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: 21 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: 991,526 2.76% 115,615 0.32% | (2) Cash-settled derivatives: | 120,107 0.33% 977,319 2.72% | (3) Stock-settled derivatives (including options) | and agreements to purchase/sell: 0 0.00% 0 0.00% | TOTAL: 1,111,633 3.09% 1,092,934 3.04% | (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 16,234 28.1657 EUR | EUR 0.02 ordinary Purchase 15,606 28.0858 EUR | EUR 0.02 ordinary Purchase 4,551 28.3056 EUR | EUR 0.02 ordinary Purchase 4,383 28.3000 EUR | EUR 0.02 ordinary Purchase 2,028 27.8073 EUR | EUR 0.02 ordinary Purchase 1,592 28.1743 EUR | EUR 0.02 ordinary Purchase 1,570 28.2201 EUR | EUR 0.02 ordinary Purchase 1,530 28.1469 EUR | EUR 0.02 ordinary Purchase 1,528 28.1461 EUR | EUR 0.02 ordinary Purchase 1,262 28.1600 EUR | EUR 0.02 ordinary Purchase 955 28.0254 EUR | EUR 0.02 ordinary Purchase 487 28.0478 EUR | EUR 0.02 ordinary Purchase 436 28.0280 EUR | EUR 0.02 ordinary Purchase 426 28.0442 EUR | EUR 0.02 ordinary Purchase 337 27.9282 EUR | EUR 0.02 ordinary Purchase 292 28.1400 EUR | EUR 0.02 ordinary Purchase 237 27.6733 EUR | EUR 0.02 ordinary Purchase 219 28.1000 EUR | EUR 0.02 ordinary Purchase 200 28.0606 EUR | EUR 0.02 ordinary Purchase 128 27.9950 EUR | EUR 0.02 ordinary Purchase 118 27.9000 EUR | EUR 0.02 ordinary Purchase 112 28.1204 EUR | EUR 0.02 ordinary Purchase 96 28.0233 EUR | EUR 0.02 ordinary Purchase 87 27.7689 EUR | EUR 0.02 ordinary Purchase 81 28.1800 EUR | EUR 0.02 ordinary Purchase 74 28.1791 EUR | EUR 0.02 ordinary Purchase 58 28.2200 EUR | EUR 0.02 ordinary Purchase 51 28.1300 EUR | EUR 0.02 ordinary Purchase 50 28.0800 EUR | EUR 0.02 ordinary Purchase 26 28.0830 EUR | EUR 0.02 ordinary Purchase 1 27.5600 EUR | EUR 0.02 ordinary Purchase 1 28.1100 EUR | EUR 0.02 ordinary Sale 8,300 28.1764 EUR | EUR 0.02 ordinary Sale 8,117 28.1657 EUR | EUR 0.02 ordinary Sale 4,279 28.3000 EUR | EUR 0.02 ordinary Sale 3,898 28.2684 EUR | EUR 0.02 ordinary Sale 1,702 28.0600 EUR | EUR 0.02 ordinary Sale 1,592 28.1743 EUR | EUR 0.02 ordinary Sale 1,258 28.1539 EUR | EUR 0.02 ordinary Sale 765 28.1469 EUR | EUR 0.02 ordinary Sale 764 28.1461 EUR | EUR 0.02 ordinary Sale 631 28.1600 EUR | EUR 0.02 ordinary Sale 426 28.0470 EUR | EUR 0.02 ordinary Sale 425 28.0412 EUR | EUR 0.02 ordinary Sale 367 28.0000 EUR | EUR 0.02 ordinary Sale 337 27.9282 EUR | EUR 0.02 ordinary Sale 334 28.2514 EUR | EUR 0.02 ordinary Sale 204 28.0400 EUR | EUR 0.02 ordinary Sale 168 28.1400 EUR | EUR 0.02 ordinary Sale 131 28.0800 EUR | EUR 0.02 ordinary Sale 128 28.0225 EUR | EUR 0.02 ordinary Sale 128 28.1050 EUR | EUR 0.02 ordinary Sale 116 28.2200 EUR | EUR 0.02 ordinary Sale 109 28.0777 EUR | EUR 0.02 ordinary Sale 104 27.7423 EUR | EUR 0.02 ordinary Sale 102 28.1300 EUR | EUR 0.02 ordinary Sale 101 27.7400 EUR | EUR 0.02 ordinary Sale 82 28.0500 EUR | EUR 0.02 ordinary Sale 74 28.1800 EUR | EUR 0.02 ordinary Sale 59 27.9000 EUR | EUR 0.02 ordinary Sale 21 28.0152 EUR | EUR 0.02 ordinary Sale 6 28.0900 EUR | EUR 0.02 ordinary Sale 3 27.8200 EUR | EUR 0.02 ordinary Sale 2 27.5600 EUR | EUR 0.02 ordinary Sale 1 28.1100 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 Decreasing Short 250 28.2906 EUR | EUR 0.02 ordinary CFD Increasing Short 5,429 28.2519 EUR | EUR 0.02 ordinary CFD Increasing Short 2,028 27.8073 EUR | EUR 0.02 ordinary CFD Increasing Short 5,312 28.0709 EUR | EUR 0.02 ordinary CFD Increasing Short 337 27.9282 EUR | EUR 0.02 ordinary CFD Decreasing Short 21 28.0152 EUR | EUR 0.02 ordinary SWAP Decreasing Short 2,925 28.3000 EUR | EUR 0.02 ordinary SWAP Increasing Short 3,755 28.3056 EUR | EUR 0.02 ordinary SWAP Increasing Short 796 28.3056 EUR | EUR 0.02 ordinary SWAP Opening Long 2,004 28.0957 EUR | EUR 0.02 ordinary SWAP Increasing Short 26 28.0830 EUR | EUR 0.02 ordinary CFD Decreasing Short 51 28.1300 EUR | EUR 0.02 ordinary CFD Increasing Short 7 28.1800 EUR | EUR 0.02 ordinary SWAP Decreasing Short 6 28.0900 EUR | EUR 0.02 ordinary SWAP Increasing Short 224 28.0071 EUR | EUR 0.02 ordinary SWAP Decreasing Short 256 28.0637 EUR | EUR 0.02 ordinary SWAP Increasing Short 59 27.9000 EUR | EUR 0.02 ordinary SWAP Decreasing Short 58 28.2200 EUR | EUR 0.02 ordinary SWAP Decreasing Short 446 28.0091 EUR | EUR 0.02 ordinary SWAP Increasing Short 237 27.6733 EUR | EUR 0.02 ordinary SWAP Increasing Short 523 27.9849 EUR | EUR 0.02 ordinary SWAP Increasing Short 15,606 28.0858 EUR | EUR 0.02 ordinary SWAP Decreasing Short 8,300 28.1764 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: 22 Jul 2026 | Contact name: Large Holdings Regulatory Operations | Telephone number: 020 3134 7213 |
RNS may use your IP address to confirm compliance with the terms and conditions, to analyse how you engage with the information contained in this communication, and to share such analysis on an anonymised basis with others as part of our commercial services. For further information about how RNS and the London Stock Exchange use the personal data you provide us, please see our Privacy Policy. END RETAKBBQDBKDDOB