2025 Half Year Financial Results Investor Presentation

• Strong safety performance with Serious Accident Frequency Rate returning to zero
• Operational resilience demonstrated despite significant wet weather impacts
• Solid profitability and a strong balance sheet supporting Stanmore through the coal price cycle

Stanmore Resources Ltd reported its 2025 half-year financial results, showcasing a strong safety performance with the Serious Accident Frequency Rate returning to zero for the first time since late 2023. The company demonstrated operational resilience, adjusting mine plans to prevail over significant wet weather impacts in the Moranbah region. Despite these challenges, Stanmore maintained solid profitability, with Underlying EBITDA of US$147 million and a robust balance sheet, including low net debt of US$99 million and ample liquidity of US$401 million. The company's capital expenditure program returned to more normalized levels following a major growth phase, with reduced guidance for 2025 to enhance cash preservation. Stanmore's organic growth pipeline remains robust, with the Isaac Downs Extension project as the highest priority, progressing through the approvals process. The company reaffirmed its 2025 production, cost, and capital guidance, anticipating a recovery in the second half of the year.

Saleable production guidance for full-year 2025 of 13.8 - 14.4 Mt, with FOB cash costs expected to be in the range of US$85 - 90/t. Capital expenditure guidance for 2025 is US$80 - 90 million.