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

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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

- Translation - Ref : LPH/SET 2019/007 May 15, 2017 Subject : Clarification on the Operating Results for the three-month period ended March 31, 2019 (Q1/2019) To : President The Stock Exchange of

No. INGRS026 13 June 2019 Subject : Explanation on 3-months financial performance of INGRS for the period ended 30 April 2019 To : The President The Stock Exchange of Thailand Ingress Industrial