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: Barclays PLC. | (b) Owner or controller of interest and short | positions disclosed, if different from 1(a): | (c) Name of offeror/offeree in relation to whose AMG LITHIUM B.V. (A DIRECT WHOLLY-OWNED SUBSIDIARY OF AMG CRITICAL MATERIALS N.V.) | relevant securities this form relates: | (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: 27 Jul 2026 | (f) In addition to the company in 1(c) above, is the discloser making YES: | disclosures in respect of any other party to the offer? ZINNWALD LITHIUM PLC | 2. POSITIONS OF THE PERSON MAKING THE DISCLOSURE | (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 (%) Number (%) | (1) Relevant securities owned | and/or controlled: 1,004,810 2.79% 122,653 0.34% | (2) Cash-settled derivatives: | 126,091 0.35% 987,093 2.74% | (3) Stock-settled derivatives (including options) | and agreements to purchase/sell: 0 0.00% 0 0.00% | TOTAL: 1,130,901 3.14% 1,109,746 3.08% | (b) Rights to subscribe for new securities (including directors and other executive | 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 | (a) Purchases and sales | Class of relevant Purchase/sale Number of Price per unit | security securities | EUR 0.02 ordinary Purchase 5,661 27.0800 EUR | EUR 0.02 ordinary Purchase 4,968 26.9360 EUR | EUR 0.02 ordinary Purchase 3,256 26.8600 EUR | EUR 0.02 ordinary Purchase 1,743 26.9075 EUR | EUR 0.02 ordinary Purchase 1,647 27.0612 EUR | EUR 0.02 ordinary Purchase 1,113 27.0669 EUR | EUR 0.02 ordinary Purchase 713 26.9463 EUR | EUR 0.02 ordinary Purchase 664 27.1432 EUR | EUR 0.02 ordinary Purchase 605 26.7200 EUR | EUR 0.02 ordinary Purchase 446 26.9774 EUR | EUR 0.02 ordinary Purchase 395 26.8790 EUR | EUR 0.02 ordinary Purchase 272 26.8800 EUR | EUR 0.02 ordinary Purchase 248 26.7663 EUR | EUR 0.02 ordinary Purchase 194 26.7911 EUR | EUR 0.02 ordinary Purchase 148 26.9175 EUR | EUR 0.02 ordinary Purchase 131 26.8163 EUR | EUR 0.02 ordinary Purchase 130 27.0789 EUR | EUR 0.02 ordinary Purchase 107 26.8011 EUR | EUR 0.02 ordinary Purchase 80 27.0000 EUR | EUR 0.02 ordinary Purchase 75 26.9533 EUR | EUR 0.02 ordinary Purchase 25 27.0700 EUR | EUR 0.02 ordinary Purchase 6 26.9600 EUR | EUR 0.02 ordinary Purchase 5 26.9160 EUR | EUR 0.02 ordinary Sale 16,698 26.9168 EUR | EUR 0.02 ordinary Sale 8,837 27.0800 EUR | EUR 0.02 ordinary Sale 3,211 26.9405 EUR | EUR 0.02 ordinary Sale 2,484 26.9360 EUR | EUR 0.02 ordinary Sale 1,743 26.9075 EUR | EUR 0.02 ordinary Sale 1,325 27.0816 EUR | EUR 0.02 ordinary Sale 1,211 26.9064 EUR | EUR 0.02 ordinary Sale 1,210 26.7200 EUR | EUR 0.02 ordinary Sale 1,065 26.8441 EUR | EUR 0.02 ordinary Sale 784 27.0485 EUR | EUR 0.02 ordinary Sale 589 26.8501 EUR | EUR 0.02 ordinary Sale 532 26.9101 EUR | EUR 0.02 ordinary Sale 346 26.9000 EUR | EUR 0.02 ordinary Sale 313 27.0709 EUR | EUR 0.02 ordinary Sale 248 26.7663 EUR | EUR 0.02 ordinary Sale 223 26.9774 EUR | EUR 0.02 ordinary Sale 195 26.7517 EUR | EUR 0.02 ordinary Sale 188 26.9604 EUR | EUR 0.02 ordinary Sale 136 26.8800 EUR | EUR 0.02 ordinary Sale 107 26.8011 EUR | EUR 0.02 ordinary Sale 104 26.8000 EUR | EUR 0.02 ordinary Sale 86 26.9108 EUR | EUR 0.02 ordinary Sale 80 27.0000 EUR | EUR 0.02 ordinary Sale 53 26.8200 EUR | EUR 0.02 ordinary Sale 37 26.9600 EUR | EUR 0.02 ordinary Sale 25 26.9700 EUR | EUR 0.02 ordinary Sale 3 26.8400 EUR | EUR 0.02 ordinary Sale 1 26.9208 EUR | (b) Cash-settled derivative transactions | Class of Product Nature of dealing Number of Price per | relevant description reference unit | security securities | EUR 0.02 ordinary SWAP Opening Long 25 27.0800 EUR | EUR 0.02 ordinary SWAP Decreasing Short 58 26.8279 EUR | EUR 0.02 ordinary CFD Decreasing Short 3,485 27.0791 EUR | EUR 0.02 ordinary CFD Increasing Short 1,351 27.1110 EUR | EUR 0.02 ordinary CFD Increasing Short 2,620 26.9353 EUR | EUR 0.02 ordinary CFD Increasing Short 6 26.9600 EUR | EUR 0.02 ordinary SWAP Increasing Long 500 26.7178 EUR | EUR 0.02 ordinary SWAP Decreasing Short 1 26.9200 EUR | EUR 0.02 ordinary SWAP Opening Long 2,294 26.9344 EUR | EUR 0.02 ordinary SWAP Increasing Short 5 26.9160 EUR | EUR 0.02 ordinary SWAP Decreasing Short 188 26.9604 EUR | EUR 0.02 ordinary SWAP Increasing Short 100 26.9825 EUR | EUR 0.02 ordinary SWAP Decreasing Short 3,211 26.9405 EUR | EUR 0.02 ordinary SWAP Increasing Short 223 26.9774 EUR | EUR 0.02 ordinary SWAP Decreasing Short 25 26.9700 EUR | EUR 0.02 ordinary SWAP Decreasing Short 105 26.7200 EUR | EUR 0.02 ordinary SWAP Increasing Short 3,256 26.8600 EUR | EUR 0.02 ordinary SWAP Decreasing Short 1,102 26.8480 EUR | EUR 0.02 ordinary SWAP Decreasing Short 346 26.9000 EUR | EUR 0.02 ordinary SWAP Increasing Short 148 26.9175 EUR | EUR 0.02 ordinary SWAP Increasing Short 1,647 27.0612 EUR | EUR 0.02 ordinary SWAP Decreasing Short 16,698 26.9168 EUR | (c) Stock-settled derivative transactions (including options) | (i) Writing, selling, purchasing or varying | Class Product Writing, Number Exercise Type Expiry Option | of description purchasing, of price date money | relevant selling, securities per unit paid/ | security varying etc to which received | option per unit | relates | (ii) Exercise | Class of relevant Product description Exercising/ exercised against Number of Exercise price per | security securities unit | (d) Other dealings (including subscribing for new securities) | Class of relevant Nature of Dealings Details Price per unit (if | security applicable) | 4. OTHER INFORMATION | (a) Indemnity and other dealings 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 exempt principal trader making the disclosure and any party | to the offer or any person acting in concert with a party to the offer: | 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 of future acquisition or disposal of any relevant securities to which | any derivative is referenced: | NONE | (c) Attachments | Is a Supplemental Form 8 (Open Positions) attached? NO | Date of disclosure: 28 Jul 2026 | Contact name: Large Holdings Regulatory Operations | Telephone number: 020 3134 7213 |
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