Page 1 of 4 No. RJH – SET 7/2020 11 May 2020 Subject : Management’s Discussion and Analysis for the First Quarter of 2020 To : The President The Stock Exchange of Thailand Rajthanee Hospital Public

(Translation) UAC.CS/012/2020 May 14, 2020 Subject: Explanation of the operating results for the first quarter period ended March 31, 2020 To: President The Stock Exchange of Thailand Attachment

ที่ บช NO. AC. 02/2020 14 May 2020 Subject: Clarification of changes in operating performance of more than 20% To: The President of the Stock Exchange of Thailand M.K. Real Estate Development Plc

DISCUSSION AND ANALYSIS FOR Q1-2020 • Inventories decreased from THB 238.24 million as at December 31, 2019 to THB 212.99 million as at Q1-2020 due to usage of raw material in stock and impairment of raw

Stock Exchange of Thailand The Board of Director’s meeting No. 3/2020 of General Engineering Public Company Limited (“the Company”) held on May 15, 2020 has approved and verified the financial statements

1 June 30, 2020 Subjects : The acquisition of ordinary shares of APEX Energy Co., Ltd. increased 18.75% Attention : The Director and Manager of the Stock Exchange of Thailand Eastern Power Group

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

Translation DIMET AC 2008/001 August 31, 2020 Subject Management Discussion and Analysis for business operation year 2019 (July 1, 2019 - June 30, 2020) To The Manager and President The Stock

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

-9320 1 Ref: PCL 2020/018 November 14, 2020 Subject: Management Discussion and Analysis for the 9-month period ended 30 September 2020 To: The President of the Stock Exchange of Thailand Panjawattana