No. Exe 034-11-17 November 9, 2017 Re: Explanation of Performance of the Financial Statements for the third Quarter 2017 TO: President The Stock Exchange of Thailand We, Venture Incorporation Public

and Manager The Stock Exchange of Thailand The operating performance for three-month period ended 30 September 2017 of Mahachai Hospital Public Company Limited was highlighted as follow: 1. Company

Our Ref : No.V 07 /2018 February 26,2018 Subject : Explanation for operation of the year 2017 Attn : Managing Director The Stock Exchange of Thailand Varopakorn Public Company Limited would like to

Stock Exchange of Thailand Ekachai Medical Care Public Company Limited (the “Company”) would like to clarify on the operating results for year ended of 31 December 2017 as follows. The operation results

MATI 07/2561 February 27, 2018 Subject Consolidated Financial Report for the year which ended at December 31, 2017 To Director and Manager The Stock Exchange of Thailand Operating income of Matichon

Letter_StockExchange_Nov14 November 14, 2019 The Managing Director The Stock Exchange of Thailand Subject : Management Discussion and Analysis for three month Ending 30 September 2019 Summary on

จดหมายชี้แจงปี61e February 27, 2019 The Managing Director The Stock Exchange of Thailand Subject : Management Discussion and Analysis Ending 31 December 2018 Summary of operating result between 2018

1 - TRANSLATION - KT/PB (Q-Con) 012/2019 May 9, 2019. Attention Managing Director The Stock Exchange of Thailand Subject : Management Discussion and Analysis the first quarter ended 31 March 2019

Our Ref: APURE 008/2019 10 May 2019 Subject Clarification on First Quarter’s Operating Performance (1/2019) Attn. To The Director and President of the Stock Exchange of Thailand The company clarifies

May 13, 2019 SET-19-AC-002 Dear The President The Stock Exchange of Thailand Subject: Clarification of Result’s Operation for the three months ended March 31, 2019 According to the resolution of