AIM Rule 26

The information is being disclosed for the purposes of AIM Rule 26

Description of Business

The Company’s business is focused on the acquisition, exploration, potential development, and ultimately the monetisation of a diversified portfolio of interests in high-impact assets with significant hydrocarbon resource potential in emerging “frontier” geographies. The Company’s primary focus is on its high-impact assets in Namibia, Uruguay and Angola. The Company also has legacy assets in Colombia and The Bahamas.

Country of Incorporation and Operations

Sintana Energy Inc is incorporated under the laws of Province of Alberta, Canada, under the Business Corporations Act (Alberta), with company number 2015615707.

The Company’s registered office is at 3300, 421 7th Avenue S. W., Calgary, Alberta, Canada T2P 4K9. The Company’s principal office is at Office 4.01, 88 Kingsway, London, United Kingdom, WC2B 6AA. Sintana Energy’s main countries of operation Namibia, Uruguay, Angola and The United Kingdom.

As the Company is incorporated under the laws of the Alberta, Canada, the rights of shareholders may be different from the rights of shareholders in a company incorporated in the United Kingdom.

City Code

It is emphasised that, although the Common Shares are admitted to trading on AIM, the Company will not be subject to takeover regulation in the UK and the City Code will not apply to the Company. However, Canadian laws applicable to the Company provide for early warning disclosure requirements and for takeover bid rules for bids made to security holders in various jurisdictions in Canada.

When acquiring shares in the Company, shareholders are entitled under Canadian securities laws to categorise themselves as “objecting” (“Obos”) or “non-objecting” (“Nobos”). By registering as such, which they usually do through the entity through which they acquired their shares, Obos are noting that they object to their interest and their details being disclosed to the Company. In respect of interests up to 10 percent of the issued share capital of the Company after which level Canadian securities law makes disclosure mandatory. Nobos, on the other hand, are noting the fact that they do not object to their shareholdings and their details being disclosed to the Company.

Sintana is subject to the National Instrument 58-101 Disclosure of Corporate Governance Practices, which requires disclosure by the Company of its corporate governance practices and National Policy 58-201 Corporate Governance Guidelines, which sets out non-prescriptive guidelines for the adoption of certain corporate governance practices (the “Regulations”). In addition to stating compliance with the above Regulations, the Company will set out, in its admission document and on its website, the extent to which the Company complies with the principles in the QCA Corporate Governance Code.

Details of other exchanges or trading platforms

The Company’s shares are traded on TSX-V under the ticker code SEI, on AIM under the ticker code SEI, and on the OTCQV Venture Market under the ticker SEUSF.

Details of any restrictions on the transfer of securities

There are no restrictions on the transfer of securities.

Rule 17 of the AIM Rules

Rule 17 of the AIM Rules requires, inter alia, that an AIM quoted company must notify the market of any changes of which it is aware to its Shareholders’ interests in three percent or more of the Common Shares and changes thereto (of any movements through a percentage point upwards or downwards). The Company will, at the next Annual General Meeting, be proposing a resolution to its shareholders to change the Company’s constitution to require that Shareholders holding interests in three percent or more of the Company’s Common Shares inform the Company thereof and to inform the Company of relevant subsequent changes thereto.

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Website updated on 16 December 2025