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: 10 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: 921,307 2.58% 107,871 0.30% | (2) Cash-settled derivatives: | 112,525 0.31% 907,432 2.54% | (3) Stock-settled derivatives (including options) | and agreements to purchase/sell: 0 0.00% 0 0.00% | TOTAL: 1,033,832 2.89% 1,015,303 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 12,920 32.0000 EUR | EUR 0.02 ordinary Purchase 3,598 31.9658 EUR | EUR 0.02 ordinary Purchase 2,806 32.0205 EUR | EUR 0.02 ordinary Purchase 1,712 32.0523 EUR | EUR 0.02 ordinary Purchase 1,672 31.9184 EUR | EUR 0.02 ordinary Purchase 1,620 31.9832 EUR | EUR 0.02 ordinary Purchase 1,527 31.9675 EUR | EUR 0.02 ordinary Purchase 1,500 32.0303 EUR | EUR 0.02 ordinary Purchase 1,302 32.0771 EUR | EUR 0.02 ordinary Purchase 622 31.8877 EUR | EUR 0.02 ordinary Purchase 434 32.0626 EUR | EUR 0.02 ordinary Purchase 370 32.0010 EUR | EUR 0.02 ordinary Purchase 238 31.9506 EUR | EUR 0.02 ordinary Purchase 202 31.8443 EUR | EUR 0.02 ordinary Purchase 194 32.0600 EUR | EUR 0.02 ordinary Purchase 141 31.9400 EUR | EUR 0.02 ordinary Purchase 118 31.7338 EUR | EUR 0.02 ordinary Purchase 115 31.9843 EUR | EUR 0.02 ordinary Purchase 106 32.0266 EUR | EUR 0.02 ordinary Purchase 105 31.9760 EUR | EUR 0.02 ordinary Purchase 60 32.0050 EUR | EUR 0.02 ordinary Purchase 59 32.0423 EUR | EUR 0.02 ordinary Purchase 53 31.9936 EUR | EUR 0.02 ordinary Purchase 51 31.7800 EUR | EUR 0.02 ordinary Purchase 48 32.0608 EUR | EUR 0.02 ordinary Purchase 40 32.1200 EUR | EUR 0.02 ordinary Purchase 24 31.9800 EUR | EUR 0.02 ordinary Purchase 23 31.9000 EUR | EUR 0.02 ordinary Purchase 12 32.0200 EUR | EUR 0.02 ordinary Purchase 10 32.0800 EUR | EUR 0.02 ordinary Purchase 5 32.1600 EUR | EUR 0.02 ordinary Purchase 3 31.8000 EUR | EUR 0.02 ordinary Sale 12,811 32.0000 EUR | EUR 0.02 ordinary Sale 3,598 31.9658 EUR | EUR 0.02 ordinary Sale 2,725 31.9559 EUR | EUR 0.02 ordinary Sale 2,604 32.0771 EUR | EUR 0.02 ordinary Sale 1,533 32.0314 EUR | EUR 0.02 ordinary Sale 1,303 32.0272 EUR | EUR 0.02 ordinary Sale 1,245 31.8325 EUR | EUR 0.02 ordinary Sale 1,160 31.9783 EUR | EUR 0.02 ordinary Sale 856 32.0523 EUR | EUR 0.02 ordinary Sale 836 31.9184 EUR | EUR 0.02 ordinary Sale 324 31.9918 EUR | EUR 0.02 ordinary Sale 297 32.0187 EUR | EUR 0.02 ordinary Sale 230 31.9843 EUR | EUR 0.02 ordinary Sale 217 32.0626 EUR | EUR 0.02 ordinary Sale 210 31.9760 EUR | EUR 0.02 ordinary Sale 203 32.0099 EUR | EUR 0.02 ordinary Sale 182 31.7668 EUR | EUR 0.02 ordinary Sale 156 32.0300 EUR | EUR 0.02 ordinary Sale 150 31.9740 EUR | EUR 0.02 ordinary Sale 143 31.7696 EUR | EUR 0.02 ordinary Sale 129 32.0649 EUR | EUR 0.02 ordinary Sale 118 31.7338 EUR | EUR 0.02 ordinary Sale 118 31.7348 EUR | EUR 0.02 ordinary Sale 108 31.8600 EUR | EUR 0.02 ordinary Sale 103 31.8400 EUR | EUR 0.02 ordinary Sale 94 32.0378 EUR | EUR 0.02 ordinary Sale 77 32.0600 EUR | EUR 0.02 ordinary Sale 51 31.7800 EUR | EUR 0.02 ordinary Sale 40 32.1200 EUR | EUR 0.02 ordinary Sale 25 32.0200 EUR | EUR 0.02 ordinary Sale 24 31.9800 EUR | EUR 0.02 ordinary Sale 23 31.9000 EUR | EUR 0.02 ordinary Sale 7 32.0800 EUR | EUR 0.02 ordinary Sale 6 31.8000 EUR | EUR 0.02 ordinary Sale 2 31.9400 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 48 32.0803 EUR | EUR 0.02 ordinary SWAP Decreasing Long 106 32.0265 EUR | EUR 0.02 ordinary SWAP Decreasing Short 292 32.0058 EUR | EUR 0.02 ordinary CFD Increasing Short 791 31.9118 EUR | EUR 0.02 ordinary CFD Closing Short 76 32.0771 EUR | EUR 0.02 ordinary CFD Opening Long 1,226 32.0771 EUR | EUR 0.02 ordinary CFD Increasing Short 5 32.1600 EUR | EUR 0.02 ordinary SWAP Decreasing Short 324 31.9918 EUR | EUR 0.02 ordinary SWAP Increasing Short 217 32.0626 EUR | EUR 0.02 ordinary CFD Decreasing Long 856 32.0523 EUR | EUR 0.02 ordinary SWAP Increasing Short 324 32.0000 EUR | EUR 0.02 ordinary SWAP Increasing Short 1,676 32.0218 EUR | EUR 0.02 ordinary CFD Closing Long 370 32.0010 EUR | EUR 0.02 ordinary SWAP Increasing Short 119 32.0235 EUR | EUR 0.02 ordinary SWAP Decreasing Short 150 31.9740 EUR | EUR 0.02 ordinary SWAP Decreasing Short 13 32.0200 EUR | EUR 0.02 ordinary SWAP Decreasing Short 105 31.9760 EUR | EUR 0.02 ordinary SWAP Increasing Short 238 31.9506 EUR | EUR 0.02 ordinary SWAP Decreasing Short 264 31.9604 EUR | EUR 0.02 ordinary SWAP Increasing Short 258 31.9944 EUR | EUR 0.02 ordinary SWAP Decreasing Short 2,725 31.9559 EUR | EUR 0.02 ordinary SWAP Increasing Short 1,527 31.9675 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: 13 Jul 2026 | Contact name: Large Holdings Regulatory Operations | Telephone number: 020 3134 7213 |
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