St. Barbara Ltd. · ASX:SBM
St. Barbara — 2022 Diggers & Dealers Mining Forum
23 slides from St. Barbara's conference presentation, Aug 1, 2022
Slide 1: Presentation to 2022 Diggers & Dealers Mining Forum
1 August 2022 Presentation to 2022 Diggers & Dealers Mining Forum Mr Lucas Welsh, Chief Financial Officer, will present on St Barbara’s Leonora Province Plan on Tuesday 2 August 2022 during the Diggers & Dealers Mining Forum. Authorised by Craig Jetson Managing Director & CEO For more information In
Slide 2: Leonora is central to regional consolidation
Leonora is central to regional consolidation Lucas Welsh Chief Financial Officer 2 August 2022
Slide 3: Disclaimer
2 Disclaimer This presentation has been prepared by St Barbara Limited (“Company”). The material contained in this presentation is for information purposes only. This presentation is not an offer or invitation for subscription or purchase of, or a recommendation in relation to, securities in the Com
Slide 4: Acknowledgement of Country
3 Acknowledgement of Country We at St Barbara acknowledge the First Nations people of the ancestral lands on which we operate in Australia, Canada and Papua New Guinea. We pay our respects to all First Nations people, and to Elders past, present, and emerging. We recognise the unique cultural herita
Slide 5: Safety always
4 Safety always TOTAL RECORDABLE INJURY FREQUENCY RATE (TRIFR)1 5.0 3.9 Safety 3.6 3.0 3.4 Always 2.7 2.8 2.1 Zero harm is always our target. Zero harm to all people as we responsibly operate our assets to their full potential. This focus FY18 FY19 FY20 FY21 Q1 Q2 Q3 Q4 on safety guides FY22 FY22 FY
Slide 6: Leonora is central to regional consolidation
5 Leonora is central to regional consolidation • Largest Mineral Resource of 10.5 million ounces and Ore Reserve of 2.5 million ounces1 of gold • Near term Mineral Resource and Ore Reserve growth • New Zoroastrian mine on track to commence production in Q1 FY24 • Significant exploration potential wi
Slide 7: St Barbara's Leonora Province has a productive mill, region leading resource base and a long mine life
St Barbara’s Leonora Province has a productive mill, region leading 6 resource base and a long mine life Mineral Resources in the Leonora Province 16% 27% 27% 3% 2% 10.5Moz 122Mt 7% 52% Au 2% 9% 11% 11% 1% 5% 6% 17% 2% Gwalia Harbour Lights Aphrodite Underground Excelsior Old South Gwalia Tower Hill
Slide 8: Province Plan thinking unlocks value with Bardoc acquisition
7 Province Plan thinking unlocks value with Bardoc acquisition Railway from Bardoc tenements to Leonora
Slide 9: Zoroastrian and Aphrodite to fill the mill
8 Zoroastrian and Aphrodite to fill the mill Tonnes processed by Leonora Process Plant (Mt) 2.1 Mtpa Expanded 0.7 0.7 mill capacity The rapid integration of the Bardoc assets into the 1.4 Mtpa Leonora portfolio is on track 0.3 0.3 0.3 Current to be delivered earlier than mill first planned and will
Slide 10: Zoroastrian first production six months ahead of original guidance
9 Zoroastrian first production six months ahead of original guidance Proposed decline Zoroastrian Underground Mineral Resource 1.6mt @ 4.0g/t Au On track for first production in Q1 FY24 • The first full year of production to contribute 30koz of gold from ~300kt at 3g/t Au Mineral Resources to supply
Slide 11: Tower Hill grows Mineral Resource by 600koz Au
10 Tower Hill grows Mineral Resource by 600koz Au Plan view of Tower Hill deposit Long section view of Tower Hill deposit Change in Indicated and Inferred Mineral Resource Million Tonnes Grade Million Ounces (g/t) Previous Tower Hill Underground (as at 30 June 2021) 5.1 3.8 0.6 Current Tower Hill Op
Slide 12: Old South Gwalia adds 218koz of gold resource
11 Old South Gwalia adds 218koz of gold resource Old South Gwalia Mineral Resource 1.9mt @ 3.7g/t Au Old South Gwalia has the potential to become a new, shallower mining front at Gwalia Further near term Ore Reserve and Mineral Resource growth to come • Updated resource estimate in progress for area
Slide 13: Turning around operational performance at Gwalia
12 Turning around operational performance at Gwalia 1,600 • FY16 to FY20 – Declining performance Ore and Waste movement to 1,400 1,200 • Fewer tonnes moved to surface surface (kt) 1,000 • Limited development metres 800 600 • Waste material stored underground 400 • FY21 to FY22 – Turnaround 200 • Mov
Slide 14: Exploring for high grade deposits in the Leonora Province
13 Exploring for high grade deposits in the Leonora Province • 475km2 of prospective ground in the Leonora Province • Landholding increased by ~70% since the acquisition of Bardoc • ~$12M of exploration expenditure to be deployed to Leonora and Bardoc regions • Up to 22,000m of drilling planned for
Slide 15: Low cost plant expansion from 1.4mtpa to 2.1mtpa
14 Low cost plant expansion from 1.4mtpa to 2.1mtpa Proposed expansion layout Low capital cost debottlenecking opportunity • 50% capacity expansion for modest investment N • Additional ball mill and CIL tank to debottleneck • Feasibility study completion expected in Q3 FY23 Additional • Expansion to
Slide 16: Significant Mineral Resource life underpins organic growth options
15 Significant Mineral Resource life underpins organic growth options Mineral Resources Mineral Resource grade Milling capacity in province (Mtpa) in province (Mt) in province (g/t Au) Resource Life (years) St Barbara 1.4 (Leonora Process Plant) 122 2.7 87 Regis 7.0 (Rosemont & Garden Well) 169 1.0
Slide 17: High grade Ore Reserves with long life
16 High grade Ore Reserves with long life Ore Reserve grade Milling capacity in province (Mtpa) Ore Reserve in province (Mt) in province (g/t Au) Reserve Life (years) Red5 5.5 (King of the Hills & Darlot) 67 1.2 12 St Barbara 1.4 (Leonora Process Plant) 16 4.8 12 10.0 (Thunderbox, Northern Star Caro
Slide 18: Leonora is central to regional consolidation
17 Leonora is central to regional consolidation Largest Mineral Resource and Ore Reserve in region1 Near term Mineral Resource and Ore Reserve growth Zoroastrian mine to commence production in Q1 FY24 Significant exploration potential in land holding Leonora Processing Plant expansion 1 – Refer to r
Slide 19: StBarbara
StBarbara
Slide 20: Supplementary slides
Supplementary slides
Slide 21: Competent Person statements
20 Exploration Results The information in this presentation that relates to Exploration Results is based on information compiled by Dr Roger Mustard, who is a Member of The Australasian Institute of Mining and Metallurgy. Dr Mustard is a full-time employee of St Barbara and has sufficient experience
Slide 22: Investor Relations enquiries
Investor Relations enquiries Chris Maitland Kasun Liyanaarachchi Head of Investor Relations Manager - Investor Relations T: +61 3 8660 1914 T: +61 8 9380 7854 M: +61 477 120 070 M: +61 499 538 252 E: chris.maitland@stbarbara.com.au E: kasun.liyanaarachchi@stbarbara.com.au E: info@stbarbara.com.au Sc
Slide 23: StBarbara
StBarbara