) Cost of sales Consolidated financial statements Change Increase/(Decrease) For Three Months Period Ended 31 March 2018 2019 THB mm % THB mm % THB mm % Raw material and packaging 78.40 77.62 33.96 62.84

declining of raw material price and abnormal loss in manufacturing process. 2. Cost of Refining Service in the 2nd quarter of 2015, and 2014 cost of sale was THB 8.03 million and THB 18.97 million, with ratio

December 2018 to Baht 1,060 million as at 30 September 2019. It was mainly because the increased in short-term loans from Trust receipt for buying assets, trade payable of buying raw material for

of loss from onerous project contract in the amount of THB 32.19 million as a result of variation of current raw material price from quotation price. However, this transaction would be reviewed in the

around 82% but the cost of goods sold of Q4/2019 is down to 77.9% because of the reduction in raw material cost. • Although we have continually conducting cost down projects and minimize the internal

the price of raw material which was the main cost of sales of the Group. Selling Expenses Selling expenses mainly consist of salary for the café’s staff, space and equipment rental expenses at each

revenues due to revenue from sales of scrap on raw material of 17.57 million baht, rental income from related company of 1.20 million baht, interest receive of 0.72 million baht, interest receive from

especially the reduction in the price of raw material which is the main cost of sales of the Group. We also adjusted selling price since May this year, which causes gross profit margin to increase

with the increased in revenue recognized by percentage of completion. Moreover, inventories were increased by 133.40 Million Baht, which are raw material for construction projects. The Group’s invested

sales of scrap on raw material of 6.57 million baht, revenue from rental related companies of 0.60 million baht interest receive of 0.09 million baht, interest receive from related company of 0.13 million