Million Baht (56%) from Q2/2016. The main causes for the lower net profit are economic in Thailand have not yet recover and intense competition. Discussion and Analysis of the Company and its subsidiaries

Samutprakarn, Samutprakarn 10280, Thailand Tel. 66 2323 1085..96 Fax. 66 2323 9283 (Translation) August 10, 2017 Subject: Management Discussion and Analysis (MD&A) of Q2/2017 To: Director and manager The Stock

August 10, 2017 Re : Management Discussion and Analysis (MD&A) For Quarter 2 / 2017 Attn : President The Stock Exchange of Thailand Baan Rock Garden Public Company Limited wishes to clarify the Company’s

Microsoft Word - E10-2560 Registration number: No. 0107537001056 Date: August 11, 2017 Subject: CPH Management Discussion and Analysis on operating results for Q2/2017 ended June 30, 2017 The results

AC0815/2017 August 15, 2017 Subject: Management Discussion and Analysis for Q2/2017 To: Managing Director The Stock Exchange of Thailand The company would like to report the operation results for the

income Total Reven Discussion and Services Public /017 Manag Presid The St to JMT Net to certify th es for the th mpany’s au rmance of t ted financia 3rd quarter An increase of purchas Company’s iod last

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

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

Microsoft Word - E12-2560 Registration number No.0107537001056 Date: November 13, 2017 Subject: CPH Management Discussion and Analysis on operating results for Q3/2017 ended September 30, 2017 The

Million Baht (250%) from Q3/2016. The main cause for the higher net profit is from improved costs and expenses Discussion and Analysis of the Company and its subsidiaries Operational Results in Q3/2017 and