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ORE.TO ·

Orezone Declares Commercial Production at the Bomboré GOLD MINE

Production Results Mine Development & Operations

OREZONE GOLD CORPORATION

450-505 Burrard Street

Vancouver, BC, V7X 1M3

T: 778-945-8977

[email protected]

OREZONE DECLARES COMMERCIAL PRODUCTION AT THE BOMBORÉ GOLD MINE

December 1, 2022 – Vancouver, BC - Orezone Gold Corporation (TSX: ORE, OTCQX: ORZCF) (“Orezone”)

is pleased to announce that the Bomboré Gold Mine (“Bomboré”) has achieved commercial production,

effective December 1, 2022.

Orezone has declared commercial production at Bomboré based on achieving 30 consecutive days of mill

throughput exceeding 70% of nominal nameplate capacity of 14,250 tonnes per day (“tpd”) and recovery

reaching design levels of 90%. During November 2022, th e mill processed 364,123 ore tonnes

(12,137 tpd) at a recovery rate of 91%.

Patrick Downey, President & CEO commented, “ Commercial production at Bombor é is a significant

milestone and transforms the Company to producer status. We congratulate the Bomboré team for their

excellent execution in achieving this goal. With our power supply issues now firmly behind us, we are

focused on optimizing plant performance and steadily increasing throughput and availabilit y with the

objective of exceeding design capacity.”

Management plans to provide annual guidance for Bomboré in January 2023.

About Orezone Gold Corporation

Orezone Gold Corporation (TSX: ORE OTCQX: ORZCF) is a Canadian mining company operating the open

pit Bomboré Gold Mine in Burkina Faso.

Orezone is focusing on mining and processing the Phase I near surface free-dig oxides at a planned annual

throughput of 5.2 million tonnes. T he Company believes that Bomboré has a significant underlying

sulphide resource to support a substantially larger Phase II expansion. A 77,000 m infill and expansion drill

program is ongoing and once completed, the Compan y plans to issue an updated mineral resource and

reserve statement and feasibility study, as part of this Phase II expansion. It is expected that the studies

will be completed in H1-2023 to be followed by a production decision.

Orezone is led by an exper ienced team focused on social responsibility and sustainability with a proven

track record in project construction and operations, financings, capital markets and M&A.

The technical report for the 2019 Feasibility Study on the Bomboré Project entitled N I 43-101 Technical

Report (Amended) Feasibility Study of the Bomboré Gold Project is available on SEDAR under the

Company’s profile at www.Sedar.com.

For further information, please contact:

Patrick Downey

President and Chief Executive Officer

Vanessa Pickering

Manager, Investor Relations

- 2 -

Tel: 1 778 945 8977 / Toll Free: 1 888 673 0663

[email protected] / www.orezone.com

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

release.

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, “forward -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.

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 the COVID -19 pandemic, terrorist or other violent att acks, the failure of parties to

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

by applicable authorities; the failure of parties to contracts to perform as agreed; social or labour unrest; changes in

commodity prices; unexpected failure or inadequacy of infrastructure, the possibility of project cost overruns or

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 financing ne eded in the future, and other factors described in the Company's most recent

annual information form and management discussion and analysis filed on SEDAR on www.sedar.com. 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 managemen t 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 pres s release.