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Form 8-K

sec.gov

8-K — PROSPECT CAPITAL CORP

Accession: 0001287032-26-000270

Filed: 2026-08-21

Period: 2026-08-20

CIK: 0001287032

Item: Results of Operations and Financial Condition

Item: Regulation FD Disclosure

Item: Financial Statements and Exhibits

Documents

8-K — psec-20260820.htm (Primary)

EX-99.1 (a2026-6x30xpsecearningsrel.htm)

XML — IDEA: XBRL DOCUMENT (R1.htm)

8-K

8-K (Primary)

Filename: psec-20260820.htm · Sequence: 1

psec-20260820

0001287032FALSE00012870322026-08-202026-08-200001287032us-gaap:CommonStockMember2026-08-202026-08-200001287032psec:A535SeriesAFixedRateCumulativePerpetualPreferredStockMember2026-08-202026-08-20

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): August 20, 2026

Prospect Capital Corporation

(Exact name of registrant as specified in its charter)

Maryland 814-00659 43-2048643

(State or other jurisdiction (Commission File Number) (IRS Employer

of incorporation) Identification No.)

10 East 40th Street, 42nd Floor, New York, New York 10016

(Address of principal executive offices, including zip code)

(212) 448-0702

(Registrant’s telephone number, including area code)

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:

o Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

o Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)

o Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))

o 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 Act:

Title of each class Trading symbol Name of each exchange on which registered

Common Stock, $0.001 par value PSEC NASDAQ Global Select Market

5.35% Series A Fixed Rate Cumulative Perpetual Preferred Stock, par value $0.001 PSEC PRA 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 (§230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§240.12b-2 of this chapter).

Emerging growth company o

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. o

Item 2.02.   Results of Operations and Financial Condition.

On August 20, 2026, the registrant issued a press release announcing its financial results for its fiscal year ended June 30, 2026. The text of the press release is included as Exhibit 99.1 to this Form 8-K.

The information disclosed under this Item 2.02, including Exhibit 99.1 hereto, is being furnished and shall not be deemed “filed” for purposes of Section 18 of the Securities Exchange Act of 1934 and shall not be deemed incorporated by reference into any filing made under the Securities Act of 1933, except as expressly set forth by specific reference in such filing.

3

Item 7.01. Regulation FD Disclosure.

On August 20, 2026, the registrant issued a press release, included herewith as Exhibit 99.1, and by this reference incorporated herein, announcing the declaration of monthly cash distributions to common shareholders in the following amounts and with the following record and payment dates:

Monthly Cash Common Shareholder Distribution Record Date Payment Date Amount ($ per share)

September 2026 9/28/2026 10/21/2026 $0.0350

October 2026 10/28/2026 11/18/2026 $0.0350

On August 20, 2026, the registrant announced the declaration of monthly dividends for the registrant’s 7.50% Preferred Stock for holders of record on the following dates based on an annual rate equal to 7.50% of the Stated Value of $25.00 per share as set forth in the Articles Supplementary for the Preferred Stock, from the date of issuance or, if later from the most recent dividend payment date (the first business day of the month, with no additional dividend accruing in November as a result), as follows:

Monthly Cash 7.50% Preferred Shareholder Distribution Record Date Payment Date Monthly Amount ($ per share), before pro ration for partial periods

September 2026 9/21/2026 10/1/2026 $0.156250

October 2026 10/21/2026 11/2/2026 $0.156250

November 2026 11/18/2026 12/1/2026 $0.156250

On August 20, 2026, the registrant announced the declaration of monthly dividends for the registrant’s Floating Rate Preferred Stock for holders of record on the following dates based on an annualized rate equal to 6.50% of the stated value of $25.00 per share as set forth in the Articles Supplementary for the Preferred Stock, from the date of issuance or, if later from the most recent dividend payment date (the first business day of the month, with no additional dividend accruing in November as a result), authorized on August 19, 2026, as follows:

Monthly Cash Floating Rate Preferred Shareholder Distribution Record Date Payment Date Monthly Amount ($ per share), before pro ration for partial periods

September 2026 9/21/2026 10/1/2026 $0.135417

October 2026 10/21/2026 11/2/2026 $0.135417

November 2026 11/18/2026 12/1/2026 $0.135417

On August 20, 2026, the registrant announced the declaration of monthly dividends for the registrant’s 5.50% Preferred Stock for holders of record on the following dates based on an annual rate equal to 5.50% of the Stated Value of $25.00 per share as set forth in the Articles Supplementary for the Preferred Stock, from the date of issuance or, if later from the most recent dividend payment date (the first business day of the month, with no additional dividend accruing in November as a result), as follows:

Monthly Cash 5.50% Preferred Shareholder Distribution Record Date Payment Date Monthly Amount ($ per share), before pro ration for partial periods

September 2026 9/21/2026 10/1/2026 $0.114583

October 2026 10/21/2026 11/2/2026 $0.114583

November 2026 11/18/2026 12/1/2026 $0.114583

4

On August 20, 2026, the registrant announced the declaration of monthly dividends for the registrant’s 6.50% Preferred Stock for holders of record on the following dates based on an annual rate equal to 6.50% of the Stated Value of $25.00 per share as set forth in the Articles Supplementary for the Preferred Stock, from the date of issuance or, if later from the most recent dividend payment date (the first business day of the month, with no additional dividend accruing in November as a result), as follows:

