Critical Minerals

From Mine to Military:
Advancing High-Grade Ontario Antimony

With antimony prices at multi-decade highs, Critical One Energy controls Howells Lake, a district-scale Ontario antimony-gold project with near-pure stibnite confirmed in modern drilling.
Firefighter in full gear containing antimony holding a hose, illuminated by green light and surrounded by smoke.
Discovered in 1979. Reopened for today’s antimony supply crisis.

Modern drilling has now returned near-pure massive stibnite.
Close-up of a shining metallic antimony nugget resting on rough dark rocks with a teal background.
Why Antimony Matters Now
Antimony is one of the most sought-after minerals in the world
but North America produces virtually none of it
Metallic shield with a globe and orbital rings symbolizing global protection or security.
Critical Mineral Status
Recognized for its role in defence, energy, technology, and industrial supply chains.
Silver globe secured with a chain and padlock symbolizing restricted or protected global access.
Severe Supply Risk
Supply is heavily controlled outside North America, creating risk for Western buyers.
White arrow pointing upward breaking through cracked ground symbolizing growth or breakthrough.
Exploding Prices
Prices have surged to multi-year highs due to export restrictions and stockpiling
Silver shield emblem divided into four sections with a solar panel, medical cross, and a target symbol.
Mine-to-Military Relevance
Used in munitions, night vision, semiconductors, batteries, flame retardants, and solar infrastructure.
Silver puzzle piece with 'Sb' symbol fitting into a nearly complete metallic puzzle.
No Substitutes
Antimony has no viable replacement in most of its strategic applications
Floating dark mineral rock connected with glowing icons representing drone, microchip, battery, ammunition, and solar panel.
The Asset

Howells Lake → Near-Pure Stibnite Inside a District-Scale Ontario System

100% controlled: 24,887 ha and 30 km of priority antimony-gold targets
Permitted and drill program commenced in 2026
Who’s Behind It

Operators with Major Exits. Original Discovery Continuity. Mine-to-Military Experience.

Middle-aged man in a dark suit and white shirt posing in front of a beige curtain.
Silver trophy cup with hammer and wrench crossed behind it, resting on a base made of four square blocks.
Built and sold 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
Older man with gray hair wearing large dark glasses, a light blue jacket, and a pink checked shirt.
Silver coin with a mining pickaxe crossed over a gold bar and a dollar sign.
Discovered this exact deposit and others worth billions
→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
Emblem with a gray maple leaf background featuring a hammer and pickaxe crossed in front.
PhD geologist leading modern verification at Howells Lake
→ Led exploration at Wesdome's Eagle River Mine

→ Regional project leadership at IAMGOLD's Cote Gold District

→ Leading the technical plan to test grade, continuity, and scale.
Matthew Trenkler, PhD, P.Geo
Chief Geological Officer
WHY CRITICAL ONE

Near-Pure Stibnite. District Scale. Ontario Permit. Drilling Now.

Howells Lake now has modern high-grade proof, a district-scale land position, and a live drill program testing the next phase of growth.
Silver icon of a pickaxe crossed over a silhouette of the Ontario province with a mining tower inside.
Ontario Critical Minerals Location
Stable, incentive-ready region backed by policy
About 120 km west of the Ring of Fire corridor
OJEP funding approved and exploration permit issued
Pickle Lake access and Thunder Bay logistics pathway
Silver trophy with a faceted spherical top on a rectangular base.
Near-Pure Stibnite
Hole 6 confirmed high-grade antimony grade in modern core.
4.0 m grading 70.2% Sb
Inside 8.0 m grading 42.2% Sb
Visible stibnite in all eight early East Zone holes
Gray icon of a tracked drilling machine with an angled drill rig.
2026 Proof Cycle
Modern drilling is testing grade, continuity, and scale.
Phase I drilling underway
Assays pending from additional holes
Step-outs, metallurgy, and follow-up targets ahead
Two interlocking gray gears with handshake symbol inside the larger gear.
Aligned Team
Built around discovery, execution, and supply-chain access.
Founder-led team with major prior exits
Original Howells Lake discovery continuity
U.S. defence and strategic relationships
Primary Canadian Listing

CSE: CRTL

Critical One Energy is listed on the Canadian Securities Exchange under the symbol CRTL
U.S. Listing

OTCQB: MMTLF

U.S. investors can trade Critical One Energy on the OTCQB under the ticker MMTLF. This listing increases visibility and accessibility in U.S. capital markets.
European Listing

FSE: 4EF0

For international and European investors, Critical One Energy trades on the Frankfurt Stock Exchange under the ticker 4EF0.
FAQ

Common Questions About Critical One Energy

Here are the most frequent questions we receive from prospective investors.
Why does antimony matter right now, and how does Critical One provide exposure?

