REG-Taseko Proposes Name Change at Upcoming Annual General Meeting

Taseko MinesAnnouncement

Mon 13:00

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VANCOUVER, British Columbia, May 25, 2026 (GLOBE NEWSWIRE) -- Taseko Mines
Limited (TSX: TKO; NYSE American: TGB; LSE: TKO) ("Taseko" or the "Company")
announces that it has filed its notice of meeting, management information
circular (the "Circular") and related documents (collectively, the "Meeting
Materials") with securities regulators in connection with its upcoming Annual
General Meeting (the “Meeting”) of holders of common shares of the Company
(“Shareholders”).

The Meeting Materials, which have been mailed to shareholders, can also be
accessed online on Taseko’s website (tasekomines.com/investors/agm
(https://www.globenewswire.com/Tracker?data=FGt_BiyjfrCUcz741_QraBX4p5OyAPYf78jjLLl1kmuwLgSd8LAaxBeRgByZwdqBGbUqaegig8lLzxUqgYow4qyHdO72uHC9Y70kb8evNNmvRFIgteqTCfp3S9nkKvpc))
and under the company’s profile on SEDAR+ (sedarplus.ca
(https://www.globenewswire.com/Tracker?data=B5rzq5JcA15RytVMGM6xbmk6_5b4sjr66_zjUIS7n1u0mrgqA8o2YFuQglBcUFXgbdkaXoi6St-d3CNjwPHe9g==)).

Proposed Name Change

At the upcoming Meeting, the Company is proposing a name change to reflect its
growing business and expanded asset base in North America. Management believes
that it is the right time for a new name that reflects the Company today and
where it is headed. Subject to shareholder approval at this year’s AGM,
Taseko Mines Limited will become Trekor Metals Limited.

Stuart McDonald, President and CEO of Taseko, commented, “Over the last two
decades, Taseko has been on a journey – steadily growing our business and
unlocking value in our high-quality portfolio of development assets. We’ve
seized opportunities that others have overlooked and built value for
shareholders and the communities where we operate. Our journey will continue
as Trekor, a name that embodies our values and reflects our ambition to
continue to grow North America’s copper sector.”

Meeting Details

The Meeting will be held in person at the Terminal City Club (837 W Hastings
Street, Vancouver, British Columbia, V6C 1B6) on June 24, 2026 at 2:00 p.m.
(Pacific Time). At the Meeting, Shareholders will be asked to vote on the
follow resolutions:
* The setting of the number of directors at nine;
* The election of directors;
* The appointment of PricewaterhouseCoopers LLP, Chartered Professional
Accountants, as auditors of the Company, and authorization of the Board to fix
their remuneration;
* The approval of a proposed name change of the Company to “Trekor Metals
Limited”; and
* Consideration of the advisory say-on-pay vote.
The Taseko Board unanimously recommends that shareholders vote FOR all
proposed resolutions.

Vote Today

The proxy voting deadline is 2:00 p.m. (Pacific Time) on June 22, 2026.
Shareholders are encouraged to vote well in advance of the proxy voting
deadline to ensure your vote is submitted in a timely manner. Voting is easy.
Shareholders may vote online, by telephone or any other methods provided in
the form or proxy or voting instruction which have been included as part of
the mailing.

Shareholders of record as of the close of business on May 5, 2026 are eligible
to vote at the Meeting.

Shareholder Questions & Voting Assistance

Shareholders with questions or who require voting assistance may contact
Taseko’s proxy solicitation agent:

Laurel Hill Advisory Group
North America Toll Free: 1-877-452-7184
Outside North America: 1-416-304-0211
Text Message: Text “INFO” to 416-304-0211 or 1-877-452-7184
Email: assistance@laurelhill.com

For further information on Taseko, see the Company’s website at
tasekomines.com or contact:
*  * Investor enquiries Brian Bergot, Vice President, Investor Relations –
778-373-4554
Stuart McDonald
President and CEO

No regulatory authority has approved or disapproved of the information
contained in this news release.

Caution Regarding Forward-Looking Information

This document contains “forward-looking statements” that were based on
Taseko’s expectations, estimates and projections as of the dates as of which
those statements were made. Generally, these forward-looking statements can be
identified by the use of forward-looking terminology such as “outlook”,
“anticipate”, “project”, “target”, “believe”, “estimate”,
“expect”, “intend”, “should” and similar expressions.

