St Barbara (SBM) investor relations material

Capital structure and shareholder returns

• Shares on issue total 1,226.1 million with a market capitalization of A$981 million and cash holdings of A$475 million as of June 2026, with no debt and a 14.3% equity stake in Geopacific Resources valued at A$16 million.

• A fully franked dividend of A$0.05 per share for FY26 was declared, yielding approximately 6.3%, with a franking balance of A$71 million available for future dividends.

• An on-market share buyback of up to 100 million shares is under consideration, expected to commence after the 15-Mile Processing Hub PFS update in late September 2026.

New Simberi Gold Project (Papua New Guinea)

• Transitioning to a high-production, low-cost sulphide ore operation with a 14-year mine life and annual production exceeding 200koz from FY29.

• Post-tax NPV of US$1,023 million at US$3,000/oz gold price; Mineral Resources increased to 5.8Moz Au (100% basis).

• Construction is underway, with key infrastructure progressing and first sulphide ore production expected in H2 FY28.

• Mining lease extended to 2038, and the project is fully funded and de-risked following the Lingbao transaction.

• Management team has extensive international mining experience, with leadership from both Lingbao and St Barbara.

Nova Scotia Projects (Canada)

• Integrated operation includes Touquoy Restart, 15-Mile Processing Hub, Old Mitchell Mine, and Old Austen Mine, with production from existing stockpiles and multiple open pits.

• Touquoy Restart targets 38koz gold over 13 months with C$11.4 million initial capital and AISC of US$1,598/oz; production expected by end of 2026.

• 15-Mile Processing Hub PFS confirms >100kozpa gold production over 11+ years, with 2.5Moz Au in updated Mineral Resources and 1.2Moz in Ore Reserves.

• 15-Mile FID targeted by end FY27, with production commencing FY30; exploration pipeline includes 58 active targets within 75km of the hub.

• Management team has deep regional experience in project development, operations, and community engagement.