Form 8.3

LONDON--( BUSINESS WIRE)--

FORM 8.3

PUBLIC OPENING POSITION DISCLOSURE/DEALING DISCLOSURE BY

A PERSON WITH INTERESTS IN RELEVANT SECURITIES REPRESENTING 1% OR MORE

Rule 8.3 of the Takeover Code (the “Code”)

1. KEY INFORMATION

(a) Full name of discloser:

Qube Research & Technologies Limited

(b) Owner or controller of interests and short positions disclosed, if different from 1(a):

The naming of nominee or vehicle companies is insufficient. For a trust, the trustee(s), settlor and beneficiaries must be named.

Use a separate form for each offeror/offeree

AMG Critical Materials N.V.

(d) If an exempt fund manager connected with an offeror/offeree, state this and specify identity of offeror/offeree:

(e) Date position held/dealing undertaken:

For an opening position disclosure, state the latest practicable date prior to the disclosure

20-07-2026

(f) In addition to the company in 1(c) above, is the discloser making disclosures in respect of any other party to the offer?

If it is a cash offer or possible cash offer, state “N/A”

N/A

2. POSITIONS OF THE PERSON MAKING THE DISCLOSURE

If there are positions or rights to subscribe to disclose in more than one class of relevant securities of the offeror or offeree named in 1(c), copy table 2(a) or (b) (as appropriate) for each additional class of relevant security.

(a) Interests and short positions in the relevant securities of the offeror or offeree to which the disclosure relates following the dealing (if any)

Class of relevant security:

EUR 0.02 ordinary

Interests

Short positions

Number

(1) Relevant securities owned and/or controlled:

0.00

(2) Cash-settled derivatives:

715,461

1.99

0.00

(3) Stock-settled derivatives (including options) and agreements to purchase/sell:

32,400

0.09

57,000

0.15

TOTAL:

747,861

2.08

57,000

0.15

All interests and all short positions should be disclosed.

Details of any open stock-settled derivative positions (including traded options), or agreements to purchase or sell relevant securities, should be given on a Supplemental Form 8 (Open Positions).

(b) Rights to subscribe for new securities (including directors’ and other employee options)

Class of relevant security in relation to which subscription right exists:

Details, including nature of the rights concerned and relevant percentages:

3. DEALINGS (IF ANY) BY THE PERSON MAKING THE DISCLOSURE

Where there have been dealings in more than one class of relevant securities of the offeror or offeree named in 1(c), copy table 3(a), (b), (c) or (d) (as appropriate) for each additional class of relevant security dealt in.

The currency of all prices and other monetary amounts should be stated.

(a) Purchases and sales

Class of relevant security

Purchase/sale

Number of securities

Price per unit (GBp)

(b) Cash-settled derivative transactions

Class of relevant security

Product description

e.g. call option

Nature of dealing

e.g. opening/closing a long/short position, increasing/reducing a long/short position

Number of securities

Exercise price per unit (EUR)

