties of the Parties, whether arising in contract, tort or otherwise, shall be governed by and construed in accordance with the substantive

laws of Switzerland, without giving effect to any choice of law or conflict of law provision or rule that would cause the application

of the laws of any jurisdiction other than Switzerland. The exclusive place of jurisdiction for any dispute, claim or controversy arising

under, out of or in connection with or related to this Warrant (or subsequent amendments thereof), including, without limitation, disputes,

claims or controversies regarding its existence, validity, interpretation, performance, breach or termination, shall be the city of Lausanne,

Switzerland.

(g)   Counterparts.

This Warrant and any amendments, waivers, consents or supplements hereto may be executed in any number of counterparts (including by facsimile

or electronic delivery (PDF), and by different parties hereto in separate counterparts, each of which when so delivered shall be deemed

an original, but all of which counterparts shall constitute but one and the same instrument.

(h)   Legends.

To the extent required by applicable laws, this Warrant and the Common Shares issuable upon the exercise of this Warrant (and the securities

issuable, directly or indirectly, upon conversion of such Common Shares, if any) may be imprinted with a restricted securities legend

in substantially the following form:

THIS SECURITY HAS NOT BEEN REGISTERED UNDER

THE SECURITIES ACT OF 1933, AS AMENDED (THE “SECURITIES ACT”), OR THE SECURITIES LAWS OF ANY STATE AND MAY NOT BE OFFERED,

SOLD, PLEDGED OR OTHERWISE TRANSFERRED EXCEPT PURSUANT TO A REGISTRATION STATEMENT RELATED THERETO THAT IS IN EFFECT UNDER THE SECURITIES

ACT AND ANY APPLICABLE STATE SECURITIES LAWS OR PURSUANT TO AN EXEMPTION FROM REGISTRATION UNDER THE SECURITIES ACT AND SUCH LAWS.

[Remainder of Page Intentionally Left Blank]

8

IN WITNESS WHEREOF, the Company has duly executed this Warrant.

Dated: October      , 2026.

ADC THERAPEUTICS SA

By:

Name:

Title:

9

Dated: October    , 2026.

Agreed and Acknowledged:

[INVESTOR]

By:

By:

Name:

Title:

10

EXHIBIT A

FORM OF EXERCISE NOTICE

(To be executed by the registered holder hereof)

Reference is made to (i) the attached Warrant to

Purchase Common Shares of ADC Therapeutics SA No. W-PF-_____ (the “Warrant”) and (ii) if applicable, article 4(c) of

the articles of association of the Company.

The undersigned registered owner of the Warrant

hereby irrevocably exercises the right to purchase represented by the Warrant for, and hereby purchases thereunder, ______ Common Shares

(such number of Common Shares, the “Exercise Number”), of ADC THERAPEUTICS SA (the “Company”), as

provided for therein in accordance with ‎Section 3 and the other terms and conditions of the Warrant, as well as the articles of association

of the Company. All capitalized terms used but not defined in this exercise notice shall have the meanings ascribed thereto in the Warrant.

Following this exercise, the Warrant Shares shall be reduced by the Exercise Number.

Payment shall take the form of (check applicable

box):

[__] in cash to the following

ADC Therapeutics SA bank account:

Account number:

381032793732

Active ACH Blocks/Filters on file:

Yes

Routing number ACH/EFT:

021200339

Routing number DOM. WIRES:

026009593

SWIFT Code INTL WIRES:

BOFAUS3N (U.S DOMESTIC) BOFAUS6S (FOREIGN CURRENCY)

Account name:

ADC THERAPEUTICS SA

Account Address:

BIOPOLE ROUTE DE LA CORNICHE 3 B, EPALINGES 1066

Or

[__] the cancellation of such

number of Warrant Shares as is necessary, in accordance with the formula set forth in subsection 3(g), to exercise this Warrant with respect

to the maximum number of Warrant Shares purchasable pursuant to the cashless exercise procedure set forth in subsection 3(g).

Please issue the Common Shares in the name of the

undersigned and to the following address:

Issue to: ____________________________

Address: ____________________________

Email Address: ____________________________

DTC Details (if applicable): ____________________________

Dated:

Name of Holder

Signature

Address

11

EXHIBIT B

TRANSFER NOTICE

(To transfer or assign the enclosed Warrant execute this form and supply

required information. Do not use this form to purchase shares.)

The enclosed Warrant and all rights evidenced thereby are hereby transferred

and assigned to:

Name of Transferee:

Address of Transferee:

Name of Transferor:

Signature of Transferor:

Dated:

Accepted:

Name of Transferee:

Signature of Transferee:

Dated:

NOTE: The name of the transferor must correspond

with the name as it appears on the face of the Warrant. The signature(s) of the individual(s) signing this Transfer Notice on behalf

of the transferor must be made in wet ink. Officers of corporations and those acting in a fiduciary or other representative capacity

should file proper evidence of authority to assign the enclosed Warrant.

12

EX-10.3 — EXHIBIT 10.3

EX-10.3

Filename: dp254756_ex1003.htm · Sequence: 4

Exhibit 10.3

SECOND AMENDMENT TO LOAN AGREEMENT

AND GUARANTY AND FIRST AMENDMENT TO FEE LETTER

THIS SECOND AMENDMENT TO LOAN AGREEMENT

AND GUARANTY AND FIRST AMENDMENT TO FEE LETTER (this “Amendment”) is entered into as of October 7, 2026 among ADC

THERAPEUTICS SA, a company formed under the laws of Switzerland (the “Borrower”), each of the Borrower’s Subsidiaries

party hereto, the Lenders party hereto and BLUE OWL OPPORTUNISTIC LENDING MASTER FUND I, L.P. (formerly known as Owl Rock Opportunistic

Master Fund I, L.P.), a New York limited partnership, in its capacity as administrative agent and collateral agent for itself and the

Lenders (in such capacity, the “Agent”).

WITNESSETH:

WHEREAS, the

Borrower, each of the Borrower’s Subsidiaries party thereto from time to time, the Agent and the Lenders party thereto from time

to time are parties to that certain Loan Agreement and Guaranty, dated as of August 15, 2022 (as amended by that certain First Amendment

to Loan Agreement and Guaranty dated as of January 16, 2024 and as further amended, restated, amended and restated, supplemented or otherwise

modified from time to time prior to the date hereof, the “Existing Loan Agreement” and as amended by this Amendment,

the “Loan Agreement”; unless otherwise defined herein, all capitalized terms used herein that are defined in the Loan

Agreement shall have the meanings given such terms in the Loan Agreement);

WHEREAS, the

Borrower, the Agent and each of the Lenders is party to that certain Fee Letter, dated August 15, 2022 (as amended, restated, amended

and restated, supplemented or otherwise modified from time to time prior to the date hereof, the “Existing Fee Letter”

and as amended by this Amendment, the “Fee Letter”);

WHEREAS,

on or prior to the Second Amendment Effective Date (as defined below), the Borrower will prepay a portion of outstanding principal amount

of the Term Loans, together with all accrued and unpaid interest with respect thereto, any Yield Protection Premium (if applicable), the

Exit Fee (as defined in the Fee Letter after giving effect to this Amendment), any SOFR funding breakage costs in accordance with Section

2.7 of the Loan Agreement and all other fees and amounts owing under the Loan Documents at such time, such that immediately following

such prepayment, the aggregate principal amount of the Term Loans outstanding under the Loan Agreement shall be $50,000,000 (the “Second

Amendment Prepayment”); provided, for the avoidance of doubt, the Borrower’s regularly scheduled amortization payment

on September 30, 2026 shall be deemed part of the Second Amendment Prepayment for all purposes hereunder, under the Fee Letter and under

the Loan Agreement notwithstanding being made prior to the Second Amendment Effective Date including with respect to payment of the Exit

Fee;

WHEREAS, in

anticipation of the Second Amendment Prepayment, the Borrower has requested that the Agent and the Lenders make, and, subject to the terms

and conditions of this Amendment, the Agent and the Lenders party hereto (constituting all of the Lenders as of the date hereof) have

agreed to make, certain other amendments to the Existing Loan Agreement and the Existing Fee Letter as more fully set forth herein.

NOW THEREFORE,

in consideration of the premises contained herein, and for good and valuable consideration, the receipt and sufficiency of which are hereby

acknowledged, the parties hereto, intending to be legally bound, hereby agree as follows:

SECTION 1.  Amendments to Existing Loan Agreement.

Subject

to the occurrence of the Second Amendment Effective Date and in reliance upon the representations, warranties, covenants and agreements

contained in this Amendment, the parties hereto hereby agree as follows:

1.1       Section

1 of the Existing Loan Agreement is hereby amended by inserting the following defined terms in the appropriate alphabetical location:

“Second

Amendment” means that certain Second Amendment to Loan Agreement and Guaranty and First Amendment to Fee Letter, dated as of October

7, 2026, by and among the Borrower, the other Loan Parties, the Agent and the Lenders.

“Second

Amendment Effective Date” has the meaning specified in the Second Amendment.

1.2       Section

1 of the Existing Loan Agreement is hereby amended by amending and restating the following defined terms in their entirety to read as

follows:

“Fee

Letter” means the Fee Letter, dated the date of this Agreement, among the Borrower, the Lenders party thereto and the Agent, as

amended by the Second Amendment, and as further amended, restated, amended and restated, supplemented or otherwise modified from time

to time.

“Permitted

Borrower Reorganization” means a transaction or series of substantially concurrent transactions, the purpose of which is to result

in the Borrower being either (x) redomiciled as a Delaware corporation or (y) being merged with or into a Delaware corporation (that is

a shell entity formed for the purposes of such transaction), with such Delaware corporation being the surviving entity, in a transaction

that does not constitute a Change in Control, in each case of clauses (x) and (y), including any transaction or series of transactions

effecting the transfer of assets, liabilities and contracts of the Borrower to one or more new or existing wholly owned direct or indirect

Swiss or U.S. subsidiaries of the Borrower, each of which subsidiary shall become a Loan Party if Collateral should be transferred to

it prior to or substantially concurrently with such transfer; provided that (i) with respect to a transaction described in clause (y)

above, such Delaware corporation shall have expressly assumed all Obligations as the “Borrower” under this Agreement and the

other Loan Documents, pursuant to documentation in the form agreed between the Borrower and the Agent prior to the First Amendment Effective

Date, (ii) to the extent such transaction or series of transactions would constitute a “Merger Event” as defined in the Warrants,

or in which Section 7(b) of the Warrants would apply, such transaction or series of transactions shall provide for the exchange of any

outstanding Warrants of the Borrower at such time for warrants to acquire common stock of such Delaware corporation on terms no less favorable

to the holder thereof than under the Warrants, (iii) no Default or Event of

2

Default shall have occurred and be

continuing, or would result from such transaction(s), (iv) each of the representations and warranties of the Loan Parties set forth in

Section 5 of this Agreement (except that the date “December 31, 2021” in Section 5.4 shall be deemed to be “December

31, 2025” and the Borrower shall be permitted to be a Delaware corporation) and in the other Loan Documents shall be true and correct

in all material respects (or, if such representation or warranty is already qualified as to materiality or Material Adverse Effect, in

all respects) with the same effect as though made on and as of the date of such transaction(s), except to the extent such representations

and warranties expressly relate to an earlier date, (v) the Agent shall have received the documents described in Section 4.1(e), (f)

and (g) of the Loan Agreement for each new Loan Party formed or organized for the purposes of the Permitted Borrower Reorganization,

to the extent applicable in the new Loan Party's jurisdiction (or, to the extent certified versions of the documents described in Section

