Mine Permit Received Approving Mount Polley’s Life of Mine Plan
imperialmetals.com
News Release
Mine Permit Received Approving Mount Polley’s Life of Mine Plan
Vancouver |August 29, 2025 | Imperial Metals Corporation (the “Company” or “Imperial”) (TSX:III) reports that
the Province of British Columbia has issued a permit amendment to allow expansion and extension of mining
activities at the Mou nt Polley Mine (“Mount Polley”) in south-central British Columbia. Issuance of t he permit
amendment followed consent by both the Minist er of Mining and Critical Minerals and the Minist er of
Environment and Parks under Mount Polley’s environmental assessment certificate.
The expansion will extend Mount Polley’s operating life, allowing for pit development and expansion of rock -
storage areas consistent with the mine plan submitted in the amendment application. The expansion will occur
within the existing mine site footprint.
A joint review of the expansion followed careful assessment of technical reports, co-ordination with the
regulatory agencies and consultations with the First Nations. The review ensured the decision meets B.C.’s high
standards for environmental protection and public safety.
“Receiving this permit is good news for Imperial, our workers, the l ocal community and our First Nations
partners. We will be able to continue to provide good jobs and economic opportunities for the region. We will
also continue to develop our exploration and mine planning to look for opportunities for further extension of the
mine life. As always, we will follow regulatory processes and respectfully engage with Williams Lake First Nation
and Xatśūll First Nation,” said Brian Kynoch, President of Imperial.
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About Imperial
Imperial is a Vancouver-based exploration, mine development and operating company with holdings that include the Mount
Polley mine (100%), the Huckleberry mine (100%), and the Red Chris mine (30%). Imperial also holds a portfolio of 23 greenfield
exploration properties in British Columbia.
Imperial Contacts
Brian Kynoch | President | 604.669.8959
Darb S. Dhillon | Chief Financial Officer | 604.669.8959
Cautionary Note Regarding Forward-Looking Statements
Certain information contained in this news release are not statements of historical fact and are “forward -looking” statements.
Forward-looking statements relate to future events or future performance and reflect Imperial management’s expectations or
beliefs regarding future events, and include, but are not limited to statements regarding : the Company’s and MPMC’s
expectations regarding future mining, including pit development and expansion of rock storage areas pursuant to the updated
permit; their relationships with Indigenous communities; expectations regarding ongoing engagement with Xatśūll and other
Indigenous communities during operations and future permitting process es; and other risks outlined in statements made by
Imperial from time to time in the filings made by Imperial with securities regulators. Imperial disclaims any intention or obligation
to update or revise any forward-looking statements, whether as a result of new information, future events, or otherwise, except
as required by applicable securities legislation.
In certain cases, forward-looking statements can be identified by the use of words such as “plans”, “expects” or “does not expect”,
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“may”, “could”, “would”, “might” or “will be taken”, “occur” or “be achieved" or the negative of these terms or compara ble
terminology. By their very nature forward-looking statements involve known and unknown risks, uncertainties and other factors
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which may cause the actual results, performance or achievements of Imperial to be materially different from any future result s,
performance or achievements expressed or implied by the forward-looking statements.
In making the forward-looking statements in this news release, Imperial has applied certain factors and assumptions that are based
on information currently available to Imperial as well as Imperial’s current beliefs and assumptions. These factors and assumptions
and beliefs and assumptions include, the risk factors detailed in the Company’s current Annual Information Form and from time to
time in Imperial’s interim and annual financial statements and management’s discussion and analysis of those statements, all of
which are filed and available for review on SEDAR+ at www.sedarplus.com. Although Imperial has attempted to identify important
factors that could cause actual actions, events or results to differ materially from those described in forward -looking statements,
there may be other factors that cause actions, events or results not to be as anticipated, estimated or intended, many of which are
beyond Imperial’s ability to control or predict. 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 . Accordingly, readers should
not place undue reliance on forward looking statements and all forward -looking statements in this news release are qualified by
these cautionary statements.