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: 15 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: 947,865 2.63% 108,336 0.30% | (2) Cash-settled derivatives: | 112,419 0.31% 932,576 2.59% | (3) Stock-settled derivatives (including options) | and agreements to purchase/sell: 0 0.00% 0 0.00% | TOTAL: 1,060,284 2.95% 1,040,912 2.89% | (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 5,154 32.1174 EUR | EUR 0.02 ordinary Purchase 4,414 32.1199 EUR | EUR 0.02 ordinary Purchase 3,582 32.1685 EUR | EUR 0.02 ordinary Purchase 3,400 31.8960 EUR | EUR 0.02 ordinary Purchase 3,036 31.9252 EUR | EUR 0.02 ordinary Purchase 2,015 32.1800 EUR | EUR 0.02 ordinary Purchase 1,842 32.1478 EUR | EUR 0.02 ordinary Purchase 1,527 32.1735 EUR | EUR 0.02 ordinary Purchase 1,433 32.1564 EUR | EUR 0.02 ordinary Purchase 1,066 32.1689 EUR | EUR 0.02 ordinary Purchase 395 31.9427 EUR | EUR 0.02 ordinary Purchase 395 31.5330 EUR | EUR 0.02 ordinary Purchase 331 31.6082 EUR | EUR 0.02 ordinary Purchase 318 31.6200 EUR | EUR 0.02 ordinary Purchase 301 31.5006 EUR | EUR 0.02 ordinary Purchase 254 32.0823 EUR | EUR 0.02 ordinary Purchase 216 32.1600 EUR | EUR 0.02 ordinary Purchase 200 31.6900 EUR | EUR 0.02 ordinary Purchase 184 31.6976 EUR | EUR 0.02 ordinary Purchase 162 31.4600 EUR | EUR 0.02 ordinary Purchase 125 31.8200 EUR | EUR 0.02 ordinary Purchase 100 37.0000 EUR | EUR 0.02 ordinary Purchase 77 32.0791 EUR | EUR 0.02 ordinary Purchase 75 31.4400 EUR | EUR 0.02 ordinary Purchase 40 32.0510 EUR | EUR 0.02 ordinary Purchase 38 31.8700 EUR | EUR 0.02 ordinary Purchase 36 32.1255 EUR | EUR 0.02 ordinary Purchase 32 31.4800 EUR | EUR 0.02 ordinary Purchase 31 31.7000 EUR | EUR 0.02 ordinary Purchase 29 31.6800 EUR | EUR 0.02 ordinary Purchase 24 31.6600 EUR | EUR 0.02 ordinary Purchase 23 31.6000 EUR | EUR 0.02 ordinary Purchase 20 32.1959 EUR | EUR 0.02 ordinary Purchase 12 32.0200 EUR | EUR 0.02 ordinary Purchase 9 32.0222 EUR | EUR 0.02 ordinary Purchase 5 32.2400 EUR | EUR 0.02 ordinary Purchase 4 31.8500 EUR | EUR 0.02 ordinary Purchase 4 32.2200 EUR | EUR 0.02 ordinary Purchase 3 32.3000 EUR | EUR 0.02 ordinary Purchase 1221 31.5534 EUR | EUR 0.02 ordinary Sale 6,753 31.9539 EUR | EUR 0.02 ordinary Sale 3,582 32.1685 EUR | EUR 0.02 ordinary Sale 3,400 31.8960 EUR | EUR 0.02 ordinary Sale 3,400 32.1800 EUR | EUR 0.02 ordinary Sale 3,225 32.1672 EUR | EUR 0.02 ordinary Sale 3,000 31.8966 EUR | EUR 0.02 ordinary Sale 2,577 32.1174 EUR | EUR 0.02 ordinary Sale 921 32.1478 EUR | EUR 0.02 ordinary Sale 790 31.5330 EUR | EUR 0.02 ordinary Sale 406 31.5771 EUR | EUR 0.02 ordinary Sale 313 31.5067 EUR | EUR 0.02 ordinary Sale 251 32.0662 EUR | EUR 0.02 ordinary Sale 232 31.4500 EUR | EUR 0.02 ordinary Sale 225 31.6200 EUR | EUR 0.02 ordinary Sale 184 31.6400 EUR | EUR 0.02 ordinary Sale 162 31.4600 EUR | EUR 0.02 ordinary Sale 136 32.1200 EUR | EUR 0.02 ordinary Sale 127 32.0823 EUR | EUR 0.02 ordinary Sale 119 32.0800 EUR | EUR 0.02 ordinary Sale 110 32.1700 EUR | EUR 0.02 ordinary Sale 108 32.1600 EUR | EUR 0.02 ordinary Sale 81 31.9715 EUR | EUR 0.02 ordinary Sale 42 32.1057 EUR | EUR 0.02 ordinary Sale 38 31.8700 EUR | EUR 0.02 ordinary Sale 32 31.4800 EUR | EUR 0.02 ordinary Sale 31 31.7000 EUR | EUR 0.02 ordinary Sale 25 31.6800 EUR | EUR 0.02 ordinary Sale 23 31.6000 EUR | EUR 0.02 ordinary Sale 20 32.0510 EUR | EUR 0.02 ordinary Sale 14 32.0200 EUR | EUR 0.02 ordinary Sale 11 31.8545 EUR | EUR 0.02 ordinary Sale 5 31.8200 EUR | EUR 0.02 ordinary Sale 5 32.2400 EUR | EUR 0.02 ordinary Sale 4 32.0000 EUR | EUR 0.02 ordinary Sale 4 32.2200 EUR | EUR 0.02 ordinary Sale 3 32.3000 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 11 31.8545 EUR | EUR 0.02 ordinary CFD Increasing Short 3,626 32.1286 EUR | EUR 0.02 ordinary CFD Increasing Short 38 31.8700 EUR | EUR 0.02 ordinary SWAP Decreasing Short 60 32.1753 EUR | EUR 0.02 ordinary CFD Decreasing Short 395 31.5330 EUR | EUR 0.02 ordinary SWAP Decreasing Short 4 32.0000 EUR | EUR 0.02 ordinary SWAP Increasing Short 127 32.0823 EUR | EUR 0.02 ordinary SWAP Decreasing Short 229 32.1232 EUR | EUR 0.02 ordinary SWAP Increasing Short 120 31.8200 EUR | EUR 0.02 ordinary SWAP Decreasing Short 184 31.6400 EUR | EUR 0.02 ordinary SWAP Decreasing Short 6,753 31.9539 EUR | EUR 0.02 ordinary SWAP Increasing Short 4,414 32.1199 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: 16 Jul 2026 | Contact name: Large Holdings Regulatory Operations | Telephone number: 020 3134 7213 |
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