2017. To : The 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

No. B52-201911/001 11 November 2019 Subject: Management Discussion and Analysis - for the three-month period ended 30 September 2019. To: The President of Stock Exchange of Thailand B-52 Capital

June 5th, 2020 Subject : Clarification of the performance of the first quarter 2020, which has changed over 20 % in comparison to the year 2019. To : The director of the Stock Exchange of Thailand

- No. LMJG/SET/2020/019 August 10th, 2020 Subject: Clarification for the change of Operating Results more than 20% Attention: The President The Stock Exchange of Thailand Effects of the COVID-19

President The Stock Exchange of Thailand The Company wishes to present the Management Discussion & Analysis (MD&A) on the operating and financial status for the 2nd quarter of 2020. The MD&A would enable the

(Translated) August 11, 2020 Ref FSS 120/2020 Subject: Clarification of Company’s Operating Result for the six-month period ended June 30, 2020 To The President and Director The Stock Exchange of

: Management Discussion and Analysis for the 2nd Quarter ended 30 June 2020 To: The President The Stock Exchange of Thailand Operating results of S 11 Group Public Company Limited (“the Company”) for the 2nd

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

(Translated) May 12, 2020 Ref FSS 080/2020 Subject: Clarification of Company’s Operating Result for the three-month period ended March 31, 2020 To The President and Director The Stock Exchange of

Limited and its subsidiaries Ref. PDI/BK-BS-022/2020 May 12, 2020 Re: Management Discussion and Analysis (MD&A) For the three-month period ended March 31, 2020 To: President The Stock Exchange of Thailand