 
        Announcement
 
                                                September 19, 2025
                                                        Announcement Name list of shareholders for Shareholder Site Visit at S1 Project, Sirikit Oilfield, Kamphaeng Phet Province on 4, 6, 11, 13 and 18 November 2025
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                                                March 28, 2025
                                                        Earthquake Incident on March 28, 2025
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                                                September 23, 2024
                                                        Announcement Name list of shareholders for Shareholder Site Visit at S1 Project, Sirikit Oilfield, Kamphaeng Phet Province on November 5, 7 and 19, 2024
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                                                May 24, 2024
                                                        Announcement about the entitled shareholders for Shareholder Site Visit at PTTEP Technology and Innovation Center (PTIC), Rayong Province
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                                                September 26, 2023
                                                        Announcement Name list of shareholders for Shareholder Site Visit at S1 Project, Sirikit Oilfield, Kamphaeng Phet Province on November 14, 16, 28 and 30, 2023
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                                                May 30, 2023
                                                        Announcement Name list of shareholders for Shareholder Site Visit at PTTEP Technology and Innovation Center (PTIC), Rayong Province on Thursday, June 29, 2023 and on Thursday, July 6, 2023
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                                                October 01, 2019
                                                        Announcement of the entitled shareholders for 2019 PTTEP site visit at the S1 Project
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                                                August 21, 2019
                                                        Company Site Visit
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                                                May 22, 2019
                                                        Announcement of the entitled shareholders for 2019 PTTEP site visit at PTTEP Petroleum Development Support Base and CSR project in Songkhla
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                                                April 29, 2019
                                                        Company Site Visit and the PTTEP Newsletter
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                                                December 14, 2018
                                                        PTTEP Adheres to “No Gift Policy” in all occasions including New Year
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                                                May 16, 2018
                                                        Announcement about the entitled shareholders for Corporate Social Responsibility (CSR) activity participation
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