YONG THAI PUBLIC COMPANY LIMITED 633/14 Sathupradit Road, Yannawa, Bangkok 10120 Thailand Tel. (662) 2943364-8, Fax : (662) 2943373 YTC 28/2017 August 15, 2017 To : The President The Stock Exchange

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

1 / 2 IR.019/2017 15 August 2017 Re: Clarification on the change of profit and loss statement To President The Stock Exchange of Thailand T Engineering Corporation Public Company Limited (the

ที่ BCH No. BCH.174/2017 15 August 2017 Subject : Explanation of the change in operating results of Q2/2017 which exceed 20% To : The President The Stock Exchange of Thailand Bangkok Chain Hospital

Ref Ref. HF 0123 / 2017 September 20th, 2017 Subject : Notification of the Resolution of the Board of Directors No.5/2017. To : Director and Manager of The Stock Exchange of Thailand. We, Hwa Fong

Ref Ref. HF 0123 / 2017 September 20th, 2017 Subject : Notification of the Resolution of the Board of Directors No.5/2017. (Additional) To : Director and Manager of The Stock Exchange of Thailand. We

- Translation - LPH/SET/2017/024 October 2, 2017 Subject : Schedule for the date and agenda of the Extraordinary General Meeting of the Shareholders No.1/2017 (Revised) To : President The Stock

The Stock Exchange of Thailand This refers to the Meeting of the Board of Directors of Demeter Corporation Public Company Limited (the “Company”) held on December 16, 2016 resolved to approve the

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

November 9, 2017 Re : Management Discussion and Analysis (MD&A) For Quarter 3 / 2017 Attn : President The Stock Exchange of Thailand Baan Rock Garden Public Company Limited wishes to clarify the Company’s