COPPERMOLY LIMITED — Board/Management Information 2026

Jan 20, 2026

ADDRESS PHONE Suite 1, 295 Rokeby Road +61 (8) 6555 2950 Subiaco WA 6008 Australia

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EMAIL

ABN 54 126 490 855 info@coppermoly.com.au WEBSITE

21 January 2026

ASX Code: COY

Notification of Change of External Financial Auditor

Coppermoly Limited (ASX: COY) (“ Coppermoly ” or “the Company ”) advises that it has appointed Chartered Accounting firm, Hall Chadwick WA Audit Pty Ltd (“ Hall Chadwick ”), as its external financial auditor, effective today.

The appointment of Hall Chadwick follows a review of the Company’s external auditor arrangements, and its cost reduction strategy. The board has selected Hall Chadwick based on their expertise, capacity to undertake the 31 December 2025 audit review, and fee structure.

The appointment of Hall Chadwick follows the Australian Securities and Investments Commission’s consent to the resignation of BDO Audit Pty Ltd (“ BDO ”), in accordance with section 329(5) of the Corporations Act 2001. In accordance with section 327C(2) of the Corporations Act 2001, a Resolution will be put to shareholders at the Company’s next Annual General Meeting seeking the ratification of Hall Chadwick’s appointment.

-ENDS-

This ASX announcement has been authorised for release by the Board of Directors. For further information please visit the Company’s website at www.coppermoly.com.au or contact:

Quinn Lee Chairperson +61 (8) 6555 2950 quinn@coppermoly.com.au

ABOUT COPPERMOLY LTD

Coppermoly Ltd is a mineral exploration and resource development company rapidly advancing an exciting portfolio of copper/gold/molybdenum exploration projects in the resource rich Mount Isa Region of QLD. The newly refreshed management and geological team are focused on the accelerated exploration program and resource definition of their high value QLD targets. The Mt Isa Inlier is highly prospective for iron oxide copper gold (IOCG) and shear hosted Cu +/- Au deposits.