Harfang Completes Flow-Through Financing

MONTREAL, Nov. 19, 2025 - Harfang Exploration Inc. ("Harfang" or the "Company") (TSX.V: HAR) is pleased to announce the completion of a non-brokered private placement (the "Offering") consisting of the issuance of 11,441,104 flow-through common shares (the "FT Shares"), for gross proceeds of $1,125,000. 3,809,524 FT Shares were issued at $0.105 ("Quebec FT Shares") while the remining 7,631,580 FT Shares were issued at $0.095 ("Ontario FT Shares"). The proceeds of the Offering will be used to advance the Company's portfolio of exploration projects in Québec and Ontario. In connection with the Offering, the Company paid finder's fees consisting of 1,058,823 common shares of the Company to third parties dealing at arm's length with the Company.

All securities issued in connection with the Offering are subject to a hold period of four months and one day. The Offering is subject to the approval of the TSX Venture Exchange.

About Harfang Exploration Inc.

Harfang is a discovery-driven mineral exploration company focused on identifying and advancing high-potential ore deposits in Québec and Ontario. The Company leverages rigorous geoscience, disciplined capital deployment, and a partnership-oriented mindset to maximize discovery potential. Harfang is run by a team of enthusiastic industry professionals with varied experience and a proven track record. In November 2024, Harfang completed the acquisition of NewOrigin Gold Corp., consolidating high-quality gold assets, including properties in the Pickle Lake and Abitibi regions. Harfang is committed to sustainable exploration practices, engaging closely with local stakeholders, and prioritizing environmental stewardship.

For further information, please contact:

Rick Breger, P.Geo., MBA
President & CEO, Director
Harfang Exploration Inc.
E : rbreger@harfangexploration.com
T : 514.940.0670

Cautionary Statement Regarding Forward-Looking Information

The information in this news release includes certain information and statements about management's view of future events, expectations, plans and prospects that constitute forward-looking statements. These statements are based upon assumptions that are subject to significant risks and uncertainties. Because of these risks and uncertainties and as a result of a variety of factors, the actual results, expectations, achievements or performance may differ materially from those anticipated and indicated by these forward-looking statements. Any number of factors could cause actual results to differ materially from these forward-looking statements as well as future results. Although Harfang believes that the expectations reflected in forward-looking statements are reasonable, it can give no assurances that the expectations of any forward-looking statements will prove to be correct. Except as required by law, Harfang disclaims any intention and assumes no obligation to update or revise any forward-looking statements to reflect actual results, whether as a result of new information, future events, changes in assumptions, changes in factors affecting such forward-looking statements or otherwise. Neither the TSX Venture Exchange nor its Regulation Services Provider (as that term is defined in the policies of the TSX Venture Exchange) accepts responsibility for the adequacy or accuracy of this release.