RNS Number : 2076N Citadel Group 21 July 2026  

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:

Citadel Group

(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.

N/A

(c) Name of offeror/offeree in relation to whose relevant securities this form relates:

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:

N/A

(e) Date position held/dealing undertaken:

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

20 July 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"

NO

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:

ISIN NL0000888691

EUR 0.02 ordinary

Interests

Short positions

Number

%

Number

%

(1) Relevant securities owned and/or controlled:

2,946

0.00

16,185

0.04

(2) Cash-settled derivatives:

628,539

1.74

14

0.00

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

0

0.00

0

0.00

TOTAL:

631,485

1.75

16,199

0.04

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:

N/A

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

N/A

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

Common

Buy Transaction

115

27.8400 EUR

Common

Buy Transaction

23

27.8600 EUR

Common

Buy Transaction

9,273

27.9200 EUR

Common

Buy Transaction

310

27.9600 EUR

Common

Buy Transaction

188

28.0000 EUR

Common

Buy Transaction

565

28.0200 EUR

Common

Buy Transaction

421

28.0300 EUR

Common

Buy Transaction

95

28.0400 EUR

Common

Buy Transaction

1,002

28.0600 EUR

Common

Buy Transaction

1,573

28.0800 EUR

Common

Buy Transaction

675

28.1000 EUR

Common

Buy Transaction

2,315

28.1200 EUR

Common

Buy Transaction

480

28.1600 EUR

Common

Buy Transaction

207

28.2800 EUR

Common

Buy Transaction

95

28.3000 EUR

Common

Buy Transaction

180

28.3200 EUR

Common

Buy Transaction

360

28.3300 EUR

Common

Buy Transaction

583

28.3400 EUR

Common

Buy Transaction

2,391

28.3600 EUR

Common

Buy Transaction

1,165

28.3800 EUR

Common

Buy Transaction

2,552

28.4000 EUR

Common

Buy Transaction

360

28.4100 EUR

Common

Buy Transaction

961

28.4200 EUR

Common

Buy Transaction

1,511

28.4400 EUR

Common

Buy Transaction

594

28.4600 EUR

Common

Buy Transaction

1,939

28.4800 EUR

Common

Buy Transaction

180

28.4900 EUR

Common

Buy Transaction

1,165

28.5000 EUR

Common

Buy Transaction

132

28.5200 EUR

Common

Buy Transaction

727

28.5400 EUR

Common

Buy Transaction

72

28.5600 EUR

Common

Buy Transaction

203

28.5800 EUR

Common

Buy Transaction

228

28.6000 EUR

Common

Buy Transaction

215

28.6200 EUR

Common

Buy Transaction

60

28.6400 EUR

Common

Buy Transaction

382

28.7000 EUR

Common

Buy Transaction

108

28.7200 EUR

Common

Buy Transaction

216

28.7800 EUR

Common

Buy Transaction

213

28.8000 EUR

Common

Buy Transaction

560

28.8200 EUR

Common

Buy Transaction

75

28.8800 EUR

Common

Buy Transaction

495

28.9000 EUR

Common

Buy Transaction

210

28.9200 EUR

Common

Buy Transaction

368

28.9400 EUR

Common

Buy Transaction

153

28.9600 EUR

Common

Buy Transaction

997

28.9800 EUR

Common

Buy Transaction

261

29.0000 EUR

Common

Buy Transaction

884

29.0200 EUR

Common

Buy Transaction

652

29.0400 EUR

Common

Buy Transaction

427

29.0600 EUR

Common

Buy Transaction

3,752

29.0800 EUR

Common

Buy Transaction

1,000

29.1000 EUR

Common

Buy Transaction

139

29.1200 EUR

Common

Buy Transaction

159

29.1400 EUR

Common

Buy Transaction

397

29.2200 EUR

Common

Buy Transaction

21

29.3200 EUR

Common

Buy Transaction

75

29.4200 EUR

Common

Buy Transaction

75

29.5400 EUR

Common

Buy Transaction

75

29.6000 EUR

Common

Buy Transaction

22

29.6800 EUR

Common

Sell Transaction

84

27.8400 EUR

Common

Sell Transaction

462

27.8800 EUR

Common

Sell Transaction

167

27.9000 EUR

Common

Sell Transaction

3,108

27.9200 EUR

Common

Sell Transaction

176

27.9400 EUR

Common

Sell Transaction

221

27.9600 EUR

Common

Sell Transaction

25

27.9800 EUR

Common

Sell Transaction

8

28.0200 EUR

Common

Sell Transaction

70

28.0400 EUR

Common

Sell Transaction

558

28.0500 EUR

Common

Sell Transaction

2,915

28.0600 EUR

Common

Sell Transaction

502

28.0800 EUR

Common

Sell Transaction

255

28.1000 EUR

Common

Sell Transaction

