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: 02 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: 880,760 2.46% 109,251 0.31% | (2) Cash-settled derivatives: | 114,976 0.32% 873,015 2.44% | (3) Stock-settled derivatives (including options) | and agreements to purchase/sell: 0 0.00% 0 0.00% | TOTAL: 995,736 2.78% 982,266 2.75% | (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 12,412 32.2400 EUR | EUR 0.02 ordinary Purchase 9,302 32.3323 EUR | EUR 0.02 ordinary Purchase 6,180 32.3329 EUR | EUR 0.02 ordinary Purchase 5,930 32.4656 EUR | EUR 0.02 ordinary Purchase 4,299 32.3255 EUR | EUR 0.02 ordinary Purchase 3,024 32.3195 EUR | EUR 0.02 ordinary Purchase 1,762 32.3606 EUR | EUR 0.02 ordinary Purchase 1,740 32.2505 EUR | EUR 0.02 ordinary Purchase 1,707 32.3256 EUR | EUR 0.02 ordinary Purchase 1,327 32.3262 EUR | EUR 0.02 ordinary Purchase 1,194 32.2388 EUR | EUR 0.02 ordinary Purchase 1,162 32.3758 EUR | EUR 0.02 ordinary Purchase 1,017 32.3273 EUR | EUR 0.02 ordinary Purchase 932 32.2520 EUR | EUR 0.02 ordinary Purchase 864 32.2976 EUR | EUR 0.02 ordinary Purchase 789 32.3693 EUR | EUR 0.02 ordinary Purchase 706 32.2809 EUR | EUR 0.02 ordinary Purchase 704 32.2335 EUR | EUR 0.02 ordinary Purchase 669 32.3947 EUR | EUR 0.02 ordinary Purchase 643 32.3315 EUR | EUR 0.02 ordinary Purchase 602 32.3283 EUR | EUR 0.02 ordinary Purchase 564 32.5761 EUR | EUR 0.02 ordinary Purchase 443 32.3230 EUR | EUR 0.02 ordinary Purchase 416 32.3488 EUR | EUR 0.02 ordinary Purchase 403 32.6190 EUR | EUR 0.02 ordinary Purchase 286 32.2007 EUR | EUR 0.02 ordinary Purchase 261 32.3392 EUR | EUR 0.02 ordinary Purchase 261 32.3840 EUR | EUR 0.02 ordinary Purchase 250 32.1800 EUR | EUR 0.02 ordinary Purchase 247 32.5425 EUR | EUR 0.02 ordinary Purchase 211 32.2602 EUR | EUR 0.02 ordinary Purchase 170 32.8200 EUR | EUR 0.02 ordinary Purchase 162 32.5244 EUR | EUR 0.02 ordinary Purchase 123 32.6189 EUR | EUR 0.02 ordinary Purchase 111 32.4400 EUR | EUR 0.02 ordinary Purchase 106 32.2818 EUR | EUR 0.02 ordinary Purchase 95 32.4200 EUR | EUR 0.02 ordinary Purchase 90 32.2826 EUR | EUR 0.02 ordinary Purchase 67 32.2200 EUR | EUR 0.02 ordinary Purchase 44 32.3200 EUR | EUR 0.02 ordinary Purchase 41 32.2603 EUR | EUR 0.02 ordinary Purchase 34 32.6000 EUR | EUR 0.02 ordinary Purchase 18 32.3222 EUR | EUR 0.02 ordinary Purchase 16 32.2600 EUR | EUR 0.02 ordinary Purchase 16 32.3400 EUR | EUR 0.02 ordinary Purchase 10 32.3759 EUR | EUR 0.02 ordinary Purchase 5 32.4600 EUR | EUR 0.02 ordinary Purchase 4 32.2759 EUR | EUR 0.02 ordinary Purchase 4 32.2290 EUR | EUR 0.02 ordinary Purchase 3 32.5959 EUR | EUR 0.02 ordinary Purchase 2 32.2800 EUR | EUR 0.02 ordinary Purchase 2 32.3590 EUR | EUR 0.02 ordinary Purchase 1 32.6400 EUR | EUR 0.02 ordinary Purchase 1 32.5000 EUR | EUR 0.02 ordinary Sale 8,310 32.2400 EUR | EUR 0.02 ordinary Sale 6,048 32.3195 EUR | EUR 0.02 ordinary Sale 4,651 32.3323 EUR | EUR 0.02 ordinary Sale 3,471 32.2380 EUR | EUR 0.02 ordinary Sale 1,979 32.4177 EUR | EUR 0.02 ordinary Sale 1,690 32.3534 EUR | EUR 0.02 ordinary Sale 1,408 32.2335 EUR | EUR 0.02 ordinary Sale 1,364 32.2631 EUR | EUR 0.02 ordinary Sale 1,134 32.2200 EUR | EUR 0.02 ordinary Sale 870 32.2505 EUR | EUR 0.02 ordinary Sale 811 32.3948 EUR | EUR 0.02 ordinary