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Critical One Energy Signs Exploration Agreement with Eabametoong First Nation and Commences Drilling at Howells Lake Antimony-Gold Project

Drill Results

Critical One Energy Signs Exploration

Agreement with Eabametoong First Nation and

Commences Drilling at Howells Lake

Antimony-Gold Project

Toronto, Ontario--(Newsfile Corp. - March 12, 2026) -

Critical One Energy Inc.

(CSE: CRTL) (OTCQB:

MMTLF) (FSE: 4EF) ("

Critical One

" or the "

Company

"), a leading Canadian mining exploration

company focused on critical metals and minerals, is pleased to announce the signing of a significant

exploration agreement with Eabametoong First Nation and the commencement of Phase I drilling at its

flagship

Howells Lake Antimony-Gold Project

("Howells Lake Project") in Ontario, Canada. The Howells

Lake Project is located in the Thunder Bay Mining Division and seated on the traditional territory of

Eabametoong First Nation, approximately 120 to 200 kilometres (km) west of the Ring of Fire corridor.

The agreement with Eabametoong First Nation (EFN) establishes a collaborative framework for

responsible exploration and potential future development of the Howells Lake Project, underscoring

Critical One's commitment to building long-term, mutually beneficial relationships with EFN and

Indigenous communities in which it operates. The Company emphasizes transparency and respect for

traditional Indigenous knowledge and ways of life, alongside meaningful economic opportunities for EFN

members, as foundational to advancing the project sustainably.

With the agreement in place, Critical One has mobilized crews and commenced Phase I diamond

drilling at the Howells Lake Project. This initial program is designed to test high-priority targets, confirm

and expand upon historical high-grade antimony and gold intersections, and gather essential data to

support future resource delineation and development efforts.

"Eabametoong First Nation has been considering the proposed work at Howells Lake, and through

recognition of EFN engagement protocols and the rights and interests of membership to partner in the

design and conduct of activities in EFN territory, this project represents an important step forward in

corporate and First Nation relationships," said Chief Solomon Atlookan. "As our families intensively use

and harvest throughout the Howells and surrounding areas, so we had to develop new and innovative

environmental measures as well as a strong role in deciding where and when activities may occur,

including community environmental monitors to participate on site in any activity."

Chief Atlookan continued saying: "It has been a positive and respectful dialogue with Duane Parnham

and his team to establish this phased agreement that will ensure our community is involved in guiding the

Howells Lake Project over time and will also share in benefits from any work on our land. We are finding

ways for this project to enable members to get out on the land together and make it easier to harvest and

enjoy our territory and way of life, which is a major change from the harmful legacy of other exploration

companies. Partnering with Eabametoong is the way forward."

Duane Parnham, Founder, Executive Chairman and CEO of Critical One, added: "We are thrilled to

formalize our relationship with Eabametoong First Nation and to kick off drilling at Howells Lake. This

milestone reflects our dedication to responsible exploration in collaboration with Indigenous partners

while advancing a project of strategic importance for critical minerals like antimony, which is essential for

defence, technology, and clean energy applications. Phase I drilling marks the beginning of an exciting

phase for the Company, and we look forward to sharing results as they become available."

The Howells Lake Project represents one of Canada's largest known undeveloped antimony systems,

with a historical resource of 1.7 million tons at a grade of 1.4% antimony with associated gold

mineralization (Themistocleous, 1980)*. Historical drilling includes individual assays of up to 75%

antimony and over 14 grams/ton (g/t) gold, as well as intervals such as 5.37% antimony over 8.35 metres

and associations with high-grade gold. The project spans a substantial land package of approximately

25,000 hectares across a 30 km strike in a proven greenstone belt, positioning it as a key asset in

addressing North America's growing demand for critical minerals amid supply chain constraints and

elevated antimony prices.

The Company will issue CDN$250,000 worth of shares within 30 days of signing, make other cash

considerations based on exploration value, and cover expenses throughout the life of the project.

