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: 09 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: 921,448 2.58% 107,994 0.30% | (2) Cash-settled derivatives: | 112,631 0.32% 906,178 2.53% | (3) Stock-settled derivatives (including options) | and agreements to purchase/sell: 0 0.00% 0 0.00% | TOTAL: 1,034,079 2.89% 1,014,172 2.84% | (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 3,958 31.8681 EUR | EUR 0.02 ordinary Purchase 3,031 32.0774 EUR | EUR 0.02 ordinary Purchase 1,488 32.2284 EUR | EUR 0.02 ordinary Purchase 1,476 32.0177 EUR | EUR 0.02 ordinary Purchase 1,082 31.8666 EUR | EUR 0.02 ordinary Purchase 1,032 32.1363 EUR | EUR 0.02 ordinary Purchase 883 32.0557 EUR | EUR 0.02 ordinary Purchase 812 32.0908 EUR | EUR 0.02 ordinary Purchase 480 32.2400 EUR | EUR 0.02 ordinary Purchase 422 31.7618 EUR | EUR 0.02 ordinary Purchase 394 32.3400 EUR | EUR 0.02 ordinary Purchase 302 32.0600 EUR | EUR 0.02 ordinary Purchase 294 32.0766 EUR | EUR 0.02 ordinary Purchase 279 32.0569 EUR | EUR 0.02 ordinary Purchase 266 32.1443 EUR | EUR 0.02 ordinary Purchase 222 32.3477 EUR | EUR 0.02 ordinary Purchase 196 31.7600 EUR | EUR 0.02 ordinary Purchase 152 32.1200 EUR | EUR 0.02 ordinary Purchase 148 31.9981 EUR | EUR 0.02 ordinary Purchase 131 32.3216 EUR | EUR 0.02 ordinary Purchase 120 32.3200 EUR | EUR 0.02 ordinary Purchase 106 32.2433 EUR | EUR 0.02 ordinary Purchase 102 32.2031 EUR | EUR 0.02 ordinary Purchase 58 32.0350 EUR | EUR 0.02 ordinary Purchase 56 32.0742 EUR | EUR 0.02 ordinary Purchase 56 32.0176 EUR | EUR 0.02 ordinary Purchase 52 31.8486 EUR | EUR 0.02 ordinary Purchase 46 31.9400 EUR | EUR 0.02 ordinary Purchase 36 32.0800 EUR | EUR 0.02 ordinary Purchase 33 32.2800 EUR | EUR 0.02 ordinary Purchase 21 32.1976 EUR | EUR 0.02 ordinary Purchase 17 31.9200 EUR | EUR 0.02 ordinary Purchase 17 32.1600 EUR | EUR 0.02 ordinary Purchase 17 32.0000 EUR | EUR 0.02 ordinary Purchase 17 32.0200 EUR | EUR 0.02 ordinary Purchase 17 32.1800 EUR | EUR 0.02 ordinary Purchase 12 32.3000 EUR | EUR 0.02 ordinary Purchase 9 32.2600 EUR | EUR 0.02 ordinary Purchase 1 32.3600 EUR | EUR 0.02 ordinary Sale 2,408 32.1065 EUR | EUR 0.02 ordinary Sale 1,346 31.7600 EUR | EUR 0.02 ordinary Sale 744 32.2284 EUR | EUR 0.02 ordinary Sale 596 31.7580 EUR | EUR 0.02 ordinary Sale 584 32.0729 EUR | EUR 0.02 ordinary Sale 516 32.1363 EUR | EUR 0.02 ordinary Sale 315 32.0907 EUR | EUR 0.02 ordinary Sale 279 32.0569 EUR | EUR 0.02 ordinary Sale 240 32.2400 EUR | EUR 0.02 ordinary Sale 202 32.0404 EUR | EUR 0.02 ordinary Sale 194 32.3400 EUR | EUR 0.02 ordinary Sale 147 32.1191 EUR | EUR 0.02 ordinary Sale 131 32.3216 EUR | EUR 0.02 ordinary Sale 116 32.0975 EUR | EUR 0.02 ordinary Sale 114 32.3130 EUR | EUR 0.02 ordinary Sale 112 32.0742 EUR | EUR 0.02 ordinary Sale 111 32.3477 EUR | EUR 0.02 ordinary Sale 82 31.9324 EUR | EUR 0.02 ordinary Sale 77 32.1000 EUR | EUR 0.02 ordinary Sale 76 32.1200 EUR | EUR 0.02 ordinary Sale 66 32.2800 EUR | EUR 0.02 ordinary Sale 53 32.2433 EUR | EUR 0.02 ordinary Sale 51 32.2031 EUR | EUR 0.02 ordinary Sale 