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

operating performance for 30 September 2017 as the following. Key Financial Information on 30 September 2017 , 2016 (Unit : thousands) Statements of Income Separate financial statements 30 September 2017 30

2 มิถุนายน 2554 620/5 Moo 11 Nongkham, Sriracha, Chonburi 20230 Thailand Tel. 66-38 480-020-1 FAX. 66-38 480-080 (TRANSLATION) AF. 029 / 2017 November 9, 2017 Subject Explanation of the operating

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

(Auto 11 Lines) Fax: +66(0)2-192-3744 Page 1 of 1 -Translation- No. ED-MD17-033 13 th November 2017 Subject: Clarification of changes in excess of 20% in the operating results for Q3/2017 To : Director

Construction Products Public Company Limited (“Q-CON”) would like to clarify the main reason that caused operating result for 2017 changed more than 20 percent that of 2016. Q – CON and subsidiary have net

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

(Auto 11 Lines) Fax: +66(0)2-192-3744 Page 1 of 1 -Translation- No. ED-MD18-004 26th February 2018 Subject : Clarification of changes in excess of 20% in the operating results for year ended 2017 To

ที่ BCH No. BCH 018/2018 26 February 2018 Subject : Explanation of the changes in operating results for the year ended 31 December 2017 which exceed 20% To : The President The Stock Exchange of

- ร่าง -  แต่งตั้งใหม่  เปล่ียนแปลงอ ำนำจ หนังสือแต่งตั้งเจ้าหน้าท่ีปฏบิัติการ (operating officer) วนัท่ี ............................................. ตำมท่ีขำ้พเจำ้