, Prachuab Ujjin ( Mr. Prachuab Ujjin ) Director and Chief Executive Officer

attached herewith. Please be informed accordingly. Yours faithfully, For and on behalf of Diamond Building Products Public Company Limited (Mr. Satid Sudbuntad) Chief Executive Officer Company Secretary

quarter of 2019 (a copy in Thai and English) Please be informed accordingly. Sincerely yours, (Mr. Aloke Lohia) Group CEO Indorama Ventures Public Company Limited Company Secretary Tel: +662 661 666 Fax

Company’s Board of Directors approves the Company and/or subsidiary companies to enter into the transaction. Please be informed accordingly. Sincerely yours, M.K. Real Estate Development PCL -SIGN- (Mr

informed accordingly. Yours faithfully, For and on behalf of Diamond Building Products Public Company Limited (Mr. Satid Sudbuntad) Chief Executive Officer Company Secretary Office Tel. +66 3622 4171-8 Ext

quarter of 2020 (a copy in Thai and English) Please be informed accordingly. Sincerely yours, Mr. Aloke Lohia Group CEO Indorama Ventures Public Company Limited Company Secretary Tel: +662 661 6661 Fax

quarter of 2020 (a copy in Thai and English) Please be informed accordingly. Sincerely yours, (Mr. Aloke Lohia) Group CEO Indorama Ventures Public Company Limited Company Secretary Tel: +662 661 6661 Fax

Management Types of Securities Transaction Date Amount Average Price (baht) The methods of Acquisition/Disposition Remark GLOBAL GREEN CHEMICALS PUBLIC COMPANY LIMITED (GGC) Mr. CHANASIRI VANIT Reporter Common

first opportunity but not later than two years as from the effective date of this Notification. Notified this 1st day of October 2018. (Mr. Rapee Sucharitakul) Secretary-General Office of the Securities

(NC) Mr. BOONPAKORN CHOKVATHANA Spouse / Cohabiting Couple (Mrs. CHAMNEAN CHOKVATHANA) Common Share 08/03/2021 3,700 9.15 Purchase Link NEWCITY (BANGKOK) PUBLIC COMPANY LIMITED (NC) Mrs. CHAMNEAN