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: 01 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: 859,795 2.40% 109,681 0.31% | (2) Cash-settled derivatives: | 121,929 0.34% 858,574 2.40% | (3) Stock-settled derivatives (including options) | and agreements to purchase/sell: 0 0.00% 0 0.00% | TOTAL: 981,724 2.75% 968,255 2.71% | (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 9,198 32.7600 EUR | EUR 0.02 ordinary Purchase 6,210 32.7597 EUR | EUR 0.02 ordinary Purchase 5,015 32.6144 EUR | EUR 0.02 ordinary Purchase 3,682 32.6957 EUR | EUR 0.02 ordinary Purchase 3,484 32.5702 EUR | EUR 0.02 ordinary Purchase 2,350 32.7673 EUR | EUR 0.02 ordinary Purchase 2,229 32.7613 EUR | EUR 0.02 ordinary Purchase 1,465 33.0165 EUR | EUR 0.02 ordinary Purchase 1,382 32.7151 EUR | EUR 0.02 ordinary Purchase 1,341 32.7525 EUR | EUR 0.02 ordinary Purchase 1,318 32.7707 EUR | EUR 0.02 ordinary Purchase 814 32.8054 EUR | EUR 0.02 ordinary Purchase 799 32.7106 EUR | EUR 0.02 ordinary Purchase 528 32.6491 EUR | EUR 0.02 ordinary Purchase 498 32.6800 EUR | EUR 0.02 ordinary Purchase 496 32.6753 EUR | EUR 0.02 ordinary Purchase 490 32.5122 EUR | EUR 0.02 ordinary Purchase 448 32.7516 EUR | EUR 0.02 ordinary Purchase 405 32.7400 EUR | EUR 0.02 ordinary Purchase 296 32.7341 EUR | EUR 0.02 ordinary Purchase 276 32.3111 EUR | EUR 0.02 ordinary Purchase 229 32.7837 EUR | EUR 0.02 ordinary Purchase 216 32.5378 EUR | EUR 0.02 ordinary Purchase 135 32.7800 EUR | EUR 0.02 ordinary Purchase 92 32.7119 EUR | EUR 0.02 ordinary Purchase 91 32.8800 EUR | EUR 0.02 ordinary Purchase 83 32.7792 EUR | EUR 0.02 ordinary Purchase 83 32.7802 EUR | EUR 0.02 ordinary Purchase 66 32.9200 EUR | EUR 0.02 ordinary Purchase 65 32.9800 EUR | EUR 0.02 ordinary Purchase 50 32.4400 EUR | EUR 0.02 ordinary Purchase 49 32.8000 EUR | EUR 0.02 ordinary Purchase 44 32.7200 EUR | EUR 0.02 ordinary Purchase 36 32.5000 EUR | EUR 0.02 ordinary Purchase 34 32.3400 EUR | EUR 0.02 ordinary Purchase 34 32.2200 EUR | EUR 0.02 ordinary Purchase 28 32.8185 EUR | EUR 0.02 ordinary Purchase 25 32.6200 EUR | EUR 0.02 ordinary Purchase 25 33.0400 EUR | EUR 0.02 ordinary Purchase 24 32.9600 EUR | EUR 0.02 ordinary Purchase 24 32.8200 EUR | EUR 0.02 ordinary Purchase 23 32.4000 EUR | EUR 0.02 ordinary Purchase 23 32.3839 EUR | EUR 0.02 ordinary Purchase 22 32.2800 EUR | EUR 0.02 ordinary Purchase 22 32.6000 EUR | EUR 0.02 ordinary Purchase 21 32.3000 EUR | EUR 0.02 ordinary Purchase 21 32.1800 EUR | EUR 0.02 ordinary Purchase 12 32.5800 EUR | EUR 0.02 ordinary Purchase 12 32.4800 EUR | EUR 0.02 ordinary Purchase 9 32.6400 EUR | EUR 0.02 ordinary Purchase 1 32.9400 EUR | EUR 0.02 ordinary Sale 7,421 32.7600 EUR | EUR 0.02 ordinary Sale 6,968 32.5702 EUR | EUR 0.02 ordinary Sale 4,880 32.6560 EUR | EUR 0.02 ordinary Sale 3,105 32.7597 EUR | EUR 0.02 ordinary Sale 2,833 33.0110 EUR | EUR 0.02 ordinary Sale 1,382 32.7151 EUR | EUR 0.02 ordinary Sale 1,068 32.7580 EUR | EUR 0.02 ordinary Sale 1,056 32.6491 EUR | EUR 0.02 ordinary Sale 992 32.7586 EUR | EUR 0.02 ordinary Sale 808 32.9536 EUR | EUR 0.02 ordinary Sale 702 32.8031 EUR | EUR 0.02 ordinary Sale 693 32.6633 EUR | EUR 0.02 ordinary Sale 659 32.7707 EUR | EUR 0.02 ordinary Sale 596 32.7340 EUR | EUR 0.02 ordinary Sale 596 32.5922 EUR | EUR 