Mr. Stuart McDonald reports

TASEKO MINES LIMITED ANNOUNCES US$150 MILLION BOUGHT DEAL FINANCING

Taseko Mines Ltd. has entered into an agreement with BMO Capital Markets and Canaccord Genuity Corp., as co-lead managers, and National Bank Financial Inc., each as a joint bookrunner, on behalf of a syndicate of underwriters, pursuant to which the underwriters have agreed to purchase, on a bought deal basis, 37.1 million common shares at a price of $4.05 (U.S.) per common share for gross proceeds of $150,255,000 (U.S.) the company has granted the underwriters an option, exercisable at the offering price for a period of 30 days following the closing of the offering, to purchase up to an additional 15 per cent of the offering to cover overallotments, if any.

The company intends to use the net proceeds of the offering to repay outstanding indebtedness under the company's revolving credit facility and for general corporate and working capital purposes.

The offering is expected to close on or about Oct. 22, 2025, subject to certain customary closing conditions, including the receipt of all necessary approvals of the Toronto Stock Exchange and the NYSE American exchange.

In connection with the offering, the company will file a prospectus supplement to its short-form base shelf prospectus dated June 30, 2025. The prospectus supplement will be filed with the securities regulatory authorities in each of the provinces and territories of Canada, except Quebec and Nunavut, as well as with the U.S. Securities and Exchange Commission (SEC) as part of an effective registration statement on Form F-10 under the U.S./Canada multijurisdictional disclosure system.

The base shelf prospectus and registration statement are and the prospectus supplements will be accessible on Taseko's issuer profile on SEDAR+ and on EDGAR. Copies of the base shelf prospectus, registration statement and prospectus supplements relating to the offering, when available, may be obtained upon request in Canada by contacting BMO Nesbitt Burns Inc. (BMO Capital Markets), Brampton Distribution Centre, care of The Data Group of Companies, 9195 Torbram Rd., Brampton, Ont., L6S 6H2 or by telephone at 905-791-3151 (extension 4312) or by e-mail at torbramwarehouse@datagroup.ca, and in the United States by contacting BMO Capital Markets, attention: equity syndicate department, 151 W 42nd St., 32nd floor, New York, N.Y., 10036, or by telephone at 800-414-3627 or by e-mail at bmoprospectus@bmo.com. Before investing, prospective investors should read the base shelf prospectus, the prospectus supplements, when available, the registration statement and the documents incorporated by reference therein.

We seek Safe Harbor.