Board’s resolution. The Board of Directors certifies that all information contained in this Information Memorandum is true, complete and accurate in all respects. Enclosure Page 15 Please be informed

complete and accurate in all respects. Sincerely yours, (Mr. Somchai Meesen) Chief Executive Officer

from the 1Q19 catalyst turnaround at our EO-EG facility in USA and due to the plummeting MEG margins in Asia although cushioned by the lower cost USGC economics. On the other hand, our Purified EO (PEO

information contained in this Information Memorandum is true, complete and accurate in all respects. Please be informed accordingly. Yours sincerely, (Mr. Somchai Meesen) Chief Executive Officer

member in the Audit Committee has different opinion from such Board’s resolution. The Board of Directors certifies that all information contained in this Information Memorandum is true, complete and

report form is accurate and complete in all respects. _______________________________________ (Mr.Wijit Techakasem) Managing Director

a stake in KTMS shall decrease from 18.7 percent to 8.7 percent in accordance with the Notification. For elimination of the conflict of interest, the Company shall complete by 1 April 2020. Page 6/19

, Butane, and Methanol; Asia Industry Spreads based on 100% PET integration from Naphtha 3 1Q21 performance by our 3 business segments: Fibers The Fibers segment made a positive start to 2021 with strong

, located in Hemaraj Eastern Industrial Estate (Map Ta Phut), Rayong Province. (Translation) - One Central Utility Plant (CUP 4), which is currently under construction, located in Asia Industrial Estate

(including the amendments thereof) (“Notifications on Connected Transactions”). The Company speculates that the payment of shares and the transfer of the ordinary shares of KPN Academy will be complete by the