Taseko Issues 2023 Sustainability Report

VANCOUVER, BC, June 26, 2024 - Taseko Mines Limited (TSX: TKO) (NYSE MKT: TGB) (LSE: TKO) ("Taseko" or the "Company") has published its annual Sustainability Report, titled H20 + ESG.

The report focuses on the Company's operational and sustainability achievements at the Gibraltar Mine in 2023, and also highlights social and economic contributions from the Florence Copper project in Arizona, which will soon become the Company's second operating asset.

Taseko's 2023 Sustainability Report also highlights several significant initiatives underway across the Company to conserve and reuse water, and to achieve water management objectives. This includes a pioneering in-situ biological water treatment initiative undertaken at the Gibraltar mine last year – part of a long-term water management program that has achieved a 77% reduction in free water stored in the mine's tailings storage facility over the past decade.

Stuart McDonald, President & CEO of Taseko, commented, "We're proud of Taseko's sustainability performance, and our continued focus on the issues and opportunities that generate the greatest value for our shareholders, employees and operating communities. Our priority investments in water quality and water conservation initiatives, outlined in this report, are further examples of our approach. These accomplishments would not be possible without the important contributions of our employees and business partners."

Taseko's 2023 Sustainability Report, H20 +ESG, is available at bit.ly/Taseko_SustainabilityReports

A newly released video titled "Biological Water Treatment at Gibraltar" is available at bit.ly/Gibraltar_BiologicalTreatment

Stuart McDonald

President and CEO

Caution Regarding Forward-Looking Information

our ability to comply with the extensive governmental regulation to which our business is subject;

uncertainties related to First Nations claims and consultation issues;

uncertainties related to unexpected judicial or regulatory proceedings;

our dependence solely on our 87.5% interest in Gibraltar (as defined below) for revenues and operating cashflows;

our reliance upon key management and operating personnel;

the competitive environment in which we operate;

For further information on Taseko, please visit the Taseko website at www.tasekomines.com or contact: Investor enquiries: Brian Bergot, Vice President, Investor Relations; Media enquiries: Sean Magee, Vice President, Corporate Affairs, 778-373-4533 or toll free 1-877-441-4533