St. Augustine Gold & Copper Ltd. · TSX:SAU
St. Augustine Gold & Copper — Investor Presentation (September 2025)
15 slides from St. Augustine Gold & Copper's investor presentation, September 2025
Slide 1: Corporate Presentation
Corporate Presentation September 2025
Slide 2: Forward-Looking and Cautionary Statements
Forward-Looking and Cautionary Statements This presentation contains “forward-looking statements” that were based on St. Augustine Gold & Copper Ltd’s expectations, estimates and projections as of the dates which those statements were made. These forward-looking statements include, among other thing
Slide 3: Tier 1 Kingking Project
Tier 1 Kingking Project • World-class resource with district opportunity • Most advanced greenfield project in its class, largely permitted • Long life large scale open pit operation • Low strip ratio and significant gold credits result in first quartile cost operation • Attractive economics: After
Slide 4: World Class Resource
World Class Resource • Mineral Reserve = 960 Mt of ore 5.4 bn lbs (2.5Mt) of copper / 9.8 million ounces of gold 849 million Tonnes of Proven and Probable Milling Reserves 111 million Tonnes of Proven and Probable Leaching Reserves • Mineral Resource (M+I+I) = 1,795 Mt of ore 9 bn lbs (4Mt) of coppe
Slide 5: District Opportunity
District Opportunity Exploration and Resource Development • Oxide at Bacada (south pit boundary) • Porphyry Copper Gold at Diat • Gold at Binutaan – north tenement area demonstrates a high-grade epithermal system distal to the porphyry Exploration Drill Holes Outside the Pit Limits Bacada Near Surfa
Slide 6: Site Plan
Site Plan a rs B y ee FACILITIES Vi ~ OXIDE PROCESS FACILITIES ‘SCALE IN METERS Initial Capital Area $ Millions Process Plant and General infrastructure $1,638.25 Mine $131.92 Port Facility $50.00 Owners Costs $163.48 Contingency $390.13 Total Before VAT $2,373.78 Value Added Tax (VAT) $189.62 "The
Slide 7: Large scale open pit operation
Large scale open pit operation • LOM Production: 4.4 bn lbs (2 Mt) of Cu / 6.9 million oz Au • 1st 5 years Annual Average 129,000 tonnes Cu / 333,000 Oz Au • 1st 5 years Equivalent Mill Copper Grade of 0.83% and 0.58% for the 1st 20 years • Low Pre-Strip – Leachable Material • Mill: 60,000 TPD incl
Slide 8: Production
Production DFS optimisation studies ongoing to evaluate heap leach operations; grinding energy and changes to the mine plan to improve economics and increase production (e.g., use of chloride in the heap leach, grinding efficiency studies, locked cycle flotation optimisation with new reagent suites
Slide 9: Attractive Ecomomics
Attractive Ecomomics • Attractive project economics with a first quartile cash cost position and substantial gold credits 1.8 NPV and IRR are after tax and assume an income tax holiday for the first ten years of the project The benefit cost ratio (BCR) is calculated by dividing the after-tax net pre
Slide 10: Experienced Management team
Experienced Management team 10
Slide 11: Favourable Mining Jurisdiction
Favourable Mining Jurisdiction • 2nd largest global gold endowment • 3rd largest global copper endowment • Investment Grade rating • Improved regulatory landscape and investor confidence • Sustained policy reforms and a commitment to responsible, transparent governance • Philippines has jumped to 16
Slide 12: Largely permitted with robust Community Endorsement
Largely permitted with robust Community Endorsement Signed Memorandum Received Environmental of Agreement with Compliance Certification Mansaka Indigenous in Q1 2015 Peoples in Q2 2015 • Declaration of Mining Project Feasibility permit approval received in December 2015 • Certification Precondition
Slide 13: St. Augustine Capital Structure
St. Augustine Capital Structure St. Augustine (TSX: SAU) Shares issued and outstanding 1,562,749,129 Market Cap CAD 610 million Major Shareholders Queensberry Mining and Development Corp. 33.64% Russell Mining Corp. 7.64% NADECOR and NADECOR Shareholders 11.50% Mr. Manuel Paolo A. Villar, the Corpor
Slide 14: Project Ownership
Project Ownership 11.5% Ownership Exclusive Ore Supply Agreement Avcict + St-Augustine
Slide 15: Thank You.
Thank You. email@sagcmining.com +63288881234 www.sagcmining.com 15
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