-1- AIT (VP-SEC) 016E/2019 May 7, 2019 Subject: Management's Discussion and Analysis of Operating Results for Q1-2019 To: The President of The Stock Exchange of Thailand Summary of Operations Q1

1 (Translation) MD. 083/2019 May 8, 2019 Re: Management Discussion and Analysis For the Operating Results ended March 31, 2019 To: President The Stock Exchange of Thailand Management Discussion and

Ref. No. IVL 002/05/2019 7 May 2019 The President The Stock Exchange of Thailand Subject: Submission of Quarterly Review Financial Statements and the Management Discussion and Analysis of Indorama

-months period ending 31 March 2019 To The President The Stock Exchange of Thailand We, ZEN Corporation Group Public Company Limited (“the Group”), are pleased to provide you our management discussion and

วันที่ 25 กุมภาพันธ์ 2558 May 13, 2019 Subject: Management’s Explanation and Analysis for the 3 months period ended March 31, 2019 Attention: Director and Manager The Stock Exchange of Thailand LDC

Analysis Report of the Financial Positions and Result of Business Operations. To : President of The Stock Exchange of Thailand The Explanation and Analysis Report of the Financial Positions and Result of

1 Ref: AC.016/2019 4 May 2019 Subject: Management discussion and analysis of financial position and operating results To: President and Manager The Stock Exchange of Thailand Overall operating

Stock Exchange of Thailand K. W. Metal Work Public Company Limited (the “Company”) would like to submit management discussion and analysis for the three month-period ended March 31, 2019 with details as

March 31, 2019 To The President The Stock Exchange of Thailand Management’s Discussion and Analysis Consolidated Financial Statements For three months ended March 31, 2019 Overall Group Performance Table

MD&A Eng Q1-19 13-5-19 _1_ 1 Translation UWC 014-2019 May 14, 2019 Subject : Management Discussion and Analysis for quarter 1-2019 To : President of the Stock Exchange of Thailand Ua Withya Public