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Critical One Energy

Name: Critical One Energy
Address: 82 Richmond Street E. , 4th Floor, Toronto, ON, M5C1P1, CA
Telephone: +14164890092
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Critical One Energy

Critical One Energy controls North America’s largest undeveloped antimony-gold asset. 🇨🇦 CSE: GREN
🇺🇸 OTCQB: MMTLF

As global supply collapses, we offer early exposure to a strategic metal essential to defense, energy, and tech → Strategic metal, up to 75% Sb, and ready to scale.

06/18/2026

Howells Lake is starting to show more than antimony.

Hole 6 now shows antimony, gold, and zinc in the East Zone.

Multi-element signatures can help explain what kind of system sits below surface.

The high-grade antimony interval came first:
→ 8.0 m at 42.2% Sb
→ including 4.0 m at 70.2% Sb

Now deeper assays are showing gold-zinc mineralization.

This gives us more than a single intercept to follow.

It adds geological context.

It helps set the next drill targets.

And it supports the interpretation that the East Zone may be part of a broader, vertically extensive antimony-gold system.

CSE:CRTL • OTCQB:MMTLF • FSE:4EF

06/16/2026

NEWS → Hole 6 is starting to tell a bigger system story at Howells Lake.

The first near-surface, near-pure stibnite result showed what high-grade antimony can look like.

Now the follow-up assays are adding depth and context.

New results extended the lower antimony zone in Hole 6 to 15.3 m at 1.76% Sb from 114.7 m to 130 m down-hole.

That matters because it sits below the previously reported high-grade interval:
→ 8.0 m at 42.2% Sb
→ including 4.0 m at 70.2% Sb

The East Zone is now showing multiple layers of information:
→ high-grade stibnite near surface
→ an extended lower antimony zone
→ gold-zinc mineralization appearing deeper
→ a broader vertical window for follow-up drilling

That is how a historic discovery becomes a modern exploration system.

CSE:CRTL • OTCQB:MMTLF • FSE:4EF

06/10/2026

Most investors understand gold grades. Here’s how antimony translates.

1% Sb compares to roughly 4.18 g/t gold on an illustrative price-ratio basis.

That helps put Critical One’s recent near-surface, near-pure antimony discovery into something more familiar:

→ 8.0 m at 42.2% Sb compares to 176 g/t gold
→ including 4.0 m at 70.2% Sb compares to 294 g/t gold

Now the work expands from one major grade result to testing the broader antimony-gold system with 300M+ lb scale potential.

That result and grade gives us confidence. The next phase is about size, continuity, recoverability, and the path to market.

CSE:CRTL • OTCQB:MMTLF • FSE:4EF

06/04/2026

The Ring of Fire put Northern Ontario on the critical-minerals map.

Now attention is forming around the next economic zone.

Howells Lake sits 120 km west of the Ring of Fire, within a growing infrastructure and mining-services build-out.

That is the opportunity behind the Outer Ring of Fire.

The core Ring of Fire is known for nickel, copper, and other critical minerals.

Howells Lake adds something different: antimony with multiple gold occurrences in this prolific geological belt.

Current drilling is testing a large antimony-gold system with 300M+ lb scale potential, while the new near-pure stibnite discovery opens the door to DSO evaluation.

As Howells Lake advances, the area could become a new critical-minerals economic zone for Northern Ontario, built around antimony, gold, infrastructure, and North American supply needs.

CSE:CRTL • OTCQB:MMTLF • FSE:4EF

05/29/2026

What does a near-surface discovery of near-pure antimony actually mean?

Here’s one way to think about the latest Howells Lake result.

One cubic metre of stibnite-rich material at 70.2% Sb contains roughly 3.25 tonnes of antimony.

At an antimony price of US$35,000 per tonne, that equals about US$114,000 of gross contained antimony value.

This theoretical illustration shows why grade matters.

Now the focus turns to the next holes: proving size, continuity, recoverability, and the path to market.

CSE:CRTL • OTCQB:MMTLF • FSE:4EF

05/28/2026

NEWS → Critical One signs strategic MOU with (GIP), one of Canada’s largest civil infrastructure companies.

With drilling underway and recent results showing near-pure stibnite, Howells Lake is starting to plan beyond exploration.

