Presentation on Q3 March FY20 Quarterly Report and audio webcast - PDF document

ASX Release / 28 April 2020 Presentation on Q3 March FY20 Quarterly Report and audio webcast Craig Jetson, Managing Director & CEO, will brief analysts and institutional investors on the Q3 March FY20 Quarterly Report at 11:30 am Australian Eastern Standard Time (UTC + 10 hours) on Tuesday 28 April 2020. Conference call details for analysts and investors Please dial in five minutes before the conference call starts and provide your name, company and the Conference ID 4299340. Dial-in numbers: Australia 1800 148 258 International Toll +61 (0) 2 8038 5271 Canada 1866 837 4489 France 0800 908 221 Germany 0800 1814 827 Hong Kong 800 965 808 Norway 80 010 112 Singapore 8006 162 170 United Kingdom 0800 056 9662 USA 1866 586 2813 A live audio webcast of the briefing will be available on St Barbara’s website at stbarbara.com.au/investors/webcast/ or by clicking here. The audio webcast is ‘listen only’ and does not enable questions. The audio webcast will subsequently be made available on the website. Investor Relations Mr David Cotterell Manager Investor Relations +61 3 8660 1900 Media Relations Mr Ben Wilson GRACosway +61 407 966 083 ASX: SBM Authorised by Rowan Cole Company Secretary +61 3 8660 1900 ADR: STBMY St Barbara Limited Level 10, 432 St Kilda Road, Melbourne VIC 3004 T +61 3 8660 1900 F +61 3 8660 1999 W www.stbarbara.com.au ACN 009 165 066 Locked Bag 9, Collins Street East, Melbourne VIC 8003

Craig Jetson, Managing Director & CEO / 28 April 2020 ASX:SBM Q3 March FY20 Quarterly Presentation

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 Company and neither this presentation nor anything contained in it shall form the basis of any contract or commitment. This presentation may contain forward ‐ looking statements that are subject to risk factors associated with exploring for, developing, mining, processing and sale of gold. Forward ‐ looking statements include those containing such words as anticipate, estimates, forecasts, should, will, expects, plans or similar expressions. Such forward ‐ looking statements are not guarantees of future performance and involve known and unknown risks, uncertainties, assumptions and other important factors, many of which are beyond the control of the Company, and which could cause actual results or trends to differ materially from those expressed in this presentation. Actual results may vary from the information in this presentation. The Company does not make, and this presentation should not be relied upon as, any representation or warranty as to the accuracy, or reasonableness, of such statements or assumptions. Investors are cautioned not to place undue reliance on such statements. This presentation has been prepared by the Company based on information available to it, including information from third parties, and has not been independently verified. No representation or warranty, express or implied, is made as to the fairness, accuracy or completeness of the information or opinions contained in this presentation. The Company estimates its reserves and resources in accordance with the Australasian Code for Reporting of Identified Mineral Resources and Ore Reserves 2012 Edition (“JORC Code”), which governs such disclosures by companies listed on the Australian Securities Exchange. Financial figures are in Australian dollars unless otherwise noted. Financial year is 1 July to 30 June. Q1 Sep FY20 = quarter to 30 Sep 2019 Q3 Mar FY20 = quarter to 31 Mar 2020 Q2 Dec FY20 = quarter to 31 Dec 2019 Q4 Jun FY20 = quarter to 30 June 2020 Title Slide Picture: Touquoy pit, Atlantic Gold Operations 2 / Q3 March FY20 Quarterly Presentation

Contents COVID ‐ 19 Projects • • Highlights Exploration & Growth • • Safety Conclusion • • Operations Appendices • • 3 / Q3 March FY20 Quarterly Presentation

St Barbara’s response to COVID ‐ 19 St Barbara’s priority during the COVID ‐ 19 pandemic is the health and wellbeing of its people, its partners and suppliers, and the communities in which it operates No COVID ‐ 19 cases detected at sites • SBM COVID ‐ 19 Management Framework All mines have maintained operations • – Perth based fly ‐ in, fly ‐ out (FIFO) workforce remains in operation at Leonora, with all passengers travelling on our charter flights screened at Perth airport for COVID ‐ 19 symptoms before boarding – Atlantic Gold maintains its drive ‐ in roster with the local workforce – all flights to and within PNG are currently suspended, and we are working with the local, national and expat team on site to accommodate individual circumstances Measures implemented in line with the relevant government • advice have been implemented at all sites – all non ‐ essential travel cancelled, working from home where practicable – physical distancing across our workplaces, site access restricted to essential personnel – enforcing self ‐ isolation policies and encouraging good hygiene practices St Barbara is supporting families of employees on extended rosters and providing additional • mental health and wellbeing support to employees and families Exploration fieldwork (outside of our mining leases) temporarily suspended • – minimise the risk to our people and the surrounding communities – evaluating resumption of exploration within relevant guidelines 4 / Q3 March FY20 Quarterly Presentation

