Announcement PDF Gum Creek Gold Project horizongold.com.au AGM Presentation 23 November 2023 ASX: HRN IMPORTANT NOTICE AND DISCLAIMER No New Information or Data This presentation contains references to exploration results and Resource estimates, all of which have been cross referenced to previous market announcements made by the Company. The Company confirms that it is not aware of any new information or data that materially affects the information included in the relevant market announcements and, in the case of estimates of Mineral Resources, that all material assumptions and technical parameters underpinning the estimates in the relevant market announcement continue to apply and have not materially changed. Forward Looking Statements This presentation may contain certain “forward-looking statements” which may not have been based solely on historical facts, but rather may be based on the Company’s current expectations about future events and results. Where the Company expresses or implies an expectation or belief as to future events or results, such expectation or belief is expressed in good faith and believed to have a reasonable basis. However, forward looking statements are subject to risks, uncertainties, assumptions and other factors, which could cause actual results to differ materially from future results expressed, projected or implied by such forward-looking statements. Such risks include, but are not limited to metals price volatility, currency fluctuations, as well as political and operational risks and governmental regulation and judicial outcomes. Competent Persons Statement The information in this report that relates to exploration activities and exploration results is based on information compiled by Mr Leigh Ryan, who is a member of The Australasian Institute of Geoscientists. Mr Ryan is the Managing Director of Horizon Gold Limited and holds shares and options in the Company, Mr Ryan has sufficient experience, which is relevant to the style of mineralisation and type of deposit under consideration and to the activity which he is undertaking to qualify as a Competent Person as defined in the 2012 Edition of the "Australasian Code for Reporting of Exploration Results, Mineral Resources and Ore Reserves”. Mr Ryan consents to the inclusion in the report of the matters based on information provided in the form and context in which it appears. 2 SOUND INVESTMENT OPPORTUNITY 663km2 2.14Moz +1Moz Dominant tenement holding over most prospective parts of the Gum Creek Greenstone Belt centred ~80km NNE of Sandstone 44.5Mt @ 1.50g/t Au* Mineral Resource Estimate on granted mining leases +1Moz historical production from the mining leases through the Gidgee mill +40 targets 40 mines Infrastructure High quality brownfields and greenfields exploration targets along 80km of continuous strike 37 historic open pits and 3 underground gold mines all with the potential to add further gold resources along strike and at depth Significant existing infrastructure: mine camp, tailings dam, air strip, extensive haul road network and relic processing plant * Refer to Horizon Gold ASX Announcement dated 15 May 2023 titled “19% Increase in Gold Resources at Gum Creek Project” and Appendix 1 for more details 3 CORPORATE ASX code 12 MONTH SHARE PRICE $0.40 $0.38 Share price (22/11/2023) $0.29c Shares on issue 144.8M Market capitalisation (22/11/2023) $42.0M Cash (22/11/2023) $1.8M Alto Metals Investment (22/11/2023) *$2.7M Enterprise Value $37.5M $0.36 Major shareholder $0.34 BOARD OF DIRECTORS Non-Executive Chairman $0.32 Managing Director $0.30 HRN **ASX:ZER 75.0% Peter Sullivan Leigh Ryan Non-Executive Director Jamie Sullivan Non-Executive Director Peter Venn Non-Executive Director Dugald Morrison Company Secretary Trevor O’Connor $0.28 $0.26 Visible gold in Swan underground ore * Market value of 60,764,746 shares (8.5%) in Alto Metals (ASX: AME) as at 22/11/2023 ** As per substantial shareholder notice dated 14 November 2023 4 GUM CREEK PROJECT ▪ Focussed on one flagship project within a world class gold mining district ▪ Combined 3.7Moz of undeveloped resources in the Sandstone-Gum Creek region (HRN, AME, GML) ▪ High gold resource growth area ▪ 1.1Moz gold produced from the Gidgee mill between 1987 and 2005 (Arimco, Australian Resources, Abelle, & Legend Mining) ▪ Mining ceased in March 2005 when the gold price was around A$560/oz ▪ Strategy is to build on the 2.14Moz Mineral Resource Estimate (MRE) and develop a standalone mining operation ▪ Free milling open pit Scoping Study underway Swan pit (looking west) 5 GUM CREEK SCOPING STUDY ▪ Scoping study underway for potential recommencement of production based on the following parameters: ▪ Whittle optimised in-pit gold resources ▪ Free milling ore only ▪ Processing throughput between 2.0Mtpa to 3.0Mtpa ▪ 10 to 15 year mine life ▪ Processing plant located at previously permitted Gidgee mill site using established infrastructure wherever possible (e.g. camp, air strip, haul roads, tailings dam, ROM pad etc.) ▪ In-pit water resources to be used for ore processing ▪ Renewable power and local grid power options ▪ Study completion due March Quarter 2024 ▪ Wilsons underground mining scoping study under consideration 6 GUM CREEK RESOURCES & TARGETS ▪ Current Gum Creek MRE of 2.14Moz @ 1.50g/t Au (63% Indicated) all on mining leases granted pre-native title ▪ MRE increase of 777Koz (57%) over the past 2 years at a discovery cost of less than A$15/oz ▪ Over 61% of the MRE is free milling (1.3Moz @ 1.22g/t Au) ▪ Five main resource areas including: Gidgee Shear Zone Wyooda/Heron Group Howards Wilsons Shear Zone Snook Group ▪ +40 gold resource targets over 80km of continuous strike ▪ Continued