Metalsource Announces Change of Directors

Metalsource Mining Inc.

Suite 700-838 West Hastings Street Vancouver, BC Canada V6C 0A6

NEWS RELEASE

METALSOURCE ANNOUNCES CHANGE OF DIRECTORS

VANCOUVER, BRITISH COLUMBIA, August 15, 2025 – METALSOURCE MINING INC. (the “Company” or "Metalsource") (CSE: “MSM”) announces the resignation of Michael Romanik as a Director of the Company.

The Company thanks Mr. Romanik for his services on the Board and wishes him all the best in future endeavours.

About Metalsource Mining

The Company is engaged in acquisition, exploration and development of mineral property assets in Canada. The Company’s objective is to locate and develop economic precious and base metal properties of merit and to conduct its exploration program on the Old Timer Property. The Old Timer Property is located 17 km southeast of Nelson, in the Nelson Mining Division of southern British Columbia.

For more information, please refer to SEDAR+ (www.sedarplus.ca), under the Company’s profile.

ON BEHALF OF THE BOARD OF DIRECTORS

“Joseph Cullen”

Joseph Cullen, Chief Executive Officer and Director

For further information, please contact:

Mr. Joseph Cullen Phone: 778-919-8615 Email: [email protected] Website: https://www.metalsourcemining.com

THE CANADIAN SECURITIES EXCHANGE HAS NOT APPROVED NOR DISAPPROVED OF THE CONTENT OF THIS PRESS RELEASE