Management Name : Mr RATTHAPHOL CHEUNSOMCHIT | Type of securities : Common share | Methods of Acquisition / Disposition : Buy | Transaction Date : 10/04/2018

Management Name : Mr RATTHAPHOL CHEUNSOMCHIT | Type of securities : Common share | Methods of Acquisition / Disposition : Buy | Transaction Date : 24/05/2018

Management Name : Mr RATTHAPHOL CHEUNSOMCHIT | Type of securities : Common share | Methods of Acquisition / Disposition : Buy | Transaction Date : 04/06/2018

Management Name : Miss YUPAPIN WANGVIWAT | Type of securities : Common share | Methods of Acquisition / Disposition : Buy | Transaction Date : 19/06/2018

Management Name : Mrs CHOTIKUL SOOKPIROMKASEM | Type of securities : Common share | Methods of Acquisition / Disposition : Buy | Transaction Date : 09/03/2018

Management Name : Mrs CHOTIKUL SOOKPIROMKASEM | Type of securities : Common share | Methods of Acquisition / Disposition : Buy | Transaction Date : 16/03/2018

Management Name : Mrs CHOTIKUL SOOKPIROMKASEM | Type of securities : Common share | Methods of Acquisition / Disposition : Buy | Transaction Date : 04/04/2018

, and the strong market competition had forced the company to offer alternative products with cheaper unit price for several major projects resulted in lower sale revenue from the projects, as a result

economy growth in 2019, the slowdown of Government’s energy Saving programs promoting the replacement of conventional lamps to LED and the delays of sales revenue recognition resulting from product

realized in following quarters. The decline of Wholesale/Retail Sale Activities to 169 million Baht was a result of the weakening purchasing power and the increasing market competition. The Export Sale