Monthly Cash 6.50% Preferred Shareholder Distribution Record Date Payment Date Monthly Amount ($ per share), before pro ration for partial periods

September 2026 9/21/2026 10/1/2026 $0.135417

October 2026 10/21/2026 11/2/2026 $0.135417

November 2026 11/18/2026 12/1/2026 $0.135417

On August 20, 2026, the registrant announced the declaration of quarterly dividends for the registrant’s 5.35% Preferred Stock for holders of record on the following dates based on an annual rate equal to 5.35% of the Stated Value of $25.00 per share as set forth in the Articles Supplementary for the 5.35% Preferred Stock, from the date of issuance or, if later from the most recent dividend payment date (the first business day of the month, with no additional dividend accruing in November as a result), as follows:

Quarterly Cash 5.35% Preferred Shareholder Distribution Record Date Payment Date Amount ($ per share)

August 2026 - October 2026 10/21/2026 11/2/2026 $0.334375

5

Item 9.01. Financial Statements and Exhibits

(d) Exhibits

99.1    Press Release, dated August 20, 2026

6

SIGNATURE

Pursuant to the requirements of the Securities Exchange Act of 1934, as amended, the Registrant has duly caused this Current Report on Form 8-K to be signed on its behalf by the undersigned hereunto duly authorized.

Prospect Capital Corporation

By:     /s/ M. Grier Eliasek

Name:    M. Grier Eliasek

Title:     Chief Operating Officer

Date: August 20, 2026

7

Index to Exhibits

Exhibit

Number Description

99.1

Press Release, dated August 20, 2026

8

EX-99.1

EX-99.1

Filename: a2026-6x30xpsecearningsrel.htm · Sequence: 2

Document

Exhibit 99.1

Prospect Capital Announces June 2026 Results

NEW YORK, August 20, 2026 (GLOBE NEWSWIRE) – Prospect Capital Corporation (NASDAQ: PSEC) (“Prospect”, “our”, or “we”) today announced financial results for our fiscal quarter and fiscal year ended June 30, 2026.

FINANCIAL RESULTS

All amounts in $000’s except

per share amounts (on weighted average

basis for period numbers)

Quarter Ended Quarter Ended Quarter Ended

June 30, 2026 March 31, 2026 June 30, 2025

Net Investment Income (“NII”) $77,692 $78,457 $79,043

NII per Common Share $0.15 $0.16 $0.17

Interest as % of Total Investment Income 90.1% 93.4% 94.9%

Net Income (Loss) Applicable to Common Shareholders $(38,091) $26,408 $(226,369)

Net Income (Loss) per Common Share $(0.08) $0.05 $(0.50)

Distributions to Common Shareholders $57,988 $65,421 $61,181

Distributions per Common Share $0.115 $0.135 $0.135

Cumulative Paid and Declared Distributions to Common Shareholders(1)

$4,809,658 $4,770,919 $4,569,727

Cumulative Paid and Declared Distributions per Common Share(1)

$22.14 $22.07 $21.66

Total Assets $6,448,627 $6,383,972 $6,804,938

Total Liabilities

$1,945,331 $1,816,573 $2,186,266

Perpetual Preferred Stock $1,574,450 $1,613,772 $1,629,900

Net Asset Value (“NAV”) to Common Shareholders $2,928,846 $2,953,627 $2,988,772

NAV per Common Share $5.71 $6.05 $6.56

Balance Sheet Cash + Undrawn Revolving Credit Facility Commitments $1,602,744 $1,752,375 $1,315,967

Net of Cash Debt to Total Assets

28.6% 27.0% 30.4%

Net of Cash Debt to Total Equity Ratio(2)

40.7% 37.6% 44.4%

Net of Cash Asset Coverage of Debt Ratio(2)

345% 366% 325%

Interest Coverage(3)

366% 356% 351%

Unsecured Debt + Perpetual Preferred Equity as % of Total Debt + Perpetual Preferred Equity 83.7% 88.0% 77.1%

Unsecured and Non-Recourse Debt as % of Total Debt 100.0% 100.0% 100.0%

(1)Declared dividends are through the October 2026 distribution. August 2026 through October 2026 distributions are estimated based on shares outstanding as of 8/19/2026.

(2)Including our perpetual preferred stock as equity.

(3)Calculated as (Net Investment Income + Interest Expense + Incentive Fees) / Interest Expense.

CASH COMMON SHAREHOLDER DISTRIBUTION DECLARATION

Prospect is declaring distributions to common shareholders as follows:

Monthly Cash Common Shareholder Distribution Record Date Payment Date Amount ($ per share)

September 2026 9/28/2026 10/21/2026 $0.0350

October 2026 10/28/2026 11/18/2026 $0.0350

Taking into account past distributions and our current share count for declared distributions, since inception through our October 2026 declared distribution, Prospect will have distributed $22.14 per share to original common shareholders, aggregating over $4.8 billion in cumulative distributions to all common shareholders.

Since Prospect’s initial public offering in July 2004 through June 30, 2026, Prospect has invested approximately $23 billion in more than 450 investments, exiting over 350 of these investments.

Since Prospect's initial public offering in July 2004 through June 30, 2026, Prospect's exited investments resulted in an investment level exited gross internal rate of return ("IRR") of approximately 12% (based on total capital invested of approximately $13.4 billion and total proceeds from such exited investments of approximately $17.2 billion).

