Thailand Focus 2022

Projects | Thailand, Myanmar and Malaysia Myanmar Production Zawtika (80% WI) Operate Zawtika project, start up in March 2014 with current gas supply of 322 MMSCFD for 6M2022 Yadana (37.1% WI) Become an operator of Yadana project on July 20, 2022 Exploration M3 (100% WI) Awaiting development MYANMAR $1 Sinphuhom Thailand E5 Production/Ramp-up Projects Yadana M3 THAILAND Bongkot (66.6667% WI) Zawtika Average natural gas and condensate sales volume of 751 MMSCFD and 20 KBPD in 6M2022 MD7 B8/32 & 9A S1 (100% WI) The largest onshore crude oil production field in Thailand with 6M2022 average crude oil sales volume of 25 KBPD Arthit (80% WI) Average sales volume in 6M2022 was 287 MMSCFD of natural gas and 16 KBPD of condensates Contract 4 (60% WI) Average sales volume in 6M2022 was 393 MMSCFD of natural gas and 15 KBPD of condensate G1/61 (60% WI) • Operatorship transfer completed. First year production rate of 200-250MMSCFD. • Sole investment 100% G2/61 (100% WI) • GBN transition completed. Production rate at 200 MMSCFD Contract 4 Production phase Exploration phase G1/61 Arthit Bongkot & G2/61 MALAYSIA PTTEP South China Sea SB412 Sabah H Sabah K SK417 SK309 & SK311 SK314A Malaysia Production Block K Project: Kikeh (56% WI), Siakap North-Petai (SNP) (22.4% WI) and Gumusut-Kakap (GK) (7.2% WI) Average production volume in 6M2022 was 25 KBPD of crude oil and 28 MMSCFD of natural gas SK309 and SK311 Project: (59.5% WI) For East Patricia field (42% WI) • Average production volume in 6M2022 was 198 MMSCFD of natural gas and 18 KBPD of condensates and crude Block H Project: Rotan field (56% WI) Remaining Area (42% WI) • First gas early February 2021 with average production volume in 6M2022 at 256 MMSCFD of natural gas • Full capacity at 270 MMSCFD Exploration For Block K, gross production is net off utilization Sarawak SK410B Project (42.5% WI) • Multi TCF gas discovery in Lang Lebah Field • Expected to reach Final Investment Decision (FID) in 2023 Sarawak SK417 and Sarawak SK405B projects • New Petroleum discoveries with additional well drilling to assess upside potential Sabah SB412 • New block awarded from 2021 Malaysia Bid Round • The project is under preparation for Exploration activities. Note: WI - working interest MTJDA | SK410B PM415 SK438 SK405B PM407 80 30

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