Company: TGB
Filing Date: 2025-07-02
Form Type: F-10
Source: 0001062993-25-012433
Chunk: 18

Company: TASEKO MINES LTD
Filing Date: 2025-07-02
Form: F-10
Chunk 18
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 to financial statements of United States companies prepared in accordance with U.S. GAAP.

<div align='center'>NON-GAAP PERFORMANCE MEASURES</div>

This Prospectus and the documents incorporated herein by reference may include the following non-GAAP performance measures: (i) total operating costs and site operating costs, net of by-product credits; (ii) total site costs; (iii) adjusted net income (loss) and adjusted EPS; (iv) adjusted EBITDA; (v) earnings from mining operations before depletion, amortization and non-recurring items; and (vi) site operating costs per ton milled. These measures may differ from those used by, and may not be comparable to such measures as reported by, other issuers. The Company believes that these measures are commonly used by certain investors, in conjunction with conventional IFRS measures, to enhance their understanding of the Company's performance. These measures have been derived from the Company's financial statements and applied on a consistent basis. See "Non-GAAP Performance Measures" in our 2024 Annual MD&A and Interim MD&A for reconciliations of these measures to the most directly comparable IFRS measure.

<div align='center'>11

CURRENCY PRESENTATION AND EXCHANGE RATE INFORMATION</div>

Unless stated otherwise or as the context otherwise requires, all references to dollar amounts in this Prospectus and any Prospectus Supplement are references to Canadian dollars. References to "$" or "C$" are to Canadian dollars and references to "U.S. dollars" or "US$" are to United States dollars.

Except as otherwise noted in our 2024 AIF and the Company's financial statements and related management's discussion and analysis of financial condition and results of operations of the Company that are incorporated by reference into this Prospectus, the financial information contained in such documents is expressed in Canadian dollars.

The high, low, average and closing indicative rates for the United States dollar in terms of Canadian dollars for each of the financial periods indicated below, as quoted by the Bank of Canada, were as follows:

|         |   | Three Months Ended 
           March 31 
               2025 |     |   |   2024 |     |   |  Year Ended 
 December 31 
        2024 |     |   |   2023 |     |   |   2022 |
|:--------|:--|-------------------:|:----|:--|-------:|:----|:--|------------:|: