Announcement PDF ASX: HRZ ASX ANNOUNCEMENT 12 SEPTEMBER 2023 CHANGE OF REGISTRY ADDRESS NOTIFICATION In accordance with ASX Listing Rule 3.15.1 and with effect from commencement of business on Monday, 18 September 2023, the Perth office of Computershare Investor Services Pty Limited is moving to: Level 17 221 St Georges Terrace Perth WA 6000 Telephone numbers and postal address remain unchanged. Lodgement of documentation by member organisations, security holders and other parties must be made at the new address from Monday, 18 September 2023. Authorised for release by the Board of Directors Julian Tambyrajah Chief Financial Officer & Company Secretary Tel: +61 8 9386 9534 julian.tambyrajah@horizonminerals.com.au 163 Stirling Hwy Nedlands WA 6009 PO Box 1104 Nedlands WA 6909 T: +61 8 9386 9534 E: info@horizonminerals.com.au horizonminerals.com.au ACN 007 761 186 ABN 88 007 761 186