Marksmen Energy Inc. Announces Appointment of New Director

Calgary, Alberta, Dec. 16, 2025 (GLOBE NEWSWIRE) -- Marksmen Energy Inc. (TSXV: MAH) (“Marksmen” or the “Company”) is pleased to announce the appointment of Greg T. Busby to the Board of Director of the Company, effective immediately.

Mr. Busby is an accomplished independent businessman with over 34 years of experience in the oil and gas industry. A professional Landman, he brings extensive expertise in structuring and negotiating corporate transactions for both public and private energy companies. His career includes a solid track record in executive leadership, raising capital and the execution of successful mergers, acquisitions and joint ventures with industry partners.

Prior to joining Marksmen, Mr. Busby served as President, CEO, and Director of WesCan Energy Corp. for over 12 years, leading the company’s sustainability, growth, and operations until October 2023. Previously, he was the President & CEO of CanRock Energy Corp., a junior oil and gas company he co-founded and successfully positioned for a profitable exit within three years. His career also includes serving as President & CEO and Director of Sable Energy Ltd. and Sable Energy (UK) Ltd., where he spearheaded international North Sea exploration and production initiatives.

"We are thrilled to welcome Mr. Busby to the Marksmen team," said Archie Nesbitt. "His deep industry knowledge, leadership experience, and ability to execute on strategic growth initiatives will be invaluable as we advance our mission to unlock the potential opportunities and future success of the Company."

Beyond his executive leadership, Mr. Busby has played a pivotal role in restructuring and refinancing distressed energy companies, driving significant improvements in production, reserves, and financial performance. Mr. Busby’s leadership is expected to play a critical role in advancing corporate initiatives and accelerating growth within the energy sector in Canada and the United States.

On behalf of the Board of Directors of Marksmen Energy Inc.

“Archie Nesbitt”

Archie Nesbitt, Chairman of the Board

TSX Venture: MAH www.marksmenenergy.com

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