Slide 1: The AntaKori Copper-Gold Project
The AntaKori Copper-Gold Project A World-Class Brownfield Opportunity TSX.V: REG OTCQX: RGLSF October 2025
Slide 2: Disclaimer
DISCLAIMER Forward-Looking Information Forward-Looking Information. Certain statements regarding Regulus, including management's assessment of future plans and operations, may constitute forward-looking statements under applicable securities laws and necessarily involve known and unknown risks and u
Slide 3: What is our long-term strategy?
OUR STRATEGY WHAT IS OUR LONG-TERM STRATEGY? Management With A Clear Business Model And Successful Track Record 1 2 3 Acquire Mineral Add Value by Monetize By Resources with Expanding Resource & Selling to a The Team’s Companies Overlooked Potential Project De-Risking Major Mining Co. & Key Projects
Slide 4: Why Regulus Resources?
INVESTMENT WHY HIGHLIGHTS REGULUS RESOURCES? AntaKori Is A High-Grade, Low Strip Project In An Established Mining District DELIVERING A PROVEN QUALITY COPPER PROJECT STRATEGY PARTNERS AT THE RIGHT TIME • One of the highest-grade undeveloped Identify • Experienced management team copper deposits with
Slide 5: Who are we?
WHO WHOARE AREWE? WE? Regulus’s Core Management Aldebaran’s Team Has A Team Core Management Track Record Has AOfTrack SuccessRecord Of Success ALIGNED WITH SHAREHOLDERS REGULUS RESOURCES’ SENIOR MANAGEMENT AND EXPERIENCED IN PERU • Regulus senior management has invested C$2.9 M buying shares over th
Slide 6: What is the capital structure?
CAPITAL WHAT IS STRUCTURE THE CAPITAL STRUCTURE? A Tightly-Held Junior With Strong And Strategic Partners SHARE OWNERSHIP CAPITAL STRUCTURE Route One Rio Tinto Management & Board Other Ticker (TSX.V) REG Ticker (BVL) REG Ticker (OTCQX) RGLSF 21.81% Shares issued 125,473,395 Fully diluted 135,298,395
Slide 7: Share Price Performance
SHARE PRICE PERFORMANCE One of the Best Performing Copper Juniors in the Last Two Years $3.00 Regulus Reports Positive Nuton Technologies Extraction Rates Regulus Share Price Has on AntaKori Mineralization From Phase Two Program Increased 200% In The Last Two Years $2.50 AntaKori Has Exposure To $2.
Slide 8: Where is the AntaKori project?
WHERE WHEREISISTHE THEANTAKORI PROJECT? ANTAKORI PROJECT? Located In A Well-Established Mining District In A Major Copper Producing Country TOP GLOBAL COPPER-GOLD PRODUCER Peru is the second largest copper producing country in the world and largest gold producer in South America. GEOLOGICALLY WELL-E
Slide 9: What is the district setting?
WHATISISTHE WHAT THE DISTRICT DISTRICT SETTING? SETTING? AntaKori Is Strategically Located Adjacent To Two Operating Mines TANTAHUATAY MINE • Oxide, heap leach gold mine operated by Coimolache (JV between Buenaventura, Southern Copper and ESPRO) • Mine projected to stop mining oxides in 20271 • Bene
Slide 10: What is the AntaKori project?
WHAT ISISTHE WHAT THEANTAKORI PROJECT? ANTAKORI PROJECT? AntaKori Represents A Portion Of A World-Class Copper-Gold Deposit 3D map looking to northwest AntaKori AntaKori – Brownfield Exploration Tantahuatay Oxide Mine Sulphides Exploration • 100% owned by Regulus • Significant resource calculated in
Slide 11: What is on the AntaKori side?
WHAT WHATISISON ONTHE ANTAKORI THE SIDE?SIDE? ANTAKORI A Significant Resource With High-Grade Mineralization At Surface And Low Strip Ratio (0.85/1) GOLD FIELDS EARN-IN CLAIMS High Grade Near Surface Section line Mineralization Outside Pit COIMOLACHE AREA OF INTEREST AntaKori Resource Highlights 201
Slide 12: What is on the Tantahuatay side?
WHAT ISISON WHAT ONTHE TANTAHUATAY THE SIDE? SIDE? TANTAHUATAY A Large Copper-Gold Sulphide Resource Beneath The Oxide Mine A’ A AntaKori Project Mineralization is restricted due to property boundary AntaKori Project Conceptual resource pit Tantahuatay Sulphides Resources published in Buenaventura •
Slide 13: Why is the TantaKori deposit so attractive?
WHY WHYIS ISTHE THE‘TANTAKORI’ “TANTAKORI”DEPOSIT DEPOSITSO SOATTRACTIVE? ATTRACTIVE? Size, Grade And Brownfield Nature Make The TantaKori Deposit Stand Out TantaKori Deposit Cu lbs - M&I Cu lbs - Inf Au Oz's - M&I Au Oz's - Inf HIGHLIGHTS • Large tonnage with attractive grades, and high-grade near
Slide 14: What does previous drilling at AntaKori show?
