Certified Member of the Collective Action Coalition of Thailand’s Private Sector Collective Action Coalition Against Corruption: CAC)

Year : 2019

By : Thailand’s Private Sector Collective Action Coalition Against Corruption (CAC)

Asian Excellence Award 2018

Year : 2019

1. Asia’s Best CEO 2. Best Investor Relations Company By : Corporate Governance Asia Magazine

For Corporate Bond Issued in 2017 Power Deal of The Year – Highly Commended

Year : 2019

By : The Asset

Water Footprint Certificate

Year : 2019

By : Department of Groundwater Resources and The Federation of Thai Industries

Green Culture Award (4th Level)

Year : 2019

By : Ministry of Industry

Corporate Social Responsibility, Department of Industrial Works (CSR-DIW) Awards 2018

Year : 2019

By : Department of Industrial Works

3Rs and Zero Waste to Landfilll

Year : 2019

By : Department of Industrial Works

Greenhouse Gas Management awards

Year : 2019

1. Thailand Voluntary Emission Reduction Program : T-VER 1 Project 2. Carbon Footprint Product : CFP 1 Project 3. Carbon Footprint Reduction : CFR 1 Project 4. Carbon Footprint For Organization : FEO 4 Projects 5. Low Emission Support Scheme : LESS 5 Projects By : Thailand Greenhouse Gas Management Organization (Public Organization)

Top Innovative Organization Award 2018

Year : 2019

By : National Innovation Agency (Public Organization), in cooperation with Stock Exchange of Thailand (SET), Market for Alternative Investment (MAI) and College of Management, Mahidol University

Best Investor Relation Company Thailand

Year : 2019

By : International Business Magazine

Rated "Excellent" in the Corporate Governance Report of Thai Listed Companies (CGR) and ranked in the Top Quartile of listed companies with market capitalization over THB 10,000 million

Year : 2019

By : The Thai Institute of Directors (IOD)

ASEAN Corporate Governance (CG) Awards, named as one of ASEAN’s 50 listed companies with the best corporate governance practice (Top 50 ASEAN PLCs) at the 2nd ASEAN Corporate Governance (CG) Awards

Year : 2019

By : ASEAN Capital Market Forum (ACMF)

Sustainability Report Award 2018

Year : 2019

By : Thai Listed Companies Association, Securities and Exchange Commission Thailand, and the Thaipat Institute

CFO Innovation Awards 2018

Year : 2019

1. CFO of the Year Excellence in Technology 2. Excellence in Treasury Management Transformation By : CFO Innovation Magazine (Online)

International Finance Awards (Most Innovative Power Company – Thailand)

Year : 2019

By : International Finance Magazine

PTT Group Operational Excellence Award 2017 Awarded

Year : 2017

By : PTT Group Operational Excellence March 30, 2017

Individual Award - Asia’s Best CEO (Investor Relations) and Corporate Award - Best Investor Relations Company,Best Environmental Responsibility Awarded

Year : 2017

By :Corporate Governance Asia Magazine June 9, 2017

ESG 100 Certificate Awarded

Year : 2017

By : Thaipat Institute July 12, 2017

Thailand Voluntary Emission Reduction Program: T-VER Awarded

Year : 2017

By : Thailand Greenhouse Gas Management Organization (Public Organization)September 19, 2017

Carbon Footprint Product: CFP Awarded

Year : 2017

By : Thailand Greenhouse Gas Management Organization (Public Organization) September 19, 2017

Carbon Footprint Reduction: CFR Awarded

Year : 2017

By : Thailand Greenhouse Gas Management Organization (Public Organization) September 19, 2017

Low Emission Support Scheme (LESS) Awarded

Year : 2017

By : Thailand Greenhouse Gas Management Organization (Public Organization) September 19, 2017

Eco Factory Awards Awarded

Year : 2017

By : The Federation of Thai Industries September 27, 2017

Thailand Sustainability Investment (THSI) Awarded

Year : 2017

By : The Stock Exchange of Thailand November 8, 2017

Sustainability Report Award 2017 (Recognition) Awarded

Year : 2017

By : Thai Listed Companies Association, The Securities and Exchange Commission, Thailand and the Thaipat Institute December 14, 2017

Sustainability Report Award 2017 (Recognition) Awarded

Year : 2017

By : Thai Listed Companies Association, The Securities and Exchange Commission, Thailand and the Thaipat Institute December 14, 2017

Environmental Governance (Green Star Award) : Central Utility Plant 1 and Central Utility Plant 3 Environmental Governance (Gold Star Award) : Central Utility Plant 1 and Central Utility Plant 3, for six consecutive years Awarded

Year : 2017

By : Industrial Estate Authority of Thailand

Thailand Voluntary Emission Reduction Program : T-VER Awards

Year : 2016

By Thailand Greenhouse Gas Management Organization

PTT Group Operational Excellence Award 2016

Year : 2016

By PTT Group Operational Excellence

Investors’ Choice Award 2016

Year : 2016

By Thai Investors Association

Best CFO

Year : 2016

By Investment Analysis Association

ESG 100 Certificate

Year : 2016

By Thaipat Institute

Low Emission Supporting Scheme (LESS) Awards

Year : 2016

By Thailand Greenhouse Gas Management Organization

EIA Monitoring Awards 2016

Year : 2016

By Office of Natural Resources and Environmental Policy and Planning

The Corporate Governance Report of Thai Listed Companies (CGR)

Year : 2016

By Thai Institute of Directors

Most Progress in IR Award in South East Asia 2016

Year : 2016

By IR Magazine

Sustainability Report Award 2016 (Recognition Class)

Year : 2016

By Thai Listed Companies Association, Securities and Exchange Commission, and Thaipat Institute

CUP1 Good

Year : 2016

IMS

Year : 2016

โครงการลดมลพิษโรงงานอุตสาหกรรม

Year : 2016

OHSAS

Year : 2016

TPM Autonomous

Year : 2016

TPM Planned

Year : 2016

Zero Unplanned CUP1

Year : 2016

Zero Unplanned CUP2

Year : 2016

สถาบันวิจัยและเทคโนโลยีปตท

Year : 2016

PTT Utility & GE

Year : 2016

Goldstar 2010-2015

Year : 2015

Green Star 2015

Year : 2015

Green Industry

Year : 2013

PTT Group Operational Excellence 2013-2

Year : 2013

PTT Group Operational Excellence 2013

Year : 2013

PTT Group Operational Excellence 2012

Year : 2012

Zero Waste to Landfill

Year : 2012

ISO 9001

Year : 2012

TIS 18001

Year : 2012

CUP1 Excellence

Year : 2011

ISO 14001

Year : 2008