Welcome to our dedicated page for Critical One Energy news (Ticker: MMTLF), a resource for investors and traders seeking the latest updates and insights on Critical One Energy stock.
Critical One Energy Inc. (OTCQB: MMTLF), formerly Madison Metals Inc., regularly issues detailed exploration and corporate updates that are reflected in its news flow. As a Canadian exploration company focused on critical metals and minerals, its announcements center on antimony-gold exploration at the Howells Lake Antimony-Gold Project in Ontario and uranium-related transactions and investments in Namibia.
Readers following MMTLF news can expect frequent technical updates on the Howells Lake Antimony-Gold Project. Company releases describe advanced geophysical and geological modelling, including VTEM airborne magnetic and electromagnetic surveys, that identify EM anomalies, structural corridors, and potential extensions of antimony-gold mineralization at depth and along strike. News items also cover property expansions, staking of additional claims based on government soil geochemical data, and consolidation of land positions over key antimony-gold targets.
In addition to technical exploration results, Critical One Energy’s news highlights corporate developments such as acquisitions and divestments. Examples include the acquisition of the KCR Gold Project and Slam Gold Zone contiguous to Howells Lake, and agreements with Dark Star Minerals Inc. regarding the Khan and Cobra Uranium Projects in Namibia’s Erongo uranium province. These stories explain how the company refines its focus on antimony-gold while retaining uranium investment interests through equity stakes and potential royalties.
Investors and observers using this news page can track how Critical One Energy advances its critical minerals strategy, including updates on exploration programs, land package growth, historical data evaluation, and board or management appointments linked to its technical and financial capabilities. For those researching MMTLF, this page provides an organized view of the company’s public disclosures about its projects and transactions over time.
Critical One Energy (OTCQB: MMTLF) will host a live investor webinar on March 19, 2026 at 10:30 a.m. EDT to discuss Phase I drilling at the Howells Lake Antimony-Gold Project following an exploration agreement with Eabametoong First Nation.
Key program enablers include >3,000 km of VTEM geophysics, Ontario Junior Exploration Program funding approval, Exploration Permit PR-24-000227, and the immediate grant of 600,000 stock options exercisable at CDN$0.80 for five years. A Qualified Person notes technical data are historical and cannot be independently verified.
Critical One Energy (OTCQB: MMTLF) signed an exploration agreement with Eabametoong First Nation and has commenced Phase I diamond drilling at the Howells Lake Antimony-Gold Project on March 12, 2026. The project covers ~25,000 hectares across a 30 km strike and cites a historical resource of 1.7 million tonnes at 1.4% Sb, while historical assays and resource estimates are not NI 43-101 compliant and require verification by current drilling.
The agreement includes community engagement, issuance of CDN$250,000 in shares within 30 days, cash considerations, and expense coverage tied to the project's life.
Critical One Energy (OTCQB: MMTLF) announced a mutual termination of the August 7, 2025 purchase agreement with Dark Star Minerals, regaining full control of its Khan and Cobra uranium projects in Namibia. As part of the unwind, Critical One returned 14,200,000 Dark Star common shares and no termination fees were payable.
The company confirmed the CEO ended his advisory role with Dark Star effective immediately and reiterated focus on the Howells Lake Antimony-Gold Project, where an exploration permit was recently approved ahead of a maiden drill program.
Critical One Energy (OTCQB: MMTLF) received Ontario Exploration Permit PR-24-000227 for the Howells Lake Antimony-Gold Project on February 23, 2026. The permit enables an initial drilling program across ~25,000 hectares and a 30 km strike, aiming to test historical mineralization including a reported 1.7 million tons at 1.4% antimony.
The company says drilling will follow consultation with Eabametoong First Nation and use environmental best practices; historical data remain unverified under NI 43-101 and require confirmation.
Critical One Energy (OTCQB: MMTLF) received Ontario Government approval for initial funding under the Ontario Junior Exploration Program (OJEP) for the Howells Lake Antimony-Gold Project.
The grant will support accelerated drilling starting spring 2026, community engagement, and ecological stewardship across a ~25,000-hectare land package with historical resource indications.
Critical One Energy (OTCQB: MMTLF / CSE: CRTL) reported that advanced VTEM airborne magnetic and EM modelling at its Howells Lake Antimony-Gold Project identified significant extension potential for antimony and gold mineralization.
Key findings: modelled EM anomalies extend laterally at least 2 km west, occur >300 m deep, and lie below historic drill holes; favourable steeply dipping stratigraphy and structural corridors were mapped; historical intercepts include up to 4.7% antimony and 25.5 g/t gold, and a historical non-NI resource of 1.7 million tons @ 1.4% Sb.
Critical One Energy (CSE: CRTL; OTCQB: MMTLF) announced on November 13, 2025 the appointment of Matthew Trenkler, PhD, P.Geo as Chief Geological Officer, effective immediately.
Trenkler will lead technical strategy and exploration at the Howells Lake Antimony-Gold Project, described as Canada’s largest known undeveloped antimony deposit, located ~200 km from the Ring of Fire in Thunder Bay Mining Division, Ontario. He brings over 15 years of exploration experience, including work at Wesdome’s Eagle River Mine and IAMGOLD’s Côté Gold project. Trenkler holds a PhD in Earth Science and is registered with Professional Geoscientists Ontario.
Critical One Energy (OTCQB: MMTLF) has announced significant findings from advanced geophysical and geological modeling at its Howells Lake Antimony-Gold Project in Ontario, Canada. The analysis revealed substantial expansion potential of the antimony-gold deposit, with mineralization extending to depths of up to 400 meters.
Key findings include historical drilling intersections of up to 75% antimony within a core interval of 5.37% antimony over 8.35 meters. The project hosts a historical resource of 1.7 million tons at 1.4% antimony with associated gold mineralization, though this estimate is not NI 43-101 compliant. The property spans 25,000 hectares with a 30 km strike length of favorable geology.
Critical One Energy (OTCQB: MMTLF) has appointed Robert Suttie as its new Chief Financial Officer, effective September 15, 2025. Suttie brings over 25 years of experience, including 10 years in public accounting and 19 years with Marrelli Support Services Inc., where he currently serves as President.
The new CFO specializes in management advisory services and financial disclosure for publicly traded companies, and currently serves as CFO for several junior mining companies listed on major Canadian exchanges. He will oversee financial operations as Critical One advances its Howells Lake Antimony-Gold Project in Ontario and develops uranium assets in Namibia. Suttie replaces outgoing CFO Eric Myung.
[ "Appointment of highly experienced CFO with 25+ years in financial management", "New CFO brings extensive public company and mining sector expertise", "Seamless leadership transition with immediate effectiveness" ]Critical One Energy (OTCQB: MMTLF) has acquired the KCR Gold Project adjacent to its Howells Lake Antimony-Gold Project in Ontario's Thunder Bay Mining Division. The key highlight is the Slam Gold Zone discovery, where a historic drill hole intersected visible gold with assays up to 64.1 g/t gold over one metre within a broader interval of 3.54 g/t gold over 20.4 metres.
The acquisition, costing CDN$6,000 and 50,000 common shares, includes a 2% NSR. The company now controls over 30 km of geological trend and 25,000 hectares of land. The project area includes a historical resource of 1.7 million tons at 1.4% antimony with associated gold mineralization (non-43-101 compliant). Critical One is fully funded with CDN$3.3 million from a recent private placement for near-term exploration.