Page 1 of 2 Ref. PDI/BK-BS-41/2018 11 th May 2018 To: President The Stock Exchange of Thailand Re: Clarification on Company’s performance of the 1 st Quarter 2018 For the first quarter of 2018

Hospital Public Company Limited received share of loss from investment in associated company in the amount of 103.79 in 2020 but it had share of profit in the amount of 23.46 million baht in 2019. Unit

director of the Stock Exchange of Thailand Ramkhamhaeng Hospital Public Company Limited would like to clarify the operation results, as follows: 1. Ramkhamhaeng Hospital Public Company Limited and its

Public Company Limited received share of profit from investment in associated company 139.52 million baht while it had highly to 192.35 million baht in 2017. The details are as follows: Unit : Million baht

treatment 13.70 21.38 3. Ramkhamhaeng Hospital Public Company Limited received share of profit from investment in associated company in the amount of 118.38 and 109.05 million baht in 2019 and 2020. Unit

February 28th, 2020 Subject : Clarification of the net profit of the year 2019, which has changed over 20 % in comparison to the Year 2018 To : The director of the Stock Exchange of Thailand

(excluding share of profit from investments in associates) of the Company and its subsidiaries. V Net Profit (Unit: Million Baht) 2019 2018 Change Change (%) Net Profit 2,854 3,798 (944) (25) In 2019, the

ที่บชง Page 1 of 4 Ref. Bor Chor Ngor 0280/2019 13 August 2019 Subject: Management Discussion and Analysis for the Second Quarter ended 30 June 2019 To President The Stock Exchange of Thailand

ที่บชง Page 1 of 4 Ref. Bor Chor Ngor 0140 /2020 13 May 2020 Subject: Management Discussion and Analysis for the First Quarter ended 31 March 2020 To President The Stock Exchange of Thailand Quality

ที่บชง Page 1 of 4 Ref. Bor Chor Ngor 0154 /2018 10 May 2018 Subject: Management Discussion and Analysis for the First Quarter ended 31 March 2018 To President The Stock Exchange of Thailand Quality