Thailand Focus 2022

Projects Details | Myanmar, Malaysia, Other SEA Project Name 1 Block K (Malaysia) - Kikeh Status Phase Participating Interest* (%) Sales Vol Gas (MMSCFD) Sales Vol Liquid (KBPD) - Siakap-North Petai field (SNP) - Gumusut-Kakap field (GK) 2 Sarawak SK309 and SK311 OP Production PTTEP (Malaysia) 3 Block H (Malaysia) OP (Kikeh & SNP) Production PTTEP Kikeh 56% JV (GK) 28 ** SNP 22.4% 25* ** GK 7.17% 198 ** 18* 42 - 59.5% OP Production PTTEP 42 -56% 256 ** 4 - Malaysia Other projects OP Exploration PTTEP 42.5 -80% (varied by permits) 5 Yadana (Myanmar) JV Production 734 PTTEP 25.5% TotalEnergies 31.24% Chevron 28.26% MOGE 15% 6 Zawtika M9 & a part of M11 OP Production 322 PTTEP 80% (Myanmar) Myanma Oil and 20% Gas Enterprise (MOGE) 7 M3 OP Exploration PTTEP 100% (Myanmar) 8 MD-7 (Myanmar) OP Exploration PTTEP TotalEnergies 50% 50% Note: * ** *** PTTEP denotes respective PTTEP subsidiaries participating in the project Sales volume represent average volume for 100% of the project during 6M2022 except Malaysia (Production volume 100%)/ For Block K, gross production is net off unitization Status: OPPTTEP operatorship / JOC = PTTEP joint operatorship/ JV = PTTEP Joint Venture Partner 37 . Latest Status PTTEP The inspection and maintenance were completed as planned and the Project continued drilling well in GK as part of field development phase 3 2 new infill wells have completed drilling, with expected production in Jul'22 Capable of producing up to 270 MMSCFD. SK410B: Plan to drill 1 wildcat well in Jul'22 and expected FID in 2023 for LLB SK417 Planning and preparing for the drilling of appraisal well (NANGKA-2) in 2022 exploration campaign SK405B, SK438, SK314A: Well planning in progress SB412 Preparing for exploration activities and focusing on seismic activity Became a new operator on 20 July 2022 Activities for transition performed in a safe and orderly manner for smooth and continuity of operation Maintain operations. Some activities are delayed due to COVID-19 and political situation. Waiting for approval of PSC Supplementary Closely monitor the situations to assess risks, as well as to prepare for an appropriate action plan Termination process in progress

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