Slide 1: Canada’s Premier Uranium Exploration Company
Canada’s Premier Uranium Exploration Company TSXV : SASK FRA : X5U OTCQX : SASKF www.athaenergy.com Corporate Presentation August 2026
Slide 2: Disclaimer
ATHA Energy Corp. | August 2026 Corporate Presentation Disclaimer This document is a presentation (this “Presentation”) concerning certain general background information about the activities the regulatory environments in which the Company operates; the anticipated benefits of the Company’s proposed
Slide 3: Capital Structure
ATHA Energy Corp. | August 2026 Corporate Presentation Capital Structure Share Capital 1 Analyst Coverage Basic Shares Outstanding M 351.6 Firm Analyst Share Price (July 31, 2026) C$1.02 Katie Lachapelle Basic Market Cap M C$357 Enterprise Value M C$335 Options M 30.4 Roger Bell RSUs M 4.7 Warrants
Slide 4: Best Canadian Uranium Jurisdictions
ATHA Energy Corp. | August 2026 Corporate Presentation Best Canadian Uranium Jurisdictions THE ATHABASCA BASIN THE ANGIKUNI/THELON/YATHKYED BASINS THE CENTRAL MINERAL BELT Home to the largest and A geological analogue to Host to a widespread highest-grade uranium the Athabasca Basin in a variety of
Slide 5: Development Ready Team with expertise from discovery through to production
ATHA Energy Corp. | August 2026 Corporate Presentation Development Ready Team with expertise from discovery through to production at Canada’s largest uranium mines and deposits including McArthur River, Cigar Lake, Eagle Point, and Arrow Troy Boisjoli Cliff Revering Karina Tyne Ryan Gaffney Rhéal As
Slide 6: A comprehensive uranium portfolio across Canada’s best jurisdictions
ATHA Energy Corp. | August 2026 Corporate Presentation ASSET OVERVIEW A comprehensive uranium Thelon portfolio across Canada’s Basin Angilak Project best jurisdictions for Athabasca Basin uranium, anchored by Central Mineral Belt ATHA Energy’s flagship Angilak Project FLAGSHIP PROJECT ADVANCED TARGE
Slide 7: Advancing an Exploration Portfolio
ATHA Energy Corp. | August 2026 Corporate Presentation Advancing an Exploration Portfolio Advancing flagship Angilak Project across the Lassonde Curve, exploration torque from Canada’s largest exploration portfolio Team with track record of resource growth and uranium mine operations at many of the
Slide 8: Leading Exploration Upside
ATHA Energy Corp. | August 2026 Corporate Presentation Leading Exploration Upside DEVELOPERS EXPLORERS Enterprise Value (C$ million)1 $9,599 Positioned as a leader amongst exploration peers, with an asset base and uranium project development and $4,691 production experience to rapidly advance projec
Slide 9: The Angilak Project
ATHA Energy Corp. | August 2026 Corporate Presentation The Angilak Project FLAGSHIP PROJECT ADVANCED TARGETS CARRIED INTEREST EXPLORATION PIPELINE An emerging basin, 100% MRC Corridor Lac 50 Deposit Corridor KU-Nine Iron Corridor owned by ATHA, with multiple Angikuni Basin & Yathkyed Basins, Nunavut
Slide 10: The Lac 50 Deposit Corridor
ATHA Energy Corp. | August 2026 Corporate Presentation The Lac 50 Deposit Corridor FLAGSHIP PROJECT ADVANCED TARGETS CARRIED INTEREST EXPLORATION PIPELINE Expanding the footprint of known uranium mineralization 2024 - 2025 Exploration Work LAC 50 2025 EXPLORATION TARGET MODEL • J4/Ray Zone expanded
Slide 11: Lac 50 Deposit
ATHA Energy Corp. | August 2026 Corporate Presentation Lac 50 Deposit FLAGSHIP PROJECT ADVANCED TARGETS CARRIED INTEREST EXPLORATION PIPELINE The Lac 50 Deposit contains multiple parallel trends that are open to be tested in all directions and at depth 2024 Lac 50 Long-Section 2024 Lac 50 Deposit Mo
Slide 12: The Lac 50 Deposit Corridor
ATHA Energy Corp. | August 2026 Corporate Presentation The Lac 50 Deposit Corridor FLAGSHIP PROJECT ADVANCED TARGETS CARRIED INTEREST EXPLORATION PIPELINE 3D Inversion targets highlight prospectivity along 21km of strike from the Lac 50 Deposit area which remains open in all directions and at depth
Slide 13: Mineralized RIB Corridor (“MRC”)
ATHA Energy Corp. | August 2026 Corporate Presentation Mineralized RIB Corridor (“MRC”) FLAGSHIP PROJECT ADVANCED TARGETS CARRIED INTEREST EXPLORATION PIPELINE Proven Exploration Approach: 18 km strike of prospective mineralization 2025 RIB-North underpinned by advanced EM-defined drill targets Disc
Slide 14: Largest Portfolio in the Athabasca Basin
ATHA Energy Corp. | August 2026 Corporate Presentation Largest Portfolio in the Athabasca Basin FLAGSHIP PROJECT ADVANCED TARGETS CARRIED INTEREST EXPLORATION PIPELINE +3M acres Accumulated over 10+ years by the most successful uranium staking team in Canada Advanced Targets Pinnacle - Wares • +12km
Slide 15: Athabasca Basin - Carried Interest Upside
ATHA Energy Corp. | August 2026 Corporate Presentation Athabasca Basin - Carried Interest Upside FLAGSHIP PROJECT ADVANCED TARGETS CARRIED INTEREST EXPLORATION PIPELINE ATHA holds 10% carried interests in key NexGen Energy & IsoEnergy exploration lands TSXV : SASK FRA : X5U OTCQX : SASKF 17
Slide 16: Nunavut and Labrador Assets
ATHA Energy Corp. | August 2026 Corporate Presentation Nunavut and Labrador Assets FLAGSHIP PROJECT ADVANCED TARGETS CARRIED INTEREST EXPLORATION PIPELINE Multiple Basins, Nunavut Central Mineral Belt, Labrador Expansive uranium exploration portfolio in one Dominant land position with existing of Ca
Slide 17: Troy Boisjoli, Ryan Gaffney
TSXV : SASK FRA : X5U OTCQX : SASKF Troy Boisjoli Chief Executive Officer & Director Ryan Gaffney Sr. Vice President, Business Development www.athaenergy.com +1.236.521.0526 info@athaenergy.com @ATHAENERGYCORP
Slide 18: Appendix - Disclaimer
ATHA Energy Corp. | August 2026 Corporate Presentation Appendix - Disclaimer TECHNICAL INFORMATION All of the scientific and technical information in this presentation with respect to Atha has been reviewed and approved by Cliff Revering, P.Eng. Mr. Revering has verified the sampling, analytical, an