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: 20 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: 969,653 2.69% 113,764 0.32% | (2) Cash-settled derivatives: | 118,103 0.33% 955,293 2.66% | (3) Stock-settled derivatives (including options) | and agreements to purchase/sell: 0 0.00% 0 0.00% | TOTAL: 1,087,756 3.02% 1,069,057 2.97% | (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 18,583 28.4386 EUR | EUR 0.02 ordinary Purchase 14,856 27.9422 EUR | EUR 0.02 ordinary Purchase 10,904 28.4723 EUR | EUR 0.02 ordinary Purchase 7,464 28.7104 EUR | EUR 0.02 ordinary Purchase 6,168 28.5259 EUR | EUR 0.02 ordinary Purchase 5,967 28.4976 EUR | EUR 0.02 ordinary Purchase 2,517 28.6330 EUR | EUR 0.02 ordinary Purchase 2,186 28.5704 EUR | EUR 0.02 ordinary Purchase 2,134 28.5902 EUR | EUR 0.02 ordinary Purchase 1,798 28.9581 EUR | EUR 0.02 ordinary Purchase 1,661 28.3664 EUR | EUR 0.02 ordinary Purchase 1,508 28.7561 EUR | EUR 0.02 ordinary Purchase 1,390 28.6642 EUR | EUR 0.02 ordinary Purchase 1,264 27.9211 EUR | EUR 0.02 ordinary Purchase 1,173 28.7452 EUR | EUR 0.02 ordinary Purchase 903 27.9200 EUR | EUR 0.02 ordinary Purchase 726 28.4500 EUR | EUR 0.02 ordinary Purchase 673 28.6476 EUR | EUR 0.02 ordinary Purchase 530 28.8004 EUR | EUR 0.02 ordinary Purchase 386 28.5000 EUR | EUR 0.02 ordinary Purchase 364 28.8226 EUR | EUR 0.02 ordinary Purchase 252 28.4173 EUR | EUR 0.02 ordinary Purchase 248 29.1746 EUR | EUR 0.02 ordinary Purchase 214 28.4400 EUR | EUR 0.02 ordinary Purchase 200 28.3800 EUR | EUR 0.02 ordinary Purchase 195 29.3800 EUR | EUR 0.02 ordinary Purchase 178 28.1000 EUR | EUR 0.02 ordinary Purchase 141 28.9400 EUR | EUR 0.02 ordinary Purchase 124 29.0600 EUR | EUR 0.02 ordinary Purchase 91 29.0750 EUR | EUR 0.02 ordinary Purchase 71 28.3695 EUR | EUR 0.02 ordinary Purchase 41 28.7063 EUR | EUR 0.02 ordinary Purchase 38 29.5200 EUR | EUR 0.02 ordinary Purchase 34 29.5000 EUR | EUR 0.02 ordinary Purchase 29 28.3900 EUR | EUR 0.02 ordinary Purchase 24 28.9800 EUR | EUR 0.02 ordinary Purchase 17 28.4000 EUR | EUR 0.02 ordinary Purchase 17 28.3971 EUR | EUR 0.02 ordinary Purchase 8 28.6700 EUR | EUR 0.02 ordinary Purchase 1 29.0970 EUR | EUR 0.02 ordinary Purchase 1 29.1270 EUR | EUR 0.02 ordinary Sale 14,909 28.4758 EUR | EUR 0.02 ordinary Sale 7,428 27.9422 EUR | EUR 0.02 ordinary Sale 6,900 27.9200 EUR | EUR 0.02 ordinary Sale 5,967 28.4976 EUR | EUR 0.02 ordinary Sale 4,938 28.5000 EUR | EUR 0.02 ordinary Sale 4,115 27.9256 EUR | EUR 0.02 ordinary Sale 3,449 28.7091 EUR | EUR 0.02 ordinary Sale 1,864 28.6540 EUR | EUR 0.02 ordinary Sale 1,222 28.4884 EUR | EUR 0.02 ordinary Sale 1,173 28.7452 EUR | EUR 0.02 ordinary Sale 1,063 28.3258 EUR | EUR 0.02 ordinary Sale 899 28.9581 EUR | EUR 0.02 ordinary Sale 794 28.7042 EUR | EUR 0.02 ordinary Sale 728 28.8226 EUR | EUR 0.02 ordinary Sale 695 28.6642 EUR | EUR 0.02 ordinary Sale 670 27.9403 EUR | EUR 0.02 ordinary Sale 652 28.9305 EUR | EUR 0.02 ordinary Sale 499 28.6931 EUR | EUR 0.02 ordinary Sale 379 28.8309 EUR | EUR 0.02 ordinary Sale 363 28.4500 EUR | EUR 0.02 ordinary Sale 323 28.6506 EUR | EUR 0.02 ordinary Sale 322 28.5236 EUR | EUR 0.02 ordinary Sale 282 28.9400 EUR | EUR 0.02 ordinary Sale 251 28.4145 EUR | EUR 0.02 ordinary Sale 200 28.3800 EUR | EUR 0.02 ordinary Sale 179 28.4802 EUR | EUR 0.02 ordinary Sale 97 28.0800 EUR | EUR 0.02 ordinary Sale 76 29.5200 EUR | EUR 0.02 ordinary