Thailand Focus 2022

Projects Details | Rest of the World Project Name Status Phase Participating Interest* (%) Sales Vol Gas Sales Vol Liquid (MMSCFD) (KBPD) 7 Brazil BM-ES-23 JV Exploration PTTEP 20% Petrobras INPEX 65% 15% 8 Mexico block 12 (2.4) JV Exploration PTTEP 20% PC Carigali Mexico 60% Ophir Mexico 20% 6 Mexico block 29 (2.4) JV M Exploration PTTEP 16.67% Repsol Mexico 30% PC Carigali Mexico Wintershal DEA 28.33% 25% 10 Block 17/06 JV M Pre-development PTTEP 2.5% (Angola) TotalEnergies 30% Sonangol 30% SSI 27.5% Acrep 5% Falcon Oil 5% 11 Dunga (Kazakhstan) JV M Production 2 12 PTTEP 20% TotalEnergies OOCEP 60% 20% Note:* ** PTTEP denotes respective PTTEP subsidiaries participating in the project Sales volume represent average volume for 100% of the project during 6M2022 Status: OP = PTTEP operatorship/JOC = PTTEP joint operatorship/ JV = PTTEP Joint Venture Partner 42 • Latest Status Evaluating the petroleum potential for development concept PTTEP Evaluating the remaining petroleum potential for future block way forward Pre-development study in progress FID plan in Q3 2022 for Begonia Oil Field Procurement process and design engineering compression package and Gathering Lines Continue Engineering of Utilities upgrade packages Fabrication of Flare packages

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