Antimony is used in defense systems, munitions, night vision, semiconductors, batteries, solar infrastructure, and flame-resistant materials. Many of these uses have few practical substitutes.

North America produces very little antimony and depends heavily on foreign supply. That has made secure antimony supply a priority for governments, industry, and defense buyers.

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

What makes Howells Lake different from other antimony projects?

Howells Lake combines scale, grade, and modern confirmation in one Ontario project.

The property covers roughly 25,000 hectares and about 30 km of priority antimony-gold targets under one operator. It also has a historical antimony-gold system that was identified decades ago, then left undeveloped when antimony prices were much lower.

Modern drilling has now confirmed near-pure stibnite, with Hole 6 returning 4.0 m of 70.2% antimony within 8.0 m of 42.2% antimony. The next step is to test continuity, depth, and scale.

How credible is the Howells Lake asset?

Howells Lake has a large historical exploration record, including drilling, trenching, mapping, and technical work from earlier operators.

Critical One is now testing that work with modern drilling, modern assays, and updated geological interpretation. The company has also brought in the original discovery geologist, received an Ontario exploration permit, signed an agreement with Eabametoong First Nation, and started Phase I drilling.

Hole 6 adds the strongest modern proof point to date, with 4.0 m of 70.2% antimony within 8.0 m of 42.2% antimony.

What is the growth potential at Howells Lake?

Howells Lake has growth potential beyond the historic East Zone.

Critical One controls roughly 25,000 hectares across about 30 km of priority antimony-gold targets. Modern drilling is now testing whether the system continues at depth, along strike, and into new target areas.

Hole 6 confirmed near-pure stibnite in modern core. The next step is to show continuity, test step-outs, and build the data needed for future resource work.

The project also includes gold upside, including the Slam Gold Zone on the contiguous KCR property.

How is Critical One positioned to advance Howells Lake?

Critical One has put the key pieces in place to advance Howells Lake: funding, Ontario exploration support, an issued exploration permit, an agreement with Eabametoong First Nation, and Phase I drilling now underway.

The company is fully funded for the current drill program and continue building the technical data around Howells Lake.

With Hole 6 now confirming near-pure stibnite in modern core, the next focus is: release more assays, test continuity, step out, and keep advancing the project with modern data.

What are the biggest risks, and how is the company managing them?

Critical One is still an exploration-stage company. The main risks include drilling results, true-width interpretation, metallurgy, permitting, commodity prices, funding, and market conditions.

The company is managing those risks through staged drilling, modern technical work, Ontario permitting, and its exploration agreement with Eabametoong First Nation.

The goal is to verify Howells Lake properly, test expansion targets, and build the data needed for future resource work.

Why should investors watch Critical One, and what catalysts are next?

Critical One gives investors exposure to a high-grade Ontario antimony-gold system at a time when North America is looking for secure antimony supply.

The key near-term catalysts are additional assays from Phase I drilling, follow-up holes around the East Zone, step-outs along the broader trend, and technical work on continuity, true width, mineralogy, and metallurgy.

Investors should also watch for updates on potential direct-shipping material, downstream processing, strategic supply-chain relationships, and the Slam Gold Zone on the KCR property.

MINE-TO-MILITARY RELEVANCE

ONTARIO ANTIMONY FOR A SECURE NORTH AMERICAN SUPPLY CHAIN
HIGH-GRADE STIBNITE CONFIRMED AT HOWELLS LAKE

Critical One is advancing a district-scale antimony-gold project as defence, industrial, and energy buyers look for secure Western supply.
Metallic 3D speech bubble icon with a phone handset symbol inside on a gray gradient background.
CONTACT US
Gray folder icon with a bar chart and checkmark symbol representing verified data or report.
Get Updates