Sintana Energy Inc.TSXV: SEI

Exercise of Restricted Share Units

· Yahoo Finance

TORONTO, ON / ACCESS Newswire / June 30, 2026 / Sintana Energy Inc. (TSXV:SEI)(AIM:SEI)(OTCQX:SEUSF) ("Sintana" or the "Company") reports that a total of 4,200,000 restricted share units ("RSUs") previously granted to several directors and service providers of the Company vested on June 27, 2026. Accordingly, the Company reports that the following Persons Discharging Managerial Responsibilities ("PDMRs") have converted RSUs into Common Shares:

Name of PDMR

Number of RSUs converted into Common Shares

Resultant holding in the Company

Resultant percentage interest in the Company(3)

Keith Spickelmier

(Non-Executive Chairman)

600,000

7,152,500

1.28%

Douglas Manner

(Non-Executive Director)

600,000

5,795,558

1.03%

Knowledge Katti (Non-Executive Director)

600,000

23,090,001(1)

4.12%(1)

Robert Bose (Chief Executive Officer & Executive Director)

600,000

27,427,368(2)

4.89%(2)

Sean Austin (co-secretary and treasurer)

600,000

9,175,000

1.64%

Notes:

(1) Mr. Katti holds the legal and beneficial title in 1,250,000 Common Shares. Mr. Katti is also the beneficial owner of 21,840,001 Common Shares held by Grisham Assets Corp.

(2) Mr. Bose holds the legal and beneficial title in 2,813,503 Common Shares. Mr. Bose is also regarded as the beneficial owner of 24,613,865 Common Shares held by Charlestown Energy Partners LLC given his association with that entity.

(3) Calculated based on an aggregate of 560,432,493 common shares of the Company issued and outstanding.

Total Voting Rights

Application has been made for admission to trading on the AIM of a total of 4,200,000 new Common Shares of no-par value ("Admission"). Admission is expected on or about 3 July 2026. Subject to Admission, the new Common Shares will be issued and listed on both AIM and TSX Venture Exchange, and will rank pari passu with the Company's existing Common Shares. Following Admission, the Company's issued share capital will consist of 560,432,493 Common Shares, with each Common Share carrying the right to one vote. The Company does not hold any Common Shares in treasury.

This figure of 560,432,493 Common Shares may therefore be used by shareholders in the Company, as the denominator for the calculations by which they will determine if they are required to notify their interest in, or a change in their interest in, the share capital of the Company under the FCA's Disclosure Guidance and Transparency Rules.

Sintana Energy Inc
Robert Bose, Chief Executive Officer
Eytan Uliel, President

Tel: +44 (0)7 747 845 987

Zeus - Nomad and Joint Broker
Antonio Bossi / Darshan Patel / George Duxberry
Simon Johnson (Broking)

Tel: +44 (0) 20 3829 5000

Cavendish Capital Markets Limited - Joint Broker
Neil McDonald / Derrick Lee / Pearl Kellie

Tel: +44 (0) 20 3493 8000

Jonathan Paterson - Investor Relations
jonathan.paterson@harbor-access.com

Tel: +1 475 477 9401

CAMARCO - Financial PR
Billy Clegg / Georgia Edmonds / Sam Morris

Tel: +44 (0) 20 3757 4980