This announcement contains inside information for the purposes of Article 7 of the UK version of Regulation (EU) No 596/2014 which is part of UK law by virtue of the European Union (Withdrawal) Act 2018, as amended ("MAR"). Upon the publication of this announcement via a Regulatory Information Service, this inside information is now considered to be in the public domain.

4 February 2026 

Sintana Energy, Inc.

("Sintana" or "the Company")

Sintana Announces VMM-37 Resolution

Sintana Energy Inc. (TSXV: SEI, AIM: SEI, OTCQX: SEUSF) (the "Company" or "Sintana") is pleased to announce that its subsidiaries, Patriot Energy Oil and Gas Inc. and Patriot Energy Sucursal Colombia ("Patriot"), have successfully reached agreement to resolve the previously announced arbitration against ExxonMobil Exploration Colombia Limited and ExxonMobil Exploration Colombia Limited Sucursal Colombia (collectively, "ExxonMobil") associated with the VMM-37 block located in Colombia's Middle Magdalena Valley Basin ("VMM-37").

Pursuant to such resolution: Patriot and ExxonMobil have agreed to dismiss the current arbitration; Patriot has agreed to conditionally assign all of its rights and interests associated with VMM-37 to ExxonMobil (the "Assignment"); and ExxonMobil has agreed to make two cash payments to Patriot, the first $3 million due within sixty (60) days of  execution, and a second payment of $6 million, together with mutual releases, conditioned on approval of the Assignment by the appropriate Colombian governmental agencies, including the Agencia Nacional de Hidrocarburos and other contractual requirements.

Robert Bose, Chief Executive Officer of Sintana commented: "We are pleased to bring this matter associated with our legacy position in Colombia to an initial conclusion. This outcome supports our efforts to streamline operations focusing resources on our active, high impact portfolio across the Atlantic margin."

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About Sintana

Sintana, the Canadian parent company of a group of companies, is focused on the acquisition, exploration, potential development, and ultimately the monetisation of a diverse portfolio of interests in high-impact assets with significant hydrocarbon resource potential in emerging "frontier" geographies. Specifically, this includes interests in eight licences in two countries, Namibia and Uruguay, as well as pending indirect interests in additional licences in Namibia and Angola (and legacy assets in Colombia and The Bahamas), providing exposure to a range of geologic plays, basins, operators, regulators, jurisdictions and geopolitical regimes.

https://www.sintanaenergy.com 

Forward-Looking Statements

The information provided in this announcement contains certain forward-looking statements and information (collectively, "forward-looking statements") within the meaning of applicable securities laws. Such forward-looking statements include, without limitation, forecasts, estimates, expectations and objectives for future operations that are subject to assumptions, risks and uncertainties, many of which are beyond the control of Sintana. Forward-looking statements are predictive in nature, depend upon or refer to future events or conditions, or include words such as "expect", "plan", "anticipate", "believe", "intend", "maintain", "continue to", "pursue", "design", "result in", "sustain" "estimate", "potential", "growth", "near-term", "long-term", "forecast", "contingent" and similar expressions, or are events or conditions that "will", "would", "may", "could" or "should" occur or be achieved. The forward-looking statements contained in this announcement speak only as of the date hereof and are expressly qualified by this cautionary statement.

Forward-looking statements are based upon, among other things, factors, expectations and assumptions that Sintana has made as at the date of this announcement regarding, among other things, the receipt of all applicable regulatory approvals and the anticipated schedule for receipt of funds pursuant to the Settlement Agreement.

Undue reliance should not be placed on the forward-looking statements because no assurance can be given that they will prove to be correct. Since forward-looking statements address future events and conditions, by their very nature they involve inherent risks and uncertainties. These risks include, but are not limited to, the ability of Sintana to receive all necessary regulatory approvals and third party satisfaction of all conditions of the Settlement Agreement.

Except as may be required by applicable securities laws, Sintana does not assume any obligation or intent to update publicly or revise any forward-looking statements made herein, whether as a result of new information, future events or otherwise.

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.