Attn : The Directors and The MAI Manager Ref: Dimet ACC 1711/001 November 9, 2017 Attention: The Directors and The MAI Manager The Stock Exchange of Thailand Subject: Report on Q1’s performance Dear

661 6664-5 www.indoramaventures.com Ref.No.IVL002/07/2019 30th July 2019 President The Stock Exchange of Thailand Subject: Acquisition of Speciality Fibers Business of Sinterama Indorama Ventures Public

…………………………………….……… - provide a statement that the information in form 69-SUPPLEMENT-FD submitted to the Office of the Securities and Exchange Commission is considered to be a part of form 69- BASE-FD which becomes effective on

MATI 03/2563 February 28, 2020 Subject Report on Year End Period Consolidated Financial Statement which ended on December 31, 2019 To Director and Manager The Stock Exchange of Thailand Matichon

- Translation - Ref : LPH/SET 2018/014 May 11, 2018 Subject : Clarification on the Operating Results for the three-month period ended March 31, 2017 (Q1/2017) To : President The Stock Exchange of

) May 9, 2018 Re : Report the operating result for the year ended March 31 ,2018 by more than 20 percent. To : Director and Manager the Stock Exchange of Thailand Approved by the Board of Directors of

Esthetics under Trademark “Wuttisak” Attn. to: President The Stock Exchange of Thailand Refer to: Letter of FVC Ref. No. SET-2560-025 “Transaction to Acquire Franchise Wuttisak 25 Branches from Total 113

” 25 Branches from Total 119 Branches in order to Operate Medical Service Business for Healthcare and Esthetics under Trademark “Wuttisak” Attn. to: President The Stock Exchange of Thailand Refer to: 1

exceed 20% To : The President The Stock Exchange of Thailand Bangkok Chain Hospital Public Company Limited (the “Company”) would like to report the operating results of the Company and its subsidiaries for

exceed 20% (Revised) To : The President The Stock Exchange of Thailand Bangkok Chain Hospital Public Company Limited (the “Company”) would like to report the operating results of the Company and its