In Prospect’s primary business of middle market lending since 2004, Prospect’s exited investments resulted in an investment level exited gross IRR of approximately 14.4% (based on total capital invested of approximately $11.5 billion and total proceeds from such exited investments of approximately $14.7 billion), with an annualized realized loss rate of 0.2%.

Middle-Market Lending Track Record Overall Exited

Investments 365 293

Total Capital Invested $17.5 billion $11.5 billion

Total Proceeds $19.2 billion $14.7 billion

Amount Remaining(1)

$5.3 billion $0 billion

Total $24.5 billion $14.7 billion

Exited Gross IRR 14.4%

Credit Statistics

Reference(2)

PSEC Average

Middle-Market Net Leverage 6.1x 4.9x

Middle-Market Cash Interest Coverage 160% 223%

Annualized Net Realized Loss Rate 1.0%

0.2%(3)

(1)Amount remaining represents the fair value of investments and any additional net interest receivable.

(2)Reference Middle-Market Net Leverage and Middle-Market Cash Interest Coverage from KBRA Private Credit: Q2 2026 Middle Market Compendium. Such quarterly report includes median statistics for 2,785 unique global middle-market sponsored borrowers assessed over the last twelve months ended June 30, 2026. Reference Loss Rate is calculated by taking the default rate * (1 – the recovery rate). The default rate is calculated by taking the PitchBook average monthly reported LTM default rate for leveraged loans from September 2004 through June 2026. The recovery rate reflects Moody’s average assumption from its loss given default framework used for speculative-grade issuers.

(3)PSEC annualized net realized loss rate defined as realized gains/(losses) on investments as a percentage of total invested capital since inception, divided by the number of years since inception for the respective investments.

Drivers focused on optimizing our business include:

(1) rotation of assets into and increased focus on our core business of first lien senior secured middle market loans (with our first lien mix increasing 840 basis points to 72.5% (based on cost) from June 2024), including investments in companies with smaller funded private equity sponsors, independent sponsors, and no third party financial sponsors;

(2) reduction in our second lien senior secured middle market loans (with our second lien mix decreasing 454 basis points to 11.9% (based on cost) from June 2024);

(3) exit of our subordinated structured notes portfolio (with our subordinated structured notes mix decreasing 837 basis points to 0.0% (based on cost) from June 2024);

(4) exit of targeted lower yielding equity linked assets, including real estate properties (with six additional properties sold in the fiscal year ended June 2026) and certain corporate investments (such as the exit of Echelon Transportation, LLC in February 2026 and Valley Electric Company, Inc. in July 2026), with other potential exits targeted and in process;

(5) enhancement of portfolio company operating performance and profitability, including through adoption of AI and automation initiatives focused on enhancing revenues and producing cost efficiencies; and

(6) utilization of our cost effective floating rate revolver (which significantly matches our majority floating rate assets) while continuing to operate with one of the lowest debt leverage levels in the industry (28.6% net of cash debt to total assets as of June 30, 2026, which did not reflect the immediately deleveraging impact of the Valley Electric Company, Inc. (“Valley Electric”) sale that closed on July 1, 2026).

On July 1, 2026, Prospect closed the successful sale of its portfolio company Valley Electric, with total consideration of approximately $328 million (subject to post-closing adjustments and payments). Over the life of the Valley Electric investment since 2012 and including expected net exit proceeds of approximately $281 million (including potential post-closing adjustments and payments), together with prior interest on debt, equity distributions, and other cash flow streams, Prospect achieved a 20.5% realized gross annualized internal rate of return (“IRR”) and 4.8 times multiple of invested capital.

On June 30, 2026, $562.3 million was drawn under our current $2.1 billion revolver. Such drawn amount would have been $322.7 million on a pro forma basis assuming that the cash received on July 1, 2026, from the sale of Valley Electric had been received previously and repaid borrowings under our revolver.

In our middle market lending strategy, which represented 85% of our investments at cost as of June 30, 2026, we continued our focus on first lien senior secured loans during the quarter. Middle market investments comprised 91% of our $166.3 million of originations during the June 2026 quarter. Investments during the quarter included new first lien senior and secured loan investments in Safety Solutions Financing, LLC (a provider of fire security products and services), Abacus Dermatology Management, LLC (a management services organization), and Eyefive, LLC (d/b/a Shipoffers, a provider of on-demand product and order fulfillment services), as well as follow-on investments in existing portfolio companies to support acquisitions, working capital needs, organic growth initiatives, and other objectives.

As of June 30, 2026, our portfolio included 2.3% (based on fair market value) of investments in software companies, significantly lower than the 22% average across business development companies included in a June 9, 2026 Oppenheimer equity research report.

Our real estate property portfolio at National Property REIT Corp. (“NPRC”) totaled 14.2% of our investments at cost as of June 30, 2026 and continued its focus on already developed and occupied cash flow multifamily investments. Since the inception of this strategy in 2012 and through June 30, 2026, we have exited 58 property investments that have earned an unlevered investment-level gross cash IRR of 24% and cash on cash multiple of 2.4 times. We exited six property investments in the current fiscal year through June 30, 2026 that earned an unlevered investment-level gross cash IRR of 18% and cash on cash multiple of 2.3 times. The remaining real estate property portfolio as of June 30, 2026 included 52 properties and paid us an income yield of 5.3% for the quarter ended June 30, 2026. These properties provide from time to time opportunities for Prospect to exit certain such investments and recycle into more and higher yielding corporate first lien senior secured loans with selected equity linked investments outside of NPRC. Our aggregate investment in NPRC included a $185 million unrealized gain as of June 30, 2026.

