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

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

his/her signature; however, if the cause of such person’s inability to affix signature is the inability to appreciate the nature of one’s act or to control oneself owing to physical or mental illness

illness in Thais, especially heart disease, stroke, cancer and diabetes due partly to the increasing number of elderly; (iii) the increasing proportion of foreign patients coming for medical treatment in

investment privileges and the establishment of an official target for Thailand to become a medical hub and a center for the export of medical devices by 2020; (ii) the rising trend of illness in Thais

is a result of such person being unconscious or unable to control oneself due to a physical illness or a mental disorder, the offeror is not required to have such person affix signature in the

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

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