Investor Update April 2022

E&P: Guidance & Strategy Business Update Strengthen Core Business 6 Algeria 5 UAE 3 Myanmar 4 Mozambique 1 Thailand 2 Malaysia 9 Thailand G1/61 Site access Jan 22 for Operatorship Transfer Starting -425mmscfd, then drop to 250-300mmscfd 8 platforms and 100+ Dev. wells required for ramp-up 24 months timeframe to reach PSC 800 mmscfd G2/61 Arthit Assets Transfer Agreement signed in Q4/21 On track for 800+mmscfd (including BKT sales vol.) GSA supplementary signed, to increase DCQ to 280mmscfd (60 mmscfd additional) Malaysia MY 2021 Bid Round pending result in Q1/22 LLB: Begin FEED in 2022 and prepare for FID in 2023 Myanmar All three fields operates normally YDN: TOTAL withdrawing YTG: Declining production per field life M3 and G2P: Prep work for development on-going Mozambique UAE Construction resume expected in 2022 First cargo in late 2025, subject to local security situation Area C farm-in expecting Govt. approval Q1/22 Exploration campaigns on going Algeria HBR Phase 1, expected First oil in 1st half of 2022 2022 Guidance 2022 Guidance Average Sales Volume* Average Gas Price* Unit Cost USD/MMBTU USD/BOE KBOED Q1 Q1 Q1 ~436 ~6.0 ~27-28 ~467 ~5.9 Full Year Full Year Note: * Include sales volume from ADNOC Gas Processing (AGP) ** Based on average Dubai oil price in 2022 at 67.0 $/BBL Key Focus Areas Key Focus Areas 2022 2021 Operating Results Full Year EBITDA Margin % of Sales Revenue ptt Q1 ~70-75% G1 & G2 Assets Monetization Exploration GHG & CCS Net Zero Diversification Safe transition & accelerate ramp-up activities LLB FEED for FID 2022-23 Sarawak Clusters 21 exploration and appraisal wells in 4 countries Emission intensity reduction and CCS rollout Target declaration by Q2/2022 ARV, G2P, CCU, Renewables, H2 study 416 KBOED +18% vs 2020, new volume from B61, SBH 28.5 USD/BOE -4% vs 2020, gradual decrease towards target 4 new discoveries From 3 MY Exploration projects SK417, SK405B, SK488 Oman B61 Biggest M&A in company history 2.3BN$ (Mar 2021) Sabah H 1st Gas (Feb 2020) 7.5 years of P1 Reserves Beyond E&P Tech: ARV 4 Business lines Power: FEV, FST 24.1% GHG emission reduction ahead of target 25% 6,000 M.THB First fully Digital Bonds in Thailand via e-Wallet 0.17 LTF Safety Records per IOGP Standard 41 Awards In Performance, SD, GRC, IR, CSR, Management Full Year 37

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