580

28.1200 EUR

Common

Sell Transaction

36

28.1400 EUR

Common

Sell Transaction

100

28.1600 EUR

Common

Sell Transaction

212

28.1800 EUR

Common

Sell Transaction

59

28.2600 EUR

Common

Sell Transaction

1,534

28.2800 EUR

Common

Sell Transaction

281

28.3000 EUR

Common

Sell Transaction

75

28.3200 EUR

Common

Sell Transaction

1,303

28.3400 EUR

Common

Sell Transaction

10

28.3700 EUR

Common

Sell Transaction

456

28.3800 EUR

Common

Sell Transaction

485

28.4000 EUR

Common

Sell Transaction

1,501

28.4200 EUR

Common

Sell Transaction

2,249

28.4400 EUR

Common

Sell Transaction

2,179

28.4600 EUR

Common

Sell Transaction

7

28.4700 EUR

Common

Sell Transaction

507

28.4800 EUR

Common

Sell Transaction

1,273

28.5000 EUR

Common

Sell Transaction

294

28.5200 EUR

Common

Sell Transaction

1,168

28.5400 EUR

Common

Sell Transaction

226

28.5600 EUR

Common

Sell Transaction

669

28.5800 EUR

Common

Sell Transaction

287

28.6000 EUR

Common

Sell Transaction

50

28.6100 EUR

Common

Sell Transaction

487

28.6200 EUR

Common

Sell Transaction

151

28.6400 EUR

Common

Sell Transaction

544

28.7000 EUR

Common

Sell Transaction

82

28.7200 EUR

Common

Sell Transaction

78

28.7600 EUR

Common

Sell Transaction

272

28.7800 EUR

Common

Sell Transaction

83

28.8200 EUR

Common

Sell Transaction

181

28.8400 EUR

Common

Sell Transaction

1,383

28.8800 EUR

Common

Sell Transaction

848

28.9000 EUR

Common

Sell Transaction

152

28.9200 EUR

Common

Sell Transaction

108

28.9400 EUR

Common

Sell Transaction

239

28.9800 EUR

Common

Sell Transaction

552

29.0000 EUR

Common

Sell Transaction

1,054

29.0200 EUR

Common

Sell Transaction

804

29.0400 EUR

Common

Sell Transaction

630

29.0600 EUR

Common

Sell Transaction

392

29.0800 EUR

Common

Sell Transaction

2,384

29.1000 EUR

Common

Sell Transaction

729

29.1200 EUR

Common

Sell Transaction

247

29.1400 EUR

Common

Sell Transaction

173

29.1600 EUR

Common

Sell Transaction

108

29.1800 EUR

Common

Sell Transaction

18

29.4000 EUR

Common

Sell Transaction

186

29.4400 EUR

Common

Sell Transaction

92

29.5400 EUR

(b)        Cash-settled derivative transactions

Class of relevant security

Product description

e.g. CFD

Nature of dealing

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

Number of reference securities

Price per unit

Common

CFD

Increasing long position

5,679

27.9200 EUR

Common

CFD

Increasing long position

10,904

28.4714 EUR

Common

CFD

Reducing long position

23

28.5000 EUR

Common

CFD

Reducing long position

17,300

28.7541 EUR

Common

CFD

Reducing long position

4,415

29.0923 EUR

(c)        Stock-settled derivative transactions (including options)

(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

  • Type

    e.g. American, European etc.

  • Expiry date

  • Option money paid/ received per unit

(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

(c)        Attachments

  • Is a Supplemental Form 8 (Open Positions) attached?

  • NO

Date of disclosure:

21 July 2026

Contact name:

Paula Santos

Telephone number*:

020 7645 9700

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.

*If the discloser is a natural person, a telephone number does not need to be included, provided contact information has been provided to the Panel's Market Surveillance Unit.

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

This information is provided by RNS, the news service of the London Stock Exchange. RNS is approved by the Financial Conduct Authority to act as a Primary Information Provider in the United Kingdom. Terms and conditions relating to the use and distribution of this information may apply. For further information, please contact [email protected] or visit www.rns.com.

RNS may use your IP address to confirm compliance with the terms and conditions, to analyse how you engage with the information contained in this communication, and to share such analysis on an anonymised basis with others as part of our commercial services. For further information about how RNS and the London Stock Exchange use the personal data you provide us, please see our Privacy Policy.  END  RETAKDBDFBKKQOB