Announcement PDF ASX:WCE ANNOUNCEMENT 28 May 2025 CLEANSING NOTICE This notice is given by West Coast Silver Limited (ASX:WCE) (‘West Coast’ or ‘the Company’) (previously under section 708A(5)(e) of the Corporations Act 2001 (Cth) (‘Corporations Act’). known as Errawarra Resources Ltd) The Company advises that 4,144,752 fully paid ordinary shares were issued as payment in lieu of fees to the Placement announced on 24 March 2025 and are detailed in the Appendix 2A lodged with ASX on 28 May 2025. The Corporations Act restricts the on-sale of securities issued without disclosure unless the sale is exempt under section 708 and 708A of the Corporations Act. By the Company giving this notice, the shares issued as payment in lieu of fees will fall within the exemption in section 708A(5) of the Corporations Act. In accordance with section 708A(5)(e) of the Corporations Act, the Company gives notice that: (1) the issue of the fully paid ordinary shares outlined above were issued without disclosure under Part 6D.2 of the Corporations Act; (2) this notice is being given under section 708A(5)(e) of the Corporations Act; (3) as at the date of this notice, the Company has complied with: (4) (a) the provision of Chapter 2M of the Corporations Act as they apply to the Company; and (b) section 674 and section 674A of the Corporations Act; and as at the date of this notice, there is no information that is ‘excluded information’ (within the meaning of sections 708A(7) of the Corporations Act) which is required to be disclosed under section 708A(8) of the Corporations Act. WEST COAST SILVER LIMITED ASX | WCE ACN: 155 472 834 REGISTERED OFFICE Level 2, 10 Ord Street West Perth, WA 6005 PO Box 1227, West Perth WA 6872, Australia info@westcoastsilver.com.au +61 8 9322 3383 westcoastsilver.com.au ASX:WCE ANNOUNCEMENT 28 May 2025 The updated capital structure is shown below. Updated Capital Structure Number of securities Ordinary fully paid sharesA 260,120,976 Unlisted Options exercisable at $0.25 each expiring on or before 29 June 2025 1,000,000 Unlisted Options exercisable at $0.25 each expiring on or before 25 September 2025 1,500,000 Unlisted Options exercisable at $0.25 each expiring on or before 30 November 2025 1,500,000 Unlisted Options exercisable at $0.40 each expiring on or before 21 April 2026 2,000,000 Unlisted Options exercisable at $0.18 each expiring on or before 30 October 2026 3,525,000 Unlisted Options exercisable at $0.117 each expiring on or before 25 November 2025 1,200,000 Unlisted Options exercisable at $0.04 each expiring on or before 18 May 2028 11,000,000 Unlisted Options exercisable at $0.04 each expiring on or before 21 May 2028 8,437,500 Performance Rights Class B expiring on or before 21 April 2027 5,000,000 Performance Rights expiring on or before 18 May 2028 12,000,000 A Consist of the following: • 234,139,494 fully paid ordinary shares • 12,990,741 fully paid ordinary shares escrowed to 21 November 2025 • 12,990,741 fully paid ordinary shares escrowed to 21 May 2026 This announcement has been authorised for release by Mrs Mindy Ku, Company Secretary, on behalf of the Board of Directors of West Coast Silver Ltd. For further information, please contact: Mindy Ku Company Secretary West Coast Silver Ltd E: info@westcoastsilver.com.au WEST COAST SILVER LIMITED ASX | WCE Page 2