4.1(e) of the Loan Agreement are not available, then final forms of such documents, with certified versions to be delivered to the Agent

promptly upon the same becoming available) and Section 4.1(k) for the Borrower or the new Borrower, as applicable, (vi) the Collateral

immediately after giving effect to such transaction(s) is substantially the same as the Collateral immediately prior to giving effect

to such transaction(s), and the Lien and security interest of Agent in the Collateral is not impaired as a result of such transaction(s),

and the Loan Parties shall take all actions reasonably requested by the Agent in connection with granting and/or perfecting the Liens

and security interest of the Agent in the Collateral (including, without limitation, with respect to any Swiss Intellectual Property

transferred in connection with such transaction(s), prior or contemporaneous filing of new or amended security interest filings with

the Swiss Federal Institute of Intellectual Property), (vii) the Borrower has received advice from a nationally recognized tax advisor,

and, solely with respect to any Swiss taxes, Swiss tax rulings confirming, that (A) such transaction(s) should not result in a deemed

exchange of the Term Loan for U.S. federal income tax purposes, (B) such transaction(s) should qualify as a reorganization within the

meaning of Section 368(a) of the Code for U.S. federal income tax purposes in which no gain would be recognized by the holders of the

Warrants or the holders of the Common Shares, assuming that (x) the shareholders described in Treasury Regulations Section 1.367(b)-3(c)(1)

make the election described in Treasury Regulations Section 1.367(b)-3(c)(3), (y) the shareholders who are treated as holding their Common

Shares in a passive foreign investment company (within the meaning of Section 1297 of the Code) make a QEF election with respect to their

Common Shares and (z) the currently applicable U.S. federal income tax rules governing holding warrants in a passive foreign investment

company (within the meaning of Section 1297 of the Code) do not change in a manner that would reasonably be expected to cause any Lender

to recognize gain in the reorganization as a result of holding the Warrants and (C) such transaction(s) do not otherwise result in (x)

adverse income tax consequences in Switzerland for the Lenders, the holders of the Warrants or the holders of the Common Shares and/or

(y) Swiss withholding tax consequences for the Borrower (or otherwise) which are adverse to the Lenders, the holders of the Warrants

or the holders of the Common Shares, (viii) the Borrower, as promptly as reasonably possible and in any event in a timely manner, shall

provide to each Lender such information necessary for each such Lender to make the election described in Treasury Regulations Section

1.367(b)-3(c)(3) and a QEF election with respect to its Common Shares, (ix) all earnings and profits amount as defined

3

in Treasury Regulations Section

1.367(b)-2(d) is zero, (x) at least 10 Business Days prior to the anticipated effective date of such Permitted Borrower Reorganization,

the Agent shall have received a certificate, in form and substance reasonably satisfactory to the Required Lenders, signed by an Authorized

Officer of the Borrower and certifying that all the conditions set forth in this definition of “Permitted Borrower Reorganization”

(other than clauses (viii) through (x)) shall be satisfied as of the date of such transaction(s), (xi) to the extent such transactions

or series of transactions would lead to the transfer of assets of the Borrower which are subject to Liens and security interests created

in favor of the Agent and/or the Lenders pursuant to the Loan Documents to a wholly owned direct or indirect subsidiary of the Borrower,

the relevant parties hereto undertake to amend or restate the relevant Loan Documents to reflect such transfer of such assets to maintain

such Liens and security interests and (xii) upon the occurrence of the Permitted Borrower Reorganization and the Borrower ceasing to be

a taxable Person for Swiss withholding Tax purposes, automatically, and without the action of any Agent, any Loan Party or Lender, this

Agreement shall be amended as set forth in Exhibit A to the First Amendment.

1.3       Section

1 of the Existing Loan Agreement is hereby amended by deleting the definition of “Principal Payment Date”.

1.4       Notwithstanding

anything in the Existing Loan Agreement or any other Loan Document to the contrary, from and after the Second Amendment Effective Date

no scheduled installment or amortization payment of principal of the Term Loans shall be due or payable prior to the Term Loan Maturity

Date, and each reference in the Loan Agreement and the other Loan Documents to “Principal Payment Date” is hereby deleted;

provided, that, for the avoidance of doubt, nothing in this Amendment shall restrict (i) the Agent’s or the Lenders’ right

to accelerate the maturity of the Obligations in accordance with terms of the Loan Agreement or any other Loan Document or (ii) any voluntary

prepayments allowed, or mandatory prepayments required, in accordance with the terms of the Loan Agreement and the other Loan Documents.

1.5       Section

2.2(e)(iii) of the Existing Loan Agreement is hereby amended and restated in its entirety to read as follows:

“(iii) The Borrower shall

pay to the Agent for the account of each Lender on the earlier of the Term Loan Maturity Date and the date of the acceleration of the

Secured Obligations hereunder, all outstanding Secured Obligations in full (together with the Exit Fee, accrued and unpaid interest, and

any other accrued and unpaid charges thereon and all other obligations due and payable by the Borrower under this Agreement).”

1.6       Section

7.14 of the Existing Loan Agreement is hereby amended and restated in its entirety to read as follows:

“Minimum Liquidity. At all

times prior to the Second Amendment Effective Date, the Loan Parties and their Subsidiaries shall maintain Qualified Cash of no less

than $60,000,000 plus the Qualified Cash A/P Amount. For the avoidance of doubt, on and after the Second Amendment Effective Date,

no compliance with this Section 7.14 shall be required. The Borrower shall provide Agent evidence of compliance with this Section 7.14

in each Compliance Certificate delivered for periods ending prior to the Second

4

Amendment Effective Date, and

upon request of the Agent or the Required Lenders, in form and substance reasonably acceptable to the Required Lenders and supporting

documentation reasonably requested by the Agent or the Required Lenders (which supporting documentation may include bank statements upon

the Agent’s or the Required Lenders’ request).”

1.7       Schedule

7.23 of the Existing Loan Agreement is hereby amended and restated in its entirety in the form attached hereto as Schedule 7.23.

1.8       Exhibit

E to the Existing Loan Agreement is hereby amended and restated in its entirety in the form attached hereto as Exhibit E.

SECTION 2.  Amendment to Existing Fee Letter.

Subject to the

occurrence of the Second Amendment Effective Date and in reliance upon the representations, warranties, covenants and agreements contained

in this Amendment, the parties hereto hereby agree that paragraph (d) of the Existing Fee Letter is hereby amended and restated as set

forth on Schedule FL hereto.

SECTION 3. Conditions

Precedent. The effectiveness of this Amendment is subject to satisfaction of each of the following conditions precedent (the date

on which all such conditions precedent have been so satisfied or waived in writing by the Agent and the Lenders shall be the “Second

Amendment Effective Date”):

3.1       Executed

Amendment. Agent shall have received counterparts of this Amendment duly executed by the Borrower, the other Loan Parties and each

of the Lenders.

3.2       Second

Amendment Prepayment. (i) Borrower shall have made the Second Amendment Prepayment in accordance with Section 2.6 of the Loan Agreement,

and (ii) after giving effect to the Second Amendment Prepayment, the outstanding principal amount of the Term Loans shall be $50,000,000;

provided that, for the avoidance of doubt, the Exit Fee payable with respect to the Second Amendment Prepayment shall be determined in

accordance with the Fee Letter as amended by this Amendment.

3.3       Absence

of Defaults. No Default or Event of Default shall have occurred and be continuing as of the date of the Second Amendment and immediately

prior to giving effect to this Amendment, or immediately after giving effect to this Amendment.

3.4       Representations

and Warranties. The representations and warranties set forth in Section 4 of this Amendment shall be true and correct as of

the date of the Second Amendment and the Second Amendment Effective Date, respectively;

3.5       Fees

and Expenses. The Borrower shall have paid all reasonable and documented out-of-pocket fees, costs and expenses due and payable to

the Agent and each Lender and reimbursement of Agent’s and each Lender’s current expenses reimbursable pursuant to Section

11.12 of the Loan Agreement, including all reasonable and documented out-of-pocket expenses of the Agent and the Lenders incurred in

connection with this Amendment (including the Agent’s

5

and the Lenders’ legal fees and expenses reimbursable

pursuant to Section 11.12 of the Loan Agreement); and

3.6       Outside

Date. The Second Amendment Effective Date shall have occurred no later than October 31, 2026, or such later date as the Agent and

the Lenders shall agree in writing in their respective sole discretion (the “Outside Date”).

SECTION 4.  Representations and Warranties.

In order to

induce the Agent and the Lenders to enter into this Amendment, each of the Borrower and the other Loan Parties hereby represent and warrants

to the Agent and the Lenders that:

4.1       Accuracy

of Representations and Warranties. Each of the representations and warranties of the Loan Parties set forth in Section 5 of the Loan

Agreement (except that the date “December 31, 2021” in Section 5.4 shall be deemed to be “December 31, 2025”)

and in the other Loan Documents are true and correct in all material respects (or, if such representation or warranty is already qualified

as to materiality or Material Adverse Effect, in all respects) with the same effect as though made on and as of the date hereof, except

to the extent such representations and warranties expressly relate to an earlier date; provided that the applicable representation

and warranties set forth in Section 5 of the Loan Agreement shall be qualified so as to exclude each of the relevant matters disclosed

to the Agent and Lenders party hereto prior to the Second Amendment Effective Date.

4.2       No

Conflicts. Each Loan Party’s execution, delivery and performance of this Amendment (i) have been duly authorized by all necessary

corporate action of such Loan Party, (ii) will not result in the creation or imposition of any Lien upon the Collateral, other than Permitted

Liens and the Liens created by the Loan Agreement and the other Loan Documents, (iii) do not violate any provisions of such Loan Party’s

constitutional documents, trust deeds, or other Organizational Documents (as applicable), bylaws or other equivalent governing document,

or any law, regulation, order, injunction, judgment, decree or writ to which such Loan Party is subject, and (iv) do not violate any

material contract or agreement, including any Material Agreements, or require any material consent or approval of any other Person which

has not already been obtained. The individual or individuals executing this Amendment are duly authorized to do so.

4.3       Enforceability.

This Amendment constitute a legal, valid and binding obligation of each Loan Party party hereto, enforceable against each such Loan Party

in accordance with its terms, except as the enforcement hereof may be limited by insolvency, bankruptcy, reorganization, moratorium or

other similar applicable laws affecting creditors rights generally or by general equitable principles (whether considered in a proceeding

in equity or at law).

4.4       Passive

Foreign Investment Company. The Borrower, together with its consolidated subsidiaries, was not a passive foreign investment company

(within the meaning of Section 1297 of the Code) for the year ended December 31, 2025.

4.5       Tax

Treatment. The Borrower agrees (i) to consult with the Lenders before performing any reporting of the US tax consequences of the Amendment

(e.g., on Form 8937 or otherwise), and shall cooperate with the Lenders on such reporting, and (ii) that the Amendment

6

shall not result in (x) any adverse income tax consequences in Switzerland

for the Lenders and/or (y) Swiss withholding tax consequences for the Borrower (or otherwise) which are adverse to the Lenders.

