Management Name : Mr SOMBATI PUNGSRINONT | Type of securities : Common share | Methods of Acquisition / Disposition : Transfer | Transaction Date : 02/03/2017

Management Name : Mr SOMBATI PUNGSRINONT | Type of securities : Common share | Methods of Acquisition / Disposition : Receive | Transaction Date : 02/03/2017

Management Name : Mr SOMBATI PUNGSRINONT | Type of securities : Common share | Methods of Acquisition / Disposition : Sell | Transaction Date : 07/12/2017

Management Name : Mr SOMBATI PUNGSRINONT | Type of securities : Common share | Methods of Acquisition / Disposition : Sell | Transaction Date : 08/12/2017

Management Name : Miss SUWATHIP PORNSUWANNAPHA | Type of securities : Common share | Methods of Acquisition / Disposition : Sell | Transaction Date : 02/06/2017

Management Name : Mr ROJANASAK CHOMVILAILUK | Type of securities : Common share | Methods of Acquisition / Disposition : Sell | Transaction Date : 28/06/2016

Management Name : Miss PLOY SITTICHAISRICHART | Type of securities : Common share | Methods of Acquisition / Disposition : Sell | Transaction Date : 02/06/2017

Management Name : Miss PLOY SITTICHAISRICHART | Type of securities : Common share | Methods of Acquisition / Disposition : Sell | Transaction Date : 08/12/2017

production systems and construction of turnkey water treatment systems 26.52 20.30 25.91 Selling and distriburtion expenses 10.84 9.47 14.47 Administrative expenses - WIIK 8.75 13.34 (34.41) - WW 10.19 9.09

water production systems and construction of turnkey water treatment systems 43.49 16.32 166.48 Selling and distriburtion expenses 10.73 11.52 (6.86) Administrative expenses 29.87 23.80 25.80 Finance cost