Mr. Marc-Andre Pelletier reports

BONTERRA FILES NI 43-101 TECHNICAL REPORT FOR THE BARRY AND GLADIATOR DEPOSITS

Bonterra Resources Inc. has filed the NI 43-101 technical report supporting the mineral resource estimates for the Barry and Gladiator deposits.

The report is titled "Updated Mineral Resource Estimate and Technical Report on the Barry and Gladiator Gold Properties, Phoenix Joint Venture Project, Northern Quebec, Canada." The report was prepared by Antoine Yassa, PGeo, OGQ, of P&E Mining Consultants Inc. based in Brampton, Ont., Canada. The report was independently prepared by P&E on behalf of the company in accordance with National Instrument 43-101, Standards of Disclosure for Mineral Projects, and is effective as of Feb. 18, 2026.

The report is available on the company's website and on SEDAR+ under the company's issuer profile.

Qualified person

M. Donald Trudel, PGeo (OGQ No. 813), director of geology for the company, has reviewed and approved the technical information contained in this press release. Mr. Trudel is a qualified person as defined by National Instrument 43-101, Standards of Disclosure for Mineral Projects.

About Bonterra Resources Inc.

Bonterra is a Canadian gold exploration company with a portfolio of advanced exploration assets anchored by a central milling facility in Quebec, Canada. The company's assets include the Gladiator, Barry, Moroy and Bachelor gold deposits, which collectively hold 16.8 million tonnes at an average grade of 3.02 grams per tonne gold for 1.63 million ounces of measured and indicated mineral resources, plus 15.6 million tonnes at an average grade of 4.32 grams per tonne gold for 2.17 million ounces gold of inferred mineral resources.

In November, 2023, the company entered into an earn-in and joint venture agreement with Osisko Mining Inc. for the Urban-Barry properties, which include the Gladiator and Barry deposits. In October, 2024, Gold Fields Ltd., through a wholly owned Canadian subsidiary, completed the acquisition of Osisko Mining for $2.16-billion. Gold Fields is now the counterparty to the joint venture agreement and can continue to earn a 70-per-cent interest in the joint venture by incurring $30-million in work expenditures on or before Nov. 2026 (including expenditures incurred by Osisko Mining prior to October, 2024). This strategic transaction highlights Bonterra's dedication to advancing its exploration assets, marking a significant step toward development.

We seek Safe Harbor.