Slide 1: Discovery Powered by Demand.
Discovery Powered by Demand. A High-grade, Multi-metal Opportunity in Canada’s Prolific VMS Districts. Investor Presentation Pre-IPO Update – May 2026
Slide 2: Disclosure Statement
DISCLOSURE STATEMENT This presentation contains forward-looking information within the meaning of applicable Canadian securities laws, including statements regarding Althea Copper Corp.'s plans for the Mink Narrows Project, exploration programs, exploration outcomes, future business plans, capital m
Slide 3: Why Manitoba?
Flin Flon was founded in 1927 by Hudson Bay Mining and Smelting to WHY MANITOBA? exploit the giant high-grade 62 million tonne Flin Flon deposit. It is one of the most significant VMS districts in the world with over 30 mines and production totaling over 130 million tonnes. Infrastructure Comprehens
Slide 4: Strategic Location - Surrounded by Majors
STRATEGIC LOCATION - SURROUNDED BY MAJORS • Large, strategically positioned land package with multiple high-priority exploration targets. • Surrounded by multiple world class copper, gold and base metals deposits • Well positioned with excellent nearby infrastructure and a highway passing through th
Slide 5: Mink Narrows: Copper Reef VMS Deposit Highlights
MINK NARROWS Copper Reef VMS Deposit Highlights Historic Mineral Resource* • >500,000 tonnes @ 1.5% Cu and 0.5% Zn (*other metals not included in early estimate) Extent of Copper Reef Deposit Large Bulk Tonnage Style Intercepts • 67.8m at 1.5% CuEq from 152.8m (MN-08-46) High-Grade Copper and Gold D
Slide 6: Management & Board
MANAGEMENT & BOARD Lowell Kamin | President, CEO & Director Leo Horn | Technical Director (From Yankee Hat Minerals Shell) • Founded Althea Copper Corp. in 2022 • 22+ years global exploration & mining experience • Acquired the Mink Narrows Project in Manitoba in 2024 • Led discovery of large, high-g
Slide 7: The Althea Opportunity
Established Copper System with Expansion Potential THE ALTHEA OPPORTUNITY Historic resource of >500,000 tonnes @ 1.5% Cu, 0.5% Zn, untested at depth and surrounded by multiple undrilled conductors. Positioned for Discovery Strategic Land Package with Clear Targets in a Proven Copper District. 53 cla
Slide 8: Project Readiness
Drill-Ready & Permitted Permits secured for nine holes (~3,400 m). First of four- PROJECT READINESS hole program ready to spud. Drilling-Ready, Historical Data Digitized & 3D Modeled Full project history compiled and integrated into a 3D Not Drilling-Hopeful. target model — no rebuilding required. M
Slide 9: District Scale Potential
DISTRICT SCALE To date, over 156 Million tonnes of Sulphide Ore has been mined POTENTIAL from 29 VMS deposits in the Flin Flon and Snow Lake districts. Selected Copper-Zinc (Gold, Silver) Deposits in Manitoba DEPOSIT DISTRICT OWNERSHIP DISCOVERY RESOURCE RESOURCE GRADE YEAR (MT) % CU % ZN G/T AU G/T
Slide 10: Copper Reef
COPPER REEF Historic Drilling Compilation & 3D Interpretation • Digital data compilation and 3D interpretation finalised which indicates excellent potential to expand the resource • Review reveals Copper Reef orebody extends to up to 500m depth possibly indicating significant depth potential of VMS
Slide 11: Copper Reef
• Spatial association between magnetic banded iron and formation COPPER REEF of VMS-style copper-zinc-gold-silver mineralization at Mink Narrows • Massive sulphide contains magnetic pyrrhotite sulphide which can Multiple High-Impact VMS Discovery be detected with magnetics Targets Defined by Magneti
Slide 12: Copper Reef
Iso-shells of the conductivity COPPER REEF Recent Exploration Activity Fall 2024 Geophysics • Updated the entire property with Axiom’s Xcite TDEM survey across the entire project • Over 1200-line kms at 100 m spacing TDEM Data • >~15 km conductive strike length • Conductive Body is open at depth • N
Slide 13: Beyond Copper Reef
BEYOND COPPER REEF A Pipeline of Discovery Targets Althea controls a district-scale land package with multiple high-priority targets beyond the flagship Copper Reef deposit. Each offers standalone discovery potential while enhancing the scale of the broader system. COMMODITY TARGET DISCOVERY THESIS
Slide 14: Mink Narrows Gold Targets
MINK NARROWS Gold Targets The Gurney Trend offers near-term discovery potential for a high-grade, economic gold-silver deposit. Gurney Trend | Untested High-Grade Gold-Silver Corridor • 10 km of the Gurney Mine structural corridor within Althea’s ground, traceable for 55 km to historic Gurney & Cent
Slide 15: Mink Narrows Additional Copper Targets
MINK NARROWS Additional Copper Targets • May Copper Occurrence is a historical copper-gold discovery from the 1980’s with very little follow-up work • Extensive chalcopyrite and pyrite occurs as veins and disseminations within mafic volcanic breccias and intrusive diorite rocks • Best historical dri
Slide 16: Contact
Contact Lowell Kamin | President & CEO Toronto +1 (416) 272-1241 (WhatsApp) Vancouver +1 (672) 771-1241 lkamin@integritycapitalgrp.com | 16