Critical One Energy Announces Live Investor Webinar on Howells Lake Phase I Drill Program and Grants Stock Options

Press Release

Toronto, ON – March 16, 2026 – Critical One Energy Inc. (“Critical One” or the “Company”) (CSE: CRTL) (OTCQB: MMTLF) (FSE: 4EF), a leading Canadian mining exploration company focused on critical metals and minerals, is pleased to announce that it will host a live investor webinar on Thursday, March 19, 2026, at 10:30 a.m. EDT. The webinar will focus on the recent commencement of Phase I drilling at its flagship Howells Lake Antimony-Gold Project (“Howells Lake Project”) following the signing of an exploration agreement with Eabametoong First Nation (“EFN”). Investors, analysts, brokers and other participants can register to attend the live webinar at the following link:

https://my.demio.com/ref/U6BZTayf7UmtptPD

Phase I drilling at Critical One’s Howell’s Lake Project marks the culmination of more than a year of systematic project-building, including consolidation of a district-scale land package, reinterpretation of a comprehensive historical exploration dataset, completion of more than 3,000 kilometres of VTEM airborne geophysics, receipt of official approval for initial funding under the Ontario Junior Exploration Program (“OJEP”), issuance of Exploration Permit PR-24-000227 by the Ontario Ministry of Energy and Mines, and establishment of a collaborative framework with EFN to support responsible exploration and potential future development at Howells Lake.

The live investor webinar will be presented by Duane Parnham, Founder, Executive Chairman and CEO, and Matthew Trenkler, P.Geo., Chief Geological Officer. Management will showcase the significance of recent milestones, how these developments moved the Howells Lake Project into active drilling, the objectives of the Phase I drill program, and key milestones investors should watch for as the program advances. The session will also include a live question-and-answer period.

All registered webinar attendees will receive access to the replay and presentation materials following the event.

The Company also announces that it has granted an aggregate of 600,000 stock options (the “Options”) to certain directors, officers, management and consultants of the Company. The Options are exercisable at a price of CDN$0.80 per common share for a period of five years from the date of grant and vest immediately, in accordance with the Company’s stock option plan.

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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.

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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 and copper assets 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.

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For further information, please contact:

Duane Parnham

Executive Chairman & CEO

Critical One Energy Inc.

+1 (416) 489-0092

ir@criticaloneenergy.com

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Media inquiries:

Adam Bello

Manager, Media & Analyst Relations