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

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

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

1 RP-AC 003/2019 AUGUST 13, 2019 Subject: Clarification of the operating results for the second quarter of 2019 To: Directors and Managers of the Stock Exchange of Thailand Richy Place 2002 Public

Page 1 of 4 No. RJH – SET 11/2019 13 August 2019 Subject : Management’s Discussion and Analysis for the 2nd Quarter of 2019 To : The President The Stock Exchange of Thailand Rajthanee Hospital Public

amount s under sever protection la ness increased t Baht 38.42 cond quarter o f Baht 11.94 ncluding the s serving 20 y nt business in ized exchange cost x-month of 20 period of last est expenses o f Baht

1 Ref: AC.024/2019 3 August 2019 Subject: Management discussion and analysis of financial position and operating results To: President and Manager The Stock Exchange of Thailand Overall operating