and its subsidiaries had the operation results for the year ended December 31, 2018 with the following details: unit: THB million 2018 2017 Change (THB mill.) Change (%) Revenue from Sales and Service

) Total Expenses (Million Baht) Quarterly Change Nine-month End September 30, Change 3/2019 3/2018 % 2019 2018 % Cost of goods sold 322.5 339.6 (5.0) 865.3 960.7 (9.9) Temporary shutdown expenses 10.6 12.9

-o-Y due to the effect of the annual selling price adjustment, a change in foreign currency rates and an increase in the cost of goods sold resulting from a higher cost of raw materials Copper, Copper

The profit margin decreased slightly Q-o-Q, and dropped Y-o-Y due to the effect of the annual selling price adjustment, a change in foreign currency rates and an increase in the cost of goods sold

and its subsidiaries had the operation results for the year ended December 31, 2017 with the following details: unit: THB million 2017 2016 Change (THB mill.) Change (%) Revenue from Sales and Service

case of a change of position or power of management of the person already approved by the SEC Office, that is, a change from the position of manager to the position of director, or from the position of

(13.7) 815.4 902.2 (9.6) Total Expenses (Million Baht) Quarterly Change Six-month End June 30, Change 2/2019 2/2018 % 2019 2018 % Cost of goods sold 285.6 360.7 (20.8) 542.9 621.2 (12.6) Temporary

and its subsidiaries had the operation results for the three-month period ended March 31, 2018 with the following details: unit: THB million 2018 2017 Change (THB million) Change (%) Revenue from Sales

Nine-month End September 30, Change 3/2018 3/2017 % 2018 3/2018 3/2017 Cost of goods sold 349.3 333.1 4.9 982.7 983.9 (0.1) Temporary shutdown expenses 12.9 45.7 (71.8) 38.1 118.4 (67.8) Selling expenses

-1- November 29, 2018 Subject Change of payment method for investment in acquisition and sale of tap water in some areas of Phuket and some areas of Phangnga. To Director and Manager The Stock