specific permission of PTT is strictly prohibited with Future Energy and Beyond Powering Life ทิศทางกลยุทธ์ของ ปตท. CONFIDENTIAL & PROPRIETARY Any use of this material without specific permission of PTT is

DISCLOSURES (TCFD) IMPLEMENTATION  TRUE BECAME AN OFFICIAL TCFD SUPPORTER IN JULY 2021  1/16 COMPANIES IN THAILAND  BENEFITS:  PREVENT & REDUCE BUSINESS RISK  CREATE OPPORTUNITIES  SELF-ASSESSMENT

furnaces to increase the efficiency of heat transfer by radiation process. Hybrid Cement is a new cement type of Portland Composite Cement where:  The formula has been developed by reduce clinker ratio from

Office of the Securities and Exchange Commission No. SorKhor/Nor. 37/2550 Re: Relaxation on Calculation and Announcement of Net Asset Value of Mutual Funds Investing in Equity Instruments Issued by PTT

MB. As the company has complied with efficiency management plan that help company reduce costs of sales and selling expenses. Please be informed. Yours Sincerely, Mr. Panya Boonyapiwat Chairman

company to reduce credit guarantee to International Commercial Coordination (Hong Kong) Limited from HKD 1,500,000.- to the balance amount of HKD 500,000.- to Bangkok Bank Plc. (Hong Kong branch), according

business 10.68 million Baht. In the 2nd quarter of 2017, the average selling price of construction materials would reduce by 3 per cent and sales volume decreased 16 per cent. Due to higher competition and

fuel (H2, SMR) • Retrofit CCUS expansion • Operate hydrogen value chain commercially • Measure, offset and report 02 CARBON NEUTRAL 2040 01 Reduce carbon emissions intensity by 10% and Increase RE

Company’s land To: The President The Stock Exchange of Thailand The Board of directors meeting # 8/2019 held on June 4, 2019 has a resolution to sell a piece of land to increase liquidity and reduce the

Exchange Commission No. SorKhor/Nor. 37/2550 Re: Relaxation on Calculation and Announcement of Net Asset Value of Mutual Funds Investing in Equity Instruments Issued by PTT Public Company Limited By virtue