Reporting Person : - | Type of securities : - | Date of reporting obligation : 02/11/2004

Reporting Person : - | Type of securities : - | Date of reporting obligation : 05/11/2004

Reporting Person : - | Type of securities : - | Date of reporting obligation : 08/11/2004

Reporting Person : - | Type of securities : - | Date of reporting obligation : 03/07/2007

Reporting Person : - | Type of securities : - | Date of reporting obligation : 01/10/2004

Reporting Person : - | Type of securities : - | Date of reporting obligation : 02/10/2009

Reporting Person : - | Type of securities : - | Date of reporting obligation : 21/10/2005

Reporting Person : - | Type of securities : - | Date of reporting obligation : 11/10/2004

Reporting Person : - | Type of securities : - | Date of reporting obligation : 22/09/2003

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