focus on shallow free milling oxide targets close to existing haul roads ▪ Excellent additional resource expansion potential 7 Kingfisher pit (looking south) GIDGEE SHEAR ZONE ▪ 7km long mineralised system hosting 885,800oz @ 1.53g/t Au close to the Gidgee Mill (MRE 60% Indicated) ▪ Sub-parallel shears up to 60m wide with mineralisation open along strike and down plunge at all deposits ▪ Excellent potential to expand the open cut and underground gold resources (majority of drilling <100m) ▪ Infill drilling planned for potential maiden MRE’s at Toucan, Goldfinch, Robin and South Shrike ▪ All free milling with >90% cyanide leach gold recoveries in oxide, transition & fresh ore Long Section showing all drill traces, existing pits, $2800/oz optimised pit shells, >0.2g/t Au mineralisation & resource block models coloured by Au (g/t). Refer to Horizon Gold Limited ASX announcements titled “32% Increase in Resources at Gum Creek” dated 25 July 2022 & “19% Increase in Gold Resources at Gum Creek Project” dated 15 May 2023 for resource & pit optimisation information. 8 WYOODA / HERON GROUP ▪ 7km long Wyooda / Heron shear zone hosts a current MRE of 284,800oz @ 1.58g/t Au ~15km along the haul road to the south of the Gidgee mill ▪ Shallow wide-spaced historic drilling with significant potential to define additional shallow open cut gold resources along strike and at depth at all seven deposits ▪ >90% cyanide leach gold recoveries in oxide and transitional ore Long Section showing all drill traces, existing pits, $2800/oz optimised pit shells, >0.2g/t Au mineralisation & resource block models coloured by Au (g/t). Refer to Horizon Gold Limited ASX announcements titled “32% Increase in Resources at Gum Creek” dated 25 July 2022 & “19% Increase in Gold Resources at Gum Creek Project” dated 15 May 2023 for resource and pit optimisation information. 9 HOWARDS DEPOSIT ▪ Howards MRE: 266,900oz @ 0.81g/t Au (0.4g/t Au cut off) ▪ No previous mining, gold mineralisation at surface up to 50m thick ▪ >90% cyanide leach gold recoveries in oxide, transition & fresh ore ▪ Excellent potential to further increase the gold resource at shallow depths along strike to the north and south, and expand optimised pit shells Refer to Horizon Gold Limited ASX announcements titled “19% Increase in Gold Resources at Gum Creek Project” dated 15 May 2023 for resource and pit optimisation information and titled “Shallow High Grade Gold Intercepts Returned from Howards RC Drilling” dated 24 October 2022 and “Gum Creek Geological Review” dated 15 February 2021 for drill intercept information. 10 WILSONS SHEAR ZONE ▪ 11km long shear hosting gold mineralisation on a mafic/sediment contact & within adjacent fractionated dolerites ▪ Shallow drilling along strike to the north of Wilsons with good potential to add maiden gold resources at the Cab Sav and Camel Bore South prospects ▪ 391,000oz @ 5.4g/t Au MRE at Wilsons deposit (90% Indicated) ▪ Outstanding historic drill intercepts at Wilsons with potential to define further high-grade gold resources at depth (down plunge) ▪ Wilsons sulphide ore (arsenopyrite) metallurgical testwork produced an overall metallurgical gold recovery of 87-90%. Long Section showing all drill traces, existing pits, $2800/oz optimised pit shells, >0.2g/t Au mineralisation & resource block models coloured by Au (g/t). Refer to Horizon Gold Limited ASX announcements titled “32% Increase in Resources at Gum Creek” dated 25 July 2022 & “19% Increase in Gold Resources at Gum Creek Project” dated 15 May 2023 for resource & pit optimisation information & Panoramic Resources Limited ASX Announcement titled “Corporate Strategy and positive gold results” dated 27 June 2016 for metallurgy information 11 SNOOK GROUP ▪ Combined MRE of 81,200oz @ 1.64g/t Au over 4.5km of strike ▪ Shallow drilling to date, with good potential to define significant additional resources along strike and at depth at Snook, Melbourne Bitter and Wahoo prospects ▪ Infill drilling planned for potential maiden MRE’s at Cobia and Alma May Long Section showing all drill traces, existing pits, $2800/oz optimised pit shells, >0.2g/t Au mineralisation & resource block models coloured by Au (g/t). Refer to Horizon Gold Limited ASX announcements titled “32% Increase in Resources at Gum Creek” dated 25 July 2022 & “19% Increase in Gold Resources at Gum Creek Project” dated 15 May 2023 for resource and pit optimisation information. 12 2023/2024 WORK PROGRAM ▪ Scoping study based on free milling open pit optimised gold resources has commenced - completion planned for March Quarter 2024 ▪ 2024 drilling planned with a focus on adding further low-cost shallow oxide gold resources near the Gidgee mill and at strategic locations along the existing haul road ▪ Potential deep drilling at Wilsons ▪ MRE upgrade planned for 2024 Wilsons pits (looking south) 13 INVESTMENT HIGHLIGHTS +2.1 Moz +1.5g/t Au MRE 1.3Moz @ 1.22g/t free milling gold resource Open pit scoping study underway Established Infrastructure Strategic regional asset Underexplored greenstone belt +40 drill targets Further resource drilling planned Very supportive major shareholder 14 CONTACT DETAILS Leigh Ryan Managing Director +61 8 6331 6092 info@horizongold.com.au horizongold.com.au Unit 8 / 47 Havelock St. West Perth, WA 6005 ASX: HRN Cardigan Drill Target – looking south 15 Appendix 1 : Gum Creek Gold Resources Note: Figures are rounded. * cut-off grades are 2.5g/t Au for Swan UG Indicated, and 3.0g/t Au for Swan UG Inferred ** Wyooda includes the Kingston Town, Think Big and Manikato resources 16 Refer to Horizon Gold ASX Announcement titled “19% Increase in Gold Resources at Gum Creek Project” dated 15 May 2023 for more information.