This advertisement has not loaded yet, but your article continues below. Breadcrumb Trail Links Article content TORONTO, Oct. 01, 2025 (GLOBE NEWSWIRE) — Critical One Energy Inc. (formerly Madison Metals Inc.) (“Critical One” or the “Company”) (CSE: CRTL) (OTCQB: MMTLF) (FSE: 4EF0), a leading Canadian mining exploration company focused on critical metals and minerals, is pleased to announce that advanced geophysical and geological modelling has confirmed significant expansion potential of the antimony-gold deposit at its Howells Lake Antimony-Gold Project (“Howells Lake Project”). The results underscore the potential for increased resource estimates, which Critical One will work to confirm with further drilling. The Howells Lake Project is located approximately 200 kilometres (km) from the Ring of Fire corridor in the Thunder Bay Mining Division of Ontario, Canada. THIS CONTENT IS RESERVED FOR SUBSCRIBERS ONLY Subscribe now to read the latest news in your city and across Canada. Exclusive articles from Barbara Shecter, Joe O'Connor, Gabriel Friedman, and others. Daily content from Financial Times, the world's leading global business publication. Unlimited online access to read articles from Financial Post, National Post and 15 news sites across Canada with one account. National Post ePaper, an electronic replica of the print edition to view on any device, share and comment on. Daily puzzles, including the New York Times Crossword. SUBSCRIBE TO UNLOCK MORE ARTICLES Subscribe now to read the latest news in your city and across Canada. Exclusive articles from Barbara Shecter, Joe O'Connor, Gabriel Friedman and others. Daily content from Financial Times, the world's leading global business publication. Unlimited online access to read articles from Financial Post, National Post and 15 news sites across Canada with one account. National Post ePaper, an electronic replica of the print edition to view on any device, share and comment on. Daily puzzles, including the New York Times Crossword. REGISTER / SIGN IN TO UNLOCK MORE ARTICLES Create an account or sign in to continue with your reading experience. Access articles from across Canada with one account. Share your thoughts and join the conversation in the comments. Enjoy additional articles per month. Get email updates from your favourite authors. THIS ARTICLE IS FREE TO READ REGISTER TO UNLOCK. Create an account or sign in to continue with your reading experience. Access articles from across Canada with one account Share your thoughts and join the conversation in the comments Enjoy additional articles per month Get email updates from your favourite authors Sign In or Create an Account Email Address