EUR 0.02 ordinary

equity swap

decreasing a long position

437

27.92

EUR 0.02 ordinary

equity swap

decreasing a long position

28.01

EUR 0.02 ordinary

equity swap

decreasing a long position

28.02

EUR 0.02 ordinary

equity swap

decreasing a long position

28.03

EUR 0.02 ordinary

equity swap

decreasing a long position

28.08

EUR 0.02 ordinary

equity swap

decreasing a long position

28.09

EUR 0.02 ordinary

equity swap

decreasing a long position

28.09

EUR 0.02 ordinary

equity swap

decreasing a long position

28.09

EUR 0.02 ordinary

equity swap

decreasing a long position

28.10

EUR 0.02 ordinary

equity swap

decreasing a long position

28.10

EUR 0.02 ordinary

equity swap

decreasing a long position

28.11

EUR 0.02 ordinary

equity swap

decreasing a long position

28.27

EUR 0.02 ordinary

equity swap

decreasing a long position

28.32

EUR 0.02 ordinary

equity swap

decreasing a long position

28.33

EUR 0.02 ordinary

equity swap

decreasing a long position

28.34

EUR 0.02 ordinary

equity swap

decreasing a long position

28.35

EUR 0.02 ordinary

equity swap

decreasing a long position

28.35

EUR 0.02 ordinary

equity swap

decreasing a long position

28.36

EUR 0.02 ordinary

equity swap

decreasing a long position

28.36

EUR 0.02 ordinary

equity swap

decreasing a long position

28.37

EUR 0.02 ordinary

equity swap

decreasing a long position

28.37

EUR 0.02 ordinary

equity swap

decreasing a long position

28.38

EUR 0.02 ordinary

equity swap

decreasing a long position

28.39

EUR 0.02 ordinary

equity swap

decreasing a long position

28.40

EUR 0.02 ordinary

equity swap

decreasing a long position

28.40

EUR 0.02 ordinary

equity swap

decreasing a long position

28.40

EUR 0.02 ordinary

equity swap

decreasing a long position

28.40

EUR 0.02 ordinary

equity swap

decreasing a long position

28.41

EUR 0.02 ordinary

equity swap

decreasing a long position

28.41

EUR 0.02 ordinary

equity swap

decreasing a long position

28.41

EUR 0.02 ordinary

equity swap

decreasing a long position

28.41

EUR 0.02 ordinary

equity swap

decreasing a long position

28.41

EUR 0.02 ordinary

equity swap

decreasing a long position

28.41

EUR 0.02 ordinary

equity swap

decreasing a long position

28.42

EUR 0.02 ordinary

equity swap

decreasing a long position

28.42

EUR 0.02 ordinary

equity swap

decreasing a long position

28.42

EUR 0.02 ordinary

equity swap

decreasing a long position

28.42

EUR 0.02 ordinary

equity swap

decreasing a long position

28.42

EUR 0.02 ordinary

equity swap

decreasing a long position

28.43

EUR 0.02 ordinary

equity swap

decreasing a long position

28.44

EUR 0.02 ordinary

equity swap

decreasing a long position

28.44

EUR 0.02 ordinary

equity swap

decreasing a long position

28.45

EUR 0.02 ordinary

equity swap

decreasing a long position

28.45

EUR 0.02 ordinary

equity swap

decreasing a long position

28.45

EUR 0.02 ordinary

equity swap

decreasing a long position

28.45

EUR 0.02 ordinary

equity swap

decreasing a long position

28.45

EUR 0.02 ordinary

equity swap

decreasing a long position

28.46

EUR 0.02 ordinary

equity swap

decreasing a long position

28.46

EUR 0.02 ordinary

equity swap

decreasing a long position

28.46

EUR 0.02 ordinary

equity swap

decreasing a long position

28.46

EUR 0.02 ordinary

equity swap

decreasing a long position

28.47

EUR 0.02 ordinary

equity swap

decreasing a long position

28.47

EUR 0.02 ordinary

equity swap

decreasing a long position

28.47

EUR 0.02 ordinary

equity swap

decreasing a long position

28.47

EUR 0.02 ordinary

equity swap

decreasing a long position

28.47

EUR 0.02 ordinary

equity swap

decreasing a long position

28.47

EUR 0.02 ordinary

equity swap

decreasing a long position

28.47

EUR 0.02 ordinary

equity swap

decreasing a long position

28.48

EUR 0.02 ordinary

equity swap

decreasing a long position

28.48

EUR 0.02 ordinary

equity swap

decreasing a long position

28.49

EUR 0.02 ordinary

equity swap

decreasing a long position

28.49

EUR 0.02 ordinary

equity swap

decreasing a long position

28.49

EUR 0.02 ordinary

equity swap

decreasing a long position

28.50

EUR 0.02 ordinary

equity swap

decreasing a long position

28.50