SECTION 5.  Miscellaneous.

5.1       Confirmation

and Effect. The provisions of the Loan Agreement (as amended by this Amendment) shall remain in full force and effect in accordance

with its terms following the effectiveness of this Amendment, and this Amendment shall not constitute a waiver of any provision of the

Loan Agreement or any other Loan Document. Each reference in the Loan Agreement to “this Agreement”, “hereunder”,

“hereof’, “herein”, or words of like import shall mean and be a reference to the Loan Agreement as amended hereby,

and each reference to the Loan Agreement in any other document, instrument or agreement executed and/or delivered in connection with the

Loan Agreement shall mean and be a reference to the Loan Agreement as amended hereby.

5.2       Ratification

and Affirmation of Loan Parties. Each Loan Party hereby ratifies and reaffirms (i) the Secured Obligations under and as defined in

the Loan Agreement and all of the covenants, duties, indemnities, indebtedness and liabilities under the Loan Agreement and the other

Loan Documents to which it is a party and (ii) the Liens and security interests created in favor of the Agent and/or the Lenders pursuant

to the Loan Documents, which Liens and security interests are in full force and effect and shall continue in full force and effect during

the term of the Loan Agreement, and shall continue to secure the Secured Obligations under and as defined in the Loan Agreement, in each

case, on and subject to the terms and conditions set forth in the Loan Agreement and the other Loan Documents, and nothing herein shall

be construed to deem any such Secured Obligations paid, or to release or terminate any Lien or security interest given to secure any such

Secured Obligations or any guarantee thereof (the security interests created in favor of the Agent and/or the Lenders pursuant to the

Loan Documents governed by Swiss law, the “Swiss Security Interests”). Each Loan Party confirms that, assuming all UCC financing

statements naming the Agent, as secured party, and a Loan Party, as debtor, filed in connection with the Loan Agreement have not been

terminated or amended, such UCC financing statements remain effective and authorized by the Loan Parties to continue perfection of the

security interests in the Collateral.

5.3       Release.

By its execution of the Amendment and in consideration of the agreements contained herein and other accommodations granted to the Loan

Parties hereunder, each Loan Party, on behalf of itself and each of its Subsidiaries, and its or their successors, assigns and agents,

hereby expressly forever waives, releases and discharges any and all claims (including cross-claims, counterclaims, and rights of setoff

and recoupment), causes of action (whether direct or derivative in nature), demands, suits, costs, expenses and damages (collectively,

the “Claims”) any of them may, as a result of actions or inactions occurring on or prior to the Second Amendment Effective

Date, have or allege to have as of the date of this Amendment or at any time thereafter (and all defenses that may arise out of any of

the foregoing) of any nature, description, or kind whatsoever, based in whole or in part on facts, whether actual, contingent or otherwise,

now known, unknown, or subsequently discovered, whether arising in law, at equity or otherwise, against the Agent or any Lender, any of

their respective Affiliates or any of the agents, principals, managers, managing members, members, stockholders, “controlling persons”

(within the meaning of the United States federal securities laws), directors, officers, employees, attorneys, consultants,

7

advisors, trusts, trustors,

beneficiaries, heirs, executors and administrators of each of the foregoing (collectively, the “Released Parties”) arising

out of, or relating to, this Amendment, the Loan Agreement, the other Loan Documents and any or all of the actions and transactions contemplated

hereby or thereby on or prior to the Second Amendment Effective Date, including any actual or alleged performance or non-performance of

any of the Released Parties hereunder or under the Loan Documents, except in each case, to the extent of liabilities resulting solely

from the gross negligence or willful misconduct of any Released Party (as determined by a court of competent jurisdiction in a final and

non-appealable decision). Subject to the immediately preceding sentence, each Loan Party hereby acknowledges that the agreements in this

Section 5.3 are intended to be in full satisfaction of all or any alleged injuries or damages arising in connection with the Claims.

In entering into this Amendment, each Loan Party expressly disclaims any reliance on any representations, acts, or omissions by any of

the Released Parties and hereby agrees and acknowledges that the validity and effectiveness of the releases set forth above does not depend

in any way on any such representation, acts and/or omissions or the accuracy, completeness, or validity thereof. The provisions of this

Section 5.3 shall survive the termination of the Loan Documents and the payment in full in of all Secured Obligations of the Loan

Parties under or in respect of the Loan Agreement and other Loan Documents and all other amounts owing thereunder.

5.4       Parties

in Interest. All of the terms and provisions of this Amendment shall bind and inure to the benefit of the parties hereto and their

respective successors and assigns.

5.5       Counterparts;

Electronic Execution. This Amendment and any amendments, waivers, consents or supplements hereto may be executed in any number of

counterparts, and by different parties hereto in separate counterparts, each of which when so delivered shall be deemed an original, but

all of which counterparts shall constitute but one and the same instrument. Delivery of an executed counterpart of a signature page of

this Amendment by facsimile, portable document format (.pdf) or other electronic transmission will be as effective as delivery of a manually

executed counterpart hereof. The words “execution,” “execute”, “signed,” “signature,”

and words of like import in or related to any document to be signed in connection with this Amendment and the transactions contemplated

hereby (including without limitation assignments, assumptions, amendments, waivers and consents) shall be deemed to include electronic

signatures, the electronic matching of assignment terms and contract formations on electronic platforms approved by Agent, or the keeping

of records in electronic form, each of which shall be of the same legal effect, validity or enforceability as a manually executed signature

or the use of a paper-based recordkeeping system, as the case may be, to the extent and as provided for in any applicable law, including

the Federal Electronic Signatures in Global and National Commerce Act, the New York State Electronic Signatures and Records Act, or any

other similar state laws based on the Uniform Electronic Transactions Act and/or any other similar, applicable laws of the jurisdiction

of formation, organization or incorporation, as applicable, of any Loan Party.

5.6       Entire

Agreement. This Amendment and the other Loan Documents constitute the entire agreement and understanding of the parties hereto in

respect of the subject matter hereof and thereof, and supersede and replace in their entirety any prior proposals, term sheets, non-disclosure

or confidentiality agreements, letters, negotiations or other documents or agreements, whether written or oral, with respect to the subject

matter hereof or thereof. EACH LOAN PARTY ACKNOWLEDGES, REPRESENTS AND WARRANTS THAT IN DECIDING TO ENTER

8

INTO THIS AMENDMENT AND THE OTHER

LOAN DOCUMENTS OR IN TAKING OR NOT TAKING ANY ACTION HEREUNDER OR THEREUNDER, IT HAS NOT RELIED, AND WILL NOT RELY, ON ANY STATEMENT,

REPRESENTATION, WARRANTY, COVENANT, AGREEMENT OR UNDERSTANDING, WHETHER WRITTEN OR ORAL, OF OR WITH AGENT OR THE LENDERS OTHER THAN THOSE

EXPRESSLY SET FORTH IN THIS AMENDMENT AND THE OTHER LOAN DOCUMENTS.

5.7       Severability.

Whenever possible, each provision of this Amendment shall be interpreted in such manner as to be effective and valid under applicable

law, but if any provision of this Amendment shall be prohibited by or invalid under such law, such provision shall be ineffective only

to the extent and duration of such prohibition or invalidity, without invalidating the remainder of such provision or the remaining provisions

of this Amendment.

5.8       Loan

Document. The parties hereto acknowledge and agree that this Amendment is a Loan Document.

5.9       Governing

Law; Consent to Jurisdiction and Venue; Mutual Waiver of Jury Trial. SUBJECT TO THE LAST SENTENCE OF THIS SECTION 5.9, THIS

AMENDMENT AND THE RIGHTS AND OBLIGATIONS OF THE PARTIES HEREUNDER SHALL BE GOVERNED BY, AND CONSTRUED AND ENFORCED IN ACCORDANCE WITH,

THE LAW OF THE STATE OF NEW YORK, EXCLUDING CONFLICT OF LAWS PRINCIPLES THAT WOULD CAUSE THE APPLICATION OF LAWS OF ANY OTHER JURISDICTION.

Sections 11.10 and 11.11 of the Loan Agreement are hereby incorporated by reference as if fully set forth in this Amendment mutatis

mutandis. To the extent that this Amendment relates to the confirmation of the Swiss Security Interests, the relevant parts of this

Amendment shall in all respects, including, without limitation, all the rights in rem aspects be governed by and construed in accordance

with the substantive laws of Switzerland and be submitted to the exclusive jurisdiction of the courts of the city of Zurich, Switzerland

in accordance with the terms of the relevant Loan Document governed by Swiss law.

5.10       Termination.

If the Second Amendment Effective Date shall not have occurred by the Outside Date, this Amendment shall automatically terminate and be

of no further force or effect; provided that (i) Sections 5.3, 5.6, 5.7 and 5.9 of this Amendment shall

survive such termination and (ii) no party hereto shall have any liability to any other party hereunder solely by reason of such termination.

[Signature Pages Follow]

9

IN WITNESS WHEREOF, the parties hereto

have caused this Amendment to be duly executed by their respective authorized officers on the date and year first above written.

BORROWER:

ADC THERAPEUTICS SA

By:

/s/ Ameet Mallik

Name:

Ameet Mallik

Title:

CEO

GUARANTORS:

ADC THERAPEUTICS (UK) LIMITED

By:

/s/ Peter Graham

Name:

Peter Graham

Title:

Director

ADC THERAPEUTICS AMERICA, INC.

By:

/s/ Ameet Mallik

Name:

Ameet Mallik

Title:

CEO

[Signature Page to Second Amendment to Loan Agreement and

First Amendment to Fee Letter]

AGENT:

BLUE OWL OPPORTUNISTIC LENDING MASTER FUND I, L.P.

By:

Blue Owl Opportunistic Lending GP, LLC

its General Partner

By:

/s/ Meenal Mehta

Name:

Meenal Mehta

Title:

Authorized Signatory

[Signature Page to Second Amendment to Loan Agreement and

First Amendment to Fee Letter]

LENDERS:

BLUE OWL OPPORTUNISTIC LENDING DL (C), L.P.

By:

Blue Owl Opportunistic Lending DL (C) GP, LLC

its General Partner

By:

Blue Owl Credit Private Fund Advisors LLC

its Sole Member

By:

/s/ Meenal Mehta

Name:

Meenal Mehta

Title:

Authorized Signatory

BLUE OWL OPPORTUNISTIC LENDING MASTER FUND I, L.P.

By:

Blue Owl Opportunistic Lending GP, LLC

its General Partner

By:

/s/ Meenal Mehta

Name:

Meenal Mehta

Title:

Authorized Signatory

[Signature Page to Second Amendment to Loan Agreement and

First Amendment to Fee Letter]

LENDERS:

OAKTREE LSL FUND HOLDINGS EURRC S.À R.L.

26A, boulevard Royal L-2449 Luxembourg

R.C.S Number: B269245

By:

/s/ Martin Eckel

Name:

Martin Eckel

Title:

Manager

[Signature Page to Second Amendment to Loan Agreement and

First Amendment to Fee Letter]

LENDERS:

OAKTREE LSL HOLDINGS EURRC S.À R.L., a private

limited liability company (société à responsabilité limitée) governed by the laws of the Grand Duchy

of Luxembourg, having its registered office at 26A, boulevard Royal, L-2449 Luxembourg, Grand Duchy of Luxembourg and registered with

the Luxembourg Trade and Companies Register (Registre de Commerce et des Sociétés, Luxembourg) under number B263341.

