- Translation - Ref : LPH/SET 2020/009 May 13, 2020 Subject : Clarification on the Operating Results for the three-month period ended March 31, 2020 (Q1/2020) To : President The Stock Exchange of

The Securities and Exchange Commission (SEC), in collaboration with the Information System Audit and Control Association – Bangkok Chapter (ISACA Bangkok Chapter), the Thailand Information Security

) concerning the establishment of the Capital Market Development Fund (CMDF). This second consultation focuses on revising the CMDF's objectives to include necessary financial support for the Stock Exchange of

Office of Insurance Commission (OIC), the Social Security Office (SSO), the Government Pension Fund (GPF), the Stock Exchange of Thailand (SET), the Federation of Thai Capital Market Organizations (FETCO

Page 1 of 4 No. RJH – SET 11/2019 13 August 2019 Subject : Management’s Discussion and Analysis for the 2nd Quarter of 2019 To : The President The Stock Exchange of Thailand Rajthanee Hospital Public

to the Stock Exchange of Thailand (the “SET”) until the Company and the Purchaser has signed the Land and Buildings sale and purchase agreement and the security deposit as agreed in the amount of THB

- Translation - Ref : LPH/SET 2018/016 August 10, 2018 Subject : Clarification on the Operating Results for the 3-month and 6-month period ended June 30, 2018 (Q2/2018) To : President The Stock

debt instruments (surveillance report – on a monthly basis)) ✓ ✓ 1. Database of SET Smart (the summary of trading and important statistics on debt instruments and bonds from the Stock Exchange) 3

exceed 20% To : The President The Stock Exchange of Thailand Bangkok Chain Hospital Public Company Limited (the “Company”) would like to report the operating results of the Company and its subsidiaries for

- Translation - Ref : LPH/SET 2020/012 August 14, 2020 Subject : Clarification on the Operating Results for the 3-month and 6-month period ended June 30, 2020 (Q2/2020) To : President The Stock