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Advancing High-Grade Ontario Antimony
cse:crtl otcqb:mmtlf fse:4ef


Follow Howells Lake as it advances toward scale
Why investors are watching Critical One now
Why Antimony, Why Now

Antimony is recognized as a critical mineral across the U.S., Canada, EU, UK, Japan.
New supply takes years to define, permit, and build. High-grade projects in stable jurisdictions matter.
What to Watch Next
Keep Me in the LoopWhy Howells Lake, Why Here

Proven Operators. Discovery Pedigree. Defense Relationships.
Investor Resources
Common Questions About Critical One Energy
Critical One Energy is advancing the Howells Lake antimony-gold project in Ontario.
Modern drilling has confirmed high-grade stibnite in more than one hole.
Listed on CSE: CRTL, OTCQB: MMTLF, and FSE: 4EF.
North America imports about 91% of its antimony while defense and industrial demand grows, and there are few public antimony names.
Critical One offers exposure through Howells Lake, a district-scale Ontario project with near-native antimony confirmed in drilling, a 300M+ lb target, and a funded 2026 program.
Howells Lake is in modern drill verification.
Hole 6 delivered the strongest modern proof so far, with near-native antimony in core, and the company holds its Ontario permit, has signed the EFN agreement, and is drilling Phase I.
A historical, non-43-101 East Zone estimate of about 1.7 Mt at 1.4% Sb provides documented context and is not treated as current.
Critical One has a funded C$9M 2026 program, no corporate debt, and about C$11.6M in treasury.
Insiders hold about 31% and institutions about 16%, which aligns the team with shareholders.
Recent flow-through financings fund eligible Canadian exploration as the company advances the East Zone and step-outs.
Near-term catalysts are additional Phase I assays, follow-up holes at the East Zone, and step-outs along the trend, plus technical work on true width, continuity, mineralogy, and metallurgy.
Further out, watch for potential direct-ship ore evaluation, supply-chain and processing discussions, and gold results.
Ontario is an established mining jurisdiction with clear exploration processes and regional infrastructure, and Howells Lake sits 120 km west of the Ring of Fire in the emerging "Outer Ring of Fire," a new critical-minerals economic zone taking shape in the region.
Critical One holds its exploration permit and has signed an exploration agreement with Eabametoong First Nation.
Future permitting, community engagement, and project milestones are reported through news releases and filings.
Join the investor list for catalysts, technical updates, webinars, and company news.
For questions or one-on-ones with management, email ir@criticaloneenergy.com.
Tickers: CSE: CRTL, OTCQB: MMTLF, FSE: 4EF.







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