หนังสือแสดงการรับทราบความผิด 11 May 2018 Subject : Management Discussion and Analysis of the first quarter 2018 ended 31 March 2018 Attn. : Director and Manager The Stock Exchange of Thailand Encls

Microsoft Word - MD&A 1Q2018-E R.doc Ref: CSO 024/2018 Date: 14th May 2018 Subject: Management Discussion and Analysis Quarter 1 Ending 31st March 2018 Attention: President The Stock Exchange of

51-E 1/2 RC 51/18 8 August 2018 Subject : Report on the Company’s operating results for the second quarter of the year 2018 Attention : President of the Stock Exchange of Thailand The Board of

9 August, 2018 Re Explanation and analysis of the Management for the 2nd. quarter of 2018 ended 30 June 2018 To Director and Manager, Stock Exchange of Thailand Whereas the Meeting No. 4/2561 of the

1/2 RC 57/18 6 November 2018 Subject : Report on the Company’s operating results for the third quart er of the year 2018 Attention : President of the Stock Exchange of Thailand The Board of Directors

12 November, 2018 Re Explanation and analysis of the Management for the 3rd. quarter of 2018 ended 30 September 2018 To Director and Manager, Stock Exchange of Thailand Whereas the Meeting No. 5/2561

14 November 2019 Re Explanation and analysis of the Management for the 3rd. quarter of 2019 ended 30 September 2019 To Director and Manager, Stock Exchange of Thailand Whereas the Meeting No. 4/2562

/2563 13 May 2020 Re Explanation and analysis of the Management for the 1st quarter of 2020 ended 31 March 2020 To Director and Manager, Stock Exchange of Thailand The Company would like to submit

June 5th, 2020 Subject : Clarification of the performance of the first quarter 2020, which has changed over 20 % in comparison to the year 2019. To : The director of the Stock Exchange of Thailand

-4124 MMS-AC63/039 August 7, 2020 Subject: Management Discussion and Analysis of Operating Results for 2Q20 ending June 30, 2020 To: The President Stock Exchange of Thailand Matching Maximize Solution