St. Augustine Gold & Copper Ltd. · TSX:SAU
St. Augustine Gold & Copper — Investor Presentation (September 2025)
18 slides from St. Augustine Gold & Copper's investor presentation, September 2025
Slide 1: Building a World-Class Copper-Gold Project
SAU Building a World-Class Copper-Gold Project Unlocking one of the world’s largest undeveloped deposits in Mindanao Corporate Presentation: The Kingking Project 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: Table of Contents
TABLE OF CONTENTS 01 About The Project SAU Corporate Presentation Slides 4-5 02 Exploration, Site Plan, September 2025 Operations, Production Slides 6-10 03 Project Economics Slides 11-12 04 Management Team Slide 13 05 Investment Features, Capital Structure, Project Ownership Slides 14-17
Slide 4: Tier 1 Kingking Project
Tier 1 Kingking Project The most advanced greenfield project in its class, largely permitted • A world-class resource with district opportunity • Long life large scale open pit operations • Low strip ratio and significant gold credits result in first quartile cost operation • Attractive economics: A
Slide 5: Tier 1 Kingking Project (2)
Tier 1 Kingking Project (2) The most advanced greenfield project in its class, largely permitted • Philippines: a favorable mining jurisdiction • Robust community endorsement • Compliant with all international standards and government regulations – strong ESG commitment • Well developed infrastructu
Slide 6: World Class Resource
World Class Resource SAU Corporate Presentation September 2025 Current Drill Holes Defining the M+I+I Resource • Mineral Reserve = 960 Mt of ore • Mineral Resource (M+I+I) = • Defined by +100,000 meters of • 5.4 bn lbs (2.5Mt) of Copper / 9.8 1,795 Mt of ore drilling million ounces of Gold • 9 bn lb
Slide 7: District Opportunity
District Opportunity Exploration & Resource Development • Oxide at Bacada (south pit boundary) SAU Corporate Presentation • Porphyry Copper Gold at Diat • Gold at Binutaan – north tenement area demonstrates a September 2025 high-grade epithermal system distal to the porphyry Exploration Drill Holes
Slide 8: Site Plan
Site Plan SAU Corporate Presentation September 2025 Initial Capital Site plan to be optimized during DFS 8
Slide 9: Large scale open pit operations
Large scale open pit operations SAU Corporate Presentation September 2025 LOM Production: 4.4 1st 5 years Annual 1st 5 years Mill: 60,000 TPD bn lbs (2 Mt) of Cu / Average 129,000 Equivalent Mill incl. tailings leach + 6.9 million oz Au tonnes Cu / Copper Grade of 40,000 TPD Heap 333,000 Oz Au 0.83%
Slide 10: Production
Production SAU Corporate Presentation September 2025 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 flota
Slide 11: Attractive Project Economics
Attractive Project Economics Economics NPV7% IRR SAU Corporate Presentation Attractive project economics $4,184mm 34.2% with a first quartile cash cost position and substantial gold September 2025 credits Average Annual Net The Kingking Project is Cash Flow positioned to generate an $290mm(3) after
Slide 12: Attractive Economics (2)
Attractive Economics (2) SAU Corporate Presentation First Quartile Cash Cost Position(2) NPV and IRR are after tax and assume an income tax holiday for the first ten years of September 2025 the project. (1) The benefit cost ratio (BCR) is calculated by dividing the after-tax net present value (at 7%
Slide 13: Experienced Management Team
Experienced Management Manuel Paolo A. Villar Michael G. Regino Love “Lolot” D. Manigsaca Nicolaos Paraskevas Andrew J. Russell Jaydee Justine B. Legaspi-Buduan Team President & CEO Director Chief Financial Officer Executive Director Project Director General Counsel Mr. Villar has been a Mr. Regino
Slide 14: Favourable Mining Jurisdiction
Favourable Mining Jurisdiction • 2nd largest global gold endowment • 3rd largest global copper endowment SAU Corporate Presentation • Investment Grade rating • Improved regulatory landscape and investor confidence • Sustained policy reforms and a commitment to September 2025 responsible, transparent
Slide 15: Largely Permitted with Robust Community Endorsement
Received Signed Memorandum Largely Permitted with Environmental Robust Community of Agreement with Compliance Mansaka Certification in Indigenous Q1 2015 Endorsement Peoples in Q2 2015 SAU Corporate Presentation Declaration of Certification MPSA Renewal Deed of Assignment September 2025 Mining Proje
Slide 16: Capital Structure
St. Augustine (TSX: SAU) Shares issued and outstanding 1,562,749,129 St. Augustine SAU Corporate Presentation Market Cap CAD 610 million Capital Structure Major Shareholders September 2025 Queensberry Mining and Development Corp. 33.64% Russell Mining Corp. 7.64% NADECOR and NADECOR Shareholders 11.
Slide 17: Project Ownership
Project Ownership 11.5% Ownership 7.64% Russell Mining Group (USA) SAU Corporate Presentation NADECOR Villar Group 33.64% (Philippines) (Philippines) SAU September 2025 40% 20% 40% 100% Kingking Kingking Mining Corp Milling, Inc. Exclusive Ore (MineCo) (MillCo) Supply Agreement 17
Slide 18: Thank You
Thank You info@kingking.ph +63288881234 www.sagcmining.com 18
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