Investor Update April 2022

E&P GAS GAS Business outlook in 2022 PTT Group 2022 Guidance : + Vol. 1~12%, +Unit cost 1-2-5% : + Domestic gas demand slightly increase despite higher gas cost compared to 2021 Unit: MMSCFD 6,000 3% 4,000 2,000 19% 18% CAGR (2022-2026) 3.5% CAGR 3.5% (during 2022 -2026) GSP's U-Rate 19% 18% NGV Industry GSP Power - EGAT 62% 82-87% in 2022 - IPP - SPP 2021 2022 2023 2024 2025 2026 ptt Upcoming project in 2022 Optt 5th Pipeline [ ptt Phase I Phase II Phase III RAGHES Tratolits Phase 2 BV SA 99.6% 90.8% 30.0% www invalin Phase 1 ios uhul 5 a 1 Phase 3 อาเล่นที 5 สามที่ 3 PSMKS COD Mar 2022 Oct 2022 Dec 2022 GDFS GDF4 E LMPT-2 OIL P&R :+Resuming domestic demand + Oil station 186 stations + Café Amazon 506 stores : Refinery +Improving Demand after the global economic recovery (SG GRM 6.0-7.0$/bbl) - Lower PTT Group U-Rate ~91-95% Petchem: + Higher demand from economic recovery and vaccination rate - More capacities addition from new plants will : pressure the product prices Power +Recover domestic electricity consumption Future Energy: +Expansion of EV charger (Arun plus +1,350 units & OR +200 inside PTT stations, +150 outside PTT stations) +EVME: increasing EV car in the fleet > 500 units New business: + Lotus: starting to recognize NI contribution in 2Q2022 Gas Separation Plants Maintenance schedule in 2022 92.5% LNG ptt LNG Terminal#2 Fully COD: Dec 2022 NNAW 1st phase mid year 2.5 MTA ptt FID-EV Platform (JV with Foxconn) in 1H2022 IRPC Non-Woven Fabric products: 5.6 KTA Sinnobic COD: 2Q2022 GC High-quality Circular Plastic Resin Plant: 45 KTA COD: 1Q2022 GPSC Avaada Solar Power Platform in India: 4,560 MW GPSC hold 41.6% (2,205 MW in operating / 2,403 MW in progress) Petrochemical & Refinery Plants ptt 2Q: ESP Major SD & GSP#2&3 TD : 23 days 3Q: GSP#4 Major SD :20 days 4Q: GSP#5 SD: 15 days GC İRPC® 2Q: Ole 3 & ARO I Major TA : ~1 month 4Q: Ole 2/2 & HDPE Major TA : ~1 month Refinery Plant Major TA : 50 days 4Q: Refinery Plant Major TA: ~1 month 27

View entire presentation