Presentation on Q4 June FY18 Quarterly Report and audio webcast Bob - PDF document

ASX Release / 26 July 2018 Presentation on Q4 June FY18 Quarterly Report and audio webcast Bob Vassie, Managing Director & CEO, will brief analysts and institutional investors on the Q4 June FY18 Quarterly Report at 11:00 am Australian Eastern Standard Time (UTC + 10 hours) on Thursday 26 July 2018. Participation on the conference call is by personal invitation only. A live audio webcast of the briefing will be available on St Barbara’s website at www.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 1959 ASX: SBM Media Relations Mr Tim Duncan Hinton & Associates +61 3 9600 1979 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

BOB VASSIE, MANAGING DIRECTOR & CEO / 26 July 2018 ASX:SBM Q4 June FY18 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 FY18 = quarter to 30 Sep 2017 Q3 Mar FY18 = quarter to 31 Mar 2018 Q2 Dec FY18 = quarter to 31 Dec 2017 Q4 Jun FY18 = quarter to 30 June 2018 Title slide picture: Gwalia plant at sunrise, April 2018. Picture by Sharee Briggs 2 / Q4 June FY18 Quarterly Presentation

Contents • Highlights • Exploration • Safety • Growth • Operations • Conclusion • Projects • Appendices 3 / Q4 June FY18 Quarterly Presentation Photo: Simberi waste dump, February 2018, photo by George Danga Jnr.

Highlights Q4 June FY18 • Record annual production 403 koz (FY17: 381 koz) at record low AISC 1 A$891/oz (FY17: A$907/oz) • Record quarter production of 119 koz (Q3: 86 koz) at record low AISC A$812/oz (Q3: A$982/oz) • Record annual production at both operations • Debt free, A$344M cash and term deposits 2 • Organic growth underway and informed by exploration • Simberi mine life extension to FY21 • Well positioned for inorganic growth 1. Non IFRS measure, refer corresponding slide in Appendix 4 / Q4 June FY18 Quarterly Presentation 2. Financial information unaudited. Balance comprises A$227 M cash, A$116 M term deposits (maturing between July 2018 and January 2019) and A$1 M restricted cash.

Focus on safety Total Recordable Injury Frequency Rate 1 5.0 4.1 2.6 2.4 2.1 2.1 1.2 1.2 FY 14 FY15 FY16 FY17 Q1 Q2 Q3 Q4 FY18 FY18 FY18 FY18 • Decrease in TRIFR from 2.6 at the end of Q3 Mar FY18 to 2.1 at the end of Q4 June FY18. • Plans and strategies implemented to further reduce the TRIFR rate through FY19. • Corresponding LTIFR of 0.5 to 30 June 2018 compares with gold mining industry average of 2.1 2 Gwalia ERT Training 2018, photo by Troy Davison 1. Total Recordable Injury Frequency Rate (12 month avg). TRIFR includes Pacific Operations from Sept 2012. 2. Industry Lost Time Injury Frequency Rate (LTIFR) data per the Department of Mines and Petroleum report 5 / Q4 June FY18 Quarterly Presentation titled ‘Safety Performance in the Western Australian Mineral Industry’ for FY 2016-2017.

Consolidated Q4 FY18 quarter AISC 982 (A$/oz) 910 • Consolidated production of 959 119 koz (Q3 FY18: 86 koz) 812 889 • Gwalia 85 koz (Q3: 57 koz) • Simberi 35 koz (Q3: 29 koz) Production 119 (koz) 100 98 94 35 • Consolidated AISC 1 of A$812/oz 86 34 37 32 (Q3: A$982/oz) 29 • Gwalia A$679/oz 85 (Q3: A$905/oz) 64 62 63 57 • Simberi A$1,135/oz (Q3: A$1,129/oz) FY17 FY18 FY18 FY18 FY18 Q4 Jun Q1 Sep Q2 Dec Q3 Mar Q4 Jun Gwalia Simberi Figures displayed to nearest koz. Reported ounces in Quarterly Report. 1. Non IFRS measure, refer corresponding slide in Appendix 6 / Q4 June FY18 Quarterly Presentation

