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TKO.TO ·

Taseko Announces Filing of Preliminary Base Shelf Prospectus

Financings

TASEKO ANNOUNCES FILING OF PRELIMINARY BASE

SHELF PROSPECTUS

December 4, 2017, Vancouver, BC – Taseko Mines Limited (TSX: TKO; NYSE American : TGB)

(“Taseko” or the "Company") is pleased to announce that it has filed a preliminary short form base

shelf prospectus with the securities commissions in all provinces of Canada, except Quebec, and a

corresponding shelf registration statement on Form F -10 with the U.S. Securities and Excha nge

Commission (the "SEC") under the U.S./Canada Multijurisdictional Disclosure System.

The base shelf prospectus and corresponding shelf registration statement, when made final and

effective, will allow Taseko to offer up to C$500,000,000 of common shares, warrants, subscription

receipts, debt securities and units, or any combination thereof, from time to time over a 25-month

period. The specific terms of any future offering of securities (if any), will be set forth in a shelf

prospectus supplement. The Company has filed this base shelf prospectus and corresponding shelf

registration statement to maintain financial flexibility but has no immediate intentions to undertake

an offering.

The shelf registration statement filed today with the SEC has not yet become effective. No securities

may be sold, nor may offers to buy be accepted, prior to the time the registration statement

becomes effective. This news release shall not constitute an offer to sell or a solicitation of an offer

to buy, nor shall there be any sale of these securities in any jurisdiction in which an offer, solicitation

or sale would be unlawful prior to registration or qualifications under the securities laws of any such

jurisdiction.

A copy of the preliminary short form base shelf prospect us can be found on SEDAR at

www.sedar.com and on EDGAR at www.sec.gov.

For further information on Taseko, please visit the Taseko website at www.tasekomines.com or

contact:

Brian Bergot, Vice President, Investor Relations - 778-373-4533 or toll free 1-877-441-4533

Russell Hallbauer

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” within the meaning of applicable Canadian securities legislation and

the United States Private Securities Litigation Reform Act of 1995 (collectively, “forward looking statements”) that were

based on Taseko’s expectations, estimates and projections as of the dates as of which those statements were made. Any

statements that express, or involve discussions as to, expectations, believes, plans, objectives, assumptions or future events

or performance that are not historical facts, are forward-looking statements. 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 and costs related to the Company’s exploration and development activities, such as those associated with

continuity of mineralization or determining whether mineral resources or reserves exist on a property;

• uncertainties related to the accuracy of our estimates of mineral reserves, mineral resources, production rates and timing of

production, future production and future cash and total costs of production and milling;

• uncertainties related to feasibility studies that provide estimates of expected or anticipated costs, expenditures and economic

returns from a mining project;

• uncertainties related to the ability to obtain necessary title, licenses and permits for development projects and project delays

due to third party opposition;

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

• 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, particularly laws, regulations and policies;

• changes in general economic conditions, the financial markets and in the demand and market price for copper, gold and other

minerals and commodities, such as diesel fuel, 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;

• the effects of forward selling instruments to protect against fluctuations in copper prices and exchange rate movements and

the risks of counterparty defaults, and mark to market risk;

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

• the risk of loss of key employees; 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;

• 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 mines, or environmental hazards, industrial accidents, equipment failure or other events or occurrences, including

third party interference that interrupt the production of minerals in our mines;

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

projects;

• our reliance upon key personnel; and

• uncertainties relating to increased competition and conditions in the mining capital markets.

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.sedar.com,

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