PTTEP Project and Financial Overview

Projects Details | Rest of the World PTTEP Project Name Status Phase Participating Interest* (%) Sales Vol Gas Sales Vol Liquid Latest Status (MMSCFD) (KBPD) 7 Brazil BM-ES-23 JV Exploration PTTEP 20% Evaluating the petroleum potential for development concept Petrobras 65% INPEX 15% 8 Mexico block 12 (2.4) JV Exploration PTTEP 20% Evaluating the petroleum potential for further way forward PC Carigali Mexico 60% Ophir Mexico 20% 6 Mexico block 29 (2.4) JV M Exploration PTTEP 16.67% Field pre-development study is in progress. Repsol Mexico 30% PC Carigali Mexico 28.33% Wintershal DEA 25% 10 Block 17/06 JV (Angola) M Pre-development PTTEP 2.5% TotalEnergies 30% Sonangol 30% Plan to FID in the middle of 2022 for the eastern area Finalized Internal committees and Stakeholders alignment leading to Begonia FID SSI 27.5% • Launched Forsythia and Gardenia development study on 18 January 2022 Acrep 5% Falcon Oil 5% 11 Dunga (Kazakhstan) JV M Production 2 11 PTTEP 20% TotalEnergies OOCEP 60% Procurement process Compression package and Gathering Lines Engineering of Separation Upgrade, Flare package and facilities Facilities modification works 20% Note: ** *** PTTEP denotes respective PTTEP subsidiaries participating in the project Sales volume represent average volume for 100% of the project during Q1/2022 Status: OP = PTTEP operatorship/JOC = PTTEP joint operatorship/ JV = PTTEP Joint Venture Partner 42

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