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

(Unreviewed) To : President The Stock Exchange of Thailand Ratchthani Leasing Public Company Limited would like to clarify the management discussion and analysis for the third quarter ended 30 September 2017

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

performance for 3-month period ended September 30, 2017. To Managing Director The Stock Exchange of Thailand The Operating results of the company and its subsidiaries for the 3-month period ended September 30

November 10, 2017. Re: Management Discussion and Analysis for the period 3 months September 30, 2017. To: The Registrar, Stock Exchange of Thailand. Patkol Public Company Limited : Management

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

YONG THAI PUBLIC COMPANY LIMITED 633/14 Sathupradit Road, Yannawa, Bangkok 10120 Thailand Tel. (662) 2943364-8, Fax : (662) 2943373 YTC 31/2017 November 13, 2017 To : The President The Stock Exchange