Copper Mountain Mining Provides Senior Management Update

VANCOUVER, June 11, 2021 - Copper Mountain Mining Corp. (TSX: CMMC) (ASX: C6C) (the "Company" or "Copper Mountain") is pleased to announce the appointment of Mr. Don Strickland as Executive Vice President, Sustainability, transitioning from Chief Operating Officer, effective July 1, 2021. At that time, Mr. Eric Dell, Copper Mountain Mine's General Manager, will become Senior Vice President, Operations.

"The appointment of Don to EVP of Sustainability highlights the priority we place on our corporate and social responsibility objectives, which are prominent and central to our business in both Australia and Canada." commented Gil Clausen, Copper Mountain's President and CEO. "This new role will allow Don to focus 100% of his efforts on ensuring that we are achieving the sustainability goals that touch every aspect of our business including health and safety, permitting, public and community relations, human resources and environmental excellence. Don has been leading our ESG initiatives and achievements to date and this move was a natural transition at a time when we are making large strides in these areas."

"Further, I would like to congratulate Eric Dell on his new role as Senior Vice President of Operations. Eric has been successfully managing the Copper Mountain Mine over the last several years. He will bring renewed focus to the operating team at the Copper Mountain Mine and the Eva Project as we sustainably grow the business in line with our vision to triple our 2020 production within the next five years."

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 Corp.
"Gil Clausen"

Gil Clausen, P.Eng.
President and Chief Executive Officer

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 expected increase in the Company's average annual production and the Company's intentions regarding its objectives, goals or future plans. 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.

SOURCE Copper Mountain Mining Corp.