(via TheNewswire)

TORONTO, CANADA (August 26, 2026) - TheNewswire – ONEnergy Inc. (“ ONEnergy ” or the “ Company ”) (NEX: OEG.H) today announced that, further to its news releases dated May 23, 2025, July 2, 2025, August 8, 2025, October 30, 2025, February 11, 2026 and March 13, 2026, it has entered into a mutual termination agreement dated August 26, 2026 with Matrixset Investment Corporation (“ Matrixset ”) and 1581316 B.C. Ltd. (“ AcquisitionCo ”), terminating the acquisition agreement dated March 13, 2026 (the “ Definitive Agreement ”) among the Company, Matrixset and AcquisitionCo, pursuant to which the Company had proposed to acquire Matrixset by way of amalgamation (the “ Transaction ”). The Company also announced that it has filed its financial results as at and for the three- and six-month periods ended June 30, 2026.

Termination of Transaction

The Definitive Agreement provided for an outside date of July 8, 2026 by which the conditions precedent to completion of the Transaction were required to be satisfied or waived. That date passed without those conditions having been satisfied or waived and without the parties having agreed in writing to extend it. The parties have determined that it is in their respective best interests not to proceed with the Transaction.

Accordingly, the parties have agreed to terminate the Definitive Agreement by mutual consent, effective August 26, 2026 . As of that date, the Definitive Agreement is of no further force or effect and no party has any further obligation to any other party, other than those provisions that expressly survive termination in accordance with their terms, including the confidentiality provisions. The parties have also provided mutual releases in respect of the Definitive Agreement and the Transaction.

The Company thanked Matrixset and its advisors for their cooperation and efforts throughout the process and wishes Matrixset continued success in its future endeavours.

The Company’s common shares remain halted from trading. The Company is completing the steps required to reinstate trading and expects that trading will resume in the near future, subject to the approval of the TSX Venture Exchange.

Financial results

For the three-month period ended June 30, 2026, net loss and comprehensive loss was ($77,000) compared to net loss and comprehensive loss of ($118,000), during the same period in 2025.

For the six-month period ended June 30, 2026, net loss and comprehensive loss was ($135,000) compared to net loss and comprehensive loss of ($297,000), during the same period in 2025.

For further information on the financial results of the Company, please review the Company’s unaudited interim condensed consolidated financial statements and management’s discussion and analysis of financial condition and results of operations for the three- and six-month periods ended June 30, 2026, available under the Company’s issuer profile on SEDAR+ at www.sedarplus.ca .

Secured grid promissory note debt financing

Between May 28, 2026 and August 26, 2026, Stephen J.J. Letwin, a director and Chairman of the Board of Directors, provided advances under a secured grid promissory note (the “ Secured Note ”) to the Company totaling $26,000 .  The Secured Note is not convertible into securities of the Company, is secured by a first-ranking security over the Company’s assets, permits repayments and additional drawdowns and bears an annual interest rate at 10%.

About ONEnergy Inc.

ONEnergy common shares are listed on the NEX board of the TSX Venture Exchange under the symbol “OEG.H”. Material information about ONEnergy can be found on SEDAR+ under the Company’s issuer profile at www.sedarplus.ca . ONEnergy’s corporate website may be found at www.onenergyinc.com .

For additional information please contact:

Ray de Ocampo, Chief Financial Officer, irinfo@onenergyinc.com, +1 (647) 253-2534

This news release contains certain “forward-looking information” and “forward-looking statements” (collectively “forward-looking statements”) within the meaning of applicable securities legislation. Forward-looking statements in this news release include, but are not limited to, statements regarding the termination of the Definitive Agreement and the effects thereof, the reinstatement of trading in the Company’s common shares and the anticipated timing thereof, the receipt of any required approvals of the TSX Venture Exchange, future advances under the Secured Note and the Company’s ability to fund its ongoing obligations, and the business and operations of the Company generally. These statements reflect the Company’s current expectations and are based on assumptions, including that the Company will satisfy the requirements of the TSX Venture Exchange for the reinstatement of trading and that the Company will continue to have access to financing on acceptable terms. Although the Company believes that the expectations reflected in these forward-looking statements are reasonable, undue reliance should not be placed on them, as actual results may differ materially from the forward-looking statements and there can be no assurance that such expectations will prove to be correct. The forward-looking statements contained in this news release are made as of the date hereof, and the Company undertakes no obligation to update publicly or revise any forward-looking statements or information, whether as a result of new information, future events or otherwise, except as required by applicable securities laws. The forward-looking statements contained in this news release are expressly qualified by this cautionary statement.

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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