Forward-looking statements are subject to known and unknown risks,
uncertainties and other factors that may cause the Company’s actual results,
level of activity, performance or achievements to be materially different from
those expressed or implied by such forward-looking statements. These included
but are not limited to:
* uncertainties about the future market price of copper and the other metals
that we produce or may seek to produce;
* changes in general economic conditions, the financial markets and in the
market price for our input costs including due to inflationary impacts, such
as diesel fuel, acid, steel, concrete, electricity and other forms of energy,
mining equipment, and fluctuations in exchange rates, particularly with
respect to the value of the U.S. dollar and Canadian dollar, and the continued
availability of capital and financing;
* inherent risks associated with mining operations, including our current
mining operations at Gibraltar and Florence Copper, and their potential impact
on our ability to achieve our production estimates;
* our high level of indebtedness and its potential impact on our financial
condition and the requirement to generate cash flow to service our
indebtedness and refinance such indebtedness from time to time;
* any increases in interest rates may increase our borrowing costs and impact
the profitability of our operations;
* the amounts we are required to pay for our acquisition of Cariboo will
increase with higher copper prices;
* the risk of inadequate insurance or inability to obtain insurance to cover
our business risks;
* uncertainties related to the accuracy of our estimates of Mineral Reserves
(as defined below), Mineral Resources (as defined below), production rates and
timing of production, future production and future cash and total costs of
production and milling;
* the risk that we may not be able to expand or replace Mineral Reserves as
our existing Mineral Reserves are mined;
* the risk that the ramp-up of the Florence Copper commercial production
facility does not proceed within projected timelines or cost estimates, or
that initial operations do not achieve results consistent with the projections
in the Florence Copper Technical Report, including with respect to operating
costs, revenue, sustaining capital, rates of return and cash flows from
operations;
* our ability to comply with all conditions imposed under the APP and UIC
permits for the operation of Florence Copper;
* the availability of, and uncertainties relating to, any additional financing
necessary for the continued ramp-up and commercial operation of Florence
Copper, including with respect to our ability to obtain any additional
financing, if needed, to continue and expand commercial operations at Florence
Copper;
* shortages of water supply, critical spare parts, acid, diesel, maintenance
service and new equipment and machinery or our ability to manage surplus water
on our mine sites may materially and adversely affect our operations and
development projects;
* our ability to comply with the extensive governmental regulation to which
our business is subject;
* uncertainties related to our ability to obtain necessary title, licenses and
permits for our development projects and project delays due to third party
opposition;
* uncertainties related to Indigenous people’s claims and rights, and
legislation and government policies regarding the same;
* our reliance on the availability of infrastructure necessary for development
and on operations, including on rail transportation and port terminals for
shipping of our copper concentrate production from Gibraltar, and rail
transportation and power for the feasibility of our other British Columbia
development projects;
* uncertainties related to unexpected judicial or regulatory proceedings;
* changes in, and the effects of, the laws, regulations and government
policies affecting our exploration and development activities and mining
operations;
* potential changes to the mineral tenure system in British Columbia, which is
undergoing reform including for compliance with the British Columbia
Declaration on the Rights of Indigenous Peoples Act (“DRIPA”);
* our dependence solely on our 100% interest in Gibraltar and in due course,
Florence Copper for our revenues and our operating cash flows;
* our ability to extend existing concentrate off-take agreements and cathode
purchase agreements or enter into new agreements;
* environmental issues and liabilities associated with mining including
processing and stockpiling ore;
* labour strikes, work stoppages, or other interruptions to, or difficulties
in, the employment of labour in markets in which we operate mines, industrial
accidents, equipment failure or other events or occurrences, including third
party interference that interrupt the production of minerals in our mines;
* environmental hazards and risks associated with climate change, including
the potential for damage to infrastructure and stoppages of operations due to
extreme cold, extreme heat, forest fires, flooding, drought, earthquakes or
other natural events in the vicinity of our operations;
* litigation risks and the inherent uncertainty of litigation;
* our actual costs of reclamation and mine closure may exceed our current
estimates of these liabilities;
* our ability to renegotiate our existing union agreement for Gibraltar when
it expires in May 2027;
* the capital intensive nature of our business both to sustain current mining
operations and to develop any new projects;
* our ability to develop new mining projects in British Columbia may be
impacted by joint decision-making and consent agreements being implemented by
the Government of British Columbia with First Nations under DRIPA;
* The ability to develop the New Prosperity Project is subject to the
restrictions set out in our June 2025 Tripartite Agreement with the Province
of British Columbia and the Tŝilhqot’in Nation (the “Teẑtan Biny
Agreement”), under which the New Prosperity Project is subject to a land use
planning process with the Province of British Columbia and we are not
permitted to be the proponent of any development of the New Prosperity
Project;
* our reliance upon key personnel;
* the competitive environment in which we operate;
* the effects of forward selling instruments to protect against fluctuations
in copper prices and other input costs including diesel and acid;
* the risk of changes in accounting policies and methods we use to report our
financial condition, including uncertainties associated with critical
accounting assumptions and estimates;
* uncertainties relating to the war in Ukraine, the escalating military
conflict involving Iran and broader Middle East instability, and other future
geopolitical events including social unrest, which could disrupt financial
markets, commodity markets, supply chains, the price and availability of
energy, availability of materials and equipment and execution timelines for
any project development;
* uncertainties relating to the delivery of oil through the Strait of Hormuz
resulting from Middle East instability, which could have an adverse effect on
global economic activity and potentially
* increase operating costs generally and reduce global demand for copper, and
have a material adverse effect on our business, operations, and the
feasibility of our development projects;
* changes to U.S. trade policies and tariff measures, including retaliatory
tariffs imposed or threatened by Canada and other trading partners, may
adversely impact overall economic conditions, copper markets, supply chains,
metal prices and input costs; and
* other risks detailed from time-to-time in our annual information forms,
annual reports, MD&A, quarterly reports and material change reports filed with
and furnished to securities regulators, and those risks which are discussed
under the heading “Risk Factors”.
For further information on Taseko, investors should review the Company’s
annual report on Form 40-F filed with the United States Securities and
Exchange Commission and available at www.sec.gov and home jurisdiction filings
that are available at www.sedarplus.ca