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

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

Ref. No. IVL [002/08/2019] 8 August 2019 The President The Stock Exchange of Thailand Subject: Submission of Quartely Review of Financial Statements and the Management Discussion and Analysis of

- 1 - AIT (VP-SEC) 024E/2019 August 8, 2019 Subject: Management's Discussion and Analysis of Operating Results for Q2-2019 To: The President of The Stock Exchange of Thailand Summary of Operations Q2

Management Discussion and Analysis for the second quarter ended June 30, 2019 Attention The President The Stock Exchange of Thailand Attachment Report and interim financial statement for the second quarter

1 IDH-AC-000-อส6208/22.00 9 August 2019 Re: Management Discussion and Analysis Operating results for the three-month and six-month period ended 30 June 2019 To: President The Stock Exchange of

November 12, 2004 1/5 No: SN. 064/2019 Aug 9, 2019 Subject: Clarification of Operating Results and Financial Status of Quarter 3 ended June 30, 2019 Attention: President The Stock Exchange of