Announcement PDF 3 October 2024 NOTICE OF DATE OF AGM AND CLOSING DATE FOR DIRECTOR NOMINATIONS Horizon Gold Limited (ASX Code: HRN) (“Horizon” or “Company”) advises in accordance with ASX Listing Rule 3.13.1, that the Company will hold its Annual General Meeting on Thursday 21 November 2024 at 9.30am (AWST). All director nominations, together with a consent to act, for election at the 2024 Annual General Meeting are to be received in writing no later than 5.00pm (AWST) on 10 October 2024 at the Company’s registered office, Suite 8, Level 3, 47 Havelock Street, West Perth, Western Australia 6005. Further information on the Company’s 2024 Annual General Meeting will be provided in the Notice of Annual General Meeting which will be released to the ASX on or before 18 October 2024. This announcement has been authorised by the Board of Horizon. For further information please contact: Leigh Ryan Managing Director Perth, Western Australia + 61 8 6331 6092 lryan@horizongold.com.au 1 Horizon Gold Limited ACN: 614 175 923 Suite 8, Level 3, 47 Havelock Street, West Perth WA 6005 | PO Box 39, West Perth WA 6872 Telephone: +61 8 6331 6092 | Email: info@horizongold.com.au | Website: www.horizongold.com.au