EUR 0.02 ordinary

equity swap

decreasing a long position

28.51

EUR 0.02 ordinary

equity swap

decreasing a long position

28.51

EUR 0.02 ordinary

equity swap

decreasing a long position

28.52

EUR 0.02 ordinary

equity swap

decreasing a long position

28.53

EUR 0.02 ordinary

equity swap

decreasing a long position

28.53

EUR 0.02 ordinary

equity swap

decreasing a long position

28.54

EUR 0.02 ordinary

equity swap

decreasing a long position

28.54

EUR 0.02 ordinary

equity swap

decreasing a long position

28.55

EUR 0.02 ordinary

equity swap

decreasing a long position

277

28.56

EUR 0.02 ordinary

equity swap

decreasing a long position

28.59

EUR 0.02 ordinary

equity swap

decreasing a long position

1004

28.60

EUR 0.02 ordinary

equity swap

decreasing a long position

28.62

EUR 0.02 ordinary

equity swap

decreasing a long position

28.63

EUR 0.02 ordinary

equity swap

decreasing a long position

28.63

EUR 0.02 ordinary

equity swap

decreasing a long position

28.66

EUR 0.02 ordinary

equity swap

decreasing a long position

28.68

EUR 0.02 ordinary

equity swap

decreasing a long position

28.71

EUR 0.02 ordinary

equity swap

decreasing a long position

28.74

EUR 0.02 ordinary

equity swap

decreasing a long position

28.79

EUR 0.02 ordinary

equity swap

decreasing a long position

28.80

EUR 0.02 ordinary

equity swap

decreasing a long position

28.82

EUR 0.02 ordinary

equity swap

decreasing a long position

28.88

EUR 0.02 ordinary

equity swap

decreasing a long position

28.98

EUR 0.02 ordinary

equity swap

decreasing a long position

29.50

EUR 0.02 ordinary

equity swap

decreasing a long position

29.56

EUR 0.02 ordinary

equity swap

decreasing a short position

2174

27.92

EUR 0.02 ordinary

equity swap

decreasing a short position

803

28.12

EUR 0.02 ordinary

equity swap

decreasing a short position

2080

28.30

EUR 0.02 ordinary

equity swap

decreasing a short position

114

28.36

EUR 0.02 ordinary

equity swap

decreasing a short position

180

28.42

EUR 0.02 ordinary

equity swap

decreasing a short position

159

28.44

EUR 0.02 ordinary

equity swap

decreasing a short position

160

28.46

EUR 0.02 ordinary

equity swap

decreasing a short position

250

28.48

EUR 0.02 ordinary

equity swap

decreasing a short position

193

28.50

EUR 0.02 ordinary

equity swap

decreasing a short position

423

28.54

EUR 0.02 ordinary

equity swap

decreasing a short position

28.66

EUR 0.02 ordinary

equity swap

decreasing a short position

286

28.70

EUR 0.02 ordinary

equity swap

decreasing a short position

1505

28.92

EUR 0.02 ordinary

equity swap

decreasing a short position

408

28.96

EUR 0.02 ordinary

equity swap

decreasing a short position

199

29.06

EUR 0.02 ordinary

equity swap

decreasing a short position

29.10

EUR 0.02 ordinary

equity swap

decreasing a short position

229

29.12

EUR 0.02 ordinary

equity swap

decreasing a short position

175

29.16

EUR 0.02 ordinary

equity swap

decreasing a short position

195

29.38

EUR 0.02 ordinary

equity swap

increasing a long position

8824

27.92

EUR 0.02 ordinary

equity swap

increasing a long position

280

28.00

EUR 0.02 ordinary

equity swap

increasing a long position

28.02

EUR 0.02 ordinary

equity swap

increasing a long position

28.03

EUR 0.02 ordinary

equity swap

increasing a long position

502

28.06

EUR 0.02 ordinary

equity swap

increasing a long position

226

28.08

EUR 0.02 ordinary

equity swap

increasing a long position

28.09

EUR 0.02 ordinary

equity swap

increasing a long position

28.09

EUR 0.02 ordinary

equity swap

increasing a long position

28.10

EUR 0.02 ordinary

equity swap

increasing a long position

596

28.10

EUR 0.02 ordinary

equity swap

increasing a long position

28.11

EUR 0.02 ordinary

equity swap

increasing a long position

471

28.12

EUR 0.02 ordinary

equity swap

increasing a long position

433

28.30

EUR 0.02 ordinary

equity swap

increasing a long position

877

28.31

EUR 0.02 ordinary

equity swap

increasing a long position

542

28.32

EUR 0.02 ordinary

equity swap

increasing a long position

2537

28.34

EUR 0.02 ordinary

equity swap

increasing a long position

28.35

EUR 0.02 ordinary

equity swap