The MOU creates a framework for GIP to support:
→ road planning
→ civil works
→ infrastructure planning
→ potential contract mining and material supply
→ equipment/operator training programs in Pickle Lake

Timing matters. Northern Ontario is entering a major infrastructure build-out, with Ring of Fire road construction now underway. Howells Lake sits roughly 120 km west of that access corridor.

Infrastructure planning will move forward the same way the project has so far, in partnership with Eabametoong First Nation.

Recent drill results open the opportunity to evaluate direct-shipping-ore potential, which makes access, roads, and haulage a more important part of the Howells Lake plan.

Bringing in GIP now lets Critical One plan the next phase alongside drilling.

Full news release on our website now.

CSE:CRTL • OTCQB:MMTLF • FSE:4EF

05/18/2026

LIVE WEBINAR → Critical One Energy will host a live investor webinar on Tuesday, May 19 at 1:00 PM ET to discuss the high-grade antimony drill results from the Howells Lake Antimony-Gold Project in Ontario.

Management will walk investors through drill hole HWL-2026-006, which intersected 4.0 metres of massive stibnite grading 70.2% antimony within a broader 8.0-metre interval grading 42.2% antimony. The hole also returned a second intercept of 1.62% antimony over 7.3 metres.

Duane Parnham, Executive Chairman & CEO, Chet Idziszek, Discovery Geologist, and Matthew Trenkler, Chief Geological Officer, will also take live questions.

Register at the link in the press release.

Can’t attend live? Register anyway and receive the replay.

CSE: CRTL • OTCQB: MMTLF • FSE: 4EF

05/15/2026

NEWS → Critical One drills 4.0 metres of 70.2% antimony at Howells Lake.

For context, pure stibnite contains 71.7% antimony.

That puts this interval close to the natural upper limit for the mineral.

The same hole also returned a second zone of 7.3 m grading 1.62% Sb, showing more mineralization below the high-grade interval.

A few things stand out:

→ Grade
This is a high-grade antimony result in modern drill core.

→ Consistency
All eight holes drilled to date near the historic East Zone have intersected visible antimony-bearing stibnite mineralization.

→ Potential supply path
Results of this strength open the opportunity to evaluate direct shipping ore potential for North American military and industrial buyers.

At a time when antimony supply is limited and still heavily controlled outside North America, Howells Lake continues to show why this system matters.

Further assays will be released as received.

Full news release on our website now.

CSE:CRTL • OTCQB:MMTLF • FSE:4EF

04/20/2026

Presenting at Mining Forum 2026 in Stuttgart.

Duane Parnham, CEO, presented the Howells Lake Antimony-Gold investment case to an investor audience in Germany, and connected directly with attendees on the floor throughout the event.

From the stage to the booth, AXINO was an important opportunity to bring the Critical One story into a strong European capital markets audience.

CSE: CRTL • OTCQB: MMTLF • FSE: E4F

04/16/2026

A four-star U.S. Army General (Ret) just joined Critical One’s Strategic Advisory Board.

That matters for two reasons.

First, General Charles A. Flynn brings 39 years of U.S. Army leadership, including Commanding General of U.S. Army Pacific and senior strategy roles at the Pentagon.

Second, his appointment comes at a time when antimony has moved well beyond the mining conversation. It now sits inside a much larger discussion around defence, supply chain security, and North American strategic capacity.

At Critical One, General Flynn will advise on U.S. strategic engagement, defence-related relationship development, and broader positioning as the company advances Howells Lake in Ontario.

This sits directly alongside our drilling.

As exploration moves forward on Canada’s largest known undeveloped antimony deposit, the company is also building the relationships that matter around funding, supply chain partnerships, and future offtake discussions.

Full news release → https://www.criticaloneenergy.com/press-releases/critical-one-energy-appoints-general-ret-charles-a-flynn-to-strategic-advisory-board-to-support-u-s-strategic-partnerships?utm_source=facebook&utm_medium=organic_social&utm_campaign=pr_charles_flynn&utm_content=graphic

CSE:CRTL • OTCQB:MMTLF • FSE:4EF

Address

82 Richmond Street E. , 4th Floor
Toronto, ON
M5C1P1

Opening Hours

Monday	9:30am - 5pm
Tuesday	9:30am - 5pm
Wednesday	9:30am - 5pm
Thursday	9:30am - 5pm
Friday	9:30am - 5pm

Telephone

+14164890092

Website

https://www.criticaloneenergy.com/

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