and Analysis Quarterly Ending June 30, 2020 To : The President The Stock Exchange of Thailand The Board of Directors meeting of Ratchaphruek Hospital Public Company Limited (the Company) No. 4/2020

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27 April 2021 To: The President The Stock Exchange of Thailand Re: Q1-2021 Operating Results We, Delta Electronics (Thailand) Public Company Limited (the “Company”) would like to notify the Company’s

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Analysis Quarterly Ending March 31, 2020 To : The President The Stock Exchange of Thailand The Board of Directors meeting of Ratchaphruek Hospital Public Company Limited (the Company) No. 3/2020 dated May 9

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1 No. KK ELCID 2563/003 November 11, 2020 Subject: Management Discussion and Analysis for the third quarter ended September 30, 2020 To: President The Stock Exchange of Thailand K&K Superstore