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Vancouver, Canada – TheNewswire - (October 7, 2026) — DESERT MOUNTAIN ENERGY CORP. (the “Company”) (“DME”) (TSX.V: DME, U.S. OTC: DMEHF, Frankfurt: QM01) is pleased to announce that it has signed an agreement with Hethos Ltd. (the “Agreement”), which serves as the exclusive record of the parties’ agreements and maintains and enhances prior licensing arrangements.

Under the Agreement, DME and Desert Energy UK Ltd.’s royalty position will extend to projects throughout the United Kingdom and other projects within Europe. DME has also agreed to share proprietary information relating to its U.S. holdings with respect to both natural and stimulated hydrogen prospects.

DME and Desert Energy UK Ltd. retain the right to participate directly in applicable projects. Where DME elects not to participate directly, the Company will receive a 5% royalty, in addition to applicable licensing fees for the use of its proprietary helium extraction plant design. The Company will take the lead position on projects currently being developed.

Desert Energy UK Ltd. Appointments

The Company is also pleased to announce that Michael Hart, former Deputy CEO and Head of Business Development at Amundi, has joined the board of Desert Energy UK Ltd. During his tenure at Amundi, Mr. Hart led the development of alpha-driven solutions, identifying tailored and proactive strategies designed to address specific client requirements.

In addition, Pierre Levin, who holds an B.S. in Mining & Geology from Mines Paris, an M.S. in Natural Resource Technologies and credentials from HEC, has agreed to act as an outside technical advisor on stimulated and natural hydrogen production projects in France, the United Kingdom and the United States.

“We are excited to welcome Michael to the Desert Energy UK Ltd. team and look forward to the successful completion of ongoing contractual discussions,” said Robert Rohlfing, CEO of Desert Mountain Energy.

Arizona Lease Update

The U.S. Bureau of Land Management (“BLM”) has completed a multi-year review and returned to good standing certain leases that had previously been placed in suspense due to external concerns. These leases include acreage directly offsetting the north side of the Pinta Dome Helium Field in Arizona.

The Company is currently reviewing opportunities to work with another company on the potential development of these properties.

Carbon Credit Initiatives

DME Carbon Cap LLC is completing filings related to its carbon credit initiatives, including filings with Verra and the Climate Action Reserve.

Proprietary Extraction Data

The Company continues discussions regarding opportunities to advance and monetize its proprietary extraction data generated through plant operations in both nitrogen-rich and methane-rich environments. The data forms part of DME’s broader strategy to leverage the technical knowledge and intellectual property developed through the operation of its proprietary extraction technology.

ABOUT DESERT MOUNTAIN ENERGY

Desert Mountain Energy Corp. is a publicly traded resource company primarily focused on the exploration, development and production of helium, hydrogen and natural gas. The Company is focused on helium extraction from different raw gas sources in an environmental and economic manner, supplying elements deemed critical to the renewable energy and high technology industries.

We seek safe harbor

“Robert Rohlfing “

Robert Rohlfing

Exec Chairman & CEO

For more information, contact:

Don Mosher, President & Director

Tel: (604) 617-5448

E-mail: Don@desertmountainenergy.com

Cautionary Note Regarding Forward-Looking Statements

This news release contains “forward-looking statements” within the meaning of the United States Private Securities Litigation Reform Act of 1995 and “forward-looking information” within the meaning of applicable Canadian securities legislation that involve a number of risks and uncertainties . Actual events or results may differ from the Company’s expectations. Such forward looking statements and information herein include but are not limited to the Offering, the anticipated closing date of the Offering, the intended use of  proceeds, a pproval of the Offering from the TSX Venture Exchange, the filing of the Offering Document. statements regarding the Company’s anticipated performance in the future the planned exploration activities, receipt of positive results from drilling, the completion of further drilling and exploration work, and the timing and results of various activities.

Forward-looking statements or information involve known and unknown risks, uncertainties and other factors that may cause the actual results, level of activity, performance or achievements of the Company and its operations to be materially different from those expressed or implied by such statements. Such factors include, among others, changes in national and local governments, legislation, taxation, controls, regulations and political or economic developments in Canada and the United States; financial risks due to helium prices, operating or technical difficulties in exploration and development activities; risks and hazards and the speculative nature of resource exploration and related development; risks in obtaining necessary licenses and permits, and challenges to the Company’s title to properties.

Forward-looking statements are based on assumptions management believes to be reasonable, including but not limited to the continued operation of the Company’s exploration operations, no material adverse change in the market price of commodities, and such other assumptions and factors as set out herein. Although the Company has attempted to identify important factors that could cause actual results to differ materially from those contained in forward-looking statements or information, there may be other factors that cause results to be materially different from those anticipated, described, estimated, assessed or intended. There can be no assurance that any forward-looking statements or information will prove to be accurate as actual results and future events could differ materially from those anticipated in such statements or information. Accordingly, readers should not place undue reliance on forward-looking statements or information. The Company does not intend to, and nor does not assume any obligation to update such forward-looking statements or information, other than as required by applicable law.

Neither the TSX Venture Exchange nor its Regulation Services Provider (as that term is defined in the policies of the TSX Venture Exchange) accepts responsibility for the adequacy or accuracy of this release.

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