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: 08 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: 912,662 2.55% 108,259 0.30% | (2) Cash-settled derivatives: | 113,979 0.32% 898,923 2.51% | (3) Stock-settled derivatives (including options) | and agreements to purchase/sell: 0 0.00% 0 0.00% | TOTAL: 1,026,641 2.87% 1,007,182 2.82% | (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 9,012 31.8155 EUR | EUR 0.02 ordinary Purchase 8,430 31.6815 EUR | EUR 0.02 ordinary Purchase 8,174 31.8348 EUR | EUR 0.02 ordinary Purchase 5,084 31.6000 EUR | EUR 0.02 ordinary Purchase 4,842 31.8829 EUR | EUR 0.02 ordinary Purchase 2,329 31.6018 EUR | EUR 0.02 ordinary Purchase 2,138 31.8548 EUR | EUR 0.02 ordinary Purchase 1,824 31.9171 EUR | EUR 0.02 ordinary Purchase 1,782 31.9079 EUR | EUR 0.02 ordinary Purchase 1,480 31.9331 EUR | EUR 0.02 ordinary Purchase 1,355 31.9233 EUR | EUR 0.02 ordinary Purchase 1,307 31.8014 EUR | EUR 0.02 ordinary Purchase 497 31.9707 EUR | EUR 0.02 ordinary Purchase 384 31.8418 EUR | EUR 0.02 ordinary Purchase 352 31.9853 EUR | EUR 0.02 ordinary Purchase 339 31.8185 EUR | EUR 0.02 ordinary Purchase 196 32.2000 EUR | EUR 0.02 ordinary Purchase 189 32.0862 EUR | EUR 0.02 ordinary Purchase 184 32.2400 EUR | EUR 0.02 ordinary Purchase 179 31.7200 EUR | EUR 0.02 ordinary Purchase 144 31.8752 EUR | EUR 0.02 ordinary Purchase 128 31.7400 EUR | EUR 0.02 ordinary Purchase 123 31.9053 EUR | EUR 0.02 ordinary Purchase 99 31.6590 EUR | EUR 0.02 ordinary Purchase 87 31.9400 EUR | EUR 0.02 ordinary Purchase 85 32.1200 EUR | EUR 0.02 ordinary Purchase 41 32.0200 EUR | EUR 0.02 ordinary Purchase 29 31.9198 EUR | EUR 0.02 ordinary Purchase 7 31.7800 EUR | EUR 0.02 ordinary Purchase 3 31.9200 EUR | EUR 0.02 ordinary Sale 9,012 31.8155 EUR | EUR 0.02 ordinary Sale 7,184 32.2267 EUR | EUR 0.02 ordinary Sale 6,972 31.7928 EUR | EUR 0.02 ordinary Sale 6,722 31.6000 EUR | EUR 0.02 ordinary Sale 3,648 31.9171 EUR | EUR 0.02 ordinary Sale 1,766 31.8357 EUR | EUR 0.02 ordinary Sale 1,552 31.8921 EUR | EUR 0.02 ordinary Sale 1,078 31.9089 EUR | EUR 0.02 ordinary Sale 704 31.9784 EUR | EUR 0.02 ordinary Sale 704 31.9853 EUR | EUR 0.02 ordinary Sale 678 31.8185 EUR | EUR 0.02 ordinary Sale 372 31.9449 EUR | EUR 0.02 ordinary Sale 358 31.7200 EUR | EUR 0.02 ordinary Sale 332 32.0159 EUR | EUR 0.02 ordinary Sale 299 31.9991 EUR | EUR 0.02 ordinary Sale 274 32.2625 EUR | EUR 0.02 ordinary Sale 264 31.6795 EUR | EUR 0.02 ordinary Sale 256 31.7400 EUR | EUR 0.02 ordinary Sale 144 31.8762 EUR | EUR 0.02 ordinary Sale 117 31.9267 EUR | EUR 0.02 ordinary Sale 104 31.9200 EUR | EUR 0.02 ordinary Sale 98 32.2000 EUR | EUR 0.02 ordinary Sale 92 32.2400 EUR | EUR 0.02 ordinary Sale 85 32.1200 EUR | EUR 0.02 ordinary Sale 82 32.0200 EUR | EUR 0.02 ordinary Sale 58 31.8300 EUR | EUR 0.02 ordinary Sale 56 31.8507 EUR | EUR 0.02 ordinary Sale 46 31.7800 EUR | EUR 0.02 ordinary Sale 1 32.0500 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 Closing Short 56 31.8508 EUR | EUR 0.02 ordinary SWAP Opening Long 264 31.6795 EUR | EUR 0.02 ordinary SWAP Decreasing Short 1,509 31.6183 EUR | EUR 0.02 ordinary CFD Decreasing Short 2,166 31.8991 EUR | EUR 0.02 ordinary CFD Increasing Short 7 31.7800 EUR | EUR 0.02 ordinary SWAP Decreasing Short 2,329 31.6000 EUR | EUR 0.02 ordinary SWAP Increasing Short 1,307 31.8014 EUR | EUR 0.02 ordinary SWAP Increasing Short 7,240 31.6815 EUR | EUR 0.02 ordinary SWAP Increasing Short 1,190 31.6815 EUR | EUR 0.02 ordinary SWAP Increasing Short 348 31.9483 EUR | EUR 0.02 ordinary SWAP Increasing Short 2,329 31.6018 EUR | EUR 0.02 ordinary SWAP Increasing Short 92 32.2400 EUR | EUR 0.02 ordinary SWAP Decreasing Short 58 31.8300 EUR | EUR 0.02 ordinary SWAP Decreasing Short 179 31.7200 EUR | EUR 0.02 ordinary SWAP Increasing Short 443 31.8800 EUR | EUR 0.02 ordinary SWAP Decreasing Short 416 31.9787 EUR | EUR 0.02 ordinary SWAP Increasing Short 384 31.8418 EUR | EUR 0.02 ordinary SWAP Increasing Short 686 32.0024 EUR | EUR 0.02 ordinary SWAP Decreasing Short 7,184 32.2267 EUR | EUR 0.02 ordinary SWAP Increasing Short 8,174 31.8348 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: 09 Jul 2026 | Contact name: Large Holdings Regulatory Operations | Telephone number: 020 3134 7213 |
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