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 PDMRNumber of RSUs converted into Common SharesResultant holding in the CompanyResultant percentage interest in the Company(3)Keith Spickelmier(Non-Executive Chairman)600,0007,152,5001.28%Douglas Manner(Non-Executive Director)600,0005,795,5581.03%Knowledge Katti (Non-Executive Director)600,00023,090,001(1)4.12%(1)Robert Bose (Chief Executive Officer & Executive Director)600,00027,427,368(2)4.89%(2)Sean Austin (co-secretary and treasurer)600,0009,175,0001.64%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 RightsApplication 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 IncRobert Bose, Chief Executive OfficerEytan Uliel, PresidentTel: +44 (0)7 747 845 987Zeus - Nomad and Joint BrokerAntonio Bossi / Darshan Patel / George DuxberrySimon Johnson (Broking)Tel: +44 (0) 20 3829 5000Cavendish Capital Markets Limited - Joint BrokerNeil McDonald / Derrick Lee / Pearl KellieTel: +44 (0) 20 3493 8000Jonathan Paterson - Investor Relationsjonathan.paterson@harbor-access.comTel: +1 475 477 9401CAMARCO - Financial PRBilly Clegg / Georgia Edmonds / Sam MorrisTel: +44 (0) 20 3757 4980About Sintana EnergySintana Energy is an Atlantic Margin-focused oil and gas company, holding interests in a diverse portfolio of high-impact assets that spans the Southern Atlantic conjugate margin. The Company's current portfolio is strategically positioned in the emerging frontier geographies of Namibia, Uruguay and Angola, with additional legacy assets in Colombia and The Bahamas. Led by an experienced team, Sintana Energy is partnered with major industry players, and benefits from significant carry support, on key licenses across multiple jurisdictions. Sintana Energy is listed on the TSX-V in Canada under the symbol "SEI", in the United Kingdom on the LSE-AIM under the symbol "SEI" and in the U.S. on the OTCQX under the symbol "SEUSF".For further information, please visit sintanaenergy.com1Details of the person discharging managerial responsibilities / person closely associateda)NameKeith SpickelmierDouglas MannerKnowledge KattiRobert BoseSean Austin2Reason for the notificationa)Position/statusNon-Executive ChairmanNon-Executive DirectorNon-Executive DirectorChief Executive Officer & Executive DirectorCo-Secretary and Treasurerb)Initial notification /AmendmentInitial Notification3Details of the issuer, emission allowance market participant, auction platform, auctioneer or auction monitora)NameSintana Energy inc.b)LEI984500ETD72B0D4E46454Details of the transaction(s): section to be repeated for (i) each type of instrument; (ii) each type of transaction; (iii) each date; and (iv) each place where transactions have been conducteda)Description of the financial instrument, type of instrumentRestricted share units over common sharesIdentification codeCA82938H1073b)Nature of the transactionVesting of restricted share units.c)Price(s) and volume(s)Prices(s)VolumeKeith SpickelmierN/A600,000Douglas MannerN/A600,000Knowledge KattiN/A600,000Robert BoseN/A600,000Sean AustinN/A600,000d)- Aggregated volumePricePrice N/A, 3,000,000 Restricted Share Units.e)Date of the transaction27 June 2026f)Place of the transactionTSX-VNEITHER 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.SOURCE: Sintana Energy Inc.View the original press release on ACCESS Newswire
Exercise of Restricted Share Units
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 PDMRNumber of RSUs converted into Common SharesResultant holding in the CompanyResultant percentage interest in the Company(3)Keith Spickelmier(Non-Executive Chairman)600,0007,152,5001.28%Douglas Manner(Non-Executive Director)600,0005,795,5581.03%Knowledge Katti (Non-Executive Director)600,00023,090,001(1)4.12%(1)Robert Bose (Chief Executive Officer & Executive Director)600,00027,427,368(2)4.89%(2)Sean Austin (co-secretary and treasurer)600,0009,175,0001.64%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 RightsApplication 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 IncRobert Bose, Chief Executive OfficerEytan Uliel, PresidentTel: +44 (0)7 747 845 987Zeus - Nomad and Joint BrokerAntonio Bossi / Darshan Patel / George DuxberrySimon Johnson (Broking)Tel: +44 (0) 20 3829 5000Cavendish Capital Markets Limited - Joint BrokerNeil McDonald / Derrick Lee / Pearl KellieTel: +44 (0) 20 3493 8000Jonathan Paterson - Investor Relationsjonathan.paterson@harbor-access.comTel: +1 475 477 9401CAMARCO - Financial PRBilly Clegg / Georgia Edmonds / Sam MorrisTel: +44 (0) 20 3757 4980About Sintana EnergySintana Energy is an Atlantic Margin-focused oil and gas company, holding interests in a diverse portfolio of high-impact assets that spans the Southern Atlantic conjugate margin. The Company's current portfolio is strategically positioned in the emerging frontier geographies of Namibia, Uruguay and Angola, with additional legacy assets in Colombia and The Bahamas. Led by an experienced team, Sintana Energy is partnered with major industry players, and benefits from significant carry support, on key licenses across multiple jurisdictions. Sintana Energy is listed on the TSX-V in Canada under the symbol "SEI", in the United Kingdom on the LSE-AIM under the symbol "SEI" and in the U.S. on the OTCQX under the symbol "SEUSF".For further information, please visit sintanaenergy.com1Details of the person discharging managerial responsibilities / person closely associateda)NameKeith SpickelmierDouglas MannerKnowledge KattiRobert BoseSean Austin2Reason for the notificationa)Position/statusNon-Executive ChairmanNon-Executive DirectorNon-Executive DirectorChief Executive Officer & Executive DirectorCo-Secretary and Treasurerb)Initial notification /AmendmentInitial Notification3Details of the issuer, emission allowance market participant, auction platform, auctioneer or auction monitora)NameSintana Energy inc.b)LEI984500ETD72B0D4E46454Details of the transaction(s): section to be repeated for (i) each type of instrument; (ii) each type of transaction; (iii) each date; and (iv) each place where transactions have been conducteda)Description of the financial instrument, type of instrumentRestricted share units over common sharesIdentification codeCA82938H1073b)Nature of the transactionVesting of restricted share units.c)Price(s) and volume(s)Prices(s)VolumeKeith SpickelmierN/A600,000Douglas MannerN/A600,000Knowledge KattiN/A600,000Robert BoseN/A600,000Sean AustinN/A600,000d)- Aggregated volumePricePrice N/A, 3,000,000 Restricted Share Units.e)Date of the transaction27 June 2026f)Place of the transactionTSX-VNEITHER 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.SOURCE: Sintana Energy Inc.View the original press release on ACCESS Newswire
