Reporting Person : - | Type of securities : - | Date of reporting obligation : 07/02/2013

Reporting Person : - | Type of securities : - | Date of reporting obligation : 05/02/2004

Reporting Person : - | Type of securities : - | Date of reporting obligation : 29/10/2003

Management Name : Miss PRAKAIKAEW NGANTHAVEE | Type of securities : Common share | Methods of Acquisition / Disposition : Buy | Transaction Date : 14/12/2015

piles, precast concrete, glass-fiber reinforced concrete and special cement which were Baht 148.79 million. In addition, revenue from its subsidiaries was increased by Baht 89.61 million. (2) Cost of

-stressed concrete pile and precast concrete resulting in lower of cost per unit of such product comparing with the same period of previous year. (3) Gross profit The Company and its subsidiaries’ total gross

million or 17.37% from the same period of previous year. This was due to decrease in the delivery of pre-stressed concrete piles and post-tensioned. However, the delivery of glass-fiber reinforced concrete

of pre-stressed concrete piles and post- tensioned. However, the delivery of glass-fiber reinforced concrete, precast concrete, special cement and architecture was increased. (2) Other incomes The

the amount of Baht 1,948.01 million, which increased from the year 2017 by Baht 185.55 million or 10.53%. The increase was affected by an increase in the delivery volume of pre-stressed concrete piles

13.58% from the same period of previous year. This was due to decrease in the delivery of pre-stressed concrete piles, post-tensioned and special cement which was Baht 101.24 million. However, the