Our senior management team and employees own 26.7% of all common shares outstanding or approximately $0.8 billion of our common equity as measured at NAV.

PORTFOLIO UPDATE AND INVESTMENT ACTIVITY

All amounts in $000’s except

per unit amounts As of As of As of

June 30, 2026 March 31, 2026 June 30, 2025

Total Investments (1)

$6,315,369 $6,192,901 $6,693,501

Total Investments (2)

$6,342,558 $6,302,465 $6,673,516

Number of Portfolio Companies 91 89 97

Number of Industries 31 31 33

First Lien Debt 72.5% 72.0% 70.5%

Second Lien Debt 11.9% 12.4% 14.4%

Total Senior and Secured Debt 84.4% 84.4% 84.9%

Unsecured Debt 0.1% 0.1% 0.1%

Subordinated Structured Notes —% —% 0.6%

Equity Investments 15.5% 15.5% 14.4%

Total Investments (1)

100.0% 100.0% 100.0%

First Lien Debt 67.6% 66.9% 66.9%

Second Lien Debt 9.1% 9.4% 11.5%

Total Senior and Secured Debt 76.7% 76.3% 78.4%

Unsecured Debt 0.1% 0.1% 0.1%

Subordinated Structured Notes —% 0.1% 0.5%

Equity Investments 23.2% 23.5% 21.0%

Total Investments (2)

100.0% 100.0% 100.0%

Non-Accrual Loans as % of Total Assets (2)

0.7% 0.7% 0.3%

(1)Calculated at cost.

(2)Calculated at fair value.

During the March 2026 and June 2026 quarters, investment originations (including follow on investments in existing portfolio companies) and repayments were as follows:

All amounts in $000’s Quarter Ended Quarter Ended

June 30, 2026 March 31, 2026

Total Originations

$166,321 $115,276

Middle-Market 90.5% 94.2%

Real Estate 9.5% 5.4%

Other —% 0.4%

Total Repayments and Sales $45,827 $222,242

Originations, Net of Repayments and Sales $120,494 $(106,966)

For additional disclosure see “Primary Origination Strategies” at the end of this release.

ARTIFICIAL INTELLIGENCE AND AUTOMATION INITIATIVES

Prospect, together with affiliates, and including portfolio company executives and external advisors, has a broad and deep cross-functional team that includes software and information technology engineers, portfolio company operations professionals, and other individuals focused on bringing best practice artificial intelligence (“AI”) and automation initiatives to both Prospect’s operations and that of its portfolio companies, especially those companies where Prospect holds not just senior secured debt but also equity, whereby Prospect can capture economic upside from profit enhancements (including both revenue increase projects as well as cost efficiency projects) in such businesses. Examples of portfolio company use cases include:

•First Tower using AI and machine learning to improve credit scoring and decisioning (further reducing loss rates and expanding approvals to additional creditworthy borrowers) and to target pre-qualified prospects (with cross-sell and re-borrow opportunities), in addition to various ongoing AI projects designed to deploy customer service agents, automate collections communications, and detect fraud;

•Town & Country continuing to prioritize AI to optimize operations and support growth initiatives, including investing in a dedicated AI team and equipping all employees with AI tools. For example, the team has deployed an AI agent that generates design concepts based on retailer, brand, packaging, and product guidelines;

•InterDent executing on AI initiatives for diagnostic imaging patient treatment plans, clinician automatic credentialling, revenue cycle management collection improvement, recruiting (reducing time to fill), call center efficiency/effectiveness boosting, and other projects;

•Pacific World using AI for consumer insight testing for new product development, optimizing accounts receivable collections review and dispute processes, and building an enterprise data warehouse unifying finance, marketing, and sales data that makes siloed data accessible to the entire organization;

•Ubique utilizing AI to benchmark competitor products across competitor websites against its own product portfolio, informing each of product development and sales strategy;

•Mity hiring a new head of technology who is deploying AI to certain business processes, with an initial focus on sales-related activities, including lead generation, customer outreach, account executive handoffs, and data integration;

•Refuel deploying an AI-driven lead generation engine to identify, qualify, and convert sales opportunities;

•National Property REIT Corp rolling out AI across its multifamily platform, including dynamic pricing and revenue management to maximize revenue per available unit; AI-driven applicant screening that evaluates credit, rental history, and employment for consistent and unbiased risk scoring; LLM-based leasing communication and call analytics to improve prospect-to-lease conversion, automated renewals pricing, and outreach to reduce tenant turnover; and AI-assisted preventative maintenance that flags equipment degradation and property risks; and

•Prospect applying AI tools to specific processes within its own operations. First-pass review of investor due diligence questionnaires, which frequently run to several hundred questions, are drafted from the firm's own prior submissions rather than assembled manually. Portions of quarter-end reporting and reconciliation for Prospect's finance vehicles have been automated. These are process-level efficiencies in back-office and administrative work, while investment decisions continue to be made by Prospect's investment professionals and investment committee.

“Prospect is actively assessing and implementing the best use cases for artificial intelligence and automation within our critical business processes, including both within our investment processes as well as at the portfolio company operational level,” said John Barry, Prospect Chairman and Chief Executive Officer. “We view AI as the most transformational game changer to come along in a generation, and we expect profit enhancing results within our businesses. Prospect has a long history of innovation and first to market accomplishments in the business development company industry, and our embracing of AI and automation is consistent with that innovative culture.”

