Great Southern Mining Limited · ASX:GSN

Great Southern Mining — Diggers and Dealers August 2021

17 slides from Great Southern Mining's conference presentation, August 2021

  1. Slide 1: Creating Value Through Discoveries

    Creating Value Through Discoveries Investor Presentation Diggers and Dealers August 2021

  2. Slide 2: Corporate overview

    Corporate overview CAPITAL STRUCTURE BOARD OF DIRECTORS & MANAGEMENT Mr John Terpu, Executive Chairman 455M $26M ▪ More than 20 years’ commercial and management experience MARKET CAP ▪ Former MD of Conquest Mining Limited (now Evolution Mining SHARES ON ISSUE Limited) for 12 years and led the discov

  3. Slide 3: Key Assets and Fundamentals

    Strategic Projects Key Assets and ▪ Laverton Gold District (>25Moz) – Duketon (incl. Southern Star), Mon Ami Fundamentals ▪ North QLD Gold District (>20Moz) – Edinburgh Park (Au, Cu, Ag) ▪ Other commodities – East Laverton nickel sulphide potential Edinburgh Park The Right Team ▪ Management team wit

  4. Slide 4: WA Gold Projects: Close to Operating Mills

    WA Gold Projects: Close to Operating Mills ▪ Southern Star within 30km of Regis’ low- grade Garden Well Mill 30km ▪ Mon Ami is only 10km from Goldfields’ Granny Smith Mill (operating at 50% capacity)1 ▪ 8 potential milling solutions within 150km 10km of Laverton 1Source: www.goldfields.com/australia

  5. Slide 5: Duketon Gold Project

    Duketon Gold Project ▪ Recent agreements now bring GSN’s Duketon Belt landholding1 to 459km2 ▪ GSN the second largest landholder in the Duketon Belt with 10% of the greenstone ▪ >50km strike length of the main Erlistoun Queen, mineralised structures in the belt to explore Ogilvie’s, and Golden Bould

  6. Slide 6: Duketon: Southern Star Deposit

    Duketon: Southern Star Deposit ▪ 100% GSN owned ▪ 4km along strike from Regis’ 390koz Ben Hur Ben Hur Deposit1 ▪ Previously drilled 2017-18 ▪ >600m strike of thick continuous stacked gold mineralisation open in all directions2 Southern Star ▪ RC drilling underway 1 Refer to ASX:RRL Announcement 6/4/

  7. Slide 7: Duketon: Southern Star First Results

    Duketon: Southern Star First Results 21SSR0009 • First batch of assays received: • 59m @ 2.1 g/t Au incl. 9m @ 4.5 g/t Au and 16m @ 3.2 g/t Au from 53m in 21SSRC0009 – best intersection encountered at Southern Star to date • 46m @ 1.2 g/t Au incl. 11m @ 3.4 g/t Au from 40m in 21SSRC00011 • 19m @ 1.8

  8. Slide 8: Duketon: Southern Star Cross Section

    Duketon: Southern Star Cross Section Cross section 6883790mN of the Ben Hur deposit (Regis Resources) located 4 km north west of the Southern Star deposit highlighting gold mineralisation within the same quartz dolerite unit within the same lithological sequence Cross section 6880660mN +/-40m highli

  9. Slide 9: Duketon: One Weight Wonder

    Duketon: One Weight Wonder ▪ Historical RAB intersections1: ▪ 4m @ 2.7 g/t Au from 28m Southern Star ▪ 4m @ 1.7 g/t Au from 28m, and ▪ 4m @ 1.5 g/t Au from 12m One Weight Wonder ▪ Coincident with GSN 2021 soil anomaly ▪ 1,000m RC drilling underway behind and along strike from these intersections 1Re

  10. Slide 10: Duketon: Erlistoun

    Duketon: Erlistoun Ogilvie’s 2m @ 1.8 g/t 2m @ 1.3 g/t 2m @ 4.9 g/t 4m @ 5.1 g/t 2m @ 1.6 g/t 2m @ 3.0 g/t 4m @ 1.9 g/t 2m @ 3.1 g/t 2m @ 2.9 g/t 2m @ 3.0 g/t 2m @ 1.1 g/t 2m @ 1.8 g/t 1 Refer to ASX:GSN 2m @ 1.5 g/t Announcement 8/7/21 2m @ 1.9 g/t ▪ Numerous >2m @ >2g/t Au historical RAB and AC in

  11. Slide 11: Mon Ami: Updated Mineral Resource

    Mon Ami: Updated Mineral Resource ▪ Mineral Resource 1.56Mt @ 1.11 g/t Au for 55.5 koz Au1 ▪ 95% in Indicated Classification ▪ Metallurgical recovery average 95% in oxide and transition zone2 ▪ Environmental and Technical Studies completed to support future Mining Proposal approval under the Mining

  12. Slide 12: Mon Ami: Underground Potential

    Mon Ami: Underground Potential ▪ New geological interpretation highlights high grade gold at intersection of vertical and inclined lodes → exploration vector ▪ Deeper high-grade target analogous to Ida H high- grade underground mine 7km along strike (historical production 176Koz @ 22.8 g/t Au) 1Refe

  13. Slide 13: East Laverton Nickel Project

    East Laverton Nickel Project ▪ Pegged in 2018 by GSN, all tenements now granted ▪ Nickel sulphide potential in layered intrusions only in focus in WA since the 2012 Nova discovery ▪ Ground Moving-Loop Electro- Magnetic survey planned 13

  14. Slide 14: QLD: Edinburgh Park Exploration

    QLD: Edinburgh Park Exploration High Priority Anomaly Drill Holes Planned Land Access Secured Leichhardt Creek Q2 FY22 Yes Fish Creek Yes Q2 FY22 15 other anomalies from EVN co-funded Molongle Yes Q2 FY22 hyperspectral survey1 yet to be ground truthed Edinburgh Castle Q2 FY22 Q2 FY22 Fish Creek Leic

  15. Slide 15: Why GSN?

    Strategic landholdings in Tier 1 Australian gold districts Why Genuine potential for major gold, copper, silver and nickel discoveries GSN? Value proposition enhanced by hungry neighbouring mills Quality Board with skin in the game and experienced exploration teams Active exploration programs underw

  16. Slide 16: Contact

    Contact John Terpu Sean Gregory Executive Chairman Chief Executive Officer T: +61 8 9240 4111 Suite 4, 213 Balcatta Rd E: [email protected] BALCATTA WA 6021 www.gsml.com.au 16

  17. Slide 17: Competent Persons Statement and Disclaimer

    Competent Persons Statement and Disclaimer Deposit Competent Person Employer Professional Institute Southern Star and Mon Ami (2020-21) Exploration Results and Geological Interpretation Simon Buswell-Smith Great Southern Mining Ltd MAIG Edinburgh Park (2020) and Mon Ami (2019) Exploration Results Dr

Great Southern Mining — Diggers and Dealers August 2021 on 6ix