Quarterly Ending March 31, 2018 To : The President The Stock Exchange of Thailand The Board of Directors meeting of Ratchaphruek Hospital Public Company Limited (the Company) No. 2/2018 dated May 10, 2018

of Thailand The Board of Directors meeting of KGI Securities (Thailand) Plc (“the Company”), No.1/2019, held on 20th February 2019, approved the audited financial statements, including the consolidated

and Analysis for Year Ending December 31, 2018 To : The President The Stock Exchange of Thailand The Board of Directors meeting of Ratchaphruek Hospital Public Company Limited (the Company) No. 1/2019

the reviewed Financial Statement for the Quarter 3/2019 ending 30 September 2019 which had been reviewed by Certified Auditor and has been approved by the Board of Director. Food and Drinks Public

Exchange of Thailand The Board of Directors meeting of KGI Securities (Thailand) Plc (“the Company”), No.1/2020, held on 19th February 2020, approved the audited financial statements, including the

Discussion and Analysis for Year Ending December 31, 2019 To : The President The Stock Exchange of Thailand The Board of Directors meeting of Ratchaphruek Hospital Public Company Limited (the Company) No. 1

Exchange of Thailand Please find the Audited Financial Statement for the year ended 31 December 2019 which had been audited by Certified Auditor and has been approved by the Board of Director. Food and

sales has decreased of Baht 809.1 million, due to sales volume of Particleboard has decreased 21%. The average price of MDF Board and Particleboard have decreased 11% and 8% respectively. 2. Cost of sales

the year ended December 31, 2019 To Director and Manager the Stock Exchange of Thailand According to the Board of Directors’ Meeting No.2/ 2 0 2 0 of DOD Biotech Public Company Limited ( “ the Company

) August 9, 2017 Re : Report the operating result for the year ended June 30 ,2017 by more than 20 percent. To : Director and Manager the Stock Exchange of Thailand Approved by the Board of Directors of