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: 13 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: 936,895 2.60% 107,774 0.30% | (2) Cash-settled derivatives: | 112,419 0.31% 923,460 2.57% | (3) Stock-settled derivatives (including options) | and agreements to purchase/sell: 0 0.00% 0 0.00% | TOTAL: 1,049,314 2.92% 1,031,234 2.87% | (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 10,456 32.0011 EUR | EUR 0.02 ordinary Purchase 8,811 32.0000 EUR | EUR 0.02 ordinary Purchase 4,448 31.7555 EUR | EUR 0.02 ordinary Purchase 3,938 31.8396 EUR | EUR 0.02 ordinary Purchase 2,322 31.9055 EUR | EUR 0.02 ordinary Purchase 1,683 31.9374 EUR | EUR 0.02 ordinary Purchase 1,681 32.0012 EUR | EUR 0.02 ordinary Purchase 1,200 31.6591 EUR | EUR 0.02 ordinary Purchase 1,194 31.8882 EUR | EUR 0.02 ordinary Purchase 1,118 31.9244 EUR | EUR 0.02 ordinary Purchase 667 31.9149 EUR | EUR 0.02 ordinary Purchase 385 31.8984 EUR | EUR 0.02 ordinary Purchase 177 31.7788 EUR | EUR 0.02 ordinary Purchase 153 31.9713 EUR | EUR 0.02 ordinary Purchase 106 31.8571 EUR | EUR 0.02 ordinary Purchase 82 31.8600 EUR | EUR 0.02 ordinary Purchase 75 31.9200 EUR | EUR 0.02 ordinary Purchase 74 31.9800 EUR | EUR 0.02 ordinary Purchase 74 31.8800 EUR | EUR 0.02 ordinary Purchase 59 32.0122 EUR | EUR 0.02 ordinary Purchase 58 31.7406 EUR | EUR 0.02 ordinary Purchase 58 32.0300 EUR | EUR 0.02 ordinary Purchase 58 32.0550 EUR | EUR 0.02 ordinary Purchase 46 32.0200 EUR | EUR 0.02 ordinary Purchase 43 31.8311 EUR | EUR 0.02 ordinary Purchase 40 31.9400 EUR | EUR 0.02 ordinary Purchase 31 31.9000 EUR | EUR 0.02 ordinary Purchase 28 31.8400 EUR | EUR 0.02 ordinary Purchase 24 32.0400 EUR | EUR 0.02 ordinary Purchase 21 31.7600 EUR | EUR 0.02 ordinary Purchase 10 31.7200 EUR | EUR 0.02 ordinary Purchase 8 31.8200 EUR | EUR 0.02 ordinary Purchase 3 32.1400 EUR | EUR 0.02 ordinary Sale 8,007 31.7870 EUR | EUR 0.02 ordinary Sale 5,932 32.0000 EUR | EUR 0.02 ordinary Sale 1,868 31.7209 EUR | EUR 0.02 ordinary Sale 1,737 31.9980 EUR | EUR 0.02 ordinary Sale 1,341 32.0064 EUR | EUR 0.02 ordinary Sale 840 31.9360 EUR | EUR 0.02 ordinary Sale 732 31.8346 EUR | EUR 0.02 ordinary Sale 681 31.9182 EUR | EUR 0.02 ordinary Sale 453 31.2210 EUR | EUR 0.02 ordinary Sale 421 31.8314 EUR | EUR 0.02 ordinary Sale 197 32.0985 EUR | EUR 0.02 ordinary Sale 160 31.9400 EUR | EUR 0.02 ordinary Sale 107 31.9403 EUR | EUR 0.02 ordinary Sale 98 31.7400 EUR | EUR 0.02 ordinary Sale 94 31.8200 EUR | EUR 0.02 ordinary Sale 89 31.7474 EUR | EUR 0.02 ordinary Sale 89 31.7106 EUR | EUR 0.02 ordinary Sale 82 31.8600 EUR | EUR 0.02 ordinary Sale 75 31.9200 EUR | EUR 0.02 ordinary Sale 74 31.8800 EUR | EUR 0.02 ordinary Sale 74 31.9800 EUR | EUR 0.02 ordinary Sale 66 31.9064 EUR | EUR 0.02 ordinary Sale 55 31.9720 EUR | EUR 0.02 ordinary Sale 46 32.0200 EUR | EUR 0.02 ordinary Sale 38 31.8400 EUR | EUR 0.02 ordinary Sale 35 31.9000 EUR | EUR 0.02 ordinary Sale 24 32.0400 EUR | EUR 0.02 ordinary Sale 21 31.7600 EUR | EUR 0.02 ordinary Sale 7 31.8542 EUR | EUR 0.02 ordinary Sale 3 32.1400 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 32.0403 EUR | EUR 0.02 ordinary SWAP Closing Long 106 31.8571 EUR | EUR 0.02 ordinary SWAP Decreasing Short 11 31.8490 EUR | EUR 0.02 ordinary CFD Decreasing Short 453 31.2184 EUR | EUR 0.02 ordinary CFD Increasing Short 10 31.7200 EUR | EUR 0.02 ordinary SWAP Decreasing Short 7 31.7395 EUR | EUR 0.02 ordinary SWAP Increasing Short 1,681 32.0012 EUR | EUR 0.02 ordinary SWAP Increasing Short 4,166 32.0012 EUR | EUR 0.02 ordinary SWAP Increasing Short 868 32.0011 EUR | EUR 0.02 ordinary SWAP Increasing Short 141 32.0012 EUR | EUR 0.02 ordinary SWAP Increasing Short 1,173 31.9158 EUR | EUR 0.02 ordinary CFD Increasing Short 3,679 31.9008 EUR | EUR 0.02 ordinary SWAP Decreasing Short 1,737 31.9980 EUR | EUR 0.02 ordinary SWAP Increasing Short 5,281 32.0011 EUR | EUR 0.02 ordinary SWAP Decreasing Short 178 31.7290 EUR | EUR 0.02 ordinary SWAP Decreasing Short 681 31.9182 EUR | EUR 0.02 ordinary SWAP Increasing Short 4,448 31.7555 EUR | EUR 0.02 ordinary SWAP Decreasing Short 55 31.9720 EUR | EUR 0.02 ordinary SWAP Increasing Short 2,005 32.0000 EUR | EUR 0.02 ordinary SWAP Increasing Short 498 32.0000 EUR | EUR 0.02 ordinary SWAP Increasing Short 59 32.0122 EUR | EUR 0.02 ordinary SWAP Increasing Short 116 32.0425 EUR | EUR 0.02 ordinary SWAP Decreasing Short 120 31.9400 EUR | EUR 0.02 ordinary SWAP Decreasing Short 732 31.8346 EUR | EUR 0.02 ordinary SWAP Decreasing Short 487 31.8416 EUR | EUR 0.02 ordinary SWAP Increasing Short 385 31.8983 EUR | EUR 0.02 ordinary SWAP Decreasing Short 8,007 31.7870 EUR | EUR 0.02 ordinary SWAP Increasing Short 3,938 31.8396 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: 14 Jul 2026 | Contact name: Large Holdings Regulatory Operations | Telephone number: 020 3134 7213 |
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