(-Translation-) Ref. No. Sor. Nor. 065/2019 August 9, 2019 Dear The President The Stock Exchange of Thailand Re: The Incorporation of a New Subsidiary Company in Thailand The Board of Directors

Announcement of 2006 Public Holidays HPIR /015 August 13, 2019 Subject : Management Discussion and Analysis of the operating performance for the 2st quarter of 2019 Attention : The President of the

Ref Ref. 2S_BoD013/2019 August 14, 2019 Subject: Clarification of the change in operating result more than 20% To : The president The Stock Exchange of Thailand 2S Metal Public Company Limited (the

increased by 42.45 million baht (from the loss of 10.11 million baht to the profit of 32.34 million baht) as aforesaid. Yours Sincerely, Kittiphat Suthisamphat Executive Vice President

set-q1-61 (Translation) Ref.No.LEE 09/2018 May 14, 2018 Subject : Management Discussion and Analysis for the first quarter ended March 31, 2018 To : President of The Stock Exchange of Thailand We

. Yutaka Ito) President

Our Ref: TL015/02 Our Ref: TL011/18 May 14, 2018 The Stock Exchange of Thailand 93, The Stock Exchange of Thailand Building Ratchadapisek Road, Dindaeng Bangkok 10400 Attention: The President Dear

No. EXE. 009-5-18 14 May 2018 Re: Explanation of Performance of the Financial Statements for the First Quarter 2018 Attention: President The Stock Exchange of Thailand We, Venture Incorporation

: BI.IO.(1) 7/2018 June 6, 2018 President The Stock Exchange of Thailand Dear Sir, Re : Investment of common shares in Perennial HC Holdings Pte. Ltd. On behalf of Bangkok Bank Public Company Limited (“the

661 6664-5 www.indoramaventures.com Ref.No.IVL004/06/2018 19 th June 2018 President The Stock Exchange of Thailand Subject: Formation of Joint Venture in USA with Huvis Global Corporation Indorama