Mr. Patrick Downey reports

OREZONE FILES TECHNICAL REPORT FOR THE CASA BERARDI UPDATED LIFE-OF-MINE PLAN

Orezone Gold Corp. has filed the technical report supporting the Casa Berardi updated life-of-mine plan, previously announced by the company on Sept. 15, 2026.

The technical report titled "Updated Life-of-Mine Plan, Casa Berardi Mine, Northwestern Quebec, Canada, NI 43-101 Technical Report, Preliminary Economic Assessment" was prepared in accordance with National Instrument 43-101 -- Standards of Disclosure for Mineral Projects and has an effective date of June 30, 2026. The technical report is available under the company's profile on SEDAR+ and on the company's website.

There are no material differences between the technical report and the results disclosed in the news release.

About Orezone Gold Corp.

Orezone Gold is an emerging intermediate gold producer with operations in Canada and West Africa. Its Casa Berardi and Bombore gold mines host significant mineral endowments, growth opportunities, and exploration upside. The recently acquired Casa Berardi mine in Quebec has produced over 3.2 million ounces of gold to date while the Bombore mine was constructed and brought into production by Orezone in late 2022.

Orezone is led by an experienced management team committed to safe, sustainable and responsible mining practices, with a focus on delivering long-term value for all stakeholders.

Qualified persons

The technical report was prepared for the company by Rob Henderson, PEng, vice-president, technical services, of Orezone and Alexandre Nickerson, PEng, geology superintendent of Orezone Quebec Inc., each of whom is a qualified person as defined under National Instrument 43-101. Mr. Henderson and Mr. Nickerson have reviewed and approved the scientific and technical information contained in this news release. Neither Mr. Henderson nor Mr. Nickerson is independent of the company within the meaning of NI 43-101.

We seek Safe Harbor.