2nd quarter of 2020 and 6-month period ended 30 June 2020 To The President The Stock Exchange of Thailand We, Zen Corporation Group Public Company Limited (“the Group”), are pleased to provide you our

Ref. No. IVL 007/05/2018 May 10, 2018 The President The Stock Exchange of Thailand Subject: Submission of Annual Audited Financial Statements and the Management Discussion and Analysis of Indorama

the director of the company and member of the Audit Committee To Director and Manager The Stock Exchange of Thailand Reference is made to the resolutions of the Board of Director Meeting No. 3/2019 of

Extraordinary General Meeting of Shareholders No.1/2019 (EGM 1/2019) To: The President of the Stock Exchange of Thailand Attachment: 1. Information Memorandum of the Purchase and Acquisition of Entire Business

ที่ FPI Ref. FPI.011/2019 14 November 2019 Subject : Management Discussion & Analysis of Performance Results of Quarter 3/2019 To : Board of Directors and President of The Stock Exchange of Thailand

Ref: UWC 025/2562 November 13, 2019 Subject: Management Discussion and Analysis 3rd Quarter ended September 30, 2019 To: President The Stock Exchange of Thailand Ua Withya Public Company Limited

Operation of the Year 2019 Attention: Directors and Manager, The Stock Exchange of Thailand N.D. Rubber Public Company Limited (“the Company”) would like to present the MD&A for the Three- Month and Twelve

No. CAZ 002/2019 26 February 2019 Subject: Management Discussion and Analysis Year ended 31 December 2018 Attention: The President The Stock Exchange of Thailand CAZ (Thailand) Public Company Limited

explanation and analysis Quarter 1/2020 ending 31 March 2020 Attention: The President of, The Stock Exchange of Thailand ZIGA Innovation Public Company Limited (“the Company”) would like to clarify operating

13 November 2020 Subject Management Discussion and Analysis for the Nine months ended September 30, 2020 To The President The Stock Exchange of Thailand Do Day Dream Public Company Limited (the