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

Distribution of Newly Issued Shares and Share Warrants by Issuer

6.35 263.45 0.77 795.64 792.27 0.43 Cost of goods sold 139.69 129.14 8.17 132.87 5.13 418.50 416.74 0.42 Distribution costs and administrative expenses Distribution costs 46.25 33.48 38.14 47.18 (1.97

. Nature of operations of the Group The Group has principally engage in distribution of product and equipment, design, assembly and installation, and maintenance service of pure water treatment system

to increase sales by adding more distribution channels such as online, TV Home Shopping, participation in Trade Fair, B2B sales, etc. In the first quarter of 2018, other income increased by 23.5% YoY

related with operating result (%) For the period ended Change 31 March 2019 31 March 2018 Gross profit margin (%) 41.47 41.99 (0.52) Distribution costs and administrative expenses to total revenue (%) 44.79