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: 22 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: 1,001,244 2.78% 121,263 0.34% | (2) Cash-settled derivatives: | 122,731 0.34% 981,297 2.73% | (3) Stock-settled derivatives (including options) | and agreements to purchase/sell: 0 0.00% 0 0.00% | TOTAL: 1,123,975 3.12% 1,102,560 3.06% | (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 45,460 28.0319 EUR | EUR 0.02 ordinary Purchase 19,929 28.0352 EUR | EUR 0.02 ordinary Purchase 15,612 27.8235 EUR | EUR 0.02 ordinary Purchase 8,669 28.0431 EUR | EUR 0.02 ordinary Purchase 7,137 28.0534 EUR | EUR 0.02 ordinary Purchase 5,386 28.0452 EUR | EUR 0.02 ordinary Purchase 5,192 28.0536 EUR | EUR 0.02 ordinary Purchase 5,103 28.0045 EUR | EUR 0.02 ordinary Purchase 2,767 27.6800 EUR | EUR 0.02 ordinary Purchase 1,888 27.7604 EUR | EUR 0.02 ordinary Purchase 1,864 28.1955 EUR | EUR 0.02 ordinary Purchase 1,502 28.0282 EUR | EUR 0.02 ordinary Purchase 1,389 28.1083 EUR | EUR 0.02 ordinary Purchase 1,296 27.7289 EUR | EUR 0.02 ordinary Purchase 1,196 28.0384 EUR | EUR 0.02 ordinary Purchase 1,022 28.1059 EUR | EUR 0.02 ordinary Purchase 1,001 27.7434 EUR | EUR 0.02 ordinary Purchase 946 28.0195 EUR | EUR 0.02 ordinary Purchase 632 28.0846 EUR | EUR 0.02 ordinary Purchase 508 28.0671 EUR | EUR 0.02 ordinary Purchase 330 28.0694 EUR | EUR 0.02 ordinary Purchase 326 27.6811 EUR | EUR 0.02 ordinary Purchase 282 27.8100 EUR | EUR 0.02 ordinary Purchase 270 28.1128 EUR | EUR 0.02 ordinary Purchase 217 28.0123 EUR | EUR 0.02 ordinary Purchase 180 28.2400 EUR | EUR 0.02 ordinary Purchase 144 28.1225 EUR | EUR 0.02 ordinary Purchase 90 27.9944 EUR | EUR 0.02 ordinary Purchase 87 27.9848 EUR | EUR 0.02 ordinary Purchase 15 28.0426 EUR | EUR 0.02 ordinary Purchase 14 28.0428 EUR | EUR 0.02 ordinary Purchase 9 27.6744 EUR | EUR 0.02 ordinary Purchase 8 28.2200 EUR | EUR 0.02 ordinary Purchase 1 28.0000 EUR | EUR 0.02 ordinary Sale 15,237 28.0419 EUR | EUR 0.02 ordinary Sale 14,429 28.0455 EUR | EUR 0.02 ordinary Sale 13,445 28.0418 EUR | EUR 0.02 ordinary Sale 10,772 28.0452 EUR | EUR 0.02 ordinary Sale 10,348 28.0537 EUR | EUR 0.02 ordinary Sale 9,232 27.9921 EUR | EUR 0.02 ordinary Sale 8,669 28.0431 EUR | EUR 0.02 ordinary Sale 7,806 27.8235 EUR | EUR 0.02 ordinary Sale 7,218 28.0457 EUR | EUR 0.02 ordinary Sale 5,469 27.6800 EUR | EUR 0.02 ordinary Sale 3,776 27.7604 EUR | EUR 0.02 ordinary Sale 2,778 28.1083 EUR | EUR 0.02 ordinary Sale 2,368 27.9800 EUR | EUR 0.02 ordinary Sale 1,589 28.0730 EUR | EUR 0.02 ordinary Sale 1,504 28.0601 EUR | EUR 0.02 ordinary Sale 1,296 27.7289 EUR | EUR 0.02 ordinary Sale 1,196 28.0392 EUR | EUR 0.02 ordinary Sale 1,025 27.7979 EUR | EUR 0.02 ordinary Sale 984 28.0962 EUR | EUR 0.02 ordinary Sale 932 28.1955 EUR | EUR 0.02 ordinary Sale 884 28.0917 EUR | EUR 0.02 ordinary Sale 829 28.0161 EUR | EUR 0.02 ordinary Sale 782 28.0906 EUR | EUR 0.02 ordinary Sale 622 28.2100 EUR | EUR 0.02 ordinary Sale 622 28.0500 EUR | EUR 0.02 ordinary Sale 540 28.1128 EUR | EUR 0.02 ordinary Sale 340 28.0600 EUR | EUR 0.02 ordinary Sale 333 27.9578 EUR | EUR 0.02 ordinary Sale 311 28.0700 EUR | EUR 0.02 ordinary Sale 233 28.0732 EUR | EUR 0.02 ordinary Sale 231 27.9775 EUR | EUR 0.02 ordinary Sale 174 27.9848 EUR | EUR 0.02 ordinary Sale 117 28.1200 EUR | EUR 0.02 ordinary Sale 116 28.1000 EUR | EUR 0.02 ordinary Sale 84 28.0100 EUR | EUR 0.02 ordinary Sale 70 27.7125 EUR | EUR 0.02 ordinary Sale 36 28.0077 EUR | EUR 0.02 ordinary Sale 4 28.2200 EUR | EUR 0.02 ordinary Sale 1 28.0800 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 70 27.7125 EUR | EUR 0.02 ordinary CFD Increasing Short 5,473 27.6841 EUR | EUR 0.02 ordinary CFD Increasing Short 852 28.0534 EUR | EUR 0.02 ordinary CFD Increasing Short 3,410 28.1523 EUR | EUR 0.02 ordinary CFD Closing Short 340 28.0600 EUR | EUR 0.02 ordinary SWAP Increasing Long 534 28.0117 EUR | EUR 0.02 ordinary SWAP Decreasing Short 2,987 27.6800 EUR | EUR 0.02 ordinary SWAP Decreasing Short 333 27.9578 EUR | EUR 0.02 ordinary SWAP Increasing Short 326 27.6811 EUR | EUR 0.02 ordinary SWAP Opening Long 2,090 27.9031 EUR | EUR 0.02 ordinary SWAP Increasing Short 361 28.0562 EUR | EUR 0.02 ordinary CFD Decreasing Short 1,441 27.6791 EUR | EUR 0.02 ordinary SWAP Increasing Short 5,103 28.0045 EUR | EUR 0.02 ordinary SWAP Increasing Short 15 28.0426 EUR | EUR 0.02 ordinary SWAP Decreasing Short 4 28.1000 EUR | EUR 0.02 ordinary SWAP Decreasing Short 270 28.1128 EUR | EUR 0.02 ordinary SWAP Increasing Short 2 27.6800 EUR | EUR 0.02 ordinary SWAP Decreasing Short 317 28.0564 EUR | EUR 0.02 ordinary SWAP Increasing Short 1,276 28.0324 EUR | EUR 0.02 ordinary SWAP Decreasing Short 15,237 28.0419 EUR | EUR 0.02 ordinary SWAP Increasing Short 1,022 28.1059 EUR | EUR 0.02 ordinary SWAP Increasing Short 7,137 28.0534 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: 23 Jul 2026 | Contact name: Large Holdings Regulatory Operations | Telephone number: 020 3134 7213 |
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