Copper Mountain Mining Announces Commissioning of the Ball Mill 3 Expansion Project at the Copper Mountain Mine

“We are pleased to announce the start of commissioning of the new ball mill on schedule,” stated Gil Clausen, Copper Mountain’s President and CEO. “With electrical commissioning kicked off, we plan to introduce slurry to the mill next month with ramp up to full production expected this year.”

Mr. Clausen added, “This is the first step in our multi-phase growth plans to achieve our vision to triple our annual production rate from 2020 levels in the next five years.  Our development plan of our low cost and high ROIC projects includes continuing to expand the Copper Mountain Mine, advancing our Eva Copper Project in Australia and continued exploration on all of our properties.”

About Copper Mountain Mining Corporation

Copper Mountain’s flagship asset is the 75% owned Copper Mountain Mine located in southern British Columbia near the town of Princeton. The Copper Mountain Mine currently produces approximately 100 million pounds of copper equivalent per year, with average annual production expected to increase to approximately 140 million pounds of copper equivalent.  Copper Mountain also has the development-stage Eva Copper Project in Queensland, Australia and an extensive 2,100 km² highly prospective land package in the Mount Isa area. Copper Mountain trades on the Toronto Stock Exchange under the symbol “CMMC” and Australian Stock Exchange under the symbol “C6C”.

Additional information is available on the Company’s web page at www.CuMtn.com.

On behalf of the Board of

COPPER MOUNTAIN MINING CORPORATION

“Gil Clausen”    

Gil Clausen, P.Eng.

President and Chief Executive Officer

For further information, please contact:

Letitia Wong

Executive Vice President, Strategy & Corporate Development

Telephone: 604-682-2992

Email: Letitia.Wong@CuMtn.com

Website: www.CuMtn.com

In Europe:

Swiss Resource Capital AG

Jochen Staiger

info@resource-capital.ch

www.resource-capital.ch

Cautionary Note Regarding Forward-Looking Statements

This news release may contain forward-looking statements and forward-looking information (together, “forward-looking statements”) within the meaning of applicable securities laws.  All statements, other than statements of historical facts, are forward-looking statements.  Generally, forward-looking statements can be identified by the use of terminology such as “plans”, “expects”, “estimates”, “intends”, “anticipates”, “believes” or variations of such words, or statements that certain actions, events or results “may”, “could”, “would”, “might”, “occur” or “be achieved”.  Forward-looking statements in this news release include statements concerning, among other things: the increase in plant milling capacity at the Copper Mountain Mine; the timing for the introduction of slurry to the mill and ramp up to full production; the timing of studies, announcements, and analysis; the potential to achieve the Company’s vision to triple its annual production rate in the next five years and to add the expected increase in the Company’s average annual production; the Company’s intentions regarding its objectives, goals or future plans; and all other timing, exploration, development, operational, financial, budgetary, economic, legal, social, environmental, regulatory, and political matters that may influence or be influenced by future events or conditions.  Forward-looking statements involve risks, uncertainties and other factors that could cause actual results, performance and opportunities to differ materially from those implied by such forward-looking statements.  Factors that could cause actual results to differ materially from these forward-looking statements include the successful exploration of the Company’s properties in Canada and Australia, the reliability of the historical data referenced in this press release and risks set out in Copper Mountain’s public documents, including in each management discussion and analysis, filed on SEDAR at www.sedar.com.  Although Copper Mountain believes that the information and assumptions used in preparing the forward-looking statements are reasonable, undue reliance should not be placed on these statements, which only apply as of the date of this news release, and no assurance can be given that such events will occur in the disclosed time frames or at all.  Except where required by applicable law, Copper Mountain disclaims any intention or obligation to update or revise any forward-looking statement, whether as a result of new information, future events or otherwise.