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: 23 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: 1,043,787 2.90% 120,953 0.34% | (2) Cash-settled derivatives: | 123,272 0.34% 1,024,656 2.85% | (3) Stock-settled derivatives (including options) | and agreements to purchase/sell: 0 0.00% 0 0.00% | TOTAL: 1,167,059 3.24% 1,145,609 3.18% | (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 25,606 26.7800 EUR | EUR 0.02 ordinary Purchase 16,719 26.8672 EUR | EUR 0.02 ordinary Purchase 6,864 26.7853 EUR | EUR 0.02 ordinary Purchase 1,858 27.0686 EUR | EUR 0.02 ordinary Purchase 1,714 26.7809 EUR | EUR 0.02 ordinary Purchase 1,697 26.9599 EUR | EUR 0.02 ordinary Purchase 1,695 27.0140 EUR | EUR 0.02 ordinary Purchase 1,246 27.4159 EUR | EUR 0.02 ordinary Purchase 887 26.7907 EUR | EUR 0.02 ordinary Purchase 775 27.3249 EUR | EUR 0.02 ordinary Purchase 530 26.8123 EUR | EUR 0.02 ordinary Purchase 379 26.7746 EUR | EUR 0.02 ordinary Purchase 307 27.0669 EUR | EUR 0.02 ordinary Purchase 270 27.4600 EUR | EUR 0.02 ordinary Purchase 196 26.6681 EUR | EUR 0.02 ordinary Purchase 158 27.0613 EUR | EUR 0.02 ordinary Purchase 126 26.8598 EUR | EUR 0.02 ordinary Purchase 119 27.3756 EUR | EUR 0.02 ordinary Purchase 101 26.7413 EUR | EUR 0.02 ordinary Purchase 62 27.2000 EUR | EUR 0.02 ordinary Purchase 55 27.2527 EUR | EUR 0.02 ordinary Purchase 35 26.7754 EUR | EUR 0.02 ordinary Purchase 18 26.9522 EUR | EUR 0.02 ordinary Purchase 9 26.7577 EUR | EUR 0.02 ordinary Purchase 8 26.9400 EUR | EUR 0.02 ordinary Purchase 4 26.9500 EUR | EUR 0.02 ordinary Purchase 3 26.9800 EUR | EUR 0.02 ordinary Purchase 3 26.9791 EUR | EUR 0.02 ordinary Purchase 2 27.2400 EUR | EUR 0.02 ordinary Purchase 1 27.0572 EUR | EUR 0.02 ordinary Sale 7,496 27.1351 EUR | EUR 0.02 ordinary Sale 2,518 26.7800 EUR | EUR 0.02 ordinary Sale 1,774 26.7907 EUR | EUR 0.02 ordinary Sale 1,740 26.9398 EUR | EUR 0.02 ordinary Sale 1,487 26.9620 EUR | EUR 0.02 ordinary Sale 623 27.4159 EUR | EUR 0.02 ordinary Sale 614 27.0669 EUR | EUR 0.02 ordinary Sale 552 26.8422 EUR | EUR 0.02 ordinary Sale 270 27.4600 EUR | EUR 0.02 ordinary Sale 265 26.8123 EUR | EUR 0.02 ordinary Sale 238 27.3756 EUR | EUR 0.02 ordinary Sale 220 26.9401 EUR | EUR 0.02 ordinary Sale 202 26.7413 EUR | EUR 0.02 ordinary Sale 200 27.4000 EUR | EUR 0.02 ordinary Sale 195 27.3360 EUR | EUR 0.02 ordinary Sale 98 26.6681 EUR | EUR 0.02 ordinary Sale 62 27.3800 EUR | EUR 0.02 ordinary Sale 19 26.9589 EUR | EUR 0.02 ordinary Sale 9 26.9522 EUR | EUR 0.02 ordinary Sale 4 27.2400 EUR | EUR 0.02 ordinary Sale 4 26.9400 EUR | EUR 0.02 ordinary Sale 3 26.9800 EUR | EUR 0.02 ordinary Sale 1 26.8526 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 Decreasing Short 2 27.2400 EUR | EUR 0.02 ordinary CFD Increasing Short 1,452 27.0708 EUR | EUR 0.02 ordinary CFD Increasing Short 713 27.4236 EUR | EUR 0.02 ordinary CFD Opening Short 22,790 26.7800 EUR | EUR 0.02 ordinary CFD Increasing Short 55 27.2527 EUR | EUR 0.02 ordinary SWAP Increasing Long 541 26.8778 EUR | EUR 0.02 ordinary SWAP Increasing Short 2,885 26.7853 EUR | EUR 0.02 ordinary SWAP Increasing Short 1,714 26.7809 EUR | EUR 0.02 ordinary SWAP Increasing Short 3,858 26.7853 EUR | EUR 0.02 ordinary SWAP Increasing Short 121 26.7853 EUR | EUR 0.02 ordinary SWAP Decreasing Short 552 26.8422 EUR | EUR 0.02 ordinary CFD Decreasing Short 447 26.6695 EUR | EUR 0.02 ordinary SWAP Increasing Short 16,719 26.8672 EUR | EUR 0.02 ordinary SWAP Increasing Short 2 27.3000 EUR | EUR 0.02 ordinary SWAP Increasing Short 9 26.7577 EUR | EUR 0.02 ordinary SWAP Decreasing Short 62 27.3800 EUR | EUR 0.02 ordinary SWAP Decreasing Short 307 27.0669 EUR | EUR 0.02 ordinary SWAP Increasing Short 188 26.9720 EUR | EUR 0.02 ordinary SWAP Increasing Short 98 26.6681 EUR | EUR 0.02 ordinary SWAP Decreasing Short 7,496 27.1351 EUR | EUR 0.02 ordinary SWAP Decreasing Short 200 27.4000 EUR | EUR 0.02 ordinary SWAP Increasing Short 1,858 27.0686 EUR | EUR 0.02 ordinary SWAP Increasing Short 158 27.0612 EUR | EUR 0.02 ordinary SWAP Decreasing Short 195 27.3360 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: 24 Jul 2026 | Contact name: Large Holdings Regulatory Operations | Telephone number: 020 3134 7213 |
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