financial statements for the three-month period ended 31 March 2019 and 2020 Revenues Q1/20 Q1/19 Change +/(-) Revenue from hotel operations 232 367 (36.9) Revenue from property development operations 238 115

Microsoft Word - I-!9%*#8˙I-*ˇ@( Blue Sky 20200929 EN_MDA Quarterly - Translation - 1 ACC-O-2010004 October 1, 2020 To: President The Stock Exchange of Thailand Subject: Management Discussion and

, Samutsakhon 74000 No. DOD43/2563 May 14, 2020 To: The President The Stock Exchange of Thailand (SET) Subject: Management’s Discussion and Analysis for the first Quarter of 2020 DOD Biotech Public Company

Analysis for the second quarter ended June 30, 2020 Attention The President The Stock Exchange of Thailand Attachment Report and interim financial statement for the second quarter ended June 30, 2020

Earth Tech Environment Public Company Limited Page 1 17th August 2020 Subject Management Discussion and Analysis Financial Performance for the quarter ended 30th June 2020 To President The Stock

November 11, 2020 Subject: Management’s Discussion and Analysis for the third quarter of 2020 To: The President The Stock Exchange of Thailand (SET) DOD Biotech Public Company Limited and its subsidiaries

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

September 30, 2019 To The President The Stock Exchange of Thailand Management’s Discussion and Analysis Consolidated Financial Statements For nine months ended September 30, 2019 Overall Group Performance

December 2019 To : The President The Stock Exchange of Thailand Bangkok Chain Hospital Public Company Limited (the “Company”) would like to report the operating results for year ended 31 December 2019 which

2020 To : The President The Stock Exchange of Thailand Bangkok Chain Hospital Public Company Limited (the “Company”) would like to report the operating results for the first quarter ended 31 March 2020