ที่ BCH No. BCH.211/2017 8 November 2017 Subject : Explanation of the change in operating results of Q3/2017 which exceed 20% To : The President The Stock Exchange of Thailand Bangkok Chain Hospital

10 November 2017 Subject: Management Discussion & Analysis for 3th quarter ending 30 September 2017 (Rev1) To: The President The Stock Exchange of Thailand Harn Engineering Solutions Public Company

1 10 November 2017 Subject: Explanation of operating result in the financial statement ended 30 September 2017 To: Directors and Managers of the Stock Exchange of Thailand With reference to the

November 28, 2005 No. 13 /2017 November 13, 2017 President The Stock Exchange of Thailand 93 Ratchadapisek Road, Dindaeng, Bangkok 10400 Subject : Clarification of the operating result. Dear sir, We

. 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 Limited

year. Dear Directors and Managers The Stock Exchange of Thailand, C.I. Group Public Company Limited hereby reports financial statements for the third quarter ended 30 September 2017 as follow; Revenue

ชี้แจงผลQ3_60_en (Translation) August 15, 2017 Subject Clarification of performance difference of the 3rd quarter for the year 2017 from the same period of last year Attention The President The Stock

Page 1 of 2 No. ACC6101/003 January 22, 2018 Subject: Approval to enter into Contract to buy and sell of Land To: President The Stock Exchange of Thailand According to the Board of Director’s Meeting

Page 1 of 2 No. ACC6101/003 January 22, 2018 Subject: Approval to enter into Contract to sell of Land (Revised) To: President The Stock Exchange of Thailand According to the Board of Director’s

1 12 February 2018 Subject: Explanation of operating result in the financial statement ended 31 December 2017 To: Directors and Managers of the Stock Exchange of Thailand With reference to the