By:

/s/ Martin Eckel

Name:

Martin Eckel

Title:

Manager

[Signature Page to Second Amendment to Loan Agreement and

First Amendment to Fee Letter]

LENDERS:

OAKTREE SPECIALTY LENDING CORPORATION

By:

Oaktree Fund Advisors, LLC

Its:

Investment Advisor

By:

/s/ Mary Gallegly

Name:

Mary Gallegly

Title:

Managing Director

By:

/s/ Jessica Dombroff

Name:

Jessica Dombroff

Title:

Managing Director

[Signature Page to Second Amendment to Loan Agreement and

First Amendment to Fee Letter]

LENDERS:

OAKTREE AZ STRATEGIC LENDING FUND, L.P.

By:

Oaktree AZ Strategic Lending Fund GP, L.P.

Its:

General Partner

By:

Oaktree Fund GP IIA, LLC

Its:

General Partner

By:

Oaktree Fund GP II, L.P.

Its:

Managing Member

By:

/s/ Mary Gallegly

Name:

Mary Gallegly

Title:

Authorized Signatory

By:

/s/ Jessica Dombroff

Name:

Jessica Dombroff

Title:

Authorized Signatory

[Signature Page to Second Amendment to Loan Agreement and

First Amendment to Fee Letter]

LENDERS:

OAKTREE STRATEGIC CREDIT FUND

By:

Oaktree Fund Advisors, LLC

Its:

Investment Advisor

By:

/s/ Mary Gallegly

Name:

Mary Gallegly

Title:

Managing Director

By:

/s/ Jessica Dombroff

Name:

Jessica Dombroff

Title:

Managing Director

[Signature Page to Second Amendment to Loan Agreement and

First Amendment to Fee Letter]

LENDERS:

OAKTREE DIVERSIFIED INCOME FUND, INC.

By:

Oaktree Fund Advisors, LLC

Its:

Investment Advisor

By:

/s/ Mary Gallegly

Name:

Mary Gallegly

Title:

Managing Director

By:

/s/ Jessica Dombroff

Name:

Jessica Dombroff

Title:

Managing Director

[Signature Page to Second Amendment to Loan Agreement and

First Amendment to Fee Letter]

SCHEDULE 7.23

MINIMUM

U.S. ZYNLONTA SALES

Fiscal Quarter Ending

Minimum U.S. ZYNLONTA Sales

June 30, 2024

$45,450,000

September 30, 2024

$61,206,000

December 31, 2024

$61,894,568

March 31, 2025

$62,590,881

June 30, 2025

$63,295,029

September 30, 2025

$64,007,098

December 31, 2025

$65,210,993

March 31, 2026

$66,414,889

June 30, 2026

$67,719,108

September 30, 2026

$68,923,004

December 31, 2026 and each fiscal quarter ending thereafter

$65,000,000

SCHEDULE FL

Reserved.

EXHIBIT E

FORM OF COMPLIANCE CERTIFICATE

Blue Owl Opportunistic Lending Master Fund I, L.P.

399 Park Avenue, 38th Floor

NY, NY 10022 US

Attn: Matt Southworth/Admin Agent

Email: Matt.Southworth@alterdomus.com;

adminagent@blueowl.com

Reference

is made to that certain Loan Agreement and Guaranty dated as of August 15, 2022 and the Loan Documents (as defined therein) entered into

in connection with such Loan Agreement and Guaranty all as may be amended from time to time (hereinafter referred to collectively as the

“Loan Agreement”) by and among the Agent, the several banks and other financial institutions or entities from time to time

party thereto as lenders (collectively, the “Lenders”) and ADC Therapeutics SA (the “Company”) as Borrower and

each Guarantor party thereto from time to time. All capitalized terms not defined herein shall have the same meaning as defined in the

Loan Agreement.

The undersigned is

Authorized Officer of the Company, knowledgeable of all Company financial matters, and is authorized to provide certification of

information regarding the Company; hereby certifies, in such capacity, that in accordance with the terms and conditions of the Loan

Agreement, except as set forth below, each Loan Party is in compliance for the period ending _____________ of all

covenants, conditions and terms. The undersigned further certifies the attached financial statements are prepared in accordance with

GAAP (except for the absence of footnotes with respect to unaudited financial statement and subject to normal year-end adjustments)

and are consistent from one period to the next except as explained below.

Exceptions:

REPORTING REQUIREMENT

REQUIRED

CHECK IF ATTACHED

Report on Cash of the Borrower and its Subsidiaries

Monthly within 14 days

☐

Interim Financial Statements

Quarterly within 60 days

☐

Audited Financial Statements

FYE within 90 days

☐

Annual Operating Budget

Earlier of (i) FYE within 60 days OR (ii) 10 Business Days after approval by the Borrower’s board of directors

☐

ACCOUNTS

The undersigned hereby also confirms the below disclosed

accounts represent all depository accounts and securities accounts presently open in the name of each Loan Party or Subsidiary, as applicable.

Have any Deposit Accounts, Securities Accounts or Commodity

Accounts been opened since the last Compliance Certificate? YES/NO1

Are the Loan Parties in compliance

with Section 7.12 based on the below disclosed Deposit Accounts, Securities Accounts or Commodity Accounts? YES/NO

Depository

AC #

Financial

Institution

Account

Type

(Depository

/ Securities)

Last

Month

Ending

Account

Balance

Purpose

of

Account

LOAN PARTY

Name/Address:

1

2

3

4

5

6

7

LOAN PARTY/

SUBSIDIARY

Name/Address

1

2

3

4

5

6

7

MINIMUM U.S. ZYNLONTA SALES (7.23)2

[The U.S. ZYNLONTA Sales for the applicable

fiscal quarter on a trailing four fiscal quarter basis is: $        , and evidence thereof is attached to this Compliance

Certificate.]

1 If YES, indicate which accounts on the chart below

have been opened since the last Compliance Certificate.

2 Note: to be included with any quarterly compliance

certificate, starting with the fiscal quarter ending June 30, 2024.

[The 30-Day

Average Market Capitalization of the Borrower as of the last day of the applicable fiscal quarter is: $        , and evidence thereof

is attached to this Compliance Certificate.]3

Are the Loan

Parties in compliance with Section 7.23 of the Loan Agreement for the fiscal quarter covered by this Compliance Certificate? YES/NO

INSURANCE4

Have the Loan

Parties amended or entered into any new insurance policies or amended any existing insurance policies since the last quarterly Compliance

Certificate? YES/NO

If YES, have

the Loan Parties provided the Agent updated insurance certificates, policies and endorsements with respect to such new or amended policies?

YES/NO

COMMERCIAL

TORT CLAIMS5

Has any Loan

Party created, acquired or otherwise obtained any Commercial Tort Claims having a value greater than Two Hundred Fifty Thousand Dollars

($250,000 individually) since the last quarterly Compliance Certificate? YES/NO

If YES, a reasonably

detailed description of such Commercial Tort Claim(s) is attached to this Compliance Certificate.

INTELLECTUAL

PROPERTY6

Has any Loan

Party (i) created, acquired or otherwise obtained ownership of any Patent, registered Trademark, registered Copyright, registered mask

work, or any pending application for any of the foregoing, or any in-bound exclusive registered Copyright License, or (ii) applied for

any Patent (other than provisional patent applications) or the registration of any Trademark, in each case since the last quarterly Compliance

Certificate? YES/NO

If YES, a description

of such Intellectual Property is attached to this Compliance Certificate.

3 Note: Testing is not required for any fiscal

quarter in which the 30-Day Average Market Capitalization of the Borrower is at least $650,000,000 as of the last day of such fiscal quarter.

4 Note: to be included with any quarterly compliance

certificate.

5 Note: to be included with any quarterly compliance

certificate.

6 Note: to be included with any quarterly compliance

certificate and may include Material Agreements.

Disclosure

Letter7

Has any information in Schedules 1 or 1E of the Disclosure

Letter changed since the last quarterly Compliance Certificate? YES/NO

If YES, new Schedules 1 and/or 1E

(as applicable) of the Disclosure Letter are attached to this Compliance Certificate.

Security

Agreement Schedules8

Has any information in any of the Schedules to the Security

Agreement since the last quarterly Compliance Certificate? YES/NO

If YES, new applicable Schedules to the

Security Agreement are attached to this Compliance Certificate.

[Signature Page Follows]

7 Note: To be included with any quarterly Compliance

Certificate.

8 Note: To be included with any quarterly Compliance

Certificate.

Very Truly Yours,

ADC THERAPEUTICS SA

By:

Name:

Title:

EX-10.4 — EXHIBIT 10.4

EX-10.4

Filename: dp254756_ex1004.htm · Sequence: 5

Exhibit 10.4

AMENDMENT TO WARRANT TO PURCHASE

COMMON SHARES OF ADC THERAPEUTICS SA

This Amendment to the Warrant to Purchase Common

Shares of ADC Therapeutics SA (the “Amendment”), is dated October 7, 2026, and is made between ADC Therapeutics SA,

a Swiss stock corporation (société anonyme) organized under the laws of Switzerland (the “Company”),

and [W-L-1: BLUE OWL OPPORTUNISTIC LENDING MASTER FUND II, L.P.] [W-L-2: BLUE OWL OPPORTUNISTIC LENDING DL (C), L.P.] [W-L-3: OAKTREE

LSL FUND HOLDINGS EURRC S.à r.l] [W-L-4: OAKTREE STRATEGIC CREDIT FUND] [W-L-5: OAKTREE AZ STRATEGIC LENDING FUND, L.P.] [W-L-6:

OAKTREE SPECIALTY LENDING CORPORATION] [W-L-7: OAKTREE LSL HOLDINGS EURRC S.À R.L.] [W-L-8: OAKTREE DIVERSIFIED INCOME FUND, INC.]

or its registered assign (the “Warrantholder”).

WHEREAS, on August 15, 2022, the Company issued a

warrant (No. W-L-[1][2][3][4][5][6][7][8]) (the “Warrant”) to the Warrantholder providing for the right of the Warrantholder

to subscribe for and purchase, at the Exercise Price per share, the Warrant Share Number of duly authorized, validly issued, fully paid

and non-assessable Common Shares; and

WHEREAS, as of the date of this Amendment, the Warrant

Share Number is [W-L-1: 256,116] [W-L-2: 7,532] [W-L-3: 123,525] [W-L-4: 45,727] [W-L-5: 39,083] [W-L-6: 28,948] [W-L-7: 21,376] [W-L-8:

4,988] Common Shares;

WHEREAS, as of the date of this Amendment, the total

number of Common Shares issuable upon exercise of the Warrant, together with all other warrants issued to the lenders under the Loan Agreement

and Guaranty, dated August 15, 2022, between the Company, certain subsidiaries of the Company, the lenders party thereto and Blue Owl

Opportunistic Lending Master Fund I, L.P., as administrative agent and collateral agent, is 527,295 Common Shares;

WHEREAS, subject to the occurrence of the Amendment

No. 1 Effective Date (as defined below), the parties desire to amend the Warrant to amend the Exercise Price, without changing the number

of Common Shares that the Warrant represents the right to subscribe for and purchase, such that the Warrant Share Number immediately following

the Amendment No. 1 Effective Date is equal to the Warrant Share Number immediately before the Amendment No. 1 Effective Date.

