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ORE.TO ·

Orezone Reports First GOLD from Bomboré HARD ROCK Expansion

Mine Development & Operations

OREZONE GOLD CORPORATION

450-505 Burrard Street

Vancouver, BC, V7X 1M3

T: 778-945-8977

[email protected]

OREZONE REPORTS FIRST GOLD FROM BOMBORÉ HARD ROCK EXPANSION

December 15, 2025 – Vancouver, BC - Orezone Gold Corporation (TSX: ORE | ASX: ORE | OTCQX: ORZCF)

(the “Company” or “Orezone”) is pleased to announce that it has completed the first gold pour from the

Company’s new 2.5Mtpa hard rock expansion.

Patrick Downey, President and CEO stated , "Commissioning of this plant is now complete , with mill

throughput averaging 78% of nameplate capacity for the first 5 days of operations, resulting in first gold

on December 15.

I want to extend my sincere gratitude to all involved in the construction and commissioning of th e

Bomboré hard rock expansion. Their dedication, hard work and commitment to excellence have safely

delivered the stage 1 expansion on time and on budget over a construction period of approximately 12

months. This is a commendable achievement, reflecting an industry-leading level of project delivery.

Commercial production is expected to be declared in early Q1-2026, and will represent a major milestone

for Orezone, with overall gold production at Bomboré set to increase by 45% to 170,000 -185,000oz in

2026. This will mark a significant cash flow inflection point, underscored by the Company’s solid balance

sheet and record high gold prices.”

Click here to view the video which illustrates the timeline and progress from commencement of

construction in November 2024 to first gold in December 2025.

About Orezone Gold Corporation

Orezone Gold Corporation (TSX: ORE | ASX: ORE | OTCQX: ORZCF) is a West African gold producer engaged

in mining, developing, and exploring the Bomboré Gold Mine in Burkina Faso. Combined production from

the oxide and stage 1 hard rock operations is forecasted to total between 170,000 and 185,000 ounces in

2026. The Company is also advancing stage 2 of the hard rock expansion, which is forecasted to increase

annual production to between 220,000 and 250,000 ounces.

Contact Information

Patrick Downey

President and Chief Executive Officer

Kevin MacKenzie

Vice President, Corporate Development and Investor Relations

Tel: 1 778 945 8977

[email protected] / www.orezone.com

For further information please contact Orezone at +1 (778) 945-8977 or visit the Company’s website at

www.orezone.com.

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The Toronto Stock Exchange neither approves nor disapproves the information contained in this news

release.

This announcement was authorized for release by Patrick Downey, Director, President & CEO.

Qualified Persons and Competent Person Statement

The scientific and technical information in this news release was reviewed and approved by Mr. Rob

Henderson, P. Eng, Vice -President of Technical Services and Mr. Dale Tweed, P. Eng., Vice -President of

Engineering, both of whom are Qualified Persons as defined under NI 43-101 - Standards of Disclosure for

Mineral Projects and Competent Persons as defined under the JORC Code (2012 Edition). Each of Messrs.

Henderson and Tweed have sufficient experience that is relevant to the scientific and technical

information disclosed in this news release and to the type of activity undertaken to qualify as Competent

Persons as defined in the JORC Code . Both are employees of the Company and have consented to the

inclusion in this announcement of all technical information based on their work the form and context in

which it appears.

Cautionary Note Regarding Forward-Looking Statements

This press release contains certain information that may constitute “forward -looking information” within the

meaning of applicable Canadian Securities laws and “forward-looking statements” within the meaning of applicable

U.S. securities laws (together, “f orward-looking statements”). Forward-looking statements are frequently

characterized by words such as “plan”, “expect”, “project”, “intend”, “believe”, “anticipate”, “estimate”, “potential”,

“possible” and other similar words, or statements that certain events or conditions “may”, “will”, “could”, or “should”

occur. Forward-looking statements in this press release include, but are not limited to, statements that commercial

production at the stage 1 hard rock plant is expected to be declared in early Q1-2026 and overall gold production at

Bomboré is set to increase by 45% to 170,000-185,000oz in 2026.

All such forward-looking statements are based on certain assumptions and analyses made by management in light

of their experience and perception of historical trends, current conditions and expected future developments, as well

as other factors management and the qualified persons believe are appropriate in the circumstances.

All forward-looking statements are subject to a variety of risks and uncertainties and other factors that could cause

actual events or results to differ materially from those projected in the forward-looking statements including, but not

limited to, delays caused by pandemics, terrorist or other violent attacks (including cyber security attacks), the failure

of parties to contracts to honour contractual commitments, unexpected changes in laws, rules or regulations, or their

enforcement by applicable authori ties; social or labour unrest; changes in commodity prices; unexpected failure or

inadequacy of infrastructure, the possibility of unanticipated costs and expenses, accidents and equipment

breakdowns, political risk, unanticipated changes in key management personnel and general economic, market or

business conditions, the failure of exploration programs, including drilling programs, to deliver anticipated results

and the failure of ongoing and uncertainties relating to the availability and costs of financin g needed in the future,

and other factors described in the Company's most recent annual information form , management discussion and

analysis and Section 4 of the ASX Prospectus dated July 11, 2025 filed on SEDAR+. Readers are cautioned not to place

undue reliance on forward-looking statements.

Although the forward-looking statements contained in this press release are based upon what management of the

Company believes are reasonable assumptions, the Company cannot assure investors that actual results will be

consistent with these forward-looking statements. These forward-looking statements are made as of the date of this

press release and are expressly qualified in their entirety by this cautionary statement. Subject to applicable securities

laws, the Company does not assume any obligation to upd ate or revise the forward -looking statements contained

herein to reflect events or circumstances occurring after the date of this press release.