Thailand Focus 2022

Projects Details | Myanmar, Malaysia, Other SEA Project Name Status Phase Participating Interest* (%) Sales Vol Gas (MMSCFD) Sales Vol Liquid (KBPD) 9 9-2 JOC Production 12 3 PTTEP 25% (Vietnam) Vietnam Oil and 50% Gas Group Pharos Energy 25% 10 16-1 JOC Production 4 13 PTTEP 28.5% (Vietnam) Vietnam Oil and 41% Gas Group Pharos Energy 28.5% OPECO 2% 11 B & 48/95 (Vietnam) JV Exploration PTTEP 8.5% Vietnam Oil and 65.88% Gas Group MOECO 25.62% 12 52/97 (Vietnam) JV Exploration PTTEP 7% Vietnam Oil and 73.4% Gas Group MOECO 19.6% 13 Natuna Sea A (Indonesia) JV M Production 187 1 PTTEP 11.5% Premier Oil 28.67% KUFPEC 33.33% Petronas 15% Pertamina 11.5% 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 38 Latest Status Maintain production level Procurement for drilling campaign of 1 development well Maintain production level Procurement for drilling campaign of 2 development wells PTTEP Monitoring Power Plants progress Negotiation process on commercial terms in order to push forward the Final Investment Decision (FID) The first production target at the end of 2025 Monitoring Power Plants progress Negotiation process on commercial terms in order to push forward the Final Investment Decision (FID) The first production target at the end of 2025 Maintain production level

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