Ms. Melissa Mackie reports

GUNNISON COPPER ANNOUNCES CLOSING OF OVERSUBSCRIBED C$34.5 MILLION BOUGHT DEAL PUBLIC OFFERING

Gunnison Copper Corp. has closed its previously announced bought deal public offering, pursuant to which the company sold 82,144,500 common shares, including the full exercise of the overallotment option granted by the company of 10,714,500 common shares, at a price of 42 cents per common share for gross proceeds of approximately $34.5-million.

The offering was conducted by a syndicate of underwriters led by Canaccord Genuity Corp., as sole bookrunner, on behalf of a syndicate of underwriters that included Paradigm Capital Inc., as co-lead underwriter with Canaccord Genuity, and Ventum Financial Corp. and CIBC Capital Markets.

The net proceeds of the offering will be used to advance the company's Gunnison copper project in Arizona, as well as for working capital and general corporate purposes.

The offering was offered in: (i) each of the provinces of Canada, except Quebec, pursuant to a prospectus supplement dated May 29, 2026, to the company's short form base shelf prospectus dated May 19, 2026; (ii) the United States on a private placement basis to qualified institutional buyers pursuant to applicable exemptions from the registration requirements of the United States Securities Act of 1933, as amended; and (iii) such other jurisdictions outside of Canada and the United States on a private placement basis in accordance with applicable laws. The offering remains subject to the final approval of the Toronto Stock Exchange.

A copy of the prospectus is available on the company's profile on SEDAR+.

About Gunnison Copper Corp.

Gunnison Copper is a multiasset pure-play copper developer and producer that controls the Cochise mining district, containing 12 known deposits within an eight-killmetre economic radius, in the southern Arizona copper belt.

We seek Safe Harbor.