Investor Presentaiton

PTT Group: Upcoming Projects 5th onshore pipeline (Phase I, II & III) ptt ~ Length 430 KM. LNG Terminal 2 7.5 MTPA Increased stake in Lotus pharmaceutical Entering into pharma business PTT hold ~37% ptt GSP #7 (460 MMSCFD) Replace GSP #1 Plant-based manufacturing (3 KTA) GPSC ERU Project (Power 250 MW) Thatoil Clean Fuel Project (275 → 400 KBD) GC Ole 2 Modification Plant Project Feed flexibility (propane) EV manufacturing (JV with Foxconn) *Arun+ holds 60% ptt Completed In progress Wait for FID Total Capacity 150,000 units/year ptt Algeria HBR (Phase I) Sabah H *PTTEP hold in Rotan field 56.0% and Remaining Area 42% Gas: 270 MMSCFD (100% project) Oman Block 61 *PTTEP hold 20.0% Gas: 1.5 Bcf (100% project) PTTEP MTP Retrofit (Olefins Reconfiguration) GC Ethylene 500 KTA, Propylene 250 KTA High value business (Coating Resins): Allnex *GC hold 100% (1,297 KTA) Manufacture and sell Non- Woven Fabric (5.6 KTA) oil:13 KBD *PTTEP hold 49.0% PTTEP Changfang & Xidao Project in Taiwan Offshore Wind power: 149 MW equity capacity GPSC hold 25% Ultra Clean Fuel (UCF) Building Competitiveness: Euro 5 diesel GPSC IRPC Innopolymed Company Limited ptt 2025 İRPC 2024 ptt Olefins investment: PT Chandra Asri *TOP hold 15.38% (4,243 KTA) Thaioil Battery Semi-Solid Plant (30 MWh) Avaada Project in India GPSC Solar Power: 1,978 MW equity capacity (1,036 MW in operating/942 MW in progress) GPSC hold 42.93% Central Bakery, Mixed Beverage Powder Plant and Distribution Center OR 2023 2022 2021 8th Gas Separation Plant Produce & Import Ethane (1.07 MTA) Bang Pakong- South Bangkok Pipeline Length Mozambique Area 1 *PTTEP hold 8.5% 13 MTPA or ~300 KBOED Southwest Vietnam *PTTEP hold 7-8.5% 490 MMSCFD or ~80 KBOED ~ 80 KM. PTTEP 48

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