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

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

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

statement as of June 30, 2017 and the Company’s unstable profitability and unfavorable of steel industry which caused the Company might not be able to receive source of funds from other financial institutes

on its current financial statement as of June 30, 2017 and the Company’s unstable profitability and unfavorable of steel industry which caused the Company might not be able to receive source of funds

18.90% increased, while sale revenue only increase by 11.06% results in less profit margin compare to the year 2017 at 24.25 million baht, due to the unstable of production cost of new production line

หนังสือออกภายนอก (Thai) 1 หน้า (Translation) Ref. 10000400/ 245 /17 November 30, 2017 Subject Notification of connected transaction relating to assets or service for the purchase of land from PTT

remaining of ongoing projects from backlog of 2017 which main income such as PTT TANK project, PTT LNG Cold Water project, and PTT Wangnoi Compressor Station project (PTT WCS). The proportion of revenue

gains and overweigh losses. But the same outcome can be framed as a gain or a loss depending on the choice of reference point. So consumer choice can be unstable and vary depending on which reference

Disclosure of Information and other acts of Listed Companies. 2) Resolved the transfer of Piperack ownership to PTT Global Chemical Public Company Limited, who is a related person of Vinythai, having its value