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: 03 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: 887,201 2.48% 108,703 0.30% | (2) Cash-settled derivatives: | 114,339 0.32% 876,407 2.45% | (3) Stock-settled derivatives (including options) | and agreements to purchase/sell: 0 0.00% 0 0.00% | TOTAL: 1,001,540 2.80% 985,110 2.76% | (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 7,578 33.0800 EUR | EUR 0.02 ordinary Purchase 7,302 32.7427 EUR | EUR 0.02 ordinary Purchase 3,979 32.6057 EUR | EUR 0.02 ordinary Purchase 3,956 32.8203 EUR | EUR 0.02 ordinary Purchase 2,427 32.7964 EUR | EUR 0.02 ordinary Purchase 1,120 32.4853 EUR | EUR 0.02 ordinary Purchase 1,044 33.0800 EUR | EUR 0.02 ordinary Purchase 1,033 32.3840 EUR | EUR 0.02 ordinary Purchase 734 32.4317 EUR | EUR 0.02 ordinary Purchase 718 32.2999 EUR | EUR 0.02 ordinary Purchase 646 32.3506 EUR | EUR 0.02 ordinary Purchase 480 32.4000 EUR | EUR 0.02 ordinary Purchase 410 32.3600 EUR | EUR 0.02 ordinary Purchase 294 32.4165 EUR | EUR 0.02 ordinary Purchase 257 32.3598 EUR | EUR 0.02 ordinary Purchase 240 32.7600 EUR | EUR 0.02 ordinary Purchase 230 32.4400 EUR | EUR 0.02 ordinary Purchase 224 32.4916 EUR | EUR 0.02 ordinary Purchase 210 32.4200 EUR | EUR 0.02 ordinary Purchase 205 32.4278 EUR | EUR 0.02 ordinary Purchase 202 32.4514 EUR | EUR 0.02 ordinary Purchase 166 32.3966 EUR | EUR 0.02 ordinary Purchase 163 32.4028 EUR | EUR 0.02 ordinary Purchase 149 32.4618 EUR | EUR 0.02 ordinary Purchase 113 32.5000 EUR | EUR 0.02 ordinary Purchase 107 32.5700 EUR | EUR 0.02 ordinary Purchase 63 32.5600 EUR | EUR 0.02 ordinary Purchase 53 32.4035 EUR | EUR 0.02 ordinary Purchase 19 32.5650 EUR | EUR 0.02 ordinary Purchase 7 32.5428 EUR | EUR 0.02 ordinary Purchase 4 32.3000 EUR | EUR 0.02 ordinary Sale 3,956 32.8203 EUR | EUR 0.02 ordinary Sale 3,651 32.7427 EUR | EUR 0.02 ordinary Sale 2,993 32.3450 EUR | EUR 0.02 ordinary Sale 2,554 33.0800 EUR | EUR 0.02 ordinary Sale 2,470 33.0780 EUR | EUR 0.02 ordinary Sale 2,283 32.3716 EUR | EUR 0.02 ordinary Sale 1,400 32.6181 EUR | EUR 0.02 ordinary Sale 1,120 32.9200 EUR | EUR 0.02 ordinary Sale 958 32.4000 EUR | EUR 0.02 ordinary Sale 685 32.3175 EUR | EUR 0.02 ordinary Sale 514 32.3598 EUR | EUR 0.02 ordinary Sale 480 32.7600 EUR | EUR 0.02 ordinary Sale 460 32.4400 EUR | EUR 0.02 ordinary Sale 457 32.4117 EUR | EUR 0.02 ordinary Sale 367 32.4317 EUR | EUR 0.02 ordinary Sale 361 32.8400 EUR | EUR 0.02 ordinary Sale 323 32.6198 EUR | EUR 0.02 ordinary Sale 284 32.4200 EUR | EUR 0.02 ordinary Sale 271 32.5767 EUR | EUR 0.02 ordinary Sale 224 32.4916 EUR | EUR 0.02 ordinary Sale 222 32.5619 EUR | EUR 0.02 ordinary Sale 212 32.7044 EUR | EUR 0.02 ordinary Sale 189 32.8600 EUR | EUR 0.02 ordinary Sale 186 32.7965 EUR | EUR 0.02 ordinary Sale 149 32.4618 EUR | EUR 0.02 ordinary Sale 115 32.3600 EUR | EUR 0.02 ordinary Sale 112 32.6083 EUR | EUR 0.02 ordinary Sale 100 32.6154 EUR | EUR 0.02 ordinary Sale 19 32.5682 EUR | EUR 0.02 ordinary Sale 16 32.4450 EUR | EUR 0.02 ordinary Sale 8 32.3000 EUR | EUR 0.02 ordinary Sale 5 32.4832 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 112 32.6083 EUR | EUR 0.02 ordinary CFD Increasing Short 1,496 33.0809 EUR | EUR 0.02 ordinary CFD Increasing Short 1,895 32.5096 EUR | EUR 0.02 ordinary CFD Increasing Short 7 32.5428 EUR | EUR 0.02 ordinary SWAP Decreasing Long 637 32.4705 EUR | EUR 0.02 ordinary SWAP Decreasing Short 2,283 32.3716 EUR | EUR 0.02 ordinary SWAP Increasing Short 1 32.4000 EUR | EUR 0.02 ordinary CFD Decreasing Short 4 32.2975 EUR | EUR 0.02 ordinary SWAP Decreasing Short 2,470 33.0780 EUR | EUR 0.02 ordinary SWAP Decreasing Short 535 32.6533 EUR | EUR 0.02 ordinary SWAP Increasing Short 3,453 33.0800 EUR | EUR 0.02 ordinary SWAP Increasing Short 95 32.4200 EUR | EUR 0.02 ordinary SWAP Decreasing Short 271 32.5767 EUR | EUR 0.02 ordinary SWAP Decreasing Short 189 32.8600 EUR | EUR 0.02 ordinary SWAP Increasing Short 1,571 33.0800 EUR | EUR 0.02 ordinary SWAP Decreasing Short 361 32.8400 EUR | EUR 0.02 ordinary SWAP Increasing Short 113 32.5000 EUR | EUR 0.02 ordinary SWAP Decreasing Short 179 32.4200 EUR | EUR 0.02 ordinary SWAP Increasing Short 179 32.3600 EUR | EUR 0.02 ordinary SWAP Increasing Short 3,979 32.6057 EUR | EUR 0.02 ordinary SWAP Decreasing Short 2,993 32.3450 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: 06 Jul 2026 | Contact name: Large Holdings Regulatory Operations | Telephone number: 020 3134 7213 |
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