File: Attachment CopperEx - NR - Appointment of Interim CEO and resignations Mar 23 2026.pdf

COPPEREX RESOURCES CORP. C/O Discovery Group

Suite 1020, 800 West Pender Street Vancouver, BC, V6C 2V6 Tel: +1 (604) 646-4527

COPPEREX APPOINTS TOMMASI AS DIRECTOR AND INTERIM CEO

March 23, 2026 TSXV: CUEX

Vancouver, British Columbia COPPEREX RESOURCES CORP. (CUEX) (the "Company") the Company is pleased to announce the appointment of Mr. Mark Tommasi as a Director and Interim Chief Executive Officer of the Company. Mr. David Prins has resigned as a Director, President and Chief Executive Officer of the Company. The Company also announced the resignation of Mr. Tom Yip and Cesar Lopez from its Board of Directors. The Board expresses its gratitude to Mr. Prins, Mr. Yip and Mr. Lopez for their service and acknowledges the contributions they made during their time with the organization.

Mr. Tommasi is a seasoned capital markets and corporate development professional with more than 30 years of experience in the public markets, including extensive involvement in the junior exploration sector. Throughout his career he has played a key role in guiding companies through critical growth stages, leveraging his strategic insight, industry relationships and market expertise to build shareholder value. He has helped numerous emerging companies strengthen their market presence, secure funding and position their projects for advancement. His leadership experience includes senior executive and board roles across a variety of resource companies, where he has provided strategic oversight, financial structuring and market positioning.

CopperEx is focused on advancing its La Rica copper and gold exploration project in Peru located in an established mineral belt near producing mines.

Mr. Tommasi commented: "I am very pleased to be joining CopperEx at an exciting time in the Company's evolution. With our high-quality copper and gold exploration project in one of the world's premier mining jurisdictions, CopperEx has the potential to create significant value. I look forward to working with the board, technical team and stakeholders to advance the Company's exploration strategy, strengthen its market profile by actively seeking new opportunities to complement our current asset base and expanding the potential of our project portfolio."

The board of directors welcomes Mr. Tommasi to the role and looks forward to his leadership as CopperEx continues to advance its exploration initiatives and pursue growth opportunities.

On behalf of the Board of Directors

CopperEx Resources Corp. Chase Taylor-Robins Director

For further information contact:

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info@discoverygroup.ca +1 (604) 646-4527 About CopperEx Resources Corp. CopperEx is engaged in copper and gold exploration primarily in Peru. Through its wholly owned Peruvian subsidiary, it controls t the La Rica property located in central southern Peru. Strategic Alliances. CopperEx is a member of Discovery Group based in Vancouver, Canada. For more information please visit: discoverygroup.ca. Cautionary Note. Neither the TSX Venture Exchange nor its Regulation Services Provider (as that term is defined in the policies of the TSX Venture Exchange) accepts responsibility for the adequacy or accuracy of this release. Forward-Looking Information. Forward-Looking Statement (Safe Harbor Statement): This press release contains forward looking statements within the meaning of applicable securities laws. The use of any of the words "anticipate", "plan", "continue", "expect", "estimate", "objective", "may", "will", "project", "should", "predict", "potential" and similar expressions are intended to identify forward looking statements. In particular, this press release contains forward looking statements concerning the Company's board and management. Although the Company believes that the expectations and assumptions on which the forward-looking statements are based are reasonable, undue reliance should not be placed on the forward- looking statements because the Company cannot give any assurance that they will prove correct. Since forward looking statements address future events and conditions, they involve inherent assumptions, risks, and uncertainties. Actual results could differ materially from those currently anticipated due to a number of assumptions, factors, and risks. These assumptions and risks include, but are not limited to, assumptions and risks associated with conditions in the equity financing markets, and assumptions and risks regarding receipt of regulatory and shareholder approvals.

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