to investors in private placement, the acquisition of assets and convening the Extraordinary General Meeting of the Shareholders No. 1/2018 (Revise 2) To : President, The Stock Exchange of Thailand

MACO and PlanB would provide opportunities for cost-reduction going forward. The transaction is subject to be approved at the Extraordinary General Meeting on 17 December 2019. Pre Shareholding Structure

of total paid-up capital in TSE Overseas Group Company Limited on 26 April 2018.   - 2 - 3. To propose to the extraordinary general meeting of shareholders for consideration and approval the aquisition

No. For. 20/2018 August 31, 2018 Subject: Notification of the amended Date of the Extraordinary General Meeting of Shareholders No. 1/2018, Record Date to determine name of shareholders who will be

Determination of the Date of Extraordinary General Meeting of Shareholders No. 1/2018 To: President The Stock Exchange of Thailand Enclosures: 1. Information Memorandum on the Offering of Newly Issued Ordinary

, 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

price. (4) In third quarter 2017, the Company electricity sale volume to grid decreased, due to annual maintenance. (5) In third quarter 2016, the Company recorded the extraordinary item which came from

sale be planned to complete within May 2018) which has been in accordance with the approval from Extraordinary General Meeting of shareholders No.1/2017. Please be informed accordingly. Yours sincerely

disposition of assets and connected transaction 2. POST 019/ 2019 dated 16 December 2019 Notification convening date of the Extraordinary General Meeting of Shareholders No. 1/2020 3. POST 003/2020 dated 3

, 2022 according to the resolution of the Extraordinary General Meeting of Shareholders No. 1/2022. หน้า 3 ของ 3 Please be clarified and publish to investors and interested parties. Best Regards, (Mr