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

estimated average capital expenditure (excluding new investment) at approximately Baht 1,000 million per year and the expected EBITDA margin to be around 18-20%. _____________________ Please be informed

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

of our five foundations. _____________________ Please be informed accordingly Sukit Ngamsangapong Authorized person to disclose information

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

. _____________________ Please be informed accordingly Sukit Ngamsangapong Authorized person to disclose information

www.interpharma.co.th Inter Pharma Public Company Limited 140/9 ITF Tower, 9th Floor, Silom Road, Suriyawongse, Bangrak, Bangkok 10500, Thailand. Tel. 02-634-0225 Fax 02-634-0135 www.interpharma.co.th Please be informed