Announcement PDF Appendix 3Y Change of Director’s Interest Notice + See chapter 19 for defined terms. 01/01/2011 Appendix 3Y Page 1 Rule3.19A.2 Appendix 3Y ChangeofDirector’sInterestNotice InformationordocumentsnotavailablenowmustbegiventoASXassoonasavailable. Informationanddocumentsgivento ASXbecomeASX’spropertyandmaybemadepublic. Introduced30/09/01 Amended01/01/11 Nameofentity WestCoastSilverLimited ABN 95155472834 We (the entity) give ASX the following information under listing rule 3.19A.2 and as agent for the director for the purposesofsection205GoftheCorporationsAct. NameofDirector BruceGarlick Dateoflastnotice 2April2026 Part1-Changeofdirector’srelevantinterestsinsecurities Inthecaseofatrust,thisincludesinterestsinthetrustmadeavailablebytheresponsibleentityofthetrust Note:Inthecaseofacompany,interestswhichcomewithinparagraph(i)ofthedefinitionof“notifiableinterestofadirector”shouldbedisclosedinthispart. Directorindirectinterest (a) Direct (b) Indirect Natureofindirectinterest (includingregisteredholder) Note:Providedetailsofthecircumstancesgivingrisetotherelevantinterest. (b) BruceGarlickSuperannuationPtyLtd <BruceMontgomeryGarlickA/C> (BruceGarlickisadirectorandbeneficiary) Dateofchange 22May2026 No.ofsecuritiesheldpriortochange Interest Shares Options PR^ (a) – 1,500,000 – (b) 3,719,279 – – ^PR=Performancerights Class (a) Unlistedoptions (b) Fullypaidordinaryshares Numberacquired (b) 1,500,000 Numberdisposed (a) 1,500,000 Value/Consideration Note:Ifconsiderationisnon-cash,providedetailsandestimatedvaluation Exercise ofunlistedoptionsatanexerciseprice of$0.04 perunlistedoption,withsharesissued uponexerciseat a deemed issue price of $0.04 per share, being the exerciseprice. Appendix 3Y Change of Director’s Interest Notice + See chapter 19 for defined terms. Appendix 3Y Page 2 01/01/2011 No.ofsecuritiesheldafterchange Interest Shares Options PR^ (a) – – – (b) 5,219,279 – – (c) – – – ^PR=Performancerights Natureofchange Example: on-market trade, off-market trade, exercise of options, issue of securitiesunderdividendreinvestmentplan,participationinbuy-back Exercise of unlisted options and issue of Shares on exerciseoftheunlistedoptions. Part2–Changeofdirector’sinterestsincontracts Note:Inthecaseofacompany,interestswhichcomewithinparagraph(ii)ofthedefinitionof“notifiableinterestofadirector”shouldbedisclosedinthispart. Detailofcontract Natureofinterest Nameofregisteredholder (ifissuedsecurities) Dateofchange No. and class of securities to which interestrelatedpriortochange Note:Detailsareonlyrequiredforacontractinrelationtowhich theinteresthaschanged Interestacquired Interestdisposed Value/Consideration Note: If consideration is non-cash, provide details and an estimatedvaluation Interestafterchange Part3–+Closedperiod Were the interests in the securities or contracts detailed above tradedduringa+closedperiodwherepriorwrittenclearancewas No If so, was prior written clearance provided to allow the trade to proceedduringthisperiod? N/A If prior written clearance was provided, on what date was this provided? N/A Date: 22May2026