addition, the dog chews business has been affected by competition in price and substitution of other raw materials. 1.2 The company’s income from energy business for the year2018 in the amount of Baht

profit of 6.75 percent due to cost of raw materials of steel adjusted higher than selling price and electricity (more value) but on the other hand there are burdened cost of Power Plant in Buriram which

vehicles to be able to use high speed diesel fuel, B20. Increasing demand for raw materials for biodiesel production Which may affect the sales volume of the Company's products That will increase according

inventories increased by Baht 11.26 million. These were primarily due to prepaid expenses and raw materials for engineering service and trading business. The group’s liabilities increased by Baht 36.58 million

project volume resulting in a price competition and the cost of raw materials used in production is higher than the year 2018. 4. Cost from the water management business for quarter 1/2019 representing

installed in Q2/2018 – Q1/2019. However, the main variable costs including raw materials and consumables used decreased from the previous year as the production slowed down. The only selling and

the cost of raw materials used in production is lower than the year 2018. 4. Cost from the water management business for quarter 2/2019 was 70.48% of income. Cost per income rate decreased compared to

increased of finished goods Baht 85.0 million, work in process Baht 0.2 million, supplies Baht 6.0 million, decreased of raw materials Baht 54.4 million and goods in transit Baht 18.0 million. -2- 5

period ending 31 March 2018 could be divided in to two key components as follows: 1. Variable cost component which shall be varied in accordance with the volume sold consist of (1) raw materials and

% and 14.4% compared to Q1/2017 and Q1/2016. Cost of goods sold in Q1/2018 was 80.7% of revenue, up from 77.2% in Q1/2017 and decreased from 86.6% in Q1/2016. This is due to the average price of raw