NOW, THEREFORE, the parties agree as follows:

1. Amendment to the Warrant. Subject to the occurrence of the Amendment No. 1 Effective Date, in Section 1 of the Warrant, the

definitions of Exercise Price and Warrant Share Number are respectively amended and restated in their entirety as follows:

“Exercise Price” means the

lesser of (i) $1.00 per Warrant Share and (ii) the price per Common Share paid by institutional investors in the next private placement

involving Common Shares following October 7, 2026 (but in any case, no later than April 7, 2027), in each case, subject to adjustment

from time to time in accordance with the provisions of this Warrant.

“Warrant Share Number” means

[W-L-1: 256,116] [W-L-2: 7,532] [W-L-3: 123,525] [W-L-4: 45,727] [W-L-5: 39,083] [W-L-6: 28,948] [W-L-7: 21,376] [W-L-8: 4,988] Common

Shares, subject to adjustment as set forth herein, including reduction for each such Common Share as to which this Warrant has been exercised

(whether pursuant to a Cash Exercise or a Cashless Exercise) hereunder.

2. Conditions to Effectiveness. The effectiveness of this Amendment is subject to satisfaction of each of the following conditions

precedent (the date on which all such conditions precedent have been so satisfied shall be the “Amendment No. 1 Effective Date”:

a. the Warrantholder shall have received a counterpart of this Amendment duly executed by the Company; and

b. the Second Amendment Effective Date under and as defined in that certain Second Amendment to Loan Agreement and Guaranty and First

Amendment to Fee Letter, dated October 7, 2026 (the “Credit Agreement Amendment”), by and among the Company, each of

the Company’s subsidiaries party thereto, the lenders party

thereto and Blue Owl Opportunistic

Lending Master Fund I, L.P., as agent, shall have occurred and the Credit Agreement Amendment shall be in full force and

effect.

3. Tax Treatment. The Company agrees (i) to consult with the Warrantholder before performing any reporting of the US tax consequences

of the Amendment (e.g., on Form 8937 or otherwise), and shall cooperate with the Warrantholder on such reporting, and (ii) that the Amendment

shall not result in (x) any adverse income tax consequences in Switzerland for the Warrantholder and/or (y) Swiss withholding tax consequences

for the Company (or otherwise) which are adverse to the Warrantholder.

4. No Further Amendments. Except as expressly modified by this Amendment on the Amendment No. 1 Effective Date, the Warrant will

remain unmodified and in full force and effect in accordance with its terms.

5. Counterparts. This Amendment may be executed in counterparts (including electronically transmitted counterparts), each of which

will be considered an original instrument, but which, taken together, will constitute one and the same instrument.

[Signature page to follow]

IN WITNESS WHEREOF, the parties hereto have executed

and delivered, or caused this Amendment to be executed and delivered, as of the date first written above.

ADC Therapeutics SA

By:

Name:

Title:

[____]

By:

Name:

Title:

EX-10.5 — EXHIBIT 10.5

EX-10.5

Filename: dp254756_ex1005.htm · Sequence: 6

Exhibit 10.5

AMENDMENT NO. 2 TO PURCHASE AND SALE AGREEMENT

This Amendment No. 2 to Purchase

and Sale Agreement (this “Amendment”), dated as of October 7, 2026, is made and entered into by and between ADC THERAPEUTICS

SA, a Swiss société anonyme (the “Seller”), and the entities managed by Healthcare Royalty Management,

LLC listed on the signature pages hereto and on Exhibit F to the Agreement (collectively, the “Buyer”); provided that, for

purposes of this Amendment and the Amendment No. 1 Warrants, “Buyer” shall include each Person executing this Amendment in

its capacity as a Buyer or Warrantholder.

RECITALS:

WHEREAS, the Seller and the Buyer

are parties to that certain Purchase and Sale Agreement, dated as of August 25, 2021 (the “Agreement”);

WHEREAS, the Buyer has previously

paid the Closing Price and the EMA Milestone Payment, comprising an aggregate Purchase Price of $300,000,000 in total;

WHEREAS, the Seller and the Buyer

entered into that certain Amendment No. 1 to Purchase and Sale Agreement, dated as of February 18, 2026 (“Amendment No. 1”),

pursuant to which the Seller and the Buyer amended the Agreement and the Seller issued to the Buyer (or its designees) warrants to purchase

common shares of the Seller (the “Amendment No. 1 Warrants”);

WHEREAS, the Seller and the Buyer

desire to further amend the Agreement to remove the Change of Control payment added by Amendment No. 1, make conforming changes to the

Royalty Cap and Buyout Option provisions, amend the exercise price under each of the Amendment No. 1 Warrants, and add certain effectiveness

conditions and covenants, in consideration of the amendments to the Amendment No. 1 Warrants and the other agreements of the Seller set

forth herein, in each case on the terms and subject to the conditions set forth herein.

NOW, THEREFORE,

in consideration of the mutual covenants and agreements set forth herein and for good and valuable consideration, the receipt and sufficiency

of which are hereby acknowledged, the Parties agree as follows:

1.   Definitions.

Capitalized terms used but not otherwise defined in this Amendment shall have the meanings ascribed to such terms in the Agreement, as

amended. References in Section 3 to the “Company” are to the Seller in its capacity as issuer of the Amendment No. 1 Warrants.

2.   Amendments

to the Agreement.

(a)   Royalty

Cap Definition. Section 1.1 of the Agreement is hereby amended to delete the last sentence of the definition of “Royalty Cap”

in its entirety and replace it with the following sentence, which shall be the last sentence of such definition:

“For clarity, amounts actually

paid by or on behalf of the Seller to or on behalf of any Buyer Indemnified Party in respect of Losses consisting of missing, delayed

or diminished Royalty Payments (whether under Article 6 or otherwise) shall be credited towards the Royalty Cap, provided that no amount

paid (i) in respect of attorneys’ fees, costs of enforcement or other out-of-pocket costs or expenses of any Buyer Indemnified Party

or (ii) in respect of any Third Party Claim under Section 6.1(a)(iii) shall be so credited.”

(b)   Change

of Control Payment. Section 2.3(a) of the Agreement, as amended by Amendment No. 1, is hereby deleted in its entirety and replaced with

“[Reserved].” For the avoidance of doubt, from and after the Amendment No. 2 Effective Date, the closing of a Change of Control

shall not by itself require any payment, prepayment, buyout, mandatory termination of the Revenue Participation Right, or other amount

to be paid to the Buyer, unless the Seller separately elects to exercise the Buyout Option pursuant to Section 2.3(b).

In connection with any Change of

Control, the Seller shall cause the surviving or acquiring Person (if other than the Seller) to assume in writing all obligations of the

Seller under the Agreement, Amendment No. 1, this Amendment and the Amendment No. 1 Warrants, without limiting Section 9.4 of the Agreement.

The defined term “CoC Payment”

and each reference thereto in the definition of “Royalty Cap” and in Section 2.3(b) of the Agreement are hereby deleted.

(c)   Buyout

Option. Section 2.3(b) of the Agreement is hereby amended and restated in its entirety as follows:

“(b) The Seller (or its permitted successor

in interest) may elect to purchase the remainder of the Revenue Participation Right in full (the “Buyout Option”) by paying

to the Buyer an amount (the “Buyout Payment”) equal to either:

(i)   1.75

times the Purchase Price, less the aggregate amount of all Royalty Payments or other amounts expressly credited towards the Royalty Cap

pursuant to this Agreement (including, without duplication of amounts already credited towards the Royalty Cap, amounts constituting late

fees pursuant to Section 5.2(a), amounts paid to Buyer Indemnified Parties under Article 6 (other than amounts described in the proviso

to the last sentence of the definition of “Royalty Cap”) and payments received by Buyer in respect of Indemnified Taxes, but

not crediting any amounts that Buyer does not receive because they are paid to any taxing authority as withholding in respect of Indemnified

Taxes), if the Buyout Payment is made on or prior to December 31, 2029; or

(ii)   2.50

times the Purchase Price, less the aggregate amount of all Royalty Payments or other amounts expressly credited towards the Royalty Cap

pursuant to this Agreement (including, without duplication of amounts already credited towards the Royalty Cap, amounts constituting late

fees pursuant to Section 5.2(a), amounts paid to Buyer Indemnified Parties under Article 6 (other than amounts described in the proviso

to

the last sentence of the definition of “Royalty

Cap”) and payments received by Buyer in respect of Indemnified Taxes, but not crediting any amounts that Buyer does not receive

because they are paid to any taxing authority as withholding in respect of Indemnified Taxes), if the Buyout Payment is made after December

31, 2029.

Upon receipt by the Buyer of the Buyout Payment, if

any, by wire transfer of immediately available funds, no further payments of the Revenue Participation Right shall be due to the Buyer

hereunder and the Royalty Termination Date shall be deemed to have immediately and automatically occurred. For the avoidance of doubt,

if the Seller does not make the Buyout Payment, the payments of the Revenue Participation Right shall continue to be paid to the Buyer

until the Royalty Termination Date.”

(d)   Automatic

Termination. Section 8.2 of the Agreement is hereby amended by replacing “including following prepayment as provided in Section

2.3(a)” with “including following payment of the Buyout Payment as provided in Section 2.3(b)”.

(e)   Deerfield

and Subordination Agreement References. Section 1.1 of the Agreement is hereby amended by (i) deleting the definitions of “Buyout

Rate,” “Deerfield,” “Deerfield Facility Agreement,” “Deerfield Loan” and “Subordination

Agreement”; (ii) adding the following definitions in alphabetical order: “Amendment No. 2” means Amendment No. 2 to

this Agreement, dated as of October 7, 2026, between the Seller and the Buyer; and “Existing Credit Facility Agreement” means

the Senior Credit Agreement (as defined in Amendment No. 2); and (iii) in the definition of “Permitted Liens,” deleting “or

the Subordination Agreement” from clause (d); and (iv) in the definition of “Restricted Indebtedness,” amending and

restating clauses (a) and (b) and the proviso thereto in their entirety to read: “(a) Third Party Indebtedness of the Seller and

its Subsidiaries (including Indebtedness under the Existing Credit Facility Agreement and any refinancing, replacement or substitution

thereof), so long as the aggregate outstanding principal amount of all such Indebtedness (including any interest paid in kind and added

to principal) does not at any time exceed $50,000,000.” Sections 7.2(a)(ix) and 9.14 of the Agreement are hereby deleted and replaced

with “[Intentionally Omitted]”; Section 9.3 of the Agreement is hereby amended by deleting “and the Subordination Agreement”;

Section 9.4 of the Agreement is hereby amended by deleting clause (a)(i) of the second sentence thereof; and Exhibit A to the Agreement

is hereby deleted.