increasing a long position

3116

28.36

EUR 0.02 ordinary

equity swap

increasing a long position

28.36

EUR 0.02 ordinary

equity swap

increasing a long position

28.37

EUR 0.02 ordinary

equity swap

increasing a long position

28.37

EUR 0.02 ordinary

equity swap

increasing a long position

28.37

EUR 0.02 ordinary

equity swap

increasing a long position

28.39

EUR 0.02 ordinary

equity swap

increasing a long position

28.40

EUR 0.02 ordinary

equity swap

increasing a long position

1673

28.40

EUR 0.02 ordinary

equity swap

increasing a long position

28.41

EUR 0.02 ordinary

equity swap

increasing a long position

878

28.41

EUR 0.02 ordinary

equity swap

increasing a long position

28.41

EUR 0.02 ordinary

equity swap

increasing a long position

28.41

EUR 0.02 ordinary

equity swap

increasing a long position

28.41

EUR 0.02 ordinary

equity swap

increasing a long position

28.42

EUR 0.02 ordinary

equity swap

increasing a long position

28.42

EUR 0.02 ordinary

equity swap

increasing a long position

388

28.42

EUR 0.02 ordinary

equity swap

increasing a long position

28.42

EUR 0.02 ordinary

equity swap

increasing a long position

28.42

EUR 0.02 ordinary

equity swap

increasing a long position

28.43

EUR 0.02 ordinary

equity swap

increasing a long position

28.43

EUR 0.02 ordinary

equity swap

increasing a long position

1662

28.44

EUR 0.02 ordinary

equity swap

increasing a long position

574

28.45

EUR 0.02 ordinary

equity swap

increasing a long position

28.45

EUR 0.02 ordinary

equity swap

increasing a long position

1522

28.46

EUR 0.02 ordinary

equity swap

increasing a long position

28.47

EUR 0.02 ordinary

equity swap

increasing a long position

28.47

EUR 0.02 ordinary

equity swap

increasing a long position

28.47

EUR 0.02 ordinary

equity swap

increasing a long position

28.47

EUR 0.02 ordinary

equity swap

increasing a long position

28.47

EUR 0.02 ordinary

equity swap

increasing a long position

999

28.48

EUR 0.02 ordinary

equity swap

increasing a long position

28.48

EUR 0.02 ordinary

equity swap

increasing a long position

28.50

EUR 0.02 ordinary

equity swap

increasing a long position

1095

28.50

EUR 0.02 ordinary

equity swap

increasing a long position

28.51

EUR 0.02 ordinary

equity swap

increasing a long position

482

28.51

EUR 0.02 ordinary

equity swap

increasing a long position

28.52

EUR 0.02 ordinary

equity swap

increasing a long position

1073

28.52

EUR 0.02 ordinary

equity swap

increasing a long position

911

28.54

EUR 0.02 ordinary

equity swap

increasing a long position

461

28.56

EUR 0.02 ordinary

equity swap

increasing a long position

28.57

EUR 0.02 ordinary

equity swap

increasing a long position

371

28.60

EUR 0.02 ordinary

equity swap

increasing a long position

111

28.62

EUR 0.02 ordinary

equity swap

increasing a long position

422

28.64

EUR 0.02 ordinary

equity swap

increasing a long position

111

28.66

EUR 0.02 ordinary

equity swap

increasing a long position

1587

28.70

EUR 0.02 ordinary

equity swap

increasing a long position

28.78

EUR 0.02 ordinary

equity swap

increasing a long position

1717

28.80

EUR 0.02 ordinary

equity swap

increasing a long position

439

28.82

EUR 0.02 ordinary

equity swap

increasing a long position

494

28.86

EUR 0.02 ordinary

equity swap

increasing a long position

112

28.89

EUR 0.02 ordinary

equity swap

increasing a long position

207

28.90

EUR 0.02 ordinary

equity swap

increasing a long position

181

28.92

EUR 0.02 ordinary

equity swap

increasing a long position

296

28.93

EUR 0.02 ordinary

equity swap

increasing a long position

420

28.94

EUR 0.02 ordinary

equity swap

increasing a long position

386

28.96

EUR 0.02 ordinary

equity swap

increasing a long position

511

28.97

EUR 0.02 ordinary

equity swap

increasing a long position

1390

28.98

EUR 0.02 ordinary

equity swap

increasing a long position

993

29.00

EUR 0.02 ordinary

equity swap

increasing a long position

29.00

EUR 0.02 ordinary

equity swap

increasing a long position

407

29.01

EUR 0.02 ordinary

equity swap

increasing a long position

29.01

EUR 0.02 ordinary

equity swap

increasing a long position

29.02

EUR 0.02 ordinary

