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: 06 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: 893,521 2.50% 112,967 0.30% | (2) Cash-settled derivatives: | 114,001 0.32% 877,195 2.45% | (3) Stock-settled derivatives (including options) | and agreements to purchase/sell: 0 0.00% 0 0.00% | TOTAL: 1,007,522 2.82% 990,162 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 14,893 33.5200 EUR | EUR 0.02 ordinary Purchase 6,190 33.4360 EUR | EUR 0.02 ordinary Purchase 3,279 33.1876 EUR | EUR 0.02 ordinary Purchase 2,494 33.1397 EUR | EUR 0.02 ordinary Purchase 2,477 32.9013 EUR | EUR 0.02 ordinary Purchase 2,252 33.4370 EUR | EUR 0.02 ordinary Purchase 2,230 32.9214 EUR | EUR 0.02 ordinary Purchase 1,819 33.2915 EUR | EUR 0.02 ordinary Purchase 1,480 33.2180 EUR | EUR 0.02 ordinary Purchase 1,146 33.3910 EUR | EUR 0.02 ordinary Purchase 1,092 33.5213 EUR | EUR 0.02 ordinary Purchase 1,056 33.0630 EUR | EUR 0.02 ordinary Purchase 879 33.3882 EUR | EUR 0.02 ordinary Purchase 777 33.5267 EUR | EUR 0.02 ordinary Purchase 643 33.5211 EUR | EUR 0.02 ordinary Purchase 619 32.9600 EUR | EUR 0.02 ordinary Purchase 517 33.4600 EUR | EUR 0.02 ordinary Purchase 436 33.1115 EUR | EUR 0.02 ordinary Purchase 429 33.0334 EUR | EUR 0.02 ordinary Purchase 357 33.0000 EUR | EUR 0.02 ordinary Purchase 306 33.3100 EUR | EUR 0.02 ordinary Purchase 289 33.1214 EUR | EUR 0.02 ordinary Purchase 282 32.9400 EUR | EUR 0.02 ordinary Purchase 267 33.2800 EUR | EUR 0.02 ordinary Purchase 192 33.3600 EUR | EUR 0.02 ordinary Purchase 189 33.3849 EUR | EUR 0.02 ordinary Purchase 157 33.3400 EUR | EUR 0.02 ordinary Purchase 148 33.2200 EUR | EUR 0.02 ordinary Purchase 147 33.0400 EUR | EUR 0.02 ordinary Purchase 135 33.0800 EUR | EUR 0.02 ordinary Purchase 87 33.3200 EUR | EUR 0.02 ordinary Purchase 80 32.9000 EUR | EUR 0.02 ordinary Purchase 78 33.4289 EUR | EUR 0.02 ordinary Purchase 73 33.4000 EUR | EUR 0.02 ordinary Purchase 69 33.3000 EUR | EUR 0.02 ordinary Purchase 60 33.1800 EUR | EUR 0.02 ordinary Purchase 55 33.0336 EUR | EUR 0.02 ordinary Purchase 48 33.2000 EUR | EUR 0.02 ordinary Purchase 46 32.8800 EUR | EUR 0.02 ordinary Purchase 43 33.1023 EUR | EUR 0.02 ordinary Purchase 40 33.1600 EUR | EUR 0.02 ordinary Purchase 38 32.9200 EUR | EUR 0.02 ordinary Purchase 36 33.1900 EUR | EUR 0.02 ordinary Purchase 31 33.0200 EUR | EUR 0.02 ordinary Purchase 30 32.7600 EUR | EUR 0.02 ordinary Purchase 29 33.2600 EUR | EUR 0.02 ordinary Purchase 26 33.0600 EUR | EUR 0.02 ordinary Purchase 24 33.1400 EUR | EUR 0.02 ordinary Purchase 24 33.4200 EUR | EUR 0.02 ordinary Purchase 23 32.9800 EUR | EUR 0.02 ordinary Purchase 20 33.3800 EUR | EUR 0.02 ordinary Purchase 14 33.1228 EUR | EUR 0.02 ordinary Purchase 12 32.6400 EUR | EUR 0.02 ordinary Purchase 10 32.8200 EUR | EUR 0.02 ordinary Purchase 8 33.4400 EUR | EUR 0.02 ordinary Purchase 2 32.9390 EUR | EUR 0.02 ordinary Purchase 2 32.8600 EUR | EUR 0.02 ordinary Purchase 2 32.9500 EUR | EUR 0.02 ordinary Purchase 2 32.8590 EUR | EUR 0.02 ordinary Purchase 2 33.2500 EUR | EUR 0.02 ordinary Purchase 2 32.9190 EUR | EUR 0.02 ordinary Sale 14,720 33.5200 EUR | EUR 0.02 ordinary Sale 6,190 33.4360 EUR | EUR 0.02 ordinary Sale 4,460 32.9214 EUR | EUR 0.02 ordinary Sale 3,809 32.9416 EUR | EUR 0.02 ordinary Sale 3,529 33.2082 EUR | EUR 0.02 ordinary Sale 2,419 33.5179 EUR | EUR 0.02 ordinary Sale 1,126 33.4370 EUR | EUR 0.02 ordinary Sale 1,068 33.3882 EUR | EUR 0.02 ordinary Sale 1,056 33.0630 EUR | EUR 0.02 ordinary Sale 823 32.8927 EUR | EUR 