Sintana Energy Inc. Announces SEDAR Filing

TORONTO, Nov. 14, 2025 (GLOBE NEWSWIRE) -- Sintana Energy Inc. (TSX-V: SEI) (“Sintana” or the “Company”) is pleased to announce that it has filed a material change report today in respect of its previous press release dated October 9, 2025, at the request of staff of the Ontario Securities Commission ("OSC") in connection with an OSC staff review, in order to rectify an earlier deficiency in filing the material change report within 10 days of the October 9, 2025 press release pursuant to National Instrument 51-102.

The material change report contains the disclosure previously announced pursuant to the Company's original press release dated October 9, 2025, both of which are available on SEDAR+ at www.sedarplus.ca.

ABOUT SINTANA ENERGY:

The Company is engaged in petroleum and natural gas exploration and development activities in five large, highly prospective, onshore and offshore petroleum exploration licenses in Namibia as well as in Colombia’s Magdalena Basin. Sintana’s exploration strategy is to acquire, explore, develop and produce superior quality assets with substantial value added potential.

On behalf of Sintana Energy Inc.,
“Robert Bose”
Chief Executive Officer

For additional information or to sign-up to receive periodic updates about Sintana’s projects, and corporate activities, please visit the Company’s website at www.sintanaenergy.com.

Corporate Contacts: Robert Bose Chief Executive Officer 212-201-4125	Communications & Investor Relations Advisor: Jonathan Paterson Founder & Managing Partner Harbor Access 475-477-9401

Forward-Looking Statements

Certain information in this release are forward-looking statements. Forward-looking statements consist of statements that are not purely historical, including statements regarding beliefs, plans, expectations or intentions for the future, and include, but not limited to, statements with respect to the prospective nature of the Company’s property interests. Such statements are subject to risks and uncertainties that may cause actual results, performance or developments to differ materially from those contained in the statements, including, but not limited to risks relating to the receipt of all applicable regulatory approvals, results of exploration activities, the ability to source joint venture partners and fund exploration, permitting and government approvals, and other risks identified in the Company’s public disclosure documents from time to time. Readers are cautioned that the assumptions used in the preparation of such information, although considered reasonable at the time of preparation, may prove to be imprecise and, as such, undue reliance should not be placed on forward-looking statements. The Company assumes no obligation to update such information, except as may be required by 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.