equity swap

increasing a long position

2613

29.02

EUR 0.02 ordinary

equity swap

increasing a long position

29.03

EUR 0.02 ordinary

equity swap

increasing a long position

425

29.04

EUR 0.02 ordinary

equity swap

increasing a long position

29.04

EUR 0.02 ordinary

equity swap

increasing a long position

29.05

EUR 0.02 ordinary

equity swap

increasing a long position

491

29.06

EUR 0.02 ordinary

equity swap

increasing a long position

655

29.08

EUR 0.02 ordinary

equity swap

increasing a long position

681

29.10

EUR 0.02 ordinary

equity swap

increasing a long position

344

29.11

EUR 0.02 ordinary

equity swap

increasing a long position

501

29.12

EUR 0.02 ordinary

equity swap

increasing a long position

211

29.14

EUR 0.02 ordinary

equity swap

increasing a long position

318

29.16

EUR 0.02 ordinary

equity swap

increasing a short position

610

28.08

EUR 0.02 ordinary

equity swap

increasing a short position

1000

28.12

EUR 0.02 ordinary

equity swap

increasing a short position

1120

28.30

EUR 0.02 ordinary

equity swap

increasing a short position

211

28.32

EUR 0.02 ordinary

equity swap

increasing a short position

981

28.34

EUR 0.02 ordinary

equity swap

increasing a short position

28.36

EUR 0.02 ordinary

equity swap

increasing a short position

28.40

EUR 0.02 ordinary

equity swap

increasing a short position

28.42

EUR 0.02 ordinary

equity swap

increasing a short position

368

28.44

EUR 0.02 ordinary

equity swap

increasing a short position

3439

28.46

EUR 0.02 ordinary

equity swap

increasing a short position

1947

28.48

EUR 0.02 ordinary

equity swap

increasing a short position

2238

28.50

EUR 0.02 ordinary

equity swap

increasing a short position

101

28.54

EUR 0.02 ordinary

equity swap

increasing a short position

148

28.56

EUR 0.02 ordinary

equity swap

increasing a short position

350

28.64

EUR 0.02 ordinary

equity swap

increasing a short position

114

28.66

EUR 0.02 ordinary

equity swap

increasing a short position

347

28.78

EUR 0.02 ordinary

equity swap

increasing a short position

294

28.88

EUR 0.02 ordinary

equity swap

increasing a short position

232

28.94

EUR 0.02 ordinary

equity swap

increasing a short position

489

29.02

EUR 0.02 ordinary

equity swap

increasing a short position

410

29.04

EUR 0.02 ordinary

equity swap

increasing a short position

104

29.06

EUR 0.02 ordinary

equity swap

increasing a short position

29.10

(i) Writing, selling, purchasing or varying

Class of relevant security

Product description e.g. call option

Writing, purchasing, selling, varying etc.

Number of securities to which option relates

Exercise price per unit (CCY0)

Type

e.g. American, European etc.

Expiry date

Option money paid/ received per unit

(CCY0)

(ii) Exercise

Class of relevant security

Product description

e.g. call option

Exercising/ exercised against

Number of securities

Exercise price per unit

(d) Other dealings (including subscribing for new securities)

Class of relevant security

Nature of dealing

e.g. subscription, conversion

Details

Price per unit (if applicable)

4. OTHER INFORMATION

(a) Indemnity and other dealing arrangements

Details of any indemnity or option arrangement, or any agreement or understanding, formal or informal, relating to relevant securities which may be an inducement to deal or refrain from dealing entered into by the person making the disclosure and any party to the offer or any person acting in concert with a party to the offer:

Irrevocable commitments and letters of intent should not be included. If there are no such agreements, arrangements or understandings, state “none”

None

(b) Agreements, arrangements or understandings relating to options or derivatives

Details of any agreement, arrangement or understanding, formal or informal, between the person making the disclosure and any other person relating to:

(i) the voting rights of any relevant securities under any option; or

(ii) the voting rights or future acquisition or disposal of any relevant securities to which any derivative is referenced:

If there are no such agreements, arrangements or understandings, state “none”

None

Is a Supplemental Form 8 (Open Positions) attached?

