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

the purchase of raw materials and components to produce finished products OEM. Income taxes payable decreased from paying mid year corporate tax returns, other current liabilities increased due to

' order, consequently, the majority of inventory are raw materials, expendable tools and work in process with little finished goods pending for customer delivery. The group companies normally write-off out

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

due to flooding in the Alabama region which led to delayed receipt of its key raw material namely Mixed Xylene, thereby resulting in lower operating rate (26 days). Core EBITDA was $192 million (+35

impacted due to flooding in the Alabama region which led to delayed receipt of its key raw material namely Mixed Xylene, thereby resulting in lower operating rate (26 days). Core EBITDA was $192 million (+35

) 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

of raw material that used for production. The net profit rate was decreased from 5.4 percent in 9M 2017 to 5.1 percent in 9M 2018 due to the performance of operation from the oversea restaurants and

, increasing by 5.99 million baht or 27/35% from trade and other account payables from previous year which was in accordance to the fact that the Company purchased more of raw materials for production and more

) Total Effect 93.58 (28.58) Table 2: Raw material prices and purchased volume 1Q 2020 4Q 2019 Q-o-Q Effect 1Q 2019 Y-o-Y Effect Unit price Volume Unit price Volume % '000 US$ Unit price Volume % '000 US