materials Copper, Copper Foil, Laminate and Fiberglass, as well as the appreciation of the THB. Despite the increase in raw material prices and the THB’s strengthening, an increase in capacity and efficiency

procurement thanks to a decrease in the cost of copper, implementing artificial intelligence technology (AI) in the workplace to improve the production process and efficiency, and reducing the Company’s

20.7% increased Q-o-Q from 18.9% but decreased Y-o-Y. In principle, the cost of production is influenced by factors such as the capacity utilization rate, product mix, a change in LME copper price and

Board and the SEC Board, expecting to finalize the supervisory guidelines within the first quarter._________________________

Copper, Copper Foil, Laminate and Fiber glass. However, an increase in capacity and efficiency gained from Phase 3 of the new plant that supported volume growth helped lessen the effect of the above on

-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

resulting from a higher cost of raw materials Copper, Copper Foil, Laminate and Fiberglass. However, an increase in capacity and efficiency gained from the latest investment that supported sales volume growth

pressured the profit margin. The price of copper decreased, which resulted in the cost of goods sold decreasing by 1.2% in 1Q19. Administrative and Selling Expenses Selling, general, and administrative

utilization, which was partially offset by a lower cost of the copper (Table 2). Furthermore, as the majority of factory burden costs are fixed, whereas total production volume decreased, which resulted in a

-Y due to the effect of a change in FX rate and an increase in the cost of goods sold resulting from high costs of raw materials Copper, Copper Foil and Laminate. However, a recent increase in capacity