YES

Date of disclosure:

21-07-2026

Contact name:

Janice Falcao

Telephone number:

00442033140679

Public disclosures under Rule 8 of the Code must be made to a Regulatory Information Service.

The Panel’s Market Surveillance Unit is available for consultation in relation to the Code’s disclosure requirements on +44 (0)20 7638 0129. The Code can be viewed on the Panel’s website at www.thetakeoverpanel.org.uk.

SUPPLEMENTAL FORM 8 (OPEN POSITIONS)

DETAILS OF OPEN STOCK-SETTLED DERIVATIVE (INCLUDING OPTION) POSITIONS, AGREEMENTS TO PURCHASE OR SELL ETC.

Note 5(i) on Rule 8 of the Takeover Code (the “Code”)

1. KEY INFORMATION

Full name of person making disclosure:

Qube Research & Technologies Limited

Name of offeror/offeree in relation to whose relevant securities the disclosure relates:

AMG Critical Materials N.V.

2. STOCK-SETTLED DERIVATIVES (INCLUDING OPTIONS)

Class of relevant security

Product description e.g. call option

Written or purchased

Number of securities to which option or derivative relates

Exercise price per unit

Type

e.g. American, European etc.

Expiry date

EUR 0.02 ordinary

Put Option

Purchased

16900

EUR 26

American

09/18/26

EUR 0.02 ordinary

Call Option

Purchased

19000

EUR 34

American

08/21/26

EUR 0.02 ordinary

Put Option

Purchased

6500

EUR 29

American

08/21/26

EUR 0.02 ordinary

Put Option

Purchased

2300

EUR 28

American

08/21/26

EUR 0.02 ordinary

Call Option

Purchased

300

EUR 31

American

09/18/26

EUR 0.02 ordinary

Call Option

Purchased

3000

EUR 36

American

09/18/26

EUR 0.02 ordinary

Call Option

Purchased

800

EUR 35

American

08/21/26

EUR 0.02 ordinary

Put Option

Purchased

21700

EUR 28

American

09/18/26

EUR 0.02 ordinary

Call Option

Purchased

5400

EUR 35

American

09/18/26

EUR 0.02 ordinary

Put Option

Purchased

1800

EUR 30

American

08/21/26

EUR 0.02 ordinary

Put Option

Purchased

3200

EUR 31

American

08/21/26

EUR 0.02 ordinary

Call Option

Purchased

100

EUR 37

American

09/18/26

EUR 0.02 ordinary

Call Option

Purchased

1300

EUR 33

American

08/21/26

EUR 0.02 ordinary

Call Option

Purchased

2200

EUR 34

American

09/18/26

EUR 0.02 ordinary

Put Option

Purchased

2400

EUR 31

American

09/18/26

EUR 0.02 ordinary

Call Option

Purchased

300

EUR 36

American

08/21/26

EUR 0.02 ordinary

Put Option

Purchased

300

EUR 27

American

08/21/26

EUR 0.02 ordinary

Put Option

Purchased

300

EUR 30

American

09/18/26

EUR 0.02 ordinary

Put Option

Purchased

1600

EUR 29

American

09/18/26

3. AGREEMENTS TO PURCHASE OR SELL ETC.

Full details should be given so that the nature of the interest or position can be fully understood:

It is not necessary to provide details on a Supplemental Form (Open Positions) with regard to cash-settled derivatives.

The currency of all prices and other monetary amounts should be stated.

The Panel’s Market Surveillance Unit is available for consultation in relation to the Code’s disclosure requirements on +44 (0)20 7638 0129.

The Code can be viewed on the Panel’s website at www.thetakeoverpanel.org.uk.