Critical One Energy Inc.·Energy
Critical One Energy Inc. (formerly Madison Metals Inc.) is a forward-focused critical minerals and upstream energy company, powering the future of clean energy and advanced technologies. The addition of the Howells Lake Antimony-Gold Project broadens the Company’s exposure to antimony, one of the most in-demand critical minerals. Backed by seasoned management expertise and prime resource assets, Critical One is strategically positioned to meet the rising global demand for critical minerals and metals. Its mine exploration portfolio is led by antimony-gold exploration potential in Canada and uranium investment interests in Namibia, Africa.

Toronto, Ontario--(Newsfile Corp. - April 16, 2026) - Critical One Energy Inc. (CSE: CRTL) (OTCQB: MMTLF) (FSE: 4EF) ("Critical One" or the "Company"), a leading Canadian mining exploration company focused on critical metals and minerals, is pleased to announce the appointment of General (Ret.) Charles A.

Toronto, Ontario--(Newsfile Corp. - April 8, 2026) - Critical One Energy Inc. (CSE: CRTL) (OTCQB: MMTLF) (FSE: 4EF) ("Critical One" or the "Company"), a leading Canadian mining exploration company focused on critical metals and minerals, is pleased to announce that the first diamond drill hole at its flagship Howells Lake Antimony-Gold Project ("Howells Lake Project") has confirmed broad near-surface antimony mineralization with multiple zones of visible stibnite across approximately 100 metres of core length. Phase 1 drill program has commenced at the historic Howells Lake East Antimony Zone, located in the Thunder Bay Mining Division of northwestern Ontario, approximately 120 kilometres west of the Ring of Fire access corridor.

Toronto, Ontario--(Newsfile Corp. - March 16, 2026) - Critical One Energy Inc. (CSE: CRTL) (OTCQB: MMTLF) (FSE: 4EF) ("Critical One" or the "Company"), a leading Canadian mining exploration company focused on critical metals and minerals, is pleased to announce that it will host a live investor webinar on Thursday, March 19, 2026, at 10:30 a.m. EDT. The webinar will focus on the recent commencement of Phase I drilling at its flagship Howells Lake Antimony-Gold Project ("Howells Lake Project") following the signing of an exploration agreement with Eabametoong First Nation ("EFN").

Toronto, Ontario--(Newsfile Corp. - March 12, 2026) - Critical One Energy Inc. (CSE: CRTL) (OTCQB: MMTLF) (FSE: 4EF) ("Critical One" or the "Company"), a leading Canadian mining exploration company focused on critical metals and minerals, is pleased to announce the signing of a significant exploration agreement with Eabametoong First Nation and the commencement of Phase I drilling at its flagship Howells Lake Antimony-Gold Project ("Howells Lake Project") in Ontario, Canada. The Howells Lake Project is located in the Thunder Bay Mining Division and seated on the traditional territory of Eabametoong First Nation, approximately 120 to 200 kilometres (km) west of the Ring of Fire corridor.

Toronto, Ontario--(Newsfile Corp. - February 27, 2026) - Critical One Energy Inc. (CSE: CRTL) (OTCQB: MMTLF) (FSE: 4EF) ("Critical One" or the "Company"), a leading Canadian mining exploration company focused on critical metals and minerals, announces that it has mutually agreed with Dark Star Minerals Inc. ("Dark Star") to terminate the previously announced purchase agreement dated August 7, 2025 (the "Agreement") relating to the proposed sale of the Company's Namibia assets (the "Namibia Assets"). The Namibia Assets include the Company's interests in the Khan and Cobra uranium projects, located in Namibia's highly prospective Erongo uranium province.

Toronto, Ontario--(Newsfile Corp. - February 23, 2026) - Critical One Energy Inc. (CSE: CRTL) (OTCQB: MMTLF) (FSE: 4EF) ("Critical One" or the "Company"), a leading Canadian mining exploration company focused on critical metals and minerals, is pleased to announce that the Ontario Ministry of Energy and Mines has issued an Exploration Permit, PR-24-000227, for its Howells Lake Antimony-Gold Project ("Howells Lake Project") located in the Thunder Bay Mining District of Ontario. Located approximately 120 kilometres (km) west of the Ring of Fire, Ontario's multi-billion-dollar infrastructure development, this project is strategically positioned to contribute to Canada's critical minerals strategy, reducing reliance on foreign supplies amid growing global demand and constrained supply.