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Taseko Mines Provides Construction Update for Florence Copper

Mine Development & Operations

Taseko Mines Provides Construction Update for Florence Copper

VANCOUVER, British Columbia, Oct. 21, 2024 -- Taseko Mines Limited (TSX: TKO; NYSE MKT: TGB; LSE: TKO) ("Taseko"

or the "Company") is pleased to provide a progress update for construction activities at its Florence Copper project.

To date, approximately 300,000 project hours have been worked and there have been no reportable injuries or environmental

incidents. There are currently 280 construction personnel at site. All activities are advancing on schedule and as of September

30, 2024, the project is approaching 40% complete. First copper production is still anticipated in the fourth quarter 2025.

Since construction commenced earlier this year, the bulk of activities have been focused on earthworks, concrete, and

wellfield drilling. Installation of structural steel, tanks, and process equipment is now underway.

Summary of key activities and status as of September 30, 2024:

• Earthworks and site preparation for the plant area and commercial wellfield – ~75% complete

• Concrete foundations for SX/EW plant and associated infrastructure – ~50% complete

• Pre-assembly and installation of structural steel for the solvent extraction plant commenced in August

• Installation of process equipment commenced in September

• Powerline installation – ~65% complete

• Wellfield drilling – a total of 34 production wells completed to date, out of a total of 90 to be drilled during the

construction phase

• Point of compliance well drilling – 9 wells completed to date, out of a total of 18

• Construction of process and surface water runoff ponds

• Hiring permanent operating staff – 75 of 170 total positions and all but one key management position has been filled

Stuart McDonald, President & CEO of Taseko, commented, “We are pleased with progress through the first nine months of

construction. With approximately 75% of total construction costs now committed, we expect total costs to be within 10-15%

of the original US$232 million* estimate. The project remains on track for first copper production in late 2025, which will be a

transformative event for our Company.”

“In addition, we have applied to the U.S. Department of Energy’s Qualifying Advanced Energy Project Credit (48C) Program.

Florence Copper, which is set to become North America’s lowest GHG-intensity primary copper producer, qualifies as a

critical materials project. After submitting a concept paper in June, we received encouragement to proceed with the full

application. We have now filed the application seeking a tax credit of up to US $110 million, and we expect to hear whether

Florence qualifies for the credit, or not, in January 2025,” concluded Mr. McDonald.

The Company recently hosted a Florence Copper site tour and the associated presentation can be found on our website at

https://tasekomines.com/investors/documents-and-reports/corporate-presentations/. Additionally, updated construction photos

can be found on our website at https://tasekomines.com/properties/florence-copper/#construction-updates .

*Based on the Florence Copper 43-101 Technical Report dated March 15, 2023, with costing basis Q3 2022.

For further information on Taseko, see the Company’s website at www.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, inflation and interest rates and in the demand and

market price for our input costs, such as diesel fuel, reagents, 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;

• uncertainties resulting from the war in Ukraine, and the accompanying international response including economic

sanctions levied against Russia, which has disrupted the global economy, created increased volatility in commodity

markets (including oil and gas prices), and disrupted international trade and financial markets, all of which have an

ongoing and uncertain effect on global economics, supply chains, availability of materials and equipment and execution

timelines for project development;

• uncertainties about the continuing impact of the novel coronavirus (“COVID-19”) and the response of local, provincial,

state, federal and international governments to the ongoing threat of COVID-19, on our operations (including our

suppliers, customers, supply chains, employees and contractors) and economic conditions generally including rising

inflation levels and in particular with respect to the demand for copper and other metals we produce;

• inherent risks associated with mining operations, including our current mining operations at Gibraltar, and their potential

impact on our ability to achieve our production estimates;

• uncertainties as to our ability to control our operating costs, including inflationary cost pressures at Gibraltar without

impacting our planned copper production;

• the risk of inadequate insurance or inability to obtain insurance to cover material mining or operational risks;

• uncertainties related to the feasibility study for Florence copper project (the “Florence Copper Project” or “Florence

Copper”) that provides estimates of expected or anticipated capital and operating costs, expenditures and economic

returns from this mining project, including the impact of inflation on the estimated costs related to the construction of

the Florence Copper Project and our other development projects;

• the risk that the results from our operations of the Florence Copper production test facility (“PTF”) and ongoing

engineering work including updated capital and operating costs will negatively impact our estimates for current

projected economics for commercial operations at Florence Copper;

• 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 reserves as our existing mineral reserves are mined;

• the availability of, and uncertainties relating to the development of, additional financing and infrastructure necessary for

the advancement of our development projects, including with respect to our ability to obtain any remaining construction

financing potentially needed to move forward with commercial operations at Florence Copper;

• 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;

• our ability to deploy strategic capital and award key contracts to assist with protecting the Florence Copper project

execution plan, mitigating inflation risk and the potential impact of supply chain disruptions on our construction

schedule and ensuring a smooth transition into construction;

• uncertainties related to First Nations claims and consultation issues;

• our reliance on rail transportation and port terminals for shipping our copper concentrate production from Gibraltar;

• 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 and mine closure and bonding requirements;

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

• our ability to collect payments from customers, extend existing concentrate off-take agreements or enter into new

agreements;

• environmental issues and liabilities associated with mining including processing and stock piling ore;

• labour strikes, work stoppages, or other interruptions to, or difficulties in, the employment of labour in markets in which

we operate our mine, industrial accidents, equipment failure or other events or occurrences, including third party

interference that interrupt the production of minerals in our mine;

• environmental hazards and risks associated with climate change, including the potential for damage to infrastructure

and stoppages of operations due to forest fires, flooding, drought, or other natural events in the vicinity of our operations;

• litigation risks and the inherent uncertainty of litigation, including litigation to which Florence Copper could be subject

to;

• our actual costs of reclamation and mine closure may exceed our current estimates of these liabilities;

• our ability to meet the financial reclamation security requirements for the Gibraltar mine and Florence Project;

• the capital intensive nature of our business both to sustain current mining operations and to develop any new projects,

including Florence Copper;

• our reliance upon key management and operating personnel;

• the competitive environment in which we operate;

• the effects of forward selling instruments to protect against fluctuations in copper prices, foreign exchange, interest

rates or input costs such as fuel;

• 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; and Management Discussion and Analysis (“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 Form 40-F filing with the United States

Securities and Exchange Commission www.sec.gov and home jurisdiction filings that are available at www.sedarplus.ca,

including the “Risk Factors” included in our Annual Information Form.

Florence Copper Wellfield Construction Progress

Thirty-four production wells were drilled and constructed

by the end of September 2024

A photo accompanying this announcement is available at

https://www.globenewswire.com/NewsRoom/AttachmentNg/0d8251a6-4f68-466e-9071-b6de8b08ac19