GC_ONE REPORT 2021_ENG

OCTOBER 21, 2021 NOVEMBER 8, 2021 GC GROUP TARGETED “TOGETHER TONET ZERO” GOALS, DRIVING BUSINESS FOR STRONG AND SUSTAINABLE GROWTH WHILE SERVICING CUSTOMERS GC announced its goal of “Together To Net Zero” which aligns GC with the Paris Agreement. GC aims to reduce Greenhouse Gas (GHG) emission by 20% by 2030 on the journey to achieving net zero by 2050. The 3 pillars are 1. Efficiency-driven: lowering GHG by 20% by ensuring the least GHG emission through modifying current and future manufacturing process and applying new technologies; 2. Portfolio-driven: reducing GHG by 25% by restructuring future business lines to focus on environmentally friendly low-carbon businesses, such as performance chemicals, biochemicals, green and recycling businesses; and 3. Compensation-driven: reducing GHG by 55% by using various methods and streamlined technologies to compensate for the remaining carbon. The effort is an important milestone for GC in highlighting its “Chemistry for Better Living” concept. GC strives to drive the business in a long-term oriented way by prioritizing the balance between the environment, society, and corporate governance as well as integrating circular economy principles that align with sustainable development goals. Its net zero goal reflects its aim to become a global leader in the chemical industry in the future. Believing that the net zero goal requires effort from all sectors, GC is ready to collaborate with global partners to reduce GHG emission, helping the world to reach the net zero goal together. GC EXPRESSED ITS NET ZERO VISION IN THE “THAILAND MINISTER’S CLIMATE TALK AND BUSINESS LEADERS TO SHARE VISION AND EXPERIENCES ON NET-ZERO TRANSFORMATION” ON COP26 On November 8, 2021, representatives from Thailand and the Thailand Carbon Neutral Network (TCNN) organized an online event alongside the UN Climate Change Conference (COP26) at the Thai Pavilion in Glasgow, Scotland. GC shared its vision in the “Thailand Minister’s Climate Talk and Business Leaders to Share Vision and Experiences onNet-Zero Transformation” to showcase its commitment in collaborating with the public and private sectors to reach net zero. GC highlighted its use of circular economy principles to run its business and its goal to produce chemical products that are environmentally friendly to improve people’s lives. With its decarbonization goal to achieve net zero goal in 2030 which aligns with the Paris Agreement, GC stives to reduce GHG emission by 20% by 2030 on the way to achieving net zero by 2050. GC intends to meet the challenge through the 3 pillars which are Efficiency-driven, Portfolio-driven and Compensation-driven. The COP26 was held from October 31, 2021, to November 12, 2021, and attended by leaders from 196 countries to discuss guidelines and agreements to prevent a 1.5 degree Celsius rise in global temperature and to prevent global impacts of natural disaster. Being one of ten countries affected by climate change, Thailand is determined to urgently develop and elevate climate change solutions to achieve carbon neutrality by 2050 and zero emissions by 2065. 20 PTT GLOBAL CHEMICAL PUBLIC COMPANY LIMITED Form 56-1 One Report 2021

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