WHAT DOES PREVIOUS DRILLING AT ANTAKORI SHOW? AntaKori Is Unique Due To The High-Grade Mineralization Close To Surface DISTRIBUTION OF CURRENT RESOURCE 20 SIGNIFICANT DRILL HOLES AT ANTAKORI High Grade Near Surface • Approximately 36% of total tonnage within the top 300 m of the deposit is >0.7% CuE
Slide 15: What is the collaboration agreement with Coimolache?
WHAT IS THE COLLABORATION AGREEMENT WITH COIMOLACHE? Provides A Pathway To Evaluate The Combined TantaKori Project • Both Parties have agreed to complete a Mineral Resource Estimate (MRE) integrating both sides of the TantaKori deposit. • Agreement Announced July 25th, 2024. Integrated MRE to be pro
Slide 16: How Regulus has advanced the AntaKori project
HOW REGULUS HAS ADVANCED THE ANTAKORI PROJECT Land agreements, high-impact drilling and investments from strategic partners 2023-2025 2018-2023 2014-2018 2019 • Rio Tinto’s Nuton group invests • Phase Two drill C$20.5 M for a 16.11% equity 2014 • Land agreements •Resource Update program: 31,666.99 m
Slide 17: Rio Tinto Nuton strategic investment & partnership
RIO TINTO NUTON STRATEGIC INVESTMENT & PARTNERSHIP Collaborating To Unlock Copper Resources In A District With Substantial Scale Potential Financial Benefits Environmental Benefits • CAPEX reduction • Eliminates concentrator & tailings • Unlock lower-grade • ~30% water use compared to mineralization
Slide 18: Unlocking value at the AntaKori project
UNLOCKING VALUE UNLOCKING VALUEAT ATTHE THEANTAKORI ANTAKORIPROJECT PROJECT Perceived Issues At The Project vs Regulus’ Solutions Reached agreements with CMC, Buenaventura and Complex claim position: can exploration occur? Gold Fields to allow exploration Multiple pathways to deal with arsenic inclu
Slide 19: How do we create sustainable value for all stakeholders?
HOW DOSUSTAINABLE CREATING WE CREATEVALUE VALUE FOR FOR ALLALL STAKEHOLDERS? STAKEHOLDERS Regulus’ Approach To Sustainably Develop The AntaKori Project SUSTAINABLE VALUE FOR ALL STAKEHOLDERS ACTIVELY INVOLVED IN LARGE DEPOSIT WITH POTENTIAL A TECHNICAL APPROACH THAT LONG-TERM COMMUNITY AND FOR MULTI
Slide 20: Environmental, Social and Governance Focused
ENVIRONMENTAL, SOCIAL AND GOVERNANCE FOCUSED Accelerating Long-Term Involvement In Local Community And Environmental Initiatives The installation and Stimulating agricultural technical support of production with satellite internet landowners in the vicinity antennas in Chugur and Hualgayoc of the An
Slide 21: A new copper mining cluster in northern Peru
A NEW COPPER MINING CLUSTER IN NORTHERN PERU Cajamarca Is Key To Peru’s Northern Mining Corridor, And Majors Are Investing Current Copper Producing Cluster And New Potential Cluster “In the north, there is a clear copper cluster in Cajamarca. For example, there is Tantahuatay Sulfides, AntaKori and
Slide 22: Why copper?
WHY COPPER? A Combination of Increasing Demand and Diminishing Supply More copper required over next 25 years than has been produced over the last 120 years Six new large mines required every year to meet coming demand Lack of quality projects available to bring into production TSX.V: REG OTCQX: RGL
Slide 23: Majors actively acquiring copper assets
MAJORSACTIVELY MAJORS ACTIVELY ACQUIRING ACQUIRING COPPER COPPER ASSETS ASSETS Majors looking Majors lookingforfor growth in copper growth with limited in copper withopportunities limited opportunities MMG agrees to acquire Khoemacau Copper Mine US$1.88 B 2023 BHP acquires Oz Minerals US$6.4 B 2023
Slide 24: What did the team do with Antares?
WHAT DID THE TEAM DO WITH ANTARES? Generated Significant Value For Shareholders First Quantum $10.00 Transaction Closed First Quantum $7.50 Transaction Announced SHARE PRICE (C$) First Deep Holes in Haquira East Financial Crisis $5.00 PEA Acquired Haquira Updated Resource $2.50 -- Nov-04 Nov-05 Nov-
Slide 25: 2019 AntaKori Resource Estimate
2019 ANTAKORI 2019 ANTAKORI RESOURCE ESTIMATE RESOURCE Details From The 2019 Resource Estimate For AntaKori AntaKori Indicated Mineral Resources AntaKori Inferred Mineral Resources AntaKori Indicated Mineral Resource Contained Metals AntaKori Inferred Mineral Resource Contained Metals CuEq Tonnes Cu
Slide 26: Recap: The AntaKori Project
THE ANTAKORI INVESTMENT RECAP: THEPROJECT ANTAKORI PROJECT A Brownfield Copper-Gold Deposit with District-Scale Potential A Brownfield Copper-Gold Deposit with District-Scale Potential GROWING MINERAL RESOURCE REGIONAL DEVELOPMENT PROJECT POTENTIAL ● 250 Mt @ 0.48% Cu, 0.29 g/t Au, 7.5 g/t Ag ● Near