CAPITAL AND LIQUIDITY

Our multi-year, long-term laddered and diversified historical funding profile over our more than 22 year history has included our current $2.1 billion revolver (aggregate commitments with 48 current lenders), program notes, institutional bonds, convertible bonds, listed preferred stock, and program preferred stock. As of today, we have retired multiple upcoming maturities, including repurchasing $36 million of our next institutional bond maturity, leaving $264.5 million due in November 2026.

On October 30, 2025, we successfully completed the institutional issuance of approximately $167.6 million in aggregate principal amount of senior unsecured 5.5% Series A Notes due 2030 (the "Notes"), which mature on December 31, 2030.

Our unfunded eligible commitments to portfolio companies aggregate approximately $64.6 million, of which $52.4 million is considered at our sole discretion, representing 1.0% and 0.8% of our total assets as of June 30, 2026, respectively.

As of As of

All amounts in $000’s June 30, 2026 March 31, 2026

Net of Cash Debt to Total Assets Ratio

28.6% 27.0%

Net of Cash Debt to Total Equity Ratio(1)

40.7% 37.6%

% of Interest-Bearing Assets at Floating Rates 76.0% 74.3%

Unsecured Debt + Perpetual Preferred Equity as % of Total Debt + Perpetual Preferred Equity 83.7% 88.0%

Balance Sheet Cash + Undrawn Revolving Credit Facility Commitments $1,602,744 $1,752,375

Unencumbered Assets $4,242,977 $4,177,553

% of Total Assets 65.8% 65.4%

(1)Including our perpetual preferred stock as equity.

We currently have three separate unsecured debt issuances aggregating approximately $701.4 million outstanding, not including our program notes, with laddered maturities extending through December 2030. At June 30, 2026, $614.9 million of program notes were outstanding with laddered maturities through March 2052.

At June 30, 2026 our weighted average cost of unsecured debt financing was 4.78%.

We have raised significant capital from our existing perpetual preferred stock offering programs. The perpetual preferred stock provides Prospect with a diversified source of programmatic capital without creating scheduled amortization or maturity risk as we benefit from multiple perpetual preferred tranches.

DIVIDEND REINVESTMENT PLAN

We have adopted a dividend reinvestment plan (also known as our “DRIP”) that provides for reinvestment of our distributions on behalf of our shareholders, unless a shareholder elects to receive cash. On April 17, 2020, our board of directors approved amendments to the Company’s DRIP, effective May 21, 2020. These amendments principally provide for the number of newly-issued shares pursuant to the DRIP to be determined by dividing (i) the total dollar amount of the distribution payable by (ii) 95% of the closing market price per share of our stock on the valuation date of the distribution (providing a 5% discount to the market price of our common stock), a benefit to shareholders who participate.

HOW TO PARTICIPATE IN OUR DIVIDEND REINVESTMENT PLAN

Shares held with a broker or financial institution

Many shareholders have been automatically “opted out” of our DRIP by their brokers. Even if you have elected to automatically reinvest your PSEC stock with your broker, your broker may have “opted out” of our DRIP (which utilizes DTC’s dividend reinvestment service), and you may therefore not be receiving the 5% pricing discount. Shareholders interested in participating in our DRIP to receive the 5% discount should contact their brokers to make sure each such DRIP participation election has been made through DTC. In making such DRIP election, each shareholder should specify to one’s broker the desire to participate in the "Prospect Capital Corporation DRIP through DTC" that issues shares based on 95% of the market price (a 5% discount to the market price) and not the broker's own "synthetic DRIP” plan (if any) that offers no such discount. Each shareholder should not assume one’s broker will automatically place such shareholder in our DRIP through DTC. Each shareholder will need to make this election proactively with one’s broker or risk not receiving the 5% discount. Each shareholder may also consult with a representative of such shareholder’s broker to request that the number of shares the shareholder wishes to enroll in our DRIP be re-registered by the broker in the shareholder’s own name as record owner in order to participate directly in our DRIP.

Shares registered directly with our transfer agent

If a shareholder holds shares registered in the shareholder’s own name with our transfer agent (less than 0.1% of our shareholders hold shares this way) and wants to make a change to how the shareholder receives dividends, please contact our plan administrator, Equiniti Trust Company, LLC by calling (888) 888-0313 or by mailing Equiniti Trust Company LLC, PO Box 10027, Newark, New Jersey 07101.

EARNINGS CONFERENCE CALL

Prospect will host an earnings call on August 21, 2026 at 9:00 a.m. Eastern Time. Dial 888-338-7333. For a replay after August 21, 2026 visit www.prospectstreet.com or call 855-669-9658 with passcode 3651062.