Sale 789 32.3693 EUR | EUR 0.02 ordinary Sale 716 32.4106 EUR | EUR 0.02 ordinary Sale 687 32.2464 EUR | EUR 0.02 ordinary Sale 623 32.4011 EUR | EUR 0.02 ordinary Sale 581 32.3758 EUR | EUR 0.02 ordinary Sale 572 32.2007 EUR | EUR 0.02 ordinary Sale 544 32.3555 EUR | EUR 0.02 ordinary Sale 477 32.4677 EUR | EUR 0.02 ordinary Sale 443 32.3230 EUR | EUR 0.02 ordinary Sale 432 32.2976 EUR | EUR 0.02 ordinary Sale 353 32.2809 EUR | EUR 0.02 ordinary Sale 308 32.3253 EUR | EUR 0.02 ordinary Sale 282 32.5761 EUR | EUR 0.02 ordinary Sale 212 32.2818 EUR | EUR 0.02 ordinary Sale 208 32.3488 EUR | EUR 0.02 ordinary Sale 176 32.2800 EUR | EUR 0.02 ordinary Sale 166 32.2496 EUR | EUR 0.02 ordinary Sale 142 32.2302 EUR | EUR 0.02 ordinary Sale 99 32.2000 EUR | EUR 0.02 ordinary Sale 96 32.4809 EUR | EUR 0.02 ordinary Sale 95 32.4200 EUR | EUR 0.02 ordinary Sale 85 32.8200 EUR | EUR 0.02 ordinary Sale 81 32.5244 EUR | EUR 0.02 ordinary Sale 44 32.3200 EUR | EUR 0.02 ordinary Sale 36 32.3222 EUR | EUR 0.02 ordinary Sale 16 32.2600 EUR | EUR 0.02 ordinary Sale 16 32.3400 EUR | EUR 0.02 ordinary Sale 5 32.4600 EUR | EUR 0.02 ordinary Sale 4 32.4000 EUR | EUR 0.02 ordinary Sale 4 32.2209 EUR | EUR 0.02 ordinary Sale 3 32.5233 EUR | EUR 0.02 ordinary Sale 2 32.5509 EUR | EUR 0.02 ordinary Sale 1 32.5000 EUR | EUR 0.02 ordinary Sale 1 32.6400 EUR | EUR 0.02 ordinary Sale 1 32.4209 EUR | EUR 0.02 ordinary Sale 1 32.5009 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 Increasing Short 96 32.3603 EUR | EUR 0.02 ordinary SWAP Decreasing Short 308 32.3253 EUR | EUR 0.02 ordinary CFD Increasing Short 6,510 32.2794 EUR | EUR 0.02 ordinary CFD Decreasing Short 4,120 32.2930 EUR | EUR 0.02 ordinary SWAP Decreasing Long 421 32.5762 EUR | EUR 0.02 ordinary SWAP Decreasing Short 3,471 32.2380 EUR | EUR 0.02 ordinary SWAP Increasing Short 2,518 32.2410 EUR | EUR 0.02 ordinary SWAP Increasing Short 6,180 32.3329 EUR | EUR 0.02 ordinary SWAP Decreasing Short 1,511 32.2390 EUR | EUR 0.02 ordinary SWAP Increasing Short 1,017 32.3272 EUR | EUR 0.02 ordinary SWAP Decreasing Long 2,903 32.3255 EUR | EUR 0.02 ordinary SWAP Decreasing Long 1,707 32.3255 EUR | EUR 0.02 ordinary SWAP Decreasing Long 1,396 32.3255 EUR | EUR 0.02 ordinary SWAP Opening Short 1,511 32.2410 EUR | EUR 0.02 ordinary SWAP Decreasing Short 123 32.4852 EUR | EUR 0.02 ordinary CFD Increasing Short 1,044 32.6465 EUR | EUR 0.02 ordinary SWAP Decreasing Short 3 32.5247 EUR | EUR 0.02 ordinary SWAP Decreasing Short 2,518 32.2390 EUR | EUR 0.02 ordinary SWAP Closing Long 253 32.6190 EUR | EUR 0.02 ordinary SWAP Closing Long 150 32.6190 EUR | EUR 0.02 ordinary SWAP Decreasing Long 123 32.6189 EUR | EUR 0.02 ordinary SWAP Increasing Short 2 32.2800 EUR | EUR 0.02 ordinary SWAP Decreasing Short 477 32.4678 EUR | EUR 0.02 ordinary SWAP Increasing Short 111 32.4400 EUR | EUR 0.02 ordinary SWAP Increasing Short 3,951 32.2400 EUR | EUR 0.02 ordinary SWAP Increasing Short 81 32.5244 EUR | EUR 0.02 ordinary SWAP Increasing Short 5,930 32.4656 EUR | EUR 0.02 ordinary SWAP Decreasing Short 1,979 32.4177 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: 03 Jul 2026 | Contact name: Large Holdings Regulatory Operations | Telephone number: 020 3134 7213 |
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