Callinex Mines Inc. Welcomes Industry Veteran Peter Dimmell to Board of Directors

Vancouver, British Columbia, July 30, 2025 — Callinex Mines Inc., a mineral exploration company based in Vancouver, Canada, has announced the appointment of Peter Dimmell, a respected VMS geologist and industry leader, to its Board of Directors. This strategic move aims to bolster the company’s technical expertise as it advances its copper and zinc mining operations near Flin Flon, Manitoba.

Peter Dimmell, a Professional Geologist (P.Geo) with over 50 years of experience, brings a wealth of knowledge and a distinguished track record in the mining sector. His extensive background includes significant contributions to the discovery of the gold, copper, zinc, and silver Pt. Leamington VMS deposit, which Callinex is currently advancing. Additionally, Dimmell has been involved in the exploration and development of the Rambler and Duck Pond mines on the Island of Newfoundland.

As a mining industry leader, Dimmell holds prestigious positions, including a seat on the board of the Canadian Mining Hall of Fame, and has served as President of the Prospectors & Developers Association of Canada (PDAC) and Chairman of Mining Industry NL. His appointment as the lead director on Callinex’s technical committee underscores his pivotal role in guiding the company’s exploration strategies.

Callinex Mines Inc., listed on the TSX Venture Exchange, operates with a market capitalization of 13,630,000 CAD. Despite a challenging financial year, reflected in a price-to-earnings ratio of -12.9 and a close price of 0.71 CAD on July 28, 2025, the company remains focused on leveraging its assets and expertise to enhance its operational prospects.

The addition of Peter Dimmell to the board is expected to significantly aid Callinex in advancing the Pt. Leamington deposit and its surrounding land package through further exploration efforts. This strategic appointment aligns with the company’s commitment to growth and development in the metals and mining sector.

For more information, visit Callinex Mines Inc. at www.callinex.ca .