Rule 2.9 Announcement

FOR IMMEDIATE RELEASE

8 June 2026

AMG CRITICAL MATERIALS N.V.

RULE 2.9 ANNOUNCEMENT

In accordance with Rule 2.9 of the City Code on Takeovers and Mergers, AMG Critical Materials N.V. ("AMG") confirms that, as at the date and time of this announcement, it has in issue 35,754,580 ordinary shares of €0.02 each, each carrying one vote. AMG holds 156,439 ordinary shares in treasury. Accordingly, the total number of ordinary shares with voting rights is 35,598,141.

The International Securities Identification Number (ISIN) for the ordinary shares is NL0000888691. AMG's Legal Entity Identifier is 5493006MN6OH67U2YI74.

Enquiries:

Disclosure requirements of the Code

Under Rule 8.3(b) of the Code, any person who is, or becomes, interested in one per cent. or more of any class of relevant securities of the target company or of any securities exchange bidder must make a Dealing Disclosure if the person deals in any relevant securities of the target company or of any securities exchange bidder. A Dealing Disclosure must contain details of the dealing concerned and of the person's interests and short positions in, and rights to subscribe for, any relevant securities of each of: (i) the target company; and (ii) any securities exchange bidder(s), save to the extent that these details have previously been disclosed under Rule 8. A Dealing Disclosure by a person to whom Rule 8.3(b) applies must be made by no later than 3.30 p.m. on the Business Day following the date of the relevant dealing.

If two or more persons act together pursuant to an agreement or understanding, whether formal or informal, to acquire or control an interest in relevant securities of a target company or a securities exchange bidder, they shall be deemed to be a single person for the purpose of Rule 8.3.

Opening Position Disclosures must also be made by the target company and by any bidder and Dealing Disclosures must also be made by the target company, by any bidder and by any persons acting in concert with any of them (see Rules 8.1, 8.2 and 8.4).

Details of the target and bidder companies in respect of whose relevant securities Opening Position Disclosures and Dealing Disclosures must be made can be found in the Disclosure Table on the Panel's website at http://www.thetakeoverpanel.org.uk/, including details of the number of relevant securities in issue, when the offer period commenced and when any bidder was first identified. You should contact the Panel's Market Surveillance Unit on +44 (0)20 7638 0129 if you are in any doubt as to whether you are required to make an Opening Position Disclosure or a Dealing Disclosure.