SAAM Energy Development Public Company Limited - 1 - 12 May 2020 Subject: Management Discussion and Analysis for the period ended 31 March 2020 To: The President The Stock Exchange of Thailand SAAM

1 Ref: AC.006/2019 25 February 2019 Subject: Management discussion and analysis of financial position and operating results To: President and Manager The Stock Exchange of Thailand Overall operating

1 Ref: AC.008/2020 25 February 2020 Subject: Management discussion and analysis of financial position and operating results To: President and Manager The Stock Exchange of Thailand Overall operating

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

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

President The Stock Exchange of Thailand Rajthanee Hospital Public Company Limited (“the Company”) would like to clarify the operating results of the Company and its subsidiaries for the 2nd quarter of 2018

Page 1 of 4 No. RJH – SET 10/2018 12 November 2018 Subject : Management Discussion and Analysis for the 3rd quarter of 2018 ending September 30, 2018 To : The President The Stock Exchange of Thailand

, 2018 To : President The Stock Exchange of Thailand K. W. Metal Work Public Company Limited (the “Company”) would like to submit management discussion and analysis for the quarter ended September 30, 2018

1 Ref: AC.034/2019 4 November 2019 Subject: Management discussion and analysis of financial position and operating results To: President and Manager The Stock Exchange of Thailand Overall operating

- 1 - AIT (VP-SEC) 005E/2019 February 26, 2019 Subject: Management's Discussion and Analysis of Operating Results for the year 2018 and Q4-2018 To: The President of the Stock Exchange of Thailand