Mr. Ernest Mast reports

DORE COPPER ANNOUNCES SHAREHOLDER APPROVAL OF PLAN OF ARRANGEMENT WITH CYGNUS METALS

At Dore Copper Mining Corp.'s special meeting of shareholders held earlier today, Dore Copper shareholders overwhelmingly voted in favour of approving the special resolution authorizing the previously announced plan of arrangement (news release Oct. 15, 2024) whereby Cygnus Metals Ltd., through its wholly owned subsidiary, 1505901 B.C. Ltd., will acquire all of the issued and outstanding common shares in the capital of Dore Copper and, in exchange, Dore Copper shareholders will receive 1.8297 ordinary shares in the capital of Cygnus for each Dore Copper share held.

Dore Copper would like to thank its shareholders for their overwhelming support of the combination of Cygnus and Dore Copper to create a Quebec-focused critical minerals explorer and developer with high-grade copper and lithium resources.

At the meeting, the arrangement resolution was approved by (i) approximately 100 per cent of the votes cast by Dore Copper shareholders present in person or represented by proxy and entitled to vote, and (ii) approximately 100 per cent of the votes cast by the minority Dore Copper shareholders present in person or represented by proxy and entitled to vote, which excluded the votes cast in respect of the Dore Copper shares beneficially owned, or over which control or direction is exercised, by Mario Stifano, Ernest Mast and Ocean Partners Holdings Ltd., as determined in accordance with Multilateral Instrument 61-101 -- Protection of Minority Shareholders in Special Transactions. A total of 121,067,401 Dore Copper shares were voted at the meeting, representing approximately 71.50 per cent of the issued and outstanding Dore Copper shares as of the record date of Nov. 13, 2024.

Assuming that all remaining approvals are obtained and all other remaining conditions precedent to the completion of the arrangement are satisfied or waived, Dore Copper anticipates that the arrangement will be completed on or about Dec. 31, 2024. Completion of the arrangement remains subject to, among other things, satisfaction of all conditions precedent to the completion of the arrangement, including the final approval of the Ontario Superior Court of Justice and the approval for listing of the Cygnus shares on the TSX Venture Exchange. The hearing for the final order of the Ontario Superior Court of Justice to approve the arrangement is scheduled to take place on Dec. 19, 2024.

Further details regarding the arrangement are set out in the management information circular of Dore Copper dated Nov. 13, 2024, which is available on SEDAR+ under Dore Copper's issuer profile.

About Dore Copper Mining Corp.

Dore Copper Mining aims to be the next copper producer in Quebec with an initial production target of plus 50 million pounds of copper equivalent annually by implementing a hub-and-spoke operation model with multiple high-grade copper-gold assets feeding its centralized Copper Rand mill. Dore Copper has delivered its preliminary economic assessment in May, 2022, and is proceeding with a feasibility study. Dore Copper has consolidated a large land package in the prolific Lac Dore/Chibougamau and Joe Mann mining camps that has historically produced 1.6 billion pounds of copper and 4.4 million ounces of gold. The land package includes 13 former producing mines, deposits and resource target areas within a 60-kilometre radius of Dore Copper's Copper Rand mill.

We seek Safe Harbor.