Slide 1: 2025 Half Year Financial Results
2025 Half Year Financial Results Six months ended June 30, 2025 Invest or Pr esent at ion August 25, 2025
Slide 2: Important Information
Impor t ant Infor mat ion Forward-looking statements This document contains certain “forward-looking statements”. The words “forecast”, “estimate”, “like”, “anticipate”, “project”, “opinion”, “should”, “could”, “may”, “target” and other similar expressions are intended to identify forward looking st
Slide 3: 1H 2025 Highlights
1H 2025 Highlights Safety Production 0.00 SAFR 6.5 Mt Industry Average of 0.68 1 6.8Mt, 1H 2024 FOB Cash Cost2 Underlying EBITDA3 89 US$ /t 147 US$ m US$91/t, 1H 2024 US$375m, 1H 2024 Operating Cash Flow Net Debt / (Cash)4 151 US$ m 99 US$ m US$209m, 1H 2024 US$(192)m, 1H 2024 STANMORE | 2025 HALF Y
Slide 4: Operating Performance
Operating Per for mance
Slide 5: Operating Achievements and Challenges
Oper at ing Achievement s and Challenges Ongoing recovery from significant wet weather impacts without compromising safety or cost discipline St r ong Safet y Per for mance Oper at ional Resilience Cost Discipline • Serious Accident Frequency Rate (‘SAFR’) • Year-to-date rainfall in the Moranbah regi
Slide 6: Portfolio Performance Highlights
Por t folio Per for mance Highlight s Mine plans adjusted to prevailing conditions with recovery into 2H 2025 Sout h Walker Cr eek Poit r el Isaac Plains Complex 3.0 Mt 82 US$ /t 139 US$ /t 2.5 Mt 94 US$ /t 128 US$ /t 1.3 Mt 101 US$ /t 125 US$ /t Saleable FOB Cash Average Saleable FOB Cash Average S
Slide 7: Consolidated Operating Summary
Consolidat ed Oper at ing Summar y Second half performance to recover with further improvement in strip ratios and higher production Saleable Production Strip Ratio8 • FOB Cash Cost within (Mt) Guidance range 13.8 – 14.4 10.0 6.5 13.6 despite weather 13.2 impacts Mt 9.0 Saleable • Saleable Productio
Slide 8: Operational Financial Performance
Oper at ional Financial Per for mance Lower FOB Cash Costs supporting positive Underlying EBITDA despite uncontrollable headwinds FOB Cash Cost Walk-Forward Analysis2 (US$/t) Uncontrollable Impacts Controllable Benefi ts • Strong operational cost and productivity improvements 5 have mitigated inflati
Slide 9: Financial Results
Financial Result s
Slide 10: Financial Scorecard
Financial Scor ecar d Solid profitability and a strong balance sheet supporting Stanmore through the coal price cycle Total Underlying • Strong operational Income EBITDA3 performance with resilient 872 US$ m 1 47 US$ m operational cash generation and underlying EBITDA despite headwinds 1,327 US$ m 1H
Slide 11: Summarised Financial Results
Summar ised Financial Result s Positive EBITDA margins maintained, though lower coal prices and sales volumes do impact bottom line Profit and Loss Statement (US$m)14 1H 2025 1H 2024 • Revenue from coal sales 34% lower year-on- year following a 25% reduction in Average Sales Price and 436Kt less sale
Slide 12: Cash Flow Analysis
Cash Flow Analysis Despite market conditions, the Group continues to deleverage and provide shareholder returns 1H 2025 Cash Flow Walk-Forward (US$m) US$96m Cash Flows for Deleveraging & (36) 404 Shareholder Returns (25) 151 • Net cash generated from operations after capital expenditure totalled (10
Slide 13: Production, Cost and Capital Guidance
Pr oduct ion, Cost and Capit al Guidance Reduced cost 2025 Public Guidance reaffirmed, with second half production recovery anticipated Year To Dat e June 2025 Full Year 2025 Saleable Production • Year to date June 2025 saleable Implied Guidance6,21 Actuals Guidance6,21 production is currently track
Slide 14: Projects & Growth
Projects & Gr owt h
Slide 15: Capital Program
Capit al Pr ogr am Capital returns to a more steady-state sustaining profile in 2H 2025, given recent project completions Step-Change in Capital Spend 170 (US$m) 2024 marked a timely completion of a major, multi-year capital investment phase (47%) of more than US$330 million, Despite the natural step
Slide 16: Organic Growth Pipeline
Or ganic Gr owt h Pipeline Significant optionality within organic development pipeline Core Development Projects to Strengthen St r at egic ‘Mor anbah’ Complex Other Gr owt h & Sust aining Projects Isaac Downs Ext ension Lancewood Isaac Monetisation of non-core, southern portion of broader ‘Wards Pla
Slide 17: Isaac Downs Extension Project Outline
Isaac Downs Ext ension Pr oject Out line Currently our highest priority strategic project within the Group, with EIS preparation underway Indicative Optimal Timeline and St age-Gates Preliminary Pit Shell and Pr oject Summar y External Stakeholder Dependent Stanmore Driven • Isaac Downs Extension re
Slide 18: Metallurgical Coal Market Outlook
Metallurgical Coal Mar ket Out look
Slide 19: Historical Pricing Analysis
Hist or ical Pr icing Analysis Range bound pricing environment amidst global macro-economic uncertainty Historical Metallurgical Coal Pricing (US$/t) • Pricing conditions remained subdued “Australian Australian coking coal coal metallurgical prices havehave prices remained range-bound remained at or
Slide 20: Trade Flow Dynamics
Tr ade Flow Dynamics Elevated Chinese steel exports continues to supress steel margins ex-China, impacting met coal demand and prices, partially offset by subdued metallurgical coal supply from Australia Annualised Monthly China Steel Exports Monthly Queensland Metallurgical Coal Exports (Mt, Annual
Slide 21: Market Outlook
Mar k et Out look Continued growth in aggregate crude steel production ex-China driven mostly by India Annualised Quarterly Ex-China Crude Steel Production Forecast Change in Metallurgical Coal Exports by Region (Mt) (Mt) • Growth in aggregate crude Continued growth in Indian steel production in 202
Slide 22: Contacts
Cont act s Invest or s Investors@stanmore.net.au +61 (7) 3238 1000 Media Media@stanmore.net.au +61 (7) 3238 1000 Regist er ed Addr ess Level 32, 12 Creek Street Brisbane, QLD, Australia, 4000 GPO Box 2602 Brisbane, QLD, Australia, 4000
Slide 23: Footnotes
Foot not es 1. Rolling 12 month average as of March 31, 2025 reported as of August 22, 2025 by Resources Safety and Health Queensland for surface mines 2. FOB cash cost per tonne sold (excluding third party coal purchases), including IFRS-16 lease accounting and excluding inventory movement, State r