PTTEP Energy Project Overview

E&P Business | Thailand, Myanmar and Malaysia Myanmar Production Zawtika (WI 80%) • Production Volume gas 319MMSCFD (9M2022) Yadana (WI 37.1%) • Production Volume gas 754MMSCFD (9M2022) Exploration M3 (WI 100%) • Pending development Malaysia Production Block K (WI Kikeh 56%, SNP 22.4%, GK 7.2%) • Production Volume crude 26KBPD and gas 30MMSCFD (9M2022) Block H (WI Rotan 56%, Others 42%) • Production Volume gas 260MMSCFD (9M2022) SK309 and SK311 (WI 42-59.5%) • Including East Patricia field • Production Volume gas 200MMSCFD, and crude 18KBPD (9M2022) Exploration • SK410B (LLB), SK417, SK314A, SK438, SK405B • PM415, PM407 PTTEP Thailand Myanmar S1 Sinphuhom E5 M3 Thailand Yadana Zawtika B8/32 & 9A MD7 G1/61 (Erawan) Arthit Contract 4 Bongkot & G2/61 MTJDA Sabah H Sabah K SK410B SK417 Malaysia SK438 PM415 SK405B PM407 SK314A SK309& SK311 Production G1/61 Erawan (WI 60%) • FY2022 daily gas production 200-220MMSCFD • Ramp-up in progress to 800MMSCFD in Apr 2024 • Sole investment 100% G2/61 Bongkot (WI 100%) • GBN Transition completed. Production 200MMSCFD. Bongkot (WI 66.67%) • Production volume gas 730MMSCFD and condensate 19KBPD (9M2022) • Remaining transition to G2/61 in Mar 2023 at 500MMSCFD Arthit (WI 80%) • Production Volume gas 298MMSCFD and condensate 16KBPD (9M2022) Contract 4 (WI 60%) • Production Volume gas 415MMSCFD and condensate 15KBPD (9M2022) S1 (WI 100%) • Production Volume crude oil 25KBPD (9M2022) MTJDA (WI 50%) • Production Volume gas 290MMSCFD (9M2022) Production Exploration 24 24

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