*Note:

All geological and assay information contained in this document is historical in nature and the Qualified Person ("QP") responsible for the

technical disclosure in this release is unable to determine if any of that data would meet current NI 43-101 regulations regarding disclosure of

scientific and technical information. Additionally, the QP has not done sufficient work to make the resource current. The historical resource uses

"Inferred + Speculated" categories which are not comparable to or compliant with CIM definitions of resources. Drill intersections in the historical

report are reported as downhole intervals and no true width could be determined at this time. Historical grades will need to be replicated and

expanded upon with new drilling where uniform and dense drill intercepts, a defined orientation and size to the ore body, and cut-off grades, are to

be established to meet modern resource standards. The information in the data recovered is considered of value and relevant to the Company's

project. However, the Issuer is not treating the estimate as current.

References:

Themistocleous, S.G., 1980. Miminiska Lake Project, Northwestern Ontario, Geological Report, New

Jersey Zinc Exploration Company (Canada) Ltd.

Qualified Person

Matthew Trenkler, P.Geo. and Chief Geological Officer, Critical One Energy Inc., a Qualified Person

("QP") under NI 43-101, has reviewed and approved the scientific and technical content of this news

release. All technical information in this release pertaining to geology and assays is based on historical

data that cannot be verified by the QP.

About Critical One Energy Inc.

Critical One Energy Inc. is a forward-focused critical minerals and upstream energy company, powering

the future of clean energy and advanced technologies. The Howells Lake Antimony-Gold Project focuses

the Company's exposure on antimony, one of the most in-demand critical minerals, as well as gold,

which is known to occur at numerous locations on the Howells Lake Project. Backed by seasoned

management expertise and prime resource assets, Critical One is strategically positioned to meet the

rising global demand for critical minerals and metals. Its mine exploration portfolio is led by antimony-

gold exploration potential in Canada and uranium investment interests in Namibia, Africa. By leveraging

its technical, managerial, and financial expertise, the Company upgrades and creates high-value

projects, thereby driving growth and delivering value to its shareholders.

Additional information about Critical One Energy Inc. can be found at

criticaloneenergy.com

and on the

Company's

SEDAR+ profile

at

www.sedarplus.ca

.

For further information, please contact:

Duane Parnham

Executive Chairman & CEO

Critical One Energy Inc.

+1 (416) 489-0092

[email protected]

Media inquiries:

Adam Bello

Manager, Media & Analyst Relations

Primoris Group Inc.

+1 (416) 489-0092

[email protected]

Neither the Canadian Securities Exchange nor CIRO accepts responsibility for the adequacy or

accuracy of this release.

Forward-looking Statements

This news release contains "forward-looking information" within the meaning of applicable securities

laws. All statements contained herein that are not clearly historical in nature may constitute forward-

looking information. In some cases, forward-looking information can be identified by words or phrases

such as "may", "will", "expect", "likely", "should", "would", "plan", "anticipate", "intend", "potential",

"proposed", "estimate", "believe" or the negative of these terms, or other similar words, expressions,

and grammatical variations thereof, or statements that certain events or conditions "may" or "will"

happen, or by discussions of strategy. Forward-looking information contained in this press release

includes, but is not limited to, statements relating to the Company's business strategy and objectives.

Where the Company expresses or implies an expectation or belief as to future events or results, such

expectation or belief is based on assumptions made in good faith and believed to have a reasonable

basis. Such assumptions include, without limitation, that: the Company will have the resources required

in order to conduct its business as currently operated.

However, forward-looking statements are subject to risks, uncertainties, and other factors, which could

cause actual results to differ materially from future results expressed, projected, or implied by such

forward-looking statements. Such risks include, but are not limited to, risks relating to the mining industry

in general, and other risks as described in the Company's continuous disclosure record on SEDAR+.

Accordingly, undue reliance should not be placed on forward-looking statements and the forward-looking

statements contained in this press release are expressly qualified in their entirety by this cautionary

statement. The forward-looking statements contained herein are made as at the date hereof and are

based on the beliefs, estimates, expectations, and opinions of management on such date. The

Company does not undertake any obligation to update publicly or revise any such forward-looking

statements or any forward-looking statements contained in any other documents whether as a result of

new information, future events or otherwise or to explain any material difference between subsequent

actual events and such forward-looking information, except as required under applicable securities law.

Readers are cautioned to consider these and other factors, uncertainties, and potential events carefully

and not to put undue reliance on forward-looking information.

To view the source version of this press release, please visit

https://www.newsfilecorp.com/release/288346