AWARDS AND RECOGNITIONS 10 PTT GLOBAL CHEMICAL PUBLIC COMPANY LIMITED Form 56-1 One Report 2021 Our outstanding performance in the economic, social and environmental dimensions in 2021 has been recognized by leading organizations in both national and international levels. Dow Jones Sustainability Indices (DJSI) GC has been ranked as the first in the 2021 Dow Jones Sustainability Indices (DJSI) in the chemicals sector for three consecutive years and also ranked among the top 10 companies in the DJSI World and Emerging Markets Index for the ninth consecutive year. UN Global Compact LEAD GC is 1 of 38 organizations across the world that has been recognized as Global Compact as Lead level since 2016 dr i ven by commi tment on con t i nuou s i mp r o v emen t t ha t expanding throughout supply chain to supporting to achieve SDGs. Carbon Disclosure Project (CDP) GC has been rated at Leadership Level in Water Security (A Level) and env i r onmen t a l managemen t i n Climate Change (A- Level) by the CDP that is the highest rating in chemicals sector in Thailand. INTERNATIONAL LEVEL Ecovadis Supplier Sustainability Ratings GC has been evaluated in ESG in gold medal by EcoVadis, that the score is 70 with percentile at 97, has been ranked Top 3% in the Commodity Chemicals sector. MSCI ESG Rating GC has been listed in Top 10th of rating the Commodity Chemicals sector by MSCI. The assessment represents how GC gains investor conf idence by running its operations in accordance with the Environmental, Social and Governance (ESG) principles. International Sustainability & Carbon Certificate GC subsidiaries (2 plants) i.e., olefins cracker plant and polyethylene plant, have been certified in sustainability and carbon reduction (ISCC PLUS) by International Sustainability & Carbon Certificate. This proves that GC have commitment and plan to transform the corporate to support bio-economy and circular economy. The Asset Awards GC received Platinum Award for ESG from the Asset Awards 2021, which organized by The Asset magazine, a regional leading financial magazine in Asia.