PROSPECT CAPITAL CORPORATION AND SUBSIDIARIES

CONSOLIDATED STATEMENTS OF ASSETS AND LIABILITIES

(in thousands, except share and per share data)

June 30, 2026 June 30, 2025

Assets

Investments at fair value:

Control investments (amortized cost of $3,367,618 and $3,416,244, respectively)

$ 3,644,274  $ 3,696,367

Affiliate investments (amortized cost of $12,835 and $11,735, respectively)

30,447  27,057

Non-control/non-affiliate investments (amortized cost of $2,934,916 and $3,265,522, respectively)

2,667,837  2,950,092

Total investments at fair value (amortized cost of $6,315,369 and $6,693,501, respectively)

6,342,558  6,673,516

Cash and cash equivalents (restricted cash of $2,812 and $4,282, respectively)

43,572  50,788

Receivables for:

Interest, net 17,350  25,144

Other 9,228  1,642

Derivative Assets, at fair value 18,900  —

Deferred financing costs on Revolving Credit Facility 14,128  18,842

Prepaid expenses 1,419  1,488

Due from Prospect Administration 1,351  —

Due from Affiliate 61  125

Due from broker 60  33,393

Total Assets

6,448,627  6,804,938

Liabilities

Public Notes (less unamortized discount and debt issuance costs of $10,547 and $6,556, respectively)

690,841  593,444

Prospect Capital InterNotes® (less unamortized debt issuance costs of $7,399 and $8,687, respectively)

607,480  638,545

Revolving Credit Facility 562,328  856,322

Due to Prospect Capital Management 38,946  41,757

Dividends payable 18,252  28,836

Interest payable 13,968  15,116

Due to broker 9,156  5,639

Accrued expenses 3,675  3,490

Due to Prospect Administration —  2,602

Other liabilities 685  515

Total Liabilities

1,945,331  2,186,266

Commitments and Contingencies

Preferred Stock, par value $0.001 per share (766,678,529 and 836,490,792 shares of preferred stock authorized; 68,468,200 and 70,915,937 issued and outstanding, respectively)

1,574,450  1,629,900

Net Assets Applicable to Common Shares $ 2,928,846  $ 2,988,772

Components of Net Assets Applicable to Common Shares and Net Assets, respectively

Common stock, par value $0.001 per share (1,233,321,471 and 1,163,509,208 common shares authorized; 512,746,556 and 455,902,826 issued and outstanding, respectively)

513  456

Paid-in capital in excess of par 4,310,026  4,182,453

Accumulated other comprehensive income (loss) 5,801  —

Distributions in excess of earnings (1,387,494) (1,194,137)

Net Assets Applicable to Common Shares $ 2,928,846  $ 2,988,772

Net Asset Value Per Common Share $ 5.71  $ 6.56

PROSPECT CAPITAL CORPORATION AND SUBSIDIARIES

CONSOLIDATED STATEMENTS OF OPERATIONS

(in thousands, except share and per share data)

Three Months Ended June 30, Year Ended June 30,

2026 2025 2026 2025

Investment Income

Interest income (excluding payment-in-kind (“PIK”) interest income):

Control investments $ 56,932  $ 55,725  $ 230,683  $ 226,077

Non-control/non-affiliate investments 65,229  82,819  285,157  340,762

Structured credit securities —  2,512  —  14,017

Total interest income (excluding PIK interest income) 122,161  141,056  515,840  580,856

PIK interest income:

Control investments 13,084  12,721  50,226  55,230

Non-control/non-affiliate investments 5,118  4,663  15,866  35,023

Total PIK Interest Income 18,202  17,384  66,092  90,253

Total interest income 140,363  158,440  581,932  671,109

Dividend income:

Control investments 8,239  —  32,503  8,774

Affiliate investments 627  540  1,612  681

Non-control/non-affiliate investments 2,450  1,714  12,852  9,923

Total dividend income 11,316  2,254  46,967  19,378

Other income:

Control investments 591  3,158  1,659  18,957

Non-control/non-affiliate investments 3,491  3,094  8,896  9,992

Total other income 4,082  6,252  10,555  28,949

Total Investment Income 155,761  166,946  639,454  719,436

Operating Expenses

Base management fee 32,081  34,503  130,934  145,756

Income incentive fee 6,939  7,253  26,508  40,772

Interest and credit facility expenses 31,872  34,385  129,885  148,275

Allocation of overhead from Prospect Administration 5,525  5,523  22,095  22,257

Audit, compliance and tax related fees 543  1,754  1,701  4,137

Directors’ fees 150  150  600  600

Other general and administrative expenses 4,715  4,335  18,469  18,799

Total Operating Expenses 81,825  87,903  330,192  380,596

Reimbursement of Administration Expenses (3,756) —  (17,125) —

Total Net Operating Expenses 78,069  87,903  313,067  380,596

Net Investment Income 77,692  79,043  326,387  338,840

Net Realized and Net Change in Unrealized Gains (Losses) from Investments

Net realized gains (losses)

Control investments (1,615) 4  (116,426) 6,378

Non-control/non-affiliate investments 203  (308,483) (107,293) (525,060)

Net realized gains (losses) (1,412) (308,479) (223,719) (518,682)

Net change in unrealized gains (losses)

Control investments (91,822) (83,010) (3,466) (300,131)

PROSPECT CAPITAL CORPORATION AND SUBSIDIARIES

CONSOLIDATED STATEMENTS OF OPERATIONS

(in thousands, except share and per share data)

(Unaudited) (Continued)

Three Months Ended June 30, Year Ended June 30,

2026 2025 2026 2025

Affiliate investments (5,990) 4,364  2,291  8,847

Non-control/non-affiliate investments 15,438  112,308  48,349  230

Net change in unrealized gains (losses) (82,374) 33,662  47,174  (291,054)

Net Realized and Net Change in Unrealized Gains (Losses) from Investments (83,786) (274,817) (176,545) (809,736)