0.02 ordinary Sale 512 32.7539 EUR | EUR 0.02 ordinary Sale 454 32.6213 EUR | EUR 0.02 ordinary Sale 432 32.5378 EUR | EUR 0.02 ordinary Sale 424 32.7909 EUR | EUR 0.02 ordinary Sale 390 32.6043 EUR | EUR 0.02 ordinary Sale 363 32.7082 EUR | EUR 0.02 ordinary Sale 330 32.7665 EUR | EUR 0.02 ordinary Sale 248 32.6753 EUR | EUR 0.02 ordinary Sale 236 32.7837 EUR | EUR 0.02 ordinary Sale 212 33.0200 EUR | EUR 0.02 ordinary Sale 192 32.6276 EUR | EUR 0.02 ordinary Sale 186 32.9000 EUR | EUR 0.02 ordinary Sale 183 32.6800 EUR | EUR 0.02 ordinary Sale 173 32.8000 EUR | EUR 0.02 ordinary Sale 168 32.8800 EUR | EUR 0.02 ordinary Sale 148 32.7341 EUR | EUR 0.02 ordinary Sale 135 32.7800 EUR | EUR 0.02 ordinary Sale 97 33.1000 EUR | EUR 0.02 ordinary Sale 74 32.5456 EUR | EUR 0.02 ordinary Sale 66 32.9200 EUR | EUR 0.02 ordinary Sale 65 32.9800 EUR | EUR 0.02 ordinary Sale 63 32.7400 EUR | EUR 0.02 ordinary Sale 50 32.4400 EUR | EUR 0.02 ordinary Sale 48 33.0400 EUR | EUR 0.02 ordinary Sale 44 32.7200 EUR | EUR 0.02 ordinary Sale 36 32.5000 EUR | EUR 0.02 ordinary Sale 35 32.7409 EUR | EUR 0.02 ordinary Sale 34 32.2200 EUR | EUR 0.02 ordinary Sale 34 32.7888 EUR | EUR 0.02 ordinary Sale 34 32.3400 EUR | EUR 0.02 ordinary Sale 25 32.6200 EUR | EUR 0.02 ordinary Sale 24 32.8200 EUR | EUR 0.02 ordinary Sale 24 32.9600 EUR | EUR 0.02 ordinary Sale 23 32.4000 EUR | EUR 0.02 ordinary Sale 22 32.6000 EUR | EUR 0.02 ordinary Sale 22 32.2800 EUR | EUR 0.02 ordinary Sale 21 32.1800 EUR | EUR 0.02 ordinary Sale 21 32.3000 EUR | EUR 0.02 ordinary Sale 12 32.4800 EUR | EUR 0.02 ordinary Sale 12 32.5800 EUR | EUR 0.02 ordinary Sale 9 32.6400 EUR | EUR 0.02 ordinary Sale 1 32.9400 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 72 32.7308 EUR | EUR 0.02 ordinary CFD Increasing Short 476 32.7609 EUR | EUR 0.02 ordinary CFD Increasing Short 2,631 32.7579 EUR | EUR 0.02 ordinary CFD Decreasing Short 4,228 32.5758 EUR | EUR 0.02 ordinary CFD Increasing Short 28 32.8185 EUR | EUR 0.02 ordinary CFD Increasing Short 1,115 32.7579 EUR | EUR 0.02 ordinary SWAP Decreasing Short 1,068 32.7580 EUR | EUR 0.02 ordinary SWAP Increasing Short 23 32.3840 EUR | EUR 0.02 ordinary SWAP Increasing Short 5,015 32.6144 EUR | EUR 0.02 ordinary SWAP Increasing Short 1,159 32.7525 EUR | EUR 0.02 ordinary SWAP Increasing Short 182 32.7525 EUR | EUR 0.02 ordinary SWAP Increasing Short 3 32.9133 EUR | EUR 0.02 ordinary CFD Increasing Short 3 32.5433 EUR | EUR 0.02 ordinary SWAP Decreasing Short 702 32.8031 EUR | EUR 0.02 ordinary SWAP Increasing Short 2,229 32.7613 EUR | EUR 0.02 ordinary SWAP Decreasing Short 34 32.7888 EUR | EUR 0.02 ordinary SWAP Increasing Short 1,770 32.7600 EUR | EUR 0.02 ordinary SWAP Decreasing Short 1,492 32.9882 EUR | EUR 0.02 ordinary SWAP Increasing Short 148 32.7341 EUR | EUR 0.02 ordinary SWAP Decreasing Short 77 32.8800 EUR | EUR 0.02 ordinary SWAP Decreasing Short 808 32.9536 EUR | EUR 0.02 ordinary SWAP Decreasing Short 186 32.9000 EUR | EUR 0.02 ordinary SWAP Increasing Short 3,682 32.6957 EUR | EUR 0.02 ordinary SWAP Decreasing Short 4,880 32.6560 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: 02 Jul 2026 | Contact name: Large Holdings Regulatory Operations | Telephone number: 020 3134 7213 |
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