GC_ISR_2021

General Standard Disclosures General Standard Disclosures Page number(s), URLs and/or direct answers Omissions External Assurance GRI 415: Public Policy 2016 GRI 103: Management Approach 2016 GRI 103-1 - https://sustainability.pttgcgroup.com/en/economy/organization-contributions - - GRI 103-2 - https://sustainability.pttgcgroup.com/en/economy/organization-contributions - - GRI 103-3 - https://sustainability.pttgcgroup.com/en/economy/organization-contributions - - GRI 415: Public Policy 2016 GRI 415-1 - https://sustainability.pttgcgroup.com/en/economy/organization-contributions - - GRI 416: Customer Health and Safety 2016 GRI 103: Management Approach 2016 GRI 103-1 - 141 - https://sustainability.pttgcgroup.com/en/environment/product-stewardship/ product-stewardship-strategy - - GRI 103-2 - 141-144 - https://sustainability.pttgcgroup.com/en/environment/product-stewardship/ product-stewardship-strategy - https://sustainability.pttgcgroup.com/en/environment/product-stewardship/ life-cycle-assessment - https://sustainability.pttgcgroup.com/en/environment/product-stewardship/ hazardous-substance-management-and-performance - - GRI 103-3 - 149-153, 163 - - GRI 416: Customer Health and Safety 2016 GRI 416-1 - 153 - https://sustainability.pttgcgroup.com/en/environment/product-stewardship/ life-cycle-assessment - https://sustainability.pttgcgroup.com/en/environment/product-stewardship/ hazardous-substance-management-and-performance - - OG13: Asset Integrity and Process Safety 2016 GRI 103: Management Approach 2016 GRI 103-1 - 179, 180 - https://sustainability.pttgcgroup.com/en/society/ occupational-health-and-safety/process-safety-management - - GRI 103-2 - 179, 180 - https://sustainability.pttgcgroup.com/en/society/ occupational-health-and-safety/process-safety-management - - GRI 103-3 - 179, 180 - https://sustainability.pttgcgroup.com/en/society/ - occupational-health-and-safety/process-safety-management - - OG13: Asset Integrity and Process Safety OG13 (OGSD) - https://sustainability.pttgcgroup.com/en/society/ - occupational-health-and-safety/process-safety-management - Note: • This report is included external verification on Limited Assurance from LRQA assurance (GRI Standards, in accordance with the Core option) • OGSD = Oil and Gas Sector Disclosure • = Received external assurance • - = No external assurance (page LRQA assurance) 271 INTEGRATED SUSTAINABILITY REPORT 2021 รายงานความยั่งยืนแบบบูรณาการ ประจำ �ปี 2564 FINANCIAL HIGHLIGHTS OUR STRATEGY IN ACTION APPENDIX ABOUT THIS REPORT OUR BUSINESS

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