Sale 71 28.3695 EUR | EUR 0.02 ordinary Sale 62 29.0600 EUR | EUR 0.02 ordinary Sale 34 28.4000 EUR | EUR 0.02 ordinary Sale 29 28.3900 EUR | EUR 0.02 ordinary Sale 12 28.9800 EUR | EUR 0.02 ordinary Sale 9 28.8544 EUR | EUR 0.02 ordinary Sale 1 29.1300 EUR | EUR 0.02 ordinary Sale 1 29.1008 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 9 28.8544 EUR | EUR 0.02 ordinary CFD Decreasing Short 4,439 29.5377 EUR | EUR 0.02 ordinary CFD Opening Short 248 29.1747 EUR | EUR 0.02 ordinary CFD Decreasing Short 38 29.5176 EUR | EUR 0.02 ordinary CFD Decreasing Short 29 28.3900 EUR | EUR 0.02 ordinary SWAP Increasing Long 141 28.9376 EUR | EUR 0.02 ordinary SWAP Decreasing Short 6,709 27.9200 EUR | EUR 0.02 ordinary SWAP Increasing Short 1,264 27.9211 EUR | EUR 0.02 ordinary SWAP Increasing Short 3,075 27.9256 EUR | EUR 0.02 ordinary SWAP Increasing Short 133 27.9255 EUR | EUR 0.02 ordinary SWAP Opening Long 1,924 28.5803 EUR | EUR 0.02 ordinary SWAP Decreasing Short 63 27.9704 EUR | EUR 0.02 ordinary CFD Decreasing Short 100 29.6000 EUR | EUR 0.02 ordinary CFD Increasing Short 873 28.9913 EUR | EUR 0.02 ordinary SWAP Increasing Short 10,904 28.4723 EUR | EUR 0.02 ordinary SWAP Increasing Short 41 28.7063 EUR | EUR 0.02 ordinary CFD Increasing Short 4,439 29.5377 EUR | EUR 0.02 ordinary SWAP Decreasing Short 364 28.8226 EUR | EUR 0.02 ordinary CFD Decreasing Short 4,439 29.5377 EUR | EUR 0.02 ordinary SWAP Increasing Short 515 28.6838 EUR | EUR 0.02 ordinary CFD Increasing Short 1,100 29.6000 EUR | EUR 0.02 ordinary SWAP Increasing Short 5,812 28.6506 EUR | EUR 0.02 ordinary CFD Increasing Short 4,439 29.5377 EUR | EUR 0.02 ordinary SWAP Increasing Short 193 28.5000 EUR | EUR 0.02 ordinary CFD Decreasing Short 4,439 29.5377 EUR | EUR 0.02 ordinary SWAP Increasing Short 2,517 28.6330 EUR | EUR 0.02 ordinary CFD Increasing Short 1,100 29.6000 EUR | EUR 0.02 ordinary SWAP Increasing Short 868 28.8121 EUR | EUR 0.02 ordinary CFD Increasing Short 4,439 29.5377 EUR | EUR 0.02 ordinary SWAP Increasing Short 18,583 28.4386 EUR | EUR 0.02 ordinary CFD Decreasing Short 4,439 29.5377 EUR | EUR 0.02 ordinary SWAP Decreasing Short 14,909 28.4758 EUR | EUR 0.02 ordinary CFD Increasing Short 100 29.6000 EUR | EUR 0.02 ordinary CFD Increasing Short 4,439 29.5377 EUR | EUR 0.02 ordinary CFD Decreasing Short 4,439 29.5377 EUR | EUR 0.02 ordinary CFD Increasing Short 1,500 29.6000 EUR | EUR 0.02 ordinary CFD Increasing Short 4,439 29.5377 EUR | EUR 0.02 ordinary CFD Decreasing Short 4,439 29.5377 EUR | EUR 0.02 ordinary CFD Increasing Short 1,600 29.6000 EUR | EUR 0.02 ordinary CFD Increasing Short 4,439 29.5377 EUR | EUR 0.02 ordinary CFD Decreasing Short 4,439 29.5377 EUR | EUR 0.02 ordinary CFD Increasing Short 400 29.6000 EUR | EUR 0.02 ordinary CFD Increasing Short 4,439 29.5377 EUR | EUR 0.02 ordinary CFD Decreasing Short 4,439 29.5377 EUR | EUR 0.02 ordinary CFD Increasing Short 200 29.6000 EUR | EUR 0.02 ordinary CFD Increasing Short 4,439 29.5377 EUR | EUR 0.02 ordinary CFD Decreasing Short 4,439 29.5377 EUR | EUR 0.02 ordinary CFD Increasing Short 200 29.6000 EUR | EUR 0.02 ordinary CFD Increasing Short 4,439 29.5377 EUR | EUR 0.02 ordinary CFD Increasing Short 3,290 28.6131 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: 21 Jul 2026 | Contact name: Large Holdings Regulatory Operations | Telephone number: 020 3134 7213 |
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