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From Mine to Military:
Advancing High-Grade Ontario Antimony

cse:crtl  otcqb:mmtlf  fse:4ef

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Critical One Energy Inc.

North America’s Largest Undeveloped Antimony-Gold Deposit.
Focus → Secure critical minerals and upstream energy metals for North American supply chains.

Flagship → Howells Lake, Ontario; 24,887 ha, about 30 km of priority targets, and Hole 6 returning 4.0 m of 70.2% Sb within 8.0 m of 42.2% Sb.

Plan → Release assays, test continuity, step out from the East Zone, and build the modern data needed for future resource work.

Goal → Advance Howells Lake as a potential North American antimony source while building long-term shareholder value.
STOCK INFORMATION
investor hub

Follow Howells Lake as the drill results come in

Join the Critical One Investor List
Catalyst Alerts → Drill results, assay updates, and project milestones.
Field Notes → Project updates from the team as work advances.
Investor Webinars → Management walk-throughs, technical updates, and Q&A.
Strategic Advantages

Why investors are watching Critical One now

WHY INVEST
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Operator DNA
Founder-led team with discovery, development, and exit experience across major resource cycles.
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Aligned and Funded
Insider alignment, no corporate debt, Ontario exploration support, and funding for the current drill phase.
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Grade + Scale
Near-pure stibnite confirmed in modern drilling across a 24,887 ha Ontario antimony-gold project.
The Macro Case

Why Antimony, Why Now

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Metallic shield emblem showing the map of North America with the element symbol Sb (antimony) and atomic number 51, labeled 'CRITICAL'.
Critical Mineral
Antimony is recognized as a critical mineral across the U.S., Canada, EU, UK, Japan.
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Supply Risk
The U.S. remains heavily import reliant, while China’s export controls have pushed buyers to seek secure Western sources.
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Defense and Industry
Antimony sits inside products tied to defense readiness, industrial safety, energy storage, and advanced manufacturing.
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Few Western sources
New supply takes years to define, permit, and build. High-grade projects in stable jurisdictions matter.
near-term milestones

What to Watch Next

Keep Me in the Loop
Catalyst
Status
Last update
Phase I drilling
Mar 12, 2026 PR
Initial antimony results
May 15, 2026 PR
Additional assays
May 15, 2026 PR
Follow-up drilling
Upcoming
May 15, 2026 PR
PROJECT ADVANTAGES

Why Howells Lake, Why Here

District control → 24,887 ha land package with about 30 km of priority antimony-gold targets.
Modern proof Hole 6 returned 4.0 m of 70.2% Sb within 8.0 m of 42.2% Sb.
Gold still to come → West and Slam Gold Zones add separate gold targets within the broader Howells Lake land package.
Ontario location Established mining jurisdiction, regional access, and proximity to the Ring of Fire corridor.
Operator Edge

Proven Operators. Discovery Pedigree. Defense Relationships.

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Silver trophy cup with hammer and wrench crossed behind it, resting on a base made of four square blocks.
Built and exited companies worth over $1.5 billion
→ Built and sold UNX Energy ($730M exit)
→ Grew Forsys Metals from $45K startup to $860M valuation
→ $1.5B+ in total shareholder value created
→ Largest shareholder; fully insider-aligned
Duane Parnham
Executive Chairman & CEO
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Silver coin with a mining pickaxe crossed over a gold bar and a dollar sign.
Original Howells Lake discovery geologist
→Discovered the Howells Lake deposit (original geologist)

→“Mining Man of the Year” for Eskay Creek discovery

→Senior role on Cobre Panama (4B tonne deposit)
Chet Idziszek
Director
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Key geologist behind Canada’s legendary Hemlo gold discovery
→ Discovery geologist behind Canada’s Hemlo Gold Mine

→ 40+ years in Canadian gold exploration

→ Senior leadership roles in multiple major discoveries
Bruce Durham
Advisor
Investor FAQs

Common Questions About Critical One Energy

Here are the most frequent questions we receive from prospective investors.
Who is Critical One Energy, and where is it listed?

Critical One Energy is advancing the Howells Lake Antimony-Gold Project in Ontario. The story is led by antimony, with gold upside across the broader land package.

Howells Lake now has near-pure stibnite confirmed in modern drilling, with Hole 6 returning 4.0 m of 70.2% Sb within 8.0 m of 42.2% Sb.

Tickers: CSE: CRTL / OTCQB: MMTLF / FSE: 4EF.

Why are investors watching Critical One now?

Antimony has moved into focus because North America depends heavily on foreign supply, while defense, industrial, and energy uses continue to grow.

Critical One gives investors exposure to Howells Lake, a district-scale Ontario antimony-gold project where modern drilling has confirmed near-pure stibnite.

Gold adds a second layer of opportunity across the broader property.

What stage is Howells Lake at?

Howells Lake is in modern drill verification. The project has a historical, non-NI 43-101 estimate of 1.7 Mt at 1.4% Sb with associated gold.

Critical One is now testing the historic system with modern drilling, assays, geophysics, and geological interpretation. The company has received its Ontario exploration permit, signed an agreement with Eabametoong First Nation, and started Phase I drilling.

Hole 6 is the strongest modern proof point so far, with 4.0 m of 70.2% Sb within 8.0 m of 42.2% Sb.

How is Critical One funded and structured?

Critical One has insider ownership, no corporate debt, and recent financings that support the current Howells Lake drill phase.

Ontario exploration funding has also helped advance the project through permitting and into Phase I drilling.

The focus now is to use that capital to release more assays, test continuity, step out from the East Zone, and build the modern technical dataset.

What catalysts should investors watch next?

The next catalysts are additional assays from Phase I drilling, follow-up work around the East Zone, step-out targets along the broader trend, and technical work on true width, continuity, mineralogy, and metallurgy.

Investors should also watch for updates on potential direct-shipping material, downstream processing, strategic relationships, and additional zones on the property.

How should I think about permitting and operating in Ontario?

Ontario is an established mining jurisdiction with clear exploration processes and regional infrastructure. Critical One has received its exploration permit for Howells Lake.

The company has also signed an exploration agreement with Eabametoong First Nation and started Phase I drilling. Future permitting, community engagement, and project milestones will be reported through news releases and filings.

How do I follow the story or contact IR?

Join the investor list for drill results, assay updates, project milestones, webinars, and company news.Join the Access List and use the public watchlist for real-time updates.

For questions or 1:1s with management: ir@criticaloneenergy.com.

Tickers for trading and quote look-ups: CSE: CRTL | OTCQB: MMTLF | FSE: 4EF.

Follow the Proof Phase

Follow Howells Lake as the Data Builds

Get drill results, assay updates, project milestones, and antimony market updates as Critical One advances Howells Lake through modern verification.
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