Net realized gains (losses) on extinguishment of debt 1,486  (156) 4,219  972

Net realized gains (losses) from derivative instruments and foreign currency transactions (344) —  (1,042) —

Net change in unrealized gains (losses) from derivative instruments and foreign currency transactions 435  —  643  —

Net Increase (Decrease) in Net Assets Resulting from Operations (4,517) (195,930) 153,662  (469,924)

Preferred Stock dividends (26,436) (26,739) (106,645) (106,822)

Net gain (loss) on redemptions of Preferred Stock (5,263) (1,749) (9,592) (1,937)

Gain (loss) on Accretion to Redemption Value of Preferred Stock (1,875) (1,951) (7,597) (15,079)

Net Increase (Decrease) in Net Assets Resulting from Operations applicable to Common Stockholders $ (38,091) $ (226,369) $ 29,828  $ (593,762)

PROSPECT CAPITAL CORPORATION AND SUBSIDIARIES

ROLLFORWARD OF NET ASSET VALUE PER COMMON SHARE

(in actual dollars)

Three Months Ended June 30, Year Ended June 30,

2026 2025 2026 2025

Per Share Data(9)

Net asset value per common share at beginning of period $ 6.05  $ 7.25  $ 6.56  $ 8.74

Net investment income

0.15 0.17 0.68 0.77

Net realized and change in unrealized gains (losses)(1)

(0.18) (0.62) (0.40) (1.87)

Net increase (decrease) from operations

(0.02) (6) (0.44)

(6)

0.28  (1.11)

(6)

Distributions of net investment income to preferred stockholders (0.05)

(3)

(0.06)

(0.22)

(3)

(0.24)

Total distributions to preferred stockholders (0.05)

(0.06) (0.22) (0.24)

Net increase (decrease) from operations applicable to common stockholders (0.08) (0.50) 0.06  (1.35)

Distributions of net investment income to common stockholders (0.12)

(3)

(0.14) (0.50)

(3)

(0.44)

(5)

Return of capital to common stockholders —

(3)

—  (0.02)

(3)

(0.16)

(5)

Total distributions to common stockholders (0.12) (0.14) (0.52) (0.60)

Effect of other comprehensive income(7)

0.02  —  0.01  —

Common stock transactions(2)

(0.17) (0.06) (0.41) (0.25)

Net asset value per common share at end of period $ 5.71  (6) $ 6.56  (6) $ 5.71  (6) $ 6.56  (6)

(1)Realized gains (losses) is inclusive of net realized losses (gains) on investments, net realized losses (gains) from extinguishment of debt, net realized gains (losses) on derivative instruments and foreign currency transactions, and net realized gains (losses) from the repurchases and redemptions of preferred stock.

(2)Common stock transactions include the effect of our issuance of common stock in public offerings (net of underwriting and offering costs), shares issued in connection with our common stock dividend reinvestment plan, common shares issued to acquire investments, common shares repurchased below net asset value pursuant to our Repurchase Program, and common shares issued pursuant to the Holder Optional Conversion of our 5.50% Preferred Stock and 6.50% Preferred Stock.

(3)Tax character of distributions is not yet finalized for the respective fiscal period and will not be finalized until we file our tax return for our tax year ending August 31, 2026.

(4)For all periods presented above, all shares of our issued and outstanding Convertible Preferred Stock had an anti-dilutive effect.

(5)The amounts reflected for the respective fiscal periods were updated based on tax information received subsequent to our Form 10-K filing for June 30, 2025. Certain reclassifications have been made in the presentation of prior period amounts.

(6)Does not foot due to rounding.

(7)Effect of other comprehensive income is related to income/(loss) deemed attributable to instrument specific credit risk derived from changes in fair value associated with liabilities valued under the fair value option (ASC 825.)

(8)Effect is less than $0.01 per share.

(9)Per share data amount is based on the basic weighted average number of common shares outstanding for the year/period presented (except for dividends to stockholders which is based on actual rate per share).

INTERNAL RATE OF RETURN

Internal Rate of Return (“IRR”) is the discount rate that makes the net present value of all cash flows related to a particular investment equal to zero. IRR is gross of general expenses not related to specific investments as these expenses are not allocable to specific investments. Investments are considered to be exited when the original investment objective has been achieved through the receipt of cash and/or non-cash consideration upon the repayment of a debt investment or sale of an investment or through the determination that no further consideration was collectible and, thus, a loss may have been realized. Prospect’s gross IRR calculations are unaudited. Information regarding internal rates of return are historical results relating to Prospect’s past performance and are not necessarily indicative of future results, the achievement of which cannot be assured.

All track record data herein is as of 6/30/2026, unless otherwise noted. Middle-market lending track record segmentation by EBITDA represents EBITDA at the date of initial investment.

ANNUALIZED NET REALIZED LOSS RATE

Annualized net realized loss rate defined as realized gains/(losses) on investments as a percentage of total invested capital since inception, divided by the number of years since inception for the respective investments. Numbers may not add up to precise totals due to rounding.

PRIMARY ORIGINATION STRATEGIES

Our primary investment strategy is investing in private, middle-market companies in the U.S. in need of capital for refinancings, acquisitions, capital expenditures, growth initiatives, recapitalizations and other purposes. Typically, we focus on making investments in middle-market companies with annual revenues of less than $750 million and enterprise values of less than $1 billion. These private, middle-market companies are primarily owned by private equity funded and independent sponsors or us, as well as by a portfolio company’s management team, founder(s), or other investors. Our typical investment involves a senior and secured loan of less than $250 million.

