101.48 million or 65.46%, which was in line with the sharp rising in revenues from sales in this period. Gross profit margin in year 2018 was 61.51%, going up by 59.98% year-on-year. The growth in year

travelers segment revenue declined further due to border closure and travel restriction. In addition, NBTC’s mandate for free data & voice in Apr-May caused significant drop in prepaid top up, while the

serve unmet C-Vitt demand and continue driving category growth since June onward. Domestic personal care sales decreased by 18.2% YoY, due to a sharp decline in women’s beauty category. However, OSP

a lower core EBITDA of US$201M, due to a significant decline in industry margins and spreads across the business. The decline in margins reflects the sharp contraction in industry- wide spreads across

the previous year, mainly due to the sharp lower of purchasing power in most industries, as well as the strong competition in the stainless steel pipe, aluminum and copper. This caused the decreasing in

the leader of online top-up machine market both in terms of total usage amount and the number of kiosks, covering all area nationwide. The Company's strategy continues to emphasize on efficient location

sharp contraction in the first quarter of 2020 as economic activity was crippled due to efforts to control the spread of COVID-19. The World Economic Outlook of the International Monetary Fund estimated

excellence initiatives. Combined PET Combined PET segment achieved core EBITDA of US$260M, growing by 47% QoQ and 35% YoY, driven primarily by demand growth and higher integrated industry spreads on top of the

top-up value via “Boonterm Kiosk” for 2018 of Baht 41,980 million, which is increased by Baht 5,806 million or 16% compared to the top-up value of Baht 36,174 million for 2017. As at 31 December 2018

the prior year, the Company had revenue from sales of set-top box in accordance with the Digital TV subsidy program (phase 2) by the NBTC. Related technology business The Company had revenue from