All statements, other than statements of historical fact, contained in this news release, including any information as to the future financial or operating performance of Osisko Development, constitute “forward-looking information” or “forward-looking statements” within the meaning of certain securities laws, including the provisions of the Securities Act (Ontario) and the “safe harbor” provisions under the United States Private Securities Litigation Reform Act of 1995 and are based on the expectations, estimates and projections of management as of the date of this news release, unless otherwise stated. Forward-looking statements contained in this news release include, without limitation, estimated total cash or share consideration from the sale of San Antonio; the future price of the Axo Shares; and the schedule of deferred
payments. Phrases or statements that certain actions, events or results may, could, should or will be achieved, received or taken, or will occur or result and similar such expressions identify forward-looking statements. The words “estimate”, “expects” or “would” or variations of or similar such words and phrases or statements that certain actions, events or results may, could, should or will be achieved, received or taken, or will occur or result and similar such expressions identify forward-looking statements. Forward-looking statements are, necessarily, based upon a number of estimates and assumptions that, while considered reasonable by Osisko Development as of the date of such statements, are inherently subject to significant business, economic and competitive uncertainties and contingencies. The estimates and assumptions of Osisko Development contained in this news release, which may prove to be incorrect, include, but are not limited to: (i) that the Company will receive the deferred consideration payable in accordance with the terms and conditions of the relevant agreements, on a basis consistent with our expectations; and (ii) that, in the event any deferred payment is not paid to Osisko Development, it will be able to enforce its rights under the relevant agreements in a manner consistent with its expectations. There can be no assurance that forward-looking statements will prove to be accurate, as actual results and future events could differ materially from those anticipated in such statements, including
the
risk
that
the
sale
transaction
will
not
be
completed
for
any
reason
and
that
the
contingent deferred
payments
are actually paid to Osisko Development. Forward-looking statements are provided for the purpose of providing information about management’s expectations and plans relating to the future. All of the forward-looking statements made in this news release are qualified by this cautionary statement and those made in our other filings with the securities regulators of Canada and the United States including, but not limited to, the cautionary statements made in the “Risk Analysis” section of our MD&A for the three and nine months ended September 30, 2025 and the Annual Information Form dated March 28, 2025. These factors are not intended to represent a complete list of the factors that could affect Osisko Development. Osisko Development disclaims any intention or obligation to update or revise any forward-looking statements or to explain any material difference between subsequent actual events and such forward-looking statements, except to the extent required by applicable law.