(f)   Exhibit

F. Exhibit F to the Agreement is hereby amended and restated in the form of Exhibit A to this Amendment. The Seller acknowledges that

(i) each of HCR Stafford Fund,  L.P. and HCR Potomac Fund, L.P. merged with and into HCRX Investments HoldCo, L.P., a Delaware limited

partnership, effective February 15, 2023, and HCRX Investments HoldCo, L.P., as the surviving entity, succeeded by operation of law to

all of the rights and obligations of HCR Stafford Fund, L.P. and HCR Potomac Fund, L.P. under the Agreement, (ii) effective April 1,

2023, all of the limited partnership interests in HCRP Overflow Fund, L.P. were acquired by HCRX Investments HoldCo, L.P. and its Affiliates,

and HCRP Overflow Fund, L.P. remains a

Buyer under the Agreement, and (iii) HCRX Holdings,

L.P., an Affiliate of the foregoing, executed Amendment No. 1 as a Buyer and Warrantholder, and each of HCRX Investments HoldCo, L.P.

and HCRP Overflow Fund, L.P., by its execution of this Amendment, ratifies and confirms Amendment No. 1 and the Amendment No. 1 Warrants;

and the Seller confirms that Amendment No. 1 was duly executed and delivered by all Parties and is binding on the Seller in accordance

with its terms.

3.   Amendment

of Warrants. Effective as of the Amendment No. 2 Effective Date, each Amendment No. 1 Warrant identified on Schedule A is hereby

separately amended as follows: (a) the definition of “Exercise Price” is amended and restated in its entirety to read as follows:

“‘Exercise Price’ means $0.10 per Warrant Share, subject to adjustment from time to time in accordance with the provisions

of this Warrant, provided that in no event shall the Exercise Price be less than the then-applicable par or nominal value of a Common

Share.”; (b) the following is added as a new Section 3(i) of each Amendment No. 1 Warrant: “Notwithstanding anything herein

to the contrary, the Company shall not effect any exercise of this Warrant, and the Warrantholder shall not have the right to exercise

any portion of this Warrant, to the extent that after giving effect to such exercise the Warrantholder, together with its Affiliates and

any other Persons whose beneficial ownership would be aggregated with the Warrantholder’s for purposes of Section 13(d) of the Securities

Exchange Act of 1934 (the “Exchange Act”), would beneficially own in excess of 4.99% of the Common Shares outstanding immediately

after giving effect to such exercise, with beneficial ownership determined in accordance with Section 13(d) of the Exchange Act and the

rules thereunder but excluding Common Shares issuable upon the exercise or conversion of the unexercised or unconverted portion of any

securities of the Company held and/or beneficially owned by such Warrantholder, together with its Affiliates and any other Persons whose

beneficial ownership would be aggregated with the Warrantholder’s for purposes of Section 13(d) of the Exchange Act, that are subject

to a limitation on conversion or exercise analogous to the limitation contained herein; provided that the Warrantholder may, upon not

less than 61 days’ prior written notice to the Company, increase such percentage to any percentage not exceeding 9.99%. The Warrantholder

shall disclose to the Company the number of Common Shares that it, together with its Affiliates and any other Persons whose beneficial

ownership would be aggregated with the Warrantholder’s for purposes of Section 13(d) of the Exchange Act, holds and/or beneficially

owns and has the right to acquire through the exercise of derivative securities and any limitations on exercise or conversion analogous

to the limitation contained herein contemporaneously or immediately prior to submitting a Notice of Exercise.”; and (c) effective

as of the Amendment No. 2 Effective Date, the restrictions on transfer of each Amendment No. 1 Warrant and of the Common Shares issuable

upon exercise thereof prior to January 1, 2028 (including the first two sentences and the last sentence of the section of each Amendment

No. 1 Warrant titled “Transfers” and the related legend) are deleted, and each Amendment No. 1 Warrant and such Common Shares

shall be transferable, in whole or in part, subject only to compliance with the Seller’s articles of association and applicable

federal and state securities law. Promptly after the Seller becomes a

Delaware corporation (the “redomiciliation”),

if requested by the Warrantholders, the Company and the Warrantholders shall amend the Amendment No. 1 Warrants to reflect such redomiciliation

and remove Section 3(h) of each Amendment No. 1 Warrant. The Seller represents that, assuming that all representations and warranties

of each Warrantholder are true and correct and all covenants and agreements of each Warrantholder have been complied with in all respects

as of the Amendment No. 2 Effective Date, all corporate, shareholder, stock exchange, securities-law and contractual approvals required

to effect the amendments contemplated by clauses (a), (b) and (c) above have been obtained or will be obtained as a condition to the Amendment

No. 2 Effective Date. Except as expressly amended by this Section 3, no other terms of the Amendment No. 1 Warrants are amended by this

Amendment. Each Buyer executing this Amendment as a Warrantholder agrees that its execution constitutes the written instrument required

to amend its respective Amendment No. 1 Warrant. The Seller and each applicable Warrantholder shall execute and deliver any further amendment,

acknowledgment or instrument reasonably requested by the Buyer to evidence or implement the foregoing.

4.   Conditions

Precedent to Effectiveness. Except for this Section 4, Section 6(a), Section 6(e) and Sections 7(c), 8 and 9, which shall be

effective as of the date hereof, this Amendment shall not become effective unless and until each of the following conditions

precedent has been satisfied or waived in writing by the Buyer, and the date on which all such conditions precedent have been so

satisfied or waived shall be the “Amendment No. 2 Effective Date”: (a) the Seller, each Buyer and each applicable

Warrantholder shall have executed and delivered this Amendment in each applicable capacity; (b) all documents, instruments and

agreements contemplated by the last sentence of Section 3 shall have been executed and delivered; (c) the Seller shall have

consummated the Qualifying Equity Raise (as defined below), and the Amendment No. 2 Effective Date shall occur concurrently with the

closing thereof in accordance with the last paragraph of this Section 4; (d) no stop order has been issued by the Securities and

Exchange Commission suspending the effectiveness of the Seller’s resale shelf registration statement relating to all shares

issuable upon exercise of the Amendment No. 1 Warrants; (e) no consents are required to the effectiveness of this Amendment under

the Seller’s Loan and Guaranty Agreement, dated as of August 15, 2022 (as amended, restated, supplemented or otherwise

modified from time to time, the “Senior Credit Agreement”), by and among the Seller, certain subsidiaries of the Seller

as guarantors, Blue Owl Opportunistic Lending Master Fund I, L.P. as administrative agent and the other secured parties party

thereto, other than those consents that have been obtained and remain in full force and effect; (f) the Seller shall have delivered

an officer’s certificate, in form and substance reasonably satisfactory to the Buyer, certifying satisfaction of the

conditions in clauses (c), (d), (e) and (h), that the representations and warranties in Section 5 are true and correct as of the

Amendment No. 2 Effective Date, that all required corporate and shareholder approvals (if any) have been obtained, and that no

default or event of default exists under the Senior Credit Agreement or any other material agreement; (g) the Seller shall have

reimbursed the Buyer for all reasonable and documented out-of-pocket costs

and expenses, including attorneys’ fees and expenses, incurred

by the Buyer in connection with the negotiation, preparation, execution and delivery of this Amendment and the transactions contemplated

hereby and invoiced at least three (3) Business Days prior to the date hereof; and (h) the Senior Credit Agreement shall have been amended,

on terms reasonably satisfactory to the Buyer, to (i) reduce the aggregate outstanding principal amount of the Term Loans (as defined

therein) to not more than $50,000,000 (whether by prepayment, cancellation, exchange or otherwise), (ii) eliminate the minimum liquidity

covenant in Section 7.14 thereof and (iii) defer all scheduled amortization of the Term Loans to the Term Loan Maturity Date (as defined

therein), such amendment shall be in full force and effect, and the Buyer shall have received a true and complete copy thereof.

For purposes of this Amendment,

“Qualifying Equity Raise” means one or more issuances by the Seller, for cash, of Common Shares and/or pre-funded warrants

to purchase Common Shares (with an exercise price not less than the nominal value thereof and without price-based anti-dilution protection),

to Persons that are not Affiliates of the Seller (existing shareholders participating on the same terms as unaffiliated investors excepted),

resulting in aggregate gross cash proceeds to the Seller of not less than $60,000,000, the closing of which occurs on or before October

31, 2026 or such later date as the Buyer may agree in writing. The Seller shall use its reasonable best efforts to consummate the Qualifying

Equity Raise. The Parties shall deliver their signatures to this Amendment into escrow with counsel to the Buyer, to be released automatically

upon the funding of the Qualifying Equity Raise and the satisfaction or waiver of the other conditions in this Section 4, and the Amendment

No. 2 Effective Date shall be the date of such release. If the Amendment No. 2 Effective Date has not occurred on or before December 31,

2026, this Amendment shall terminate and be of no further force or effect (other than this sentence and Sections 7(c), 8 and 9, which

shall survive), and the Agreement (as amended by Amendment No. 1) and the Amendment No. 1 Warrants shall continue in full force and effect

without giving effect to this Amendment.

5.   Representations

and Warranties. The Seller represents and warrants to the Buyer on the date hereof and as of the Amendment No. 2 Effective Date that:

(a) it is a société anonyme duly incorporated and validly existing under the laws of Switzerland; (b) it has all

requisite corporate power and authority to execute, deliver and perform this Amendment; (c) all board, shareholder and other corporate

action required under applicable Swiss law and the Seller’s organizational documents for the foregoing has been duly taken and

remains effective; (d) all governmental, contractual and other consents required for the execution, delivery, effectiveness and performance

of this Amendment have been obtained and remain effective or, solely with respect to actions not yet required to be completed, will be

obtained by the applicable outside date; (e) none of the execution, delivery or effectiveness of this Amendment violates or triggers

any default, event of default, mandatory prepayment, consent requirement, lien, impairment or other adverse consequence under the Senior

Credit Agreement or any other material agreement binding upon the Seller or its Affiliates; (f) the Seller has reserved out of its

capital range under Article 4a or its conditional share

capital under Article 4c of its Articles of Association Common Shares sufficient to permit the exercise in full of the Amendment No. 1

Warrants as amended hereby, and the Common Shares issued upon such exercise at the Exercise Price will be validly issued, fully paid and

non-assessable and issued in compliance with the Articles of Association and applicable law; (g) neither the execution nor delivery of

this Amendment will result in any adjustment to the exercise, conversion or purchase price of, or the number of shares issuable under,

any other outstanding warrant, option, convertible security or other right to acquire Common Shares; (h) no default or event of default

exists under the Senior Credit Agreement, and the Seller is not over-indebted at liquidation values within the meaning of Article 725b

of the Swiss Code of Obligations; and (i) all Royalty Payments and Royalty Reports due under the Agreement through the date hereof have

been paid and delivered in full in accordance with the Agreement, and the Seller has no claim of set-off, recoupment, counterclaim or

defense against the Buyer in respect of the Agreement.

