Exercise of Restricted Share Units

Executive Summary

• Sintana Energy Inc. reports that 4,200,000 Restricted Share Units (RSUs) previously granted to directors and service providers vested on June 27, 2026.
• The vested RSUs were converted into Common Shares, resulting in specific holdings for five Persons Discharging Managerial Responsibilities (PDMRs).
• Admission to trading on the London Stock Exchange's AIM market for these new shares is expected on or about July 3, 2026.

Key Details

• Total RSUs Vested: 4,200,000 RSUs converted into Common Shares.
• Vesting Date: June 27, 2026.
• PDMR Holdings Breakdown:
  • Keith Spickelmier (Non-Executive Chairman): 600,000 RSUs converted; resultant holding of 7,152,500 shares (1.28% interest).
  • Douglas Manner (Non-Executive Director): 600,000 RSUs converted; resultant holding of 5,795,558 shares (1.03% interest).
  • Knowledge Katti (Non-Executive Director): 600,000 RSUs converted; resultant holding of 23,090,001 shares (4.12% interest). Note: Includes 1,250,000 shares held directly and 21,840,001 beneficially held via Grisham Assets Corp.
  • Robert Bose (CEO & Executive Director): 600,000 RSUs converted; resultant holding of 27,427,368 shares (4.89% interest). Note: Includes 2,813,503 shares held directly and 24,613,865 beneficially held via Charlestown Energy Partners LLC.
  • Sean Austin (Co-Secretary and Treasurer): 600,000 RSUs converted; resultant holding of 9,175,000 shares (1.64% interest).
• Share Capital Update: Following admission, the total issued share capital will be 560,432,493 Common Shares.
• Trading Admission: Application made for admission to trading on the AIM for 4,200,000 new Common Shares. Expected admission date: on or about July 3, 2026.
• Share Listing: New shares will rank pari passu with existing Common Shares and will be listed on both the AIM and the TSX Venture Exchange.
• Regulatory Context: The total share count of 560,432,493 serves as the denominator for FCA Disclosure Guidance and Transparency Rules calculations regarding shareholder interest notifications.