Our investments in senior and secured loans are generally senior debt instruments that rank ahead of unsecured debt and equity of a given portfolio company. These loans also have the benefit of security interests on assets of the applicable portfolio company, which often rank ahead of any other security interests. We also make equity and equity-linked investments with capital-appreciation potential (such as senior and secured convertible debt, preferred equity, common equity and warrants).

We also invest a lesser amount of our assets in senior and secured debt and controlling equity positions in real estate investment trusts (“REIT” or “REITs”). The real estate investments of National Property REIT Corp. (“NPRC”) are in various classes of developed and occupied real estate properties that generate current yields, including multi-family properties and other tenant-diversified properties; historically, NPRC made investments in structured credit (primarily debt tranches). We historically invested in structured credit (primarily equity tranches).

We may also invest in other strategies and opportunities from time to time that the Investment Adviser views as attractive. The Investment Adviser may continue to evaluate other origination strategies in the ordinary course of business with no specific top-down allocation to any single origination strategy.

We directly originate the significant majority of our investments through our long-term relationships with private equity funded and independent sponsors, financial intermediaries, and management teams, as well as other sources. We seek to maximize returns, including both current yield and capital-appreciation potential, and minimize risk for our investors by applying rigorous credit and other analyses and cash-flow and asset-based lending techniques to originate, close, and monitor our investments.

We are consistently pursuing multiple investment opportunities. There can be no assurance that we will successfully consummate any investment opportunity we pursue. If any of these opportunities are consummated, there can be no assurance that investors will share our view of valuation or that any assets acquired will not be subject to future write downs, each of which could have an adverse effect on our stock price.

MIDDLE MARKET LENDING PORTFOLIO COMPANY EBITDA, NET LEVERAGE AND CASH INTEREST COVERAGE

Middle-Market Lending Portfolio Company Net Leverage (“Middle-Market Portfolio Net Leverage”) and Middle-Market Lending Portfolio Company Cash Interest Coverage (“Middle-Market Portfolio Cash Interest Coverage”) provide clarity into the underlying capital structure of PSEC’s middle-market loan portfolio investments and the likelihood that such portfolio will make interest payments and repay principal. Investments in real estate, subordinated structured notes, and equity (for which principal repayment is not fixed) and for which EBITDA is not available, negative or de minimis are not included in the calculations.

Middle-Market Portfolio Net Leverage reflects the simple average net leverage of each of PSEC’s middle-market loan portfolio investments. The net leverage for each such investment is calculated based on PSEC’s loan investment in the capital structure of the portfolio company, with a maximum limit of 10.0x, and adjusted EBITDA. This calculation excludes debt subordinate to PSEC’s position within the capital structure because PSEC’s exposure to interest payment and principal repayment risk is limited beyond that point. The calculation does not exceed 10.0x adjusted EBITDA for any individual investment because 10.0x captures the highest level of risk to PSEC.

Middle-Market Portfolio Cash Interest Coverage reflects the simple average cash interest coverage of each of PSEC’s middle-market loan portfolio investments. The cash interest coverage for each middle-market loan portfolio investment is calculated based on the portfolio company’s cash interest and adjusted EBITDA.

Middle-Market Portfolio Net Leverage and Middle-Market Portfolio Cash Interest Coverage generally indicates a portfolio company’s ability to make interest payments and repay principal. Adjusted EBITDA provides PSEC with insight into profitability and scale of the portfolio companies within PSEC's middle-market loan portfolio.

These calculations include addbacks and adjustments that are often negotiated and documented in the applicable investment documents, including but not limited to transaction costs, share-based compensation, management fees, foreign currency translation adjustments, and nonrecurring transaction expenses. Consumer finance companies are adjusted to treat third-party receivables financing as a cost of goods sold (rather than financing) because consumer finance companies typically rely on such financing to fund their lending activities.

Middle-Market Portfolio Net Leverage and Middle-Market Portfolio Cash Interest Coverage assist PSEC in assessing the likelihood that PSEC will timely receive interest and principal payments. However, these calculations are not meant to substitute for an analysis of PSEC’s underlying portfolio company debt investments, but to supplement such analysis.

About Prospect Capital Corporation

Prospect is a business development company that primarily lends to and invests in middle market privately-held companies. Prospect’s investment objective is to generate both current income and long-term capital appreciation.

Prospect has elected to be treated as a business development company under the Investment Company Act of 1940. Prospect has elected to be treated as a regulated investment company under the Internal Revenue Code of 1986.

Caution Concerning Forward-Looking Statements

This press release contains forward-looking statements within the meaning of the Private Securities Litigation Reform Act of 1995, whose safe harbor for forward-looking statements does not apply to business development companies. Any such statements, other than statements of historical fact, are highly likely to be affected by other unknowable future events and conditions, including elements of the future that are or are not under our control, and that we may or may not have considered; accordingly, such statements cannot be guarantees or assurances of any aspect of future performance. Actual developments and results are highly likely to vary materially from any forward-looking statements. Such statements speak only as of the time when made, and we undertake no obligation to update any such statement now or in the future.

For additional information, contact:

Grier Eliasek, President and Chief Operating Officer

grier@prospectcap.com

Telephone (212) 448-0702

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