Investor Update April 2022

ptt Key Activities in 4Q2021 Future Energy Arun Plus JV (51%) with GPSC to establish "Nuovo Plus" to support battery business value chain JV (60%) with FOXCONN to establish "Horizon Plus" to operate the electric vehicle manufacturing business Establishment of ReAcc to be the trading platform for clean energy and climate neutrality PTTEP Beyond JV (30%) with Gulf & Chec Oversea for operating Laem Chabang port phase III Increase stake to 37% in Lotus Pharmaceutical and investment in Adalvo (60%) • • A cap of NGV price at 15.59 baht/kg from 15 Nov 21 for private and other vehicles and 13.62 baht/kg for taxi from 1 Nov 21 until 15 Jun 22 Divestment of East Mediterranean Gas S.A.E (operate gas pipeline business in Egypt) with the total amount of approximately USD 50 mn ptt NGV DIVESTMENT OR Acquisition of 25% stakes in the Concession Area C exploration block in UAE Established 3 subsidiaries to support future investment in renewable energy - FutureTech Energy Venture & FutureTech Solar (Thailand) : Solar thermal - Delta Gas Transportation: Gas to power ORZON Establishment of ORZON VENTURES to invest in high-potential startup companies in Thailand and Southeast Asia KOUEN SUSHI BAR KAMU KAMU かむかむ Investment 25% in KAMU & KOUEN Global Cuisine to strengthen OR's food and beverage business 7

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