Announcement PDF Maritana Minerals Limited | ABN 88 007 761 186 | maritanaminerals.com.au PO Box 1064, West Perth WA 6872 | +61 8 9386 9534 | info@maritanaminerals.com.au ASX: MRT ASX ANNOUNCEMENT 17 September 2026 CHANGE OF REGISTERED OFFICE AND PRINCIPAL PLACE OF BUSINESS Maritana Minerals Limited (ASX: MRT) (Company) wishes to advise that in accordance with ASX Listing Rule 3.14, its registered office and principal place of business address will change, effective on Monday, 21 September 2026 to: Westcentre Level 4, 1260 Hay Street WEST PERTH WA 6005 The Company’s phone number remains unchanged. All other details remain unchanged. Authorised for release by the Board of Directors. For further information, please contact: Grant Haywood Michael Vaughan Managing Director and CEO Investor and Media Relations – Fivemark grant.haywood@maritanaminerals.com.au michael.vaughan@fivemark.com.au +61 8 9386 9534 +61 422 602 720 JOIN MARITANA MINERALS INTERACTIVE HUB Visit https://maritanaminerals.com.au/auth/signup for Maritana Minerals’ Interactive InvestorHub MARITANA MINERALS Email: info@maritanaminerals.com.au