0.02 ordinary Sale 635 32.9600 EUR | EUR 0.02 ordinary Sale 546 32.9613 EUR | EUR 0.02 ordinary Sale 528 33.1570 EUR | EUR 0.02 ordinary Sale 510 33.1718 EUR | EUR 0.02 ordinary Sale 351 33.1948 EUR | EUR 0.02 ordinary Sale 318 33.0494 EUR | EUR 0.02 ordinary Sale 282 32.9400 EUR | EUR 0.02 ordinary Sale 279 33.2800 EUR | EUR 0.02 ordinary Sale 267 33.4600 EUR | EUR 0.02 ordinary Sale 266 32.9000 EUR | EUR 0.02 ordinary Sale 248 33.3600 EUR | EUR 0.02 ordinary Sale 229 33.1816 EUR | EUR 0.02 ordinary Sale 226 32.9230 EUR | EUR 0.02 ordinary Sale 218 33.1115 EUR | EUR 0.02 ordinary Sale 199 33.0000 EUR | EUR 0.02 ordinary Sale 185 33.4855 EUR | EUR 0.02 ordinary Sale 170 32.8200 EUR | EUR 0.02 ordinary Sale 148 33.2200 EUR | EUR 0.02 ordinary Sale 135 33.0800 EUR | EUR 0.02 ordinary Sale 135 33.3200 EUR | EUR 0.02 ordinary Sale 129 33.3400 EUR | EUR 0.02 ordinary Sale 116 33.3000 EUR | EUR 0.02 ordinary Sale 86 33.1023 EUR | EUR 0.02 ordinary Sale 80 33.0400 EUR | EUR 0.02 ordinary Sale 73 33.4000 EUR | EUR 0.02 ordinary Sale 60 33.1800 EUR | EUR 0.02 ordinary Sale 48 33.2000 EUR | EUR 0.02 ordinary Sale 46 32.8800 EUR | EUR 0.02 ordinary Sale 44 33.4400 EUR | EUR 0.02 ordinary Sale 38 33.1600 EUR | EUR 0.02 ordinary Sale 37 32.9200 EUR | EUR 0.02 ordinary Sale 36 33.1900 EUR | EUR 0.02 ordinary Sale 31 33.0200 EUR | EUR 0.02 ordinary Sale 30 32.7600 EUR | EUR 0.02 ordinary Sale 29 33.2600 EUR | EUR 0.02 ordinary Sale 28 33.1228 EUR | EUR 0.02 ordinary Sale 26 33.0600 EUR | EUR 0.02 ordinary Sale 24 33.4200 EUR | EUR 0.02 ordinary Sale 24 33.1400 EUR | EUR 0.02 ordinary Sale 23 32.9800 EUR | EUR 0.02 ordinary Sale 20 33.3800 EUR | EUR 0.02 ordinary Sale 12 32.6400 EUR | EUR 0.02 ordinary Sale 5 33.0720 EUR | EUR 0.02 ordinary Sale 3 33.1000 EUR | EUR 0.02 ordinary Sale 3 32.9609 EUR | EUR 0.02 ordinary Sale 2 33.0009 EUR | EUR 0.02 ordinary Sale 2 32.9809 EUR | EUR 0.02 ordinary Sale 2 33.2500 EUR | EUR 0.02 ordinary Sale 2 32.8600 EUR | EUR 0.02 ordinary Sale 2 32.9500 EUR | EUR 0.02 ordinary Sale 1 32.9209 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 49 32.9758 EUR | EUR 0.02 ordinary SWAP Decreasing Short 348 33.2611 EUR | EUR 0.02 ordinary CFD Increasing Short 2,179 33.4401 EUR | EUR 0.02 ordinary CFD Decreasing Short 2,287 32.9234 EUR | EUR 0.02 ordinary CFD Decreasing Short 3 33.1000 EUR | EUR 0.02 ordinary CFD Increasing Short 297 33.4401 EUR | EUR 0.02 ordinary SWAP Decreasing Long 338 33.0147 EUR | EUR 0.02 ordinary SWAP Decreasing Short 2,419 33.5179 EUR | EUR 0.02 ordinary SWAP Increasing Short 1,092 33.5213 EUR | EUR 0.02 ordinary SWAP Increasing Short 777 33.5267 EUR | EUR 0.02 ordinary SWAP Decreasing Short 222 32.9462 EUR | EUR 0.02 ordinary CFD Increasing Short 17 33.0223 EUR | EUR 0.02 ordinary CFD Increasing Short 28 33.3400 EUR | EUR 0.02 ordinary SWAP Increasing Short 643 33.5211 EUR | EUR 0.02 ordinary SWAP Increasing Short 1 32.9600 EUR | EUR 0.02 ordinary SWAP Increasing Short 2,477 32.9013 EUR | EUR 0.02 ordinary SWAP Increasing Short 67 33.0400 EUR | EUR 0.02 ordinary SWAP Decreasing Short 47 33.3000 EUR | EUR 0.02 ordinary SWAP Decreasing Short 823 32.8927 EUR | EUR 0.02 ordinary SWAP Decreasing Short 160 32.8200 EUR | EUR 0.02 ordinary SWAP Decreasing Short 3,809 32.9416 EUR | EUR 0.02 ordinary SWAP Increasing Short 3,279 33.1876 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: 07 Jul 2026 | Contact name: Large Holdings Regulatory Operations | Telephone number: 020 3134 7213 |
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