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: 14 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: 945,909 2.63% 108,154 0.30% | (2) Cash-settled derivatives: | 112,419 0.31% 931,887 2.59% | (3) Stock-settled derivatives (including options) | and agreements to purchase/sell: 0 0.00% 0 0.00% | TOTAL: 1,058,328 2.94% 1,040,041 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 4,483 31.7646 EUR | EUR 0.02 ordinary Purchase 3,597 31.6766 EUR | EUR 0.02 ordinary Purchase 3,310 31.7705 EUR | EUR 0.02 ordinary Purchase 3,105 31.6663 EUR | EUR 0.02 ordinary Purchase 2,922 31.7559 EUR | EUR 0.02 ordinary Purchase 2,566 31.8421 EUR | EUR 0.02 ordinary Purchase 1,731 31.7405 EUR | EUR 0.02 ordinary Purchase 1,695 31.6600 EUR | EUR 0.02 ordinary Purchase 1,262 31.6619 EUR | EUR 0.02 ordinary Purchase 1,144 31.9238 EUR | EUR 0.02 ordinary Purchase 700 31.8322 EUR | EUR 0.02 ordinary Purchase 642 31.7863 EUR | EUR 0.02 ordinary Purchase 589 31.8086 EUR | EUR 0.02 ordinary Purchase 552 31.7378 EUR | EUR 0.02 ordinary Purchase 500 31.8137 EUR | EUR 0.02 ordinary Purchase 430 31.7992 EUR | EUR 0.02 ordinary Purchase 269 31.7696 EUR | EUR 0.02 ordinary Purchase 208 31.9065 EUR | EUR 0.02 ordinary Purchase 202 31.5500 EUR | EUR 0.02 ordinary Purchase 200 31.6880 EUR | EUR 0.02 ordinary Purchase 193 31.6667 EUR | EUR 0.02 ordinary Purchase 176 31.7600 EUR | EUR 0.02 ordinary Purchase 168 31.6000 EUR | EUR 0.02 ordinary Purchase 145 31.7400 EUR | EUR 0.02 ordinary Purchase 118 32.0832 EUR | EUR 0.02 ordinary Purchase 116 31.9255 EUR | EUR 0.02 ordinary Purchase 100 31.7000 EUR | EUR 0.02 ordinary Purchase 93 31.6800 EUR | EUR 0.02 ordinary Purchase 79 31.6607 EUR | EUR 0.02 ordinary Purchase 75 31.7144 EUR | EUR 0.02 ordinary Purchase 73 31.7200 EUR | EUR 0.02 ordinary Purchase 71 31.9600 EUR | EUR 0.02 ordinary Purchase 62 31.7800 EUR | EUR 0.02 ordinary Purchase 53 31.8200 EUR | EUR 0.02 ordinary Purchase 49 31.5800 EUR | EUR 0.02 ordinary Purchase 38 31.7831 EUR | EUR 0.02 ordinary Purchase 32 31.6400 EUR | EUR 0.02 ordinary Purchase 30 31.8800 EUR | EUR 0.02 ordinary Purchase 30 31.8000 EUR | EUR 0.02 ordinary Purchase 29 31.9000 EUR | EUR 0.02 ordinary Purchase 27 31.9800 EUR | EUR 0.02 ordinary Purchase 23 31.5400 EUR | EUR 0.02 ordinary Purchase 17 31.9400 EUR | EUR 0.02 ordinary Purchase 13 32.0400 EUR | EUR 0.02 ordinary Purchase 6 31.8400 EUR | EUR 0.02 ordinary Purchase 5 32.0800 EUR | EUR 0.02 ordinary Purchase 3 31.8600 EUR | EUR 0.02 ordinary Purchase 2 31.7900 EUR | EUR 0.02 ordinary Purchase 2 31.9900 EUR | EUR 0.02 ordinary Sale 6,199 31.6600 EUR | EUR 0.02 ordinary Sale 3,310 31.7705 EUR | EUR 0.02 ordinary Sale 3,106 31.7567 EUR | EUR 0.02 ordinary Sale 2,335 31.6177 EUR | EUR 0.02 ordinary Sale 1,283 31.8421 EUR | EUR 0.02 ordinary Sale 1,079 31.8744 EUR | EUR 0.02 ordinary Sale 900 31.6663 EUR | EUR 0.02 ordinary Sale 595 31.6713 EUR | EUR 0.02 ordinary Sale 589 31.8086 EUR | EUR 0.02 ordinary Sale 572 31.9238 EUR | EUR 0.02 ordinary Sale 500 31.8137 EUR | EUR 0.02 ordinary Sale 468 31.8955 EUR | EUR 0.02 ordinary Sale 430 31.7992 EUR | EUR 0.02 ordinary Sale 364 31.7600 EUR | EUR 0.02 ordinary Sale 350 31.8048 EUR | EUR 0.02 ordinary Sale 189 31.7665 EUR | EUR 0.02 ordinary Sale 151 31.7800 EUR | EUR 0.02 ordinary Sale 145 31.7400 EUR | EUR 0.02 ordinary Sale 143 31.6675 EUR | EUR 0.02 ordinary Sale 104 31.9065 EUR | EUR 0.02 ordinary Sale 100 31.7000 EUR | EUR 0.02 ordinary Sale 98 31.6000 EUR | EUR 0.02 ordinary Sale 93 31.6800 EUR | EUR 0.02 ordinary Sale 80 31.6630 EUR | EUR 0.02 ordinary Sale 73 31.7200 EUR | EUR 0.02 ordinary Sale 71 31.9600 EUR | EUR 0.02 ordinary Sale 58 31.9255 EUR | EUR 0.02 ordinary Sale 53 31.8200 EUR | EUR 0.02 ordinary Sale 49 31.5800 EUR | EUR 0.02 ordinary Sale 47 31.6672 EUR | EUR 0.02 ordinary Sale 33 31.7818 EUR | EUR 0.02 ordinary Sale 32 31.6400 EUR | EUR 0.02 ordinary Sale 216 31.8800 EUR | EUR 0.02 ordinary Sale 30 31.8000 EUR | EUR 0.02 ordinary Sale 29 31.9000 EUR | EUR 0.02 ordinary Sale 27 31.9800 EUR | EUR 0.02 ordinary Sale 23 31.5400 EUR | EUR 0.02 ordinary Sale 19 31.7831 EUR | EUR 0.02 ordinary Sale 17 31.9400 EUR | EUR 0.02 ordinary Sale 13 32.0400 EUR | EUR 0.02 ordinary Sale 6 31.8400 EUR | EUR 0.02 ordinary Sale 5 32.0800 EUR | EUR 0.02 ordinary Sale 3 31.8600 EUR | EUR 0.02 ordinary Sale 2 31.5100 EUR | EUR 0.02 ordinary Sale 2 31.9900 EUR | EUR 0.02 ordinary Sale 2 31.7900 EUR | EUR 0.02 ordinary Sale 320 31.9549 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 100 31.6966 EUR | EUR 0.02 ordinary CFD Increasing Short 223 31.6609 EUR | EUR 0.02 ordinary CFD Increasing Short 1,690 31.8992 EUR | EUR 0.02 ordinary CFD Opening Short 430 31.7993 EUR | EUR 0.02 ordinary SWAP Increasing Short 75 31.7144 EUR | EUR 0.02 ordinary SWAP Increasing Short 2,544 31.6663 EUR | EUR 0.02 ordinary SWAP Increasing Short 561 31.6663 EUR | EUR 0.02 ordinary SWAP Increasing Short 99 31.7084 EUR | EUR 0.02 ordinary SWAP Increasing Short 1,262 31.6619 EUR | EUR 0.02 ordinary SWAP Increasing Short 104 31.9065 EUR | EUR 0.02 ordinary SWAP Decreasing Short 1,337 31.6600 EUR | EUR 0.02 ordinary SWAP Increasing Short 142 31.7119 EUR | EUR 0.02 ordinary SWAP Decreasing Short 85 31.7600 EUR | EUR 0.02 ordinary SWAP Increasing Short 409 31.7663 EUR | EUR 0.02 ordinary SWAP Increasing Short 60 31.5200 EUR | EUR 0.02 ordinary SWAP Decreasing Short 2,335 31.6177 EUR | EUR 0.02 ordinary SWAP Increasing Short 202 31.5500 EUR | EUR 0.02 ordinary SWAP Increasing Short 4,483 31.7646 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: 15 Jul 2026 | Contact name: Large Holdings Regulatory Operations | Telephone number: 020 3134 7213 |
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