Sustainable Development

Top-level Most Innovative Knowledge Enterprise Award 2021 Asian Excellence Awards 2021 Best Awards from SET Awards 2021 Communitas Award 2021 for Crab Hatchery Learning Center Project National Innovation Awards 2021 for Social and Environmental Contribution Gulf Sustainability Awards 2021 for H.T.M.S. Underwater Learning Site Project 2021 Role Model Organization Award on Human Rights The Asia Responsible Enterprise Awards (AREA) 2021 รางวัล 2021 Asia-Pacific Stevie Awards ASIAN ESG Award 2021 Golden Peacock Global Award Best Practice Award รางวัล Best CEO Thailand Best Employer Brand Awards 2021

Asset ESG Corporate Awards 2020 SET Awards 2020 ASEAN CG Scorecard 2019 “Excellent” level of CGR 2020 DJSI member for the 7th consecutive year Asia Responsible Enterprise Awards 2020 National Innovation Awards 2020 2020 Role Model Organization Award on Human Rights LESS Award Letter of Recognition 2020 Asia-Pacific Stevie Awards 2020 FTSE4Good Index Series Zero Accident Campaign 2020 Award – Silver level 3G Best Social Empowerment Award 15th ASIAN ESG Award 2019 – The Best of Asia The NACC Integrity Award Golden Peacock Award: Winner Award Global CSR award 2020: Platinum Winner Thailand Best Employer Brand Awards 2020

SET Awards 2019 2019 Thailand Sustainability Investment PADMAMITR+ Awards 2019 An Excellent Level of CG Practices Thailand Energy Awards 2019 2019 Role Model Organization Award on Human Rights DJSI member BAZNAS award 2019: Best CSR Organizer FTSE4Good Index Series for 4th consecutive year Board of the Year Award 2018 The 9th Asian Excellence Award 2019 Stevie Awards 2019: Silver Class Asia Responsible Enterprise Awards 2019 Global CSR Summit and Awards 2019 The NACC Integrity Awards PTTEP’s Petroleum Development Support Base certified with ISO 45001 3G Best CSR Campaign 2019 Best Community Development and Overall CSR Awards Asian Corporate Governance Award 2019 Global CSR Award 2019: Platinum Winner Best Practice Awards 2019 Green Office Award 2561: Excellent Level (G-Gold)

PTTEP receives Sustainability Report Award 2018 in Excellence Category PTTEP Receives Best Investor Relations Accolade at the SET Awards 2018 PTTEP wins 2 awards from ASEAN CG Scorecard PTTEP Receives Top CSR Advocates at Asia Corporate Excellence & Sustainability Awards 2018 PTTEP receives SET Sustainability Award and Thailand Sustainability Investment Award 2018 PTTEP Myanmar Asset certified to ISO 22301 Business Continuity Management System Fifth consecutive year of PTTEP as Dow Jones Sustainability Indices (DJSI) member PTTEP remains constituent member of “FTSE4Good Index Series” for the 3rd consecutive year PTTEP honored with 3 awards from Asian Excellence Awards 2018 PTTEP certified as member of Private Sector Collective Action Coalition against Corruption (CAC) for second consecutive term PTTEP receives 2 CSR Awards from the Asia Responsible Enterprise Awards 2018 PTTEP receives Stevie Award PTTEP’s CSR Initiatives Win Three Awards at 10th Annual Global CSR Summit 2018 and Awards and the Global Good Governance Awards 2018 Sixth consecutive year of PTTEP receiving Asia’s Icon on Corporate Governance Award PTTEP receives award for supporting Pedestrian and Cyclist Safe Zones in Ranong PTTEP receives the Green Office Award in Excellence Level (G-Gold) PTTEP receives 3 awards at the Asia regional level from the Asset Magazine