Name of the Project
Florence Copper in situ copper recovery (ISCR) facility.

Location
Arizona, in the US.

Project Owner/s
Florence Copper Incorporated, a wholly owned subsidiary of midtier copper producer Taseko Mines.

Project Description
The Florence deposit contains 2.5-billion pounds of copper in 345-million tons of probable reserves.

The project proposes to build and operate the Florence Copper ISCR facility, and produce 85-million pounds a year of copper over the 22-year life-of-mine (LoM). 

ISCR is an extraction method used for selected mineral deposit conditions as an alternative to openpit or underground mining methods.

ISCR extracts copper by injecting a weak sulphuric acid solution, referred to as raffinate, through targeted portions of the mineral deposit using an array of injection wells. The raffinate passes through natural fractures and voids in the deposit and dissolves the copper mineralisation.

The copper laden solution, known as pregnant leach solution (PLS), is collected in recovery wells where it is pumped to the surface for processing. Copper is extracted from the PLS using solvent-extraction and electrowinning (SX/EW) techniques producing a saleable copper cathode product.

Potential Job Creation
As of July 2025, about 330 workers were on site, down from peak levels in the first quarter.

Net Present Value/Internal Rate of Return
The project has an after-tax net present value, at a 8% discount rate, of $930-million and an internal rate of return of 47%, with a payback of 2.6 years.

Capital Expenditure
The project was completed largely on budget at $275-million.

Planned Start /End Date
Construction of the commercial production facility started in January 2024. Production of copper cathode started in mid-February 2026, with the startup of the electrowinning circuit. The Florence SX/EW plant is now fully operational and copper plating is under way.

Latest Developments
The Florence Copper operation has harvested the first copper cathodes from its recently completed commercial production facility.

In late February, Taseko announced the startup of the electrowinning plant and the start of copper production.

The first copper cathodes were harvested in the last week of February, representing the first new copper production from a greenfield facility in the US since 2008.

Once Florence Copper achieves its nameplate capacity of 85-million pounds a year of LME Grade A copper metal, Taseko has said it will become the third-largest copper cathode producer in the US.

The operation is expected to produce at least 1.5-billion pounds of copper over the next 22 years.

Florence Copper is the first greenfield site globally to use ISCR, a unique and low-cost method of producing copper metal that delivers compelling environmental advantages over conventional mining.

Key Contracts, Suppliers and Consultants
None stated.

Contact Details for Project Information
Taseko Mines, tel +1 778 373 4533 or email investor@tasekomines.com.