6.   Continuing

Covenants. (a) The Seller will, within four Business Days after the date of this Amendment, file a Current Report on Form 8-K describing

the material terms of this Amendment, which the Seller acknowledges the Buyer may rely upon as public disclosure of all material non-public

information furnished by or on behalf of the Seller to the Buyer in connection herewith. (b) Subject to approval by the Seller’s

shareholders, the Seller shall use its best efforts to effect the redomiciliation, and shall use best efforts to take, and cause its controlled

Affiliates to take, all actions necessary or appropriate to effect the redomiciliation; provided that the foregoing shall not require

the Seller to take any action that would cause the Seller to violate applicable law or would cause a director or officer of the Seller

to violate a duty owed to the Seller or its shareholders. (c) The Seller shall not, and shall not permit any Subsidiary to, create, incur,

assume or suffer to exist any Third Party Indebtedness (including under the Senior Credit Agreement and any refinancing, replacement or

substitution thereof) if, after giving effect thereto, the aggregate outstanding principal amount of all Third Party Indebtedness of the

Seller and its Subsidiaries (including any interest paid in kind and added to principal) would exceed $50,000,000 (after giving effect

to any paydown of the Senior Credit Agreement on or before the Amendment No. 2 Effective Date). (d) The Seller hereby ratifies and reaffirms

the Back-Up Security Interest, the financing statements filed in respect thereof and the Bank Account Pledge Agreement between the Seller

and the Buyer in respect of the Lockbox Account, each of which shall continue in full force and effect and secure the obligations of the

Seller under the Agreement as amended hereby. (e) Except as required by applicable law or stock exchange rule, neither Party shall issue

any press release naming the other Party without its prior written consent. (f) If the Seller breaches Section 6(c), such breach shall

constitute an breach for purposes of Section 6.5 of the Agreement, subject to the same cure periods set forth therein, and if uncured

with such cure period, the Buyer shall be entitled, at its election, to the Non-Performance Payment in accordance with Section 6.5 of

the Agreement as if Section 6(c) of this Amendment were expressly referenced therein.

7.   Reference

to and Effect on the Agreement.

(a)   On

and after the Amendment No. 2 Effective Date, each reference in the Agreement to “this Agreement,” “hereunder,”

“hereof,” or words of like import referring to the Agreement shall mean and be a reference to the Agreement as amended by

this Amendment.

(b)   The

Agreement, as specifically amended by this Amendment, is and shall continue to be in full force and effect and is hereby in all respects

ratified and confirmed.

(c)   Except

as expressly set forth herein, nothing in this Amendment shall constitute or be deemed to constitute a waiver, release, amendment or modification

of any breach, default, event of default, claim, reporting failure, payment failure, audit right, indemnity claim, right to payment, right

to information, right to inspect or audit, right to enforce, or other right or remedy of the Buyer under the Agreement, Amendment No.

1, the Amendment No. 1 Warrants or any related transaction document, all of which are hereby expressly reserved.

(d)   The

Seller shall, at its sole cost and expense, execute and deliver such further documents, instruments, agreements, filings, certificates,

opinions and other deliverables, and take such further actions, as the Buyer may reasonably request to carry out the purposes of this

Amendment.

8.   Governing

Law. This Amendment shall be governed by, and construed in accordance with, the laws of the State

of New York without giving effect to any choice or conflict of law provision or rule that would cause the application of the laws of

any other jurisdiction. Sections 9.9 and 9.10 of the Agreement shall apply to this Amendment, mutatis mutandis.

9.   Counterparts.

This Amendment may be executed in any number of counterparts and by the Parties in separate counterparts, each of which when so executed

shall be deemed to be an original and all of which taken together shall constitute one and the same agreement. Copies of executed counterparts

transmitted by telecopy, facsimile, electronic mail, DocuSign or other similar means of electronic transmission (including “PDF”)

shall be considered original executed counterparts.

* * *

IN WITNESS WHEREOF,

the Parties have caused this Amendment to be executed and delivered by their respective representatives thereunto duly authorized as of

the date first above written.

SELLER:

ADC THERAPEUTICS SA

By:

/s/ Ameet Mallik

Name:

Ameet Mallik

Title:

CEO

BUYER AND WARRANTHOLDER:

HEALTHCARE ROYALTY PARTNERS IV, L.P.

By:

HealthCare Royalty GP IV, LLC, its General Partner

By:

HealthCare Royalty Management, LLC, its Investment Manager

By:

/s/ Clarke B. Futch

Name:

Clarke B. Futch

Title:

Authorized Signatory

BUYER AND WARRANTHOLDER:

HCRX HOLDINGS, L.P.

By:

HCRX Master GP, LLC, its General Partner

By:

/s/ Clarke B. Futch

Name:

Clarke B. Futch

Title:

Chairman & Chief Executive Officer

BUYER AND WARRANTHOLDER:

HCR CANARY FUND, L.P.

By:

HCR Canary Fund GP, LLC, its General Partner

By:

HealthCare Royalty Management, LLC, its Investment Manager

By:

/s/ Clarke B. Futch

Name:

Clarke B. Futch

Title:

Authorized Signatory

BUYER AND WARRANTHOLDER:

HCR MOLAG FUND, L.P.

By:

HCR Molag Fund GP, LLC, its General Partner

By:

HealthCare Royalty Management, LLC, its Investment Manager

By:

/s/ Clarke B. Futch

Name:

Clarke B. Futch

Title:

Authorized Signatory

Schedule A

Repriced Amendment No. 1 Warrants

Warrantholder

Warrant No.

Original Warrant Shares

Original Exercise Price

Amended Exercise Price

HEALTHCARE ROYALTY PARTNERS IV, L.P.

W-2026-1

3,722,084

$3.8130

$0.10, subject to Section 3(a)

HCRX HOLDINGS, L.P.

W-2026-4

5,522,605

$3.8130

$0.10, subject to Section 3(a)

HCR MOLAG FUND, L.P.

W-2026-2

45,392

$3.8130

$0.10, subject to Section 3(a)

HCR CANARY FUND, L.P.

W-2026-3

544,695

$3.8130

$0.10, subject to Section 3(a)

Exhibit A

Amended and Restated Exhibit

F to the Agreement Buyer Entities

Buyer Entities

HEALTHCARE ROYALTY PARTNERS IV, L.P.

HCRX HOLDINGS,

L.P.

HCRX INVESTMENTS HOLDCO, L.P.

(as successor by merger to HCR STAFFORD FUND, L.P. and HCR POTOMAC FUND, L.P.)

HCRP OVERFLOW FUND, L.P.

HCR CANARY FUND, L.P.

HCR

MOLAG FUND, L.P.

For the avoidance of doubt, the

Royalty Payments (and any other amounts credited towards the Royalty Cap or otherwise payable by the Seller under the Agreement) shall

be divided among the entities listed above as such entities shall collectively determine and the Seller shall not be responsible for how

such payments are divided among such entities.

EX-99.1 — EXHIBIT 99.1

EX-99.1

Filename: dp254756_ex9901.htm · Sequence: 7

Exhibit 99.1

ADC Therapeutics Announces Comprehensive Strategic

Financial Restructuring

Marking Key Capital Structure Improvements

$86.6 Million Private Placement announced, with

participation from new and existing investors, extending expected cash runway into 2029

HealthCare Royalty financing agreement amended,

removing change-of-control payment

Senior secure loan refinanced, decreasing principal

to $50M with bullet payment in August 2029 and no minimum liquidity

LAUSANNE, Switzerland — October 8, 2026 — ADC

Therapeutics SA (NYSE: ADCT), a commercial-stage global leader and pioneer in the field of antibody drug conjugates (ADCs), today announced

a comprehensive strategic financial restructuring designed to strengthen its balance sheet, reduce leverage, and increase strategic optionality

to maximize shareholder value while extending the expected cash runway into 2029. The strategic initiative includes securing new equity

financing, restructuring the HealthCare Royalty (HCR) agreement, and reducing the outstanding loan principal.

“We are pleased to announce this robust set

of improvements to our capital structure which reflect confidence in ZYNLONTA’s growth potential from both long-standing and new

investors as well as from HCR and our lenders,” said Ameet Mallik, Chief Executive Officer of ADC Therapeutics. “These efforts

extend our expected cash runway and increase strategic optionality, as we approach much anticipated LOTIS-7 and MZL data abstracts in

early November with presentations in December at the 68th American Society of Hematology Annual Meeting.”

Strategic Financing

ADC Therapeutics has entered into securities purchase

agreements for the sale of its equity securities to certain institutional investors, including new investor Bain Capital Life Sciences

and existing investors Redmile, TCGX, and Nantahala Capital, in a $86.6 million private investment in public equity (“PIPE”)

financing. In the PIPE, ADC Therapeutics is selling 12.9 million common shares at $1.42 per share and pre-funded warrants to purchase

48.1 million common shares at $1.32, per pre-funded warrant, which is the price per common share in the PIPE minus the exercise price

of CHF 0.08 per pre-funded warrant.

Gross proceeds from the PIPE, assuming cash exercise

of the pre-funded warrants,  are anticipated to be approximately $86.6 million before deducting placement agent fees and offering

expenses. The PIPE is expected to close on October 22, 2026, subject to customary closing conditions. ADC Therapeutics

intends to use the net proceeds from the PIPE to

invest in continued funding of ZYNLONTA pipeline studies, including the Phase 3 trials in diffuse large B-cell lymphoma (ZYNLONTA plus

glofitamab) and marginal zone lymphoma (ZYNLONTA monotherapy), and strengthen the balance sheet, in addition to funding working capital

and general corporate purposes.

The offer and sale of the foregoing securities

are made in a transaction not involving a public offering, and the foregoing securities have not been registered under the Securities

Act of 1933, as amended (the “Securities Act”) or applicable state securities laws, and are being offered and sold in reliance

on Section 4(a)(2) of the Securities Act. The securities may not be reoffered or resold in the United States except pursuant to an effective

registration statement or an applicable exemption from the registration requirements of the Securities Act and other applicable securities

laws. ADC Therapeutics has agreed to file a registration statement with the Securities and Exchange Commission registering the resale

of the common shares to be sold in the PIPE and the common shares issuable upon exercise of the pre-funded warrants to be sold in the

PIPE.

Amendment to Royalty Purchase and Sale Agreement

On October 7, 2026, ADC Therapeutics entered into

Amendment No. 2 (the “HCR Amendment”) to its Purchase and Sale Agreement, dated August 25, 2021 (as amended from time to time,

the “HCR Agreement”), with certain entities managed by HealthCare Royalty Management, LLC (collectively, “HCR”).

To date, HCR has provided $300 million of funding to the Company. The HCR Amendment eliminates the $150 million payment otherwise required

solely upon a change of control.

In addition, the HCR Amendment reduces the aggregate

outstanding principal amount of third-party indebtedness of the Company and its subsidiaries are permitted to incur to $50.0 million.

An uncured breach of this debt limitation covenant entitles HCR to elect to receive the non-performance payment equaling 1.5 times the

difference between the $300 million aggregate purchase price and royalty payments and other qualifying credited amounts actually received

by HCR, subject to a cure period. The HCR Amendment also requires the Company, subject to shareholder approval and applicable legal and

fiduciary duties, to use its best efforts to become a Delaware corporation. In addition, the HCR Amendment amends the warrants to purchase

9,834,776 common shares, which were issued on February 18, 2026, in connection with a previous amendment to the HCR Agreement (the “HCR

Warrants”), by reducing the exercise price of the HCR Warrants from $3.8130 per share to $0.10 per share; by adding a provision

that prohibits the exercise of the HCR Warrants if, upon giving effect to such exercise, the aggregate number of the Company’s common

shares beneficially owned by the holder (together with its affiliates and certain attribution parties) would exceed 4.99% (or, 61 days

after a written notice from such holder, any other percentage not in excess of 9.99%) of the number of the Company’s common shares

outstanding immediately after giving effect to the exercise, as such percentage ownership is determined in accordance with the terms of

the HCR Amendment; and removing the contractual restrictions on transfers of the HCR Warrants and shares issuable upon exercise of the

HCR Warrants before January 1, 2028. The effectiveness of the HCR Amendment is conditioned upon the completion of the PIPE by October

31, 2026, and the effectiveness of the Loan Agreement Amendment. All other terms of the HCR Agreement remain unchanged including the ongoing

royalty obligations which will continue until the Royalty Cap (as defined in the HCR Agreement).

