Stock Exchange of Thailand The Company wishes to present the Management Discussion & Analysis (MD&A) on the operating and financial status for the year 2017. The MD&A would enable the investors to better

MD&A Q1_2019 (Eng ) May 2, 2019 Subject : Interim Management Discussion and Analysis of Q1/2019 Attention : President of The Stock Exchange of Thailand We attach herewith the financial statements of

. OCMSET/1907/003 July 30, 2019 Subject: Clarification of the operating results for the six-month period of 2019, change of rate more than 20% Dear: Director and Manager the Stock Exchange of Thailand

MDA Q2_2019 (Eng ) August 9, 2019 Subject : Interim Management Discussion and Analysis of Q2/2019 Attention : President of The Stock Exchange of Thailand We attach herewith the financial statements

MDA Q2_2018 (Eng.) August 7, 2018 Subject : Interim Management Discussion and Analysis of Q2/2018 Attention : President of The Stock Exchange of Thailand We attach herewith the financial statements

MDA Q3_2018 (Eng.) November 7, 2018 Subject : Interim Management Discussion and Analysis of Q3/2018 Attention : President of The Stock Exchange of Thailand We attach herewith the financial statements

1/5 Ref. 4/2019 January 11, 2019 Subject : The acquisition of investment in Ramkhamhaeng Hospital PCL. To : Director and Manager The Stock Exchange of Thailand The Board of Directors Meeting

MD&A Q4_2019 (Eng ) February 19, 2020 Subject : Yearly Management Discussion and Analysis of 2019 Attention : President of The Stock Exchange of Thailand We attach herewith the financial statements

Microsoft Word - MD&A Q1_2020 (Eng ) May 8, 2020 Subject : Interim Management Discussion and Analysis of Q1/2020 Attention : President of The Stock Exchange of Thailand We attach herewith the

MD&A Q2_2020 (Eng ) July 31, 2020 Subject : Interim Management Discussion and Analysis of Q2/2020 Attention : President of The Stock Exchange of Thailand We attach herewith the financial statements