and Analysis Quarterly Ending September 30, 2018 To : The President The Stock Exchange of Thailand The Board of Directors meeting of Ratchaphruek Hospital Public Company Limited (the Company) No. 4/2018

Ref. 66/2018 November 27, 2018 Subject : Waiver of rights to purchase ordinary shares of Dhipaya Bodin Co., Ltd. To : Director and Manager The Stock Exchange of Thailand The Board of Directors

Discussion and Analysis for the Performance for the year ended 31 December 2019 To: President The Stock Exchange of Thailand The Board of Directors of Electronics Industry Public Company Limited (the “Company

period of 2019 To : The President of the Stock Exchange of Thailand The Company would like to provide details of changes in Profit and Loss as shown in the six-month period ending 30 June 2020 reviewed

วันที่ 14 สิงหาคม 2550 DEMCO Public Company Limited No. Demco AC003/2020 August 14, 2020 Subject : The company’s operating result for the quarter 2/2020 To : The president, The Stock Exchange of

: The Director and Manager of the Stock Exchange of Thailand The Consolidated net profit of Eastern Power Group Public Co., Ltd. (EP) for Q2/2020 is Baht 116.57 million in comparison with net profit of

Stock Exchange of Thailand Seamico Securities Public Company Limited and its subsidiaries (“The Company”) would like to report the consolidated operating result that has been audited by our auditor for

Discussion and Analysis, Quarter 1 Ending 31 March 2020 (4) The Impact of the COVID-19 situation To: President of the Stock Exchange of Thailand Reference: (1) Document no. Tor. For. 4/2020 dated April 10

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

Discussion and Analysis Quarterly Ending September 30, 2020 To : The President The Stock Exchange of Thailand The Board of Directors meeting of Ratchaphruek Hospital Public Company Limited ( the Company) No. 5