Amendment to Loan Agreement

On October 7, 2026, ADC Therapeutics, certain

subsidiaries of the Company, the lenders party thereto and Blue Owl Opportunistic Lending Master Fund I, L.P., as administrative

agent and collateral agent, entered into a second amendment (the “Loan Agreement Amendment”) to the Loan Agreement and

Guaranty, dated August 15, 2022 (as amended from time to time, the “Loan Agreement”).

The Loan Agreement Amendment provides for the prepayment

of $70.0 million principal amount of term loans under the Loan Agreement, plus accrued and unpaid interest with respect thereto and any

related fees and premiums, inclusive of the Company’s scheduled September 30, 2026, amortization payment. Immediately after such

prepayment, the principal amount of outstanding term loans under the Loan Agreement will be $50.0 million. The Loan Agreement Amendment

eliminates subsequent scheduled principal amortization, with the remaining principal payable at maturity unless earlier accelerated; eliminates

the minimum liquidity covenant; and sets the minimum trailing four-quarter U.S. ZYNLONTA sales covenant at $65.0 million for the quarter

ending December 31, 2026, and each quarter thereafter. The effectiveness of the Loan Agreement Amendment, including the consummation of

the prepayment contemplated thereunder, is conditioned upon the completion of the PIPE.

In connection with the Loan Agreement Amendment,

the Company entered into amendments to the warrants to purchase an aggregate of 527,295 common shares, which were issued on August 15,

2022, in connection with the Loan Agreement (the “Lender Warrants”). The amendments reduce the exercise price of the Lender

Warrants from $8.30 per share to $1.00 per share (being the lesser of $1.00 per share and the price per common share in the PIPE). The

effectiveness of the amendments to the Lender Warrants is conditioned upon the effectiveness of the Loan Agreement Amendment.

The company expects net product revenues from

sales of ZYNLONTA to be approximately $21.0 million for the third quarter ended September 30, 2026 with cash and cash equivalents

totaling $189.2 million as of September 30, 2026. On a proforma basis, giving effect to the estimated net cash proceeds from

the PIPE of approximately $76.3 million (after deducting placement agent fees and estimated offering expenses), and the partial

principal prepayment of $69.6 million (including fees) on the senior secured term loan, the Company would have had approximately

$196 million of cash and cash equivalents as of that date.

Jefferies, Guggenheim Securities, and Cantor are

acting as placement agents for the PIPE. Davis Polk & Wardwell LLP and Homburger AG are acting as legal advisors to ADC Therapeutics.

This press release shall not constitute an offer

to sell or a solicitation of an offer to buy these securities, nor shall there be any sale of these securities in any state or other jurisdiction

in which such offer, solicitation or sale would be unlawful prior to the registration or qualification under the securities laws of any

such state or other jurisdiction.

The Company has uploaded an updated corporate presentation

to the Investor portion of its website.

About ZYNLONTA®

ZYNLONTA® is a CD19-directed antibody

drug conjugate (ADC). Once bound to a CD19-expressing cell, ZYNLONTA is internalized by the cell, where enzymes release a pyrrolobenzodiazepine

(PBD) payload. The potent payload binds to DNA minor groove with little distortion, remaining less visible to DNA repair mechanisms. This

ultimately results in cell cycle arrest and tumor cell death.

The U.S. Food and Drug Administration (FDA) and

the European Medicines Agency (EMA) have approved ZYNLONTA (loncastuximab tesirine-lpyl) for the treatment of adult patients with relapsed

or refractory (r/r) large B-cell lymphoma after two or more lines of systemic therapy, including diffuse large B-cell lymphoma (DLBCL)

not otherwise specified (NOS), DLBCL arising from low-grade lymphoma and also high-grade B-cell lymphoma. The trial included a broad

spectrum of heavily pre-treated patients (median three prior lines of therapy) with difficult-to-treat disease, including patients who

did not respond to first-line therapy, patients refractory to all prior lines of therapy, patients with double/triple hit genetics and

patients who had stem cell transplant and CAR-T therapy prior to their treatment with ZYNLONTA. This indication is approved by the FDA

under accelerated approval and in the European Union under conditional approval based on overall response rate and continued approval

for this indication may be contingent upon verification and description of clinical benefit in a confirmatory trial. Please see full

prescribing information including important safety information about ZYNLONTA at www.ZYNLONTA.com.

ZYNLONTA is also being evaluated as a therapeutic

option in combination studies in other B-cell malignancies and earlier lines of therapy.

About ADC Therapeutics

ADC Therapeutics (NYSE: ADCT) is a commercial-stage

global leader and pioneer in the field of antibody drug conjugates (ADCs), transforming treatment for patients through our focused portfolio

with ZYNLONTA® (loncastuximab tesirine-lpyl).

ADC Therapeutics' CD19-directed ADC ZYNLONTA received

accelerated approval by the FDA and conditional approval from the European Commission for the treatment of relapsed or refractory diffuse

large B-cell lymphoma after two or more lines of systemic therapy. ZYNLONTA is also in development in combination with other agents and

in earlier lines of therapy.

Headquartered in Lausanne (Biopôle), Switzerland,

with operations in New Jersey, ADC Therapeutics is focused on driving innovation in ADC development with specialized capabilities from

clinical to manufacturing and commercialization.

ZYNLONTA® is a registered trademark

of ADC Therapeutics SA.

Forward-Looking Statements

This press release contains forward-looking

statements within the meaning of the safe harbor provisions of the Private Securities Litigation Reform Act of 1995. In some cases

you can identify forward-looking statements by terminology such as "may", "will", "should",

"would", "expect", "intend", "plan", "anticipate", "believe",

"estimate", "predict", "potential", "seem", "seek", "future",

"continue", or "appear" or the negative of

these terms or similar expressions, although not

all forward-looking statements contain these identifying words. Forward-looking statements are subject to certain risks and uncertainties

that can cause actual results to differ materially from those described. Factors that may cause such differences include, but are not

limited to: the adequacy of the LOTIS-5 clinical trial data to support full regulatory approval and our ability to maintain accelerated

approval in the United States and foreign jurisdictions for our product; our ability to identify and execute on potential regulatory and

compendia pathways; the timing, content and outcome of meetings with and feedback or other communications provided by regulatory authorities

including U.S. FDA including our ability to adequately address the serious concerns related to the LOTIS-5 trial results raised by the

FDA at the recent pre-sBLA submission meeting; the timing, submission and outcome of an sBLA related to LOTIS-5 and potential approval;

the actual and perceived benefit-risk profile for ZYNLONTA as studied in the LOTIS-5 trial; the assessment of the data from LOTIS-5 study,

including additional analyses of outcomes observed for safety, efficacy and within key geographic regions and across certain patient sub-populations;

the path for full regulatory approval for ZYNLONTA in the United States and foreign jurisdictions and into earlier lines of therapy; whether

future LOTIS-7 results will be consistent with or different from the prior disclosure, the timing, results and publication of the full

LOTIS-7 trial data and potential compendia inclusion; future regulatory strategy for a Phase 3 trial for the combination of ZYNLONTA plus

glofitamab; our expected revenue growth in 2027 and the Company's ability to sustain or grow ZYNLONTA® revenue in the future;

our ability to effect the proposed amendments to the HCR agreement and the loan agreement; our expected cash runway into at least 2028

which assumes use of the minimum liquidity amount required to be maintained under its loan agreement covenants; our ability to comply

with the terms of our indebtedness; changes in our regulatory and commercial strategy; the ability of our partners to commercialize ZYNLONTA®

in foreign markets, the timing and amount of future revenue and payments to us from such partnerships and their ability to obtain or maintain

regulatory approval for ZYNLONTA® in foreign jurisdictions; the timing and results of the Company's clinical trials; the

timing, publication and results of investigator-initiated trials including those studying FL and MZL and the potential regulatory and/or

compendia strategy and the future opportunity; the timing and outcome of regulatory submissions for the Company's products or product

candidates; actions by the FDA or foreign regulatory authorities; projected revenue and expenses; the Company's indebtedness, including

HealthCare Royalty Management and Blue Owl and Oaktree facilities, and the restrictions imposed on the Company's activities by such indebtedness,

the ability to comply with the terms of the various agreements and repay such indebtedness and the significant cash required to service

such indebtedness; the Company's ability to obtain financial and other resources for its research, development, clinical, and commercial

activities; uncertainties related to a potential change in domicile from Switzerland to Delaware, including the outcome of tax analyses

associated with such redomiciliation, the receipt of requisite shareholder approval, and the ability to complete the redomiciliation on

the anticipated terms and timeline, if at all; and the uncertainties of international trade policies, including tariffs, sanctions, trade

barriers and most favored nation drug pricing and the potential impact they may have on our business, financial condition, and results

of operations. Additional information concerning these and other factors that may cause actual results to differ materially from those

anticipated in the forward-looking statements is contained in the "Risk Factors" section of the Company's Annual Report on Form

10-K and in the Company's other periodic and current reports and filings with the U.S. Securities and Exchange Commission. These statements

involve known and unknown risks, uncertainties and other

factors that may cause actual results, performance,

achievements or prospects to be materially different from any future results, performance, achievements or prospects expressed in or implied

by such forward-looking statements. The Company cautions investors not to place undue reliance on the forward-looking statements contained

in this document.

The  ZYNLONTA net sales and cash and

cash equivalents figures included in this press release are preliminary and unaudited and reflect the Company’s estimated financial

results. In preparing this information, management made a number of complex and subjective judgments and estimates about the appropriateness

of certain reported amounts and disclosures. The Company’s actual financial results for the quarter ended September 30, 2026 have

not yet been finalized by management. The preliminary financial information

is not a comprehensive statement of all financial results for the quarter ended September 30, 2026. Subsequent information or events may

lead to material differences between the foregoing preliminary financial results and those reported in the Company’s subsequent

SEC filings. Accordingly, investors should not place undue reliance on these preliminary financial results.

CONTACTS:

Investors & Media

Nicole Riley

ADC Therapeutics

Nicole.Riley@adctherapeutics.com

+1 862-926-9040

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Boolean flag that is true when the Form 8-K filing is intended to satisfy the filing obligation of the registrant as soliciting material pursuant to Rule 14a-12 under the Exchange Act.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Exchange Act

-Number 240

-Section 14a

-Subsection 12

+ Details

Name:

dei_SolicitingMaterial

Namespace Prefix:

dei_

Data Type:

xbrli:booleanItemType

Balance Type:

na

Period Type:

duration

X

- Definition

Trading symbol of an instrument as listed on an exchange.

+ References

No definition available.

+ Details

Name:

dei_TradingSymbol

Namespace Prefix:

dei_

Data Type:

dei:tradingSymbolItemType

Balance Type:

na

Period Type:

duration

X

- Definition

Boolean flag that is true when the Form 8-K filing is intended to satisfy the filing obligation of the registrant as written communications pursuant to Rule 425 under the Securities Act.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Securities Act

-Number 230

-Section 425

+ Details

Name:

dei_WrittenCommunications

Namespace Prefix:

dei_

Data Type:

xbrli:booleanItemType

Balance Type:

na

Period Type:

duration