43 32.0200 EUR | EUR 0.02 ordinary Sale 36 32.0800 EUR | EUR 0.02 ordinary Sale 19 31.7663 EUR | EUR 0.02 ordinary Sale 17 32.1800 EUR | EUR 0.02 ordinary Sale 17 31.9200 EUR | EUR 0.02 ordinary Sale 17 31.9400 EUR | EUR 0.02 ordinary Sale 17 32.0600 EUR | EUR 0.02 ordinary Sale 17 32.0000 EUR | EUR 0.02 ordinary Sale 17 32.1600 EUR | EUR 0.02 ordinary Sale 12 32.3000 EUR | EUR 0.02 ordinary Sale 9 32.2600 EUR | EUR 0.02 ordinary Sale 8 32.1150 EUR | EUR 0.02 ordinary Sale 1 32.3600 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 Long 52 31.8487 EUR | EUR 0.02 ordinary SWAP Decreasing Short 82 31.9324 EUR | EUR 0.02 ordinary CFD Decreasing Short 13 31.7592 EUR | EUR 0.02 ordinary CFD Increasing Short 881 32.2851 EUR | EUR 0.02 ordinary CFD Opening Short 76 32.1200 EUR | EUR 0.02 ordinary SWAP Decreasing Long 214 32.1625 EUR | EUR 0.02 ordinary SWAP Increasing Short 31 32.2619 EUR | EUR 0.02 ordinary SWAP Increasing Short 2,859 31.8681 EUR | EUR 0.02 ordinary SWAP Increasing Short 693 31.8681 EUR | EUR 0.02 ordinary SWAP Increasing Short 115 31.8681 EUR | EUR 0.02 ordinary SWAP Decreasing Long 1,082 31.8666 EUR | EUR 0.02 ordinary SWAP Increasing Short 142 31.8681 EUR | EUR 0.02 ordinary SWAP Increasing Short 149 31.8681 EUR | EUR 0.02 ordinary SWAP Increasing Short 198 32.0281 EUR | EUR 0.02 ordinary SWAP Increasing Short 79 32.3165 EUR | EUR 0.02 ordinary SWAP Increasing Short 1,104 32.0177 EUR | EUR 0.02 ordinary SWAP Increasing Short 268 32.0177 EUR | EUR 0.02 ordinary SWAP Increasing Short 45 32.0177 EUR | EUR 0.02 ordinary SWAP Increasing Short 56 32.0176 EUR | EUR 0.02 ordinary SWAP Increasing Short 59 32.0177 EUR | EUR 0.02 ordinary SWAP Increasing Short 165 32.0065 EUR | EUR 0.02 ordinary SWAP Increasing Short 29 32.3041 EUR | EUR 0.02 ordinary SWAP Decreasing Short 142 32.0833 EUR | EUR 0.02 ordinary SWAP Increasing Short 261 32.1304 EUR | EUR 0.02 ordinary SWAP Decreasing Short 33 32.2800 EUR | EUR 0.02 ordinary SWAP Increasing Short 4 32.0875 EUR | EUR 0.02 ordinary SWAP Increasing Short 87 32.0033 EUR | EUR 0.02 ordinary SWAP Increasing Short 936 32.1071 EUR | EUR 0.02 ordinary SWAP Decreasing Short 261 32.2037 EUR | EUR 0.02 ordinary SWAP Increasing Short 422 31.7619 EUR | EUR 0.02 ordinary SWAP Increasing Short 266 32.1442 EUR | EUR 0.02 ordinary SWAP Decreasing Short 596 31.7580 EUR | EUR 0.02 ordinary SWAP Decreasing Short 2,408 32.1065 EUR | EUR 0.02 ordinary SWAP Decreasing Short 1,166 31.7600 EUR | EUR 0.02 ordinary SWAP Increasing Short 3,031 32.0774 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: 10 Jul 2026 | Contact name: Large Holdings Regulatory Operations | Telephone number: 020 3134 7213 |
RNS may use your IP address to confirm compliance with the terms and conditions, to analyse how you engage with the information contained in this communication, and to share such analysis on an anonymised basis with others as part of our commercial services. For further information about how RNS and the London Stock Exchange use the personal data you provide us, please see our Privacy Policy. END RETAKKBBDBKDDOD