Mr. Colin Healey reports

PREMIER AMERICAN URANIUM ANNOUNCES BOARD LEADERSHIP TRANSITION

Tim Rotolo has resigned as chairman and a director of Premier American Uranium Inc., effective Sept. 21, 2026. Michael Harrison, a current director of Premier American Uranium, has been appointed chairman of the board.

Mr. Rotolo has played an important leadership role in Premier American Uranium since its formation in late 2023, initially serving as the company's chief executive officer before transitioning to chairman in March, 2024. During his tenure, Premier American Uranium significantly expanded its U.S. uranium portfolio through the acquisitions of American Future Fuel Corp. and Nuclear Fuels Inc. and recently announced a strategic transaction with DISA Uranium Corp. Mr. Rotolo indicated that his decision follows the achievement of an important milestone in the strategy Sachem Cove helped establish for Premier American Uranium: building a meaningful U.S. uranium platform and attracting a strategic partner capable of supporting its next phase of growth. The company's recently announced transaction with DISA Uranium represents the realization of that strategy.

Colin Healey, chief executive officer of Premier American Uranium, commented: "On behalf of the board and management team, I would like to thank Tim for his leadership and significant contributions to PUR. From serving as PUR's first chief executive officer to guiding the company as chairman, Tim has been instrumental in building the business and establishing the foundation we have today. We are pleased that Sachem Cove will remain PUR's largest shareholder and continue to support the company as we enter our next phase of growth."

Mr. Rotolo commented: "When Sachem Cove backed PUR, our thesis was that a disciplined consolidator with the right team could build a meaningful U.S. uranium platform and attract the type of strategic partner capable of accelerating its development. The recent transaction with DISA Uranium represents the realization of that thesis and positions PUR exceptionally well for its next chapter. With that strategic relationship now in place, I believe this is the right time for me to step away from the board and focus on Sachem Cove's other commitments. I am proud of what the team has accomplished since PUR's formation and confident in its ability to execute the strategy from here. Sachem Cove remains PUR's largest shareholder, and we look forward to continuing to support the company from the shareholder side."

Mr. Harrison has served as a director of Premier American Uranium since its formation and brings more than 30 years of mining, capital markets and transaction experience. As managing partner of Sprott Streaming and Royalty, he has extensive experience financing and advising mining companies, including uranium developers. His uranium-sector experience includes the merger of Denison Mines Inc. and International Uranium Corp., the initial public offering of Virginia Uranium Inc., and prior directorships with Uranium Royalty Corp. and Macusani Yellowcake Inc.

Mr. Harrison, chairman, commented: "I am pleased to assume the role of chairman at an important point in PUR's development. The company has assembled a strong portfolio across several leading U.S. uranium districts, and the strategic relationship with DISA Uranium provides additional financial and technical support as PUR advances its core assets. I look forward to working with the board and management team to build on this foundation. I would also like to thank Tim for his leadership and the important role he has played in establishing PUR."

About Premier American Uranium Inc.

Premier American Uranium is focused on consolidating, exploring and developing uranium projects across the United States to strengthen domestic energy security and advance the transition to clean energy. The company's extensive land position spans five of the nation's top uranium districts, with active work programs under way in New Mexico's Grants mineral belt and Wyoming's Great Divide and Powder River basins.

Backed by strategic partners including Sachem Cove Partners, IsoEnergy Ltd., Mega Uranium Ltd. and other leading institutional investors, Premier American Uranium is advancing a portfolio supported by defined resources and high-priority exploration and development targets. Led by a distinguished team with deep expertise in uranium exploration, development, permitting, operations, and uranium-focused M&A (mergers and acquisitions), the company is well positioned as a key player in advancing the U.S. uranium sector.

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