Consolidated FY18 results + FY19 guidance AISC Record production of 403 koz (A$/oz) 1,065 932 • Exceeded FY18 increased 907 891 guidance of 375 to 392 koz AISC record low A$891/oz Production (koz) • Outperformed FY18 guidance of 403 381 377 363 A$920 to A$970/oz 135 110 116 FY19 Consolidated Guidance 110 • Production 350 to 375 koz • AISC A$1,030/oz to A$1,100/oz 268 267 265 253 • Sustaining capex A$58 to A$65 M • Growth capex A$60 to A$64 M FY16 FY17 FY18 FY19F Guidance mid- Gwalia Simberi Total points Figures displayed to nearest thousand ounces. Reported ounces in associated table. 7 / Q4 June FY18 Quarterly Presentation

Gwalia Q4 FY18 results AISC (A$/oz) 905 872 859 816 FY18 average A$802/oz 679 Q4 Jun FY18 production • 84,537 oz (Q3 FY18: 56,773 oz) Mined grade 15.0 (g/t Au) 13.4 • AISC 1 A$679/oz (Q3: A$905/oz) 11.2 10.7 9.2 FY18 average 12.5 g/t Au • Mined grade of 13.4 g/t Au from higher grade sections of South Reserve grade 7.8 g/t Au 2 West Branch (Q3 FY18: 15.0 g/t Au) Production (koz) • Mining chevron reset in Q3 84.5 allowed production from multiple faces 64.3 62.8 62.1 56.7 FY17 FY18 FY18 FY18 FY18 Q4 Jun Q1 Sep Q2 Dec Q3 Mar Q4 Jun Reported ounces in Quarterly Report. 1. Non IFRS measure, refer corresponding slide in Appendix 8 / Q4 June FY18 Quarterly Presentation 2. Refer ‘Ore Reserves and Mineral Resources Statements 30 June 2017’ released 23 August 2017

Gwalia production and cost profile AISC (A$/oz) FY18 performance • Record production 268 koz 950 940 841 802 783 785 (FY17: 265 koz) • AISC A$802 /oz (FY17: A$785 /oz) FY19 guidance Production (koz) • Production of 245 to 260 koz 260 267 265 268 248 245 • AISC 1 of A$920 to A$980/oz 214 • Sustaining capex: A$50 to A$55 M • Growth capex A$60 to $64 M • PAF 2 underground crushing expected benefit in 2H • Vent limitation and GEP 2 activities anticipated to have some impact on production FY14 FY15 FY16 FY17 FY18 FY19F 1. Non IFRS measure, refer corresponding slide in Appendix 9 / Q4 June FY18 Quarterly Presentation 2. Refers to Paste Aggregate Fill (PAF) and Gwalia Extension Project (GEP)

Simberi Q4 FY18 results AISC (A$/oz) 1,135 1,129 1,125 Q4 Jun FY18 production 1,027 • 34,899 oz (Q3: 29,112 oz) FY18 Average $1,068/oz 994 • AISC 1 A$1,135/oz (Q3: A$1,129/oz), increase in Production sustaining capital spend in Q4 (koz) • Mined grade was 1.30 g/t Au 36.7 34.9 34.0 (Q3: 1.16 g/t Au), with higher 32.1 29.1 grade ore than anticipated • Exceeded FY18 production guidance of 125 to 132koz FY 17 FY 18 FY 18 FY 18 FY 18 Q4 Jun Q1 Sep Q2 Dec Q3 Mar Q4 Jun 1. Non IFRS measure, refer corresponding slide in Appendix. 10 / Q4 June FY18 Quarterly Presentation

Simberi production and cost profile AISC (A$/oz) FY18 performance 2,300 • Fourth consecutive record annual 1,464 1,325 1,293 production 135 koz (FY17: 116 koz) 1,187 1,068 and record low AISC A$1,068 /oz (FY17: A$1,187 /oz) Production • Improved grade (FY18: 1.25 g/t Au, 135 (koz) FY17: 1.13 g/t Au) and recovery 115 116 (FY18: 85%, FY17: 82%) 110 105 FY19 guidance 80 • Production of 105 to 115 koz • AISC 1 of A$1,275 to A$1,375/oz 44 • Sustaining capex: A$8 to A$10 M • Refurbishment of Ropecon and replacement of older trucks will FY14 FY15 FY16 FY17 FY18 FY19F impact costs and production 1. Non IFRS measure, refer corresponding slide in Appendix. 11 / Q4 June FY18 Quarterly Presentation