Highlights Q3 March FY20 • 92 koz at AISC 2 of A$1,405/oz (Q2: 94 koz at A$1,364/oz) Operational • Gwalia achieved 15 years and 2.5 Moz under St Barbara ownership performance • Consolidated full year production anticipated to be at the lower end of the guidance range • Operational cash contribution 1 of $86 M (Q2: $66 M) Financial • $871/oz cash contribution 1 (Q2: $679/oz) metrics • Cash increased $41 M (net of $18 M dividend payment), plus $200 M from drawdown of debt • $320 M cash at bank and term deposits 2 Capital • $316 M debt 3 (inc. $200 M drawn down from the syndicated debt management facility, to bolster cash reserves 4 ) • $0.04 per share fully franked interim dividend paid 25 March 2020 • Proposal for Simberi sulphide feasibility study to go to Board • Gwalia to capitalise on increased ventilation once last shaft completed Growth • External consultant reviewing optimal sequencing of the Atlantic Gold projects 1. Non IFRS measure, refer corresponding slide in Appendix 2. Financial information unaudited. Cash balance comprises $140 M cash, $180 M term deposits 5 / Q3 March FY20 Quarterly Presentation 3. Comprises of A$200 M and C$100 M syndicated debt facility (repayment date July 2022) 4. Drawdown of debt announced 31 March 2020

Focus on Safety St Barbara LTIFR 2 in comparison with Total Recordable Injury Frequency Rate 1 Western Australian Mining benchmarks 3 5.0 5.0 5.0 4.2 1.9 1.9 3.2 2.1 2.1 0.8 1.2 St Barbara WA Gold WA Metal FY15 FY16 FY17 FY18 FY19 Q1 Q2 Q3 FY20 FY20 FY20 Q3 FY20 • The Total Recordable Injury Frequency Rate (TRIFR, 12 month moving average) at 3.2 at the end of Q3 Mar FY20 • Corresponding LTIFR of 0.8 remains below WA industry average 1. Total Recordable Injury Frequency Rate (12 month avg.), total recordable injuries per million hours worked. 2. LTIFR = Lost Time Injury Frequency Rate (12 month avg.), the number of lost time injuries per million hours worked 6 / Q3 March FY20 Quarterly Presentation 3. Most recent statistics from www.dmp.wa.gov.au/Safety/Safety ‐ statistics ‐ 16198.aspx

Consolidated Q3 March FY20 Results Q3 FY20 AISC 1 AISC (A$/oz) • Consolidated A$1,405/oz 1,421 1,405 1,364 (Q2: A$1,364/oz 2 ) 1,175 1,073 • Gwalia A$1,556/oz (Q2: A$1,471/oz) • Simberi A$1,629/oz (Q2: A$1,851/oz) Gold Production (koz) • Atlantic A$951/oz (Q2: A$823/oz) 109 108 94 92 88 20 Q3 FY20 Production 23 22 29 26 • Consolidated 92 koz (Q2: 94 koz 2 ) 34 36 23 26 27 • Gwalia 40 koz (Q2: 42 koz) 54 • Simberi 26 koz (Q2: 23 koz) 50 42 40 38 • Atlantic 26 koz (Q2: 29 koz) FY19 FY19 FY20 FY20 FY20 Q3 Mar Q4 Jun Q1 Sep Q2 Dec Q3 Mar Gwalia Simberi Atlantic Total Figures displayed to nearest thousand ounces. Reported ounces in table in Appendix. 1. Non IFRS measure, refer corresponding slide in Appendix 2. Atlantic Gold was acquired on 19 July 2019. Atlantic Gold quarterly production prior to this date provided for comparison. Reported Q1 Sep FY20 production and FY20 guidance includes 4,362 ounces produced by 7 / Q3 March FY20 Quarterly Presentation Atlantic Gold prior to acquisition. Consolidated Q1 AISC inc SBM attributable production = A$1,445/oz.