) million or (2%) from Baht 383 million in Q2/2019 to Baht 374 million in Q2/2020. The main decrease was derived from the engineering service. • Overall gross profit margin increased from 9.1% to 15.0% or

decrease was derived from engineering service, solar energy, and Trading business. • Overall gross profit margin decreased from 13.3% to 9.1% amount Baht (24.09) million. 2019 2018 Revenue 383.44 443.08

% compared to the first half of year 2018. The increased sales revenue was mainly derived from telecommunication product such as set- top-box and printer products as compared to previous year. 2. Cost of sales

decrease was derived from the engineering service. • Overall gross profit margin increased from 11.9% to 13.8% at the same amount Baht 53 million. 2020 2019 Revenue 382 443 (61) -14% Cost 329 390 Gross

million) which decreased by 0.04% compared to the nine-month period of year 2018. The decreased sales revenue was mainly derived from the hard disk drive and PCBA products as compared to previous year. 2

derived from the management service income and the trading income which was recognized for the first time in year 2018. 2018 2017 Change % Change Revenue 1,672.58 1,580.25 92.32 6% Cost 1,509.05 1,335.73

under a Power Purchase Agreement) increase 10.8% QoQ from Baht 1,637.7 million to Baht 1,814.8 million. The increasing of Baht 177.1 million mainly derived from sales of natural gas power plant which

Baht 83 million or (22%) from Baht 383 million in Q3/2018 to Baht 466 million in Q3/2019. The increase was derived from all business units: engineering service, management service, solar energy, and

revenue from finance lease under a Power Purchase Agreement) increase 1.6% QoQ from Baht 1,814.8 million to Baht 1,843.5 million. The increasing of Baht 28.7 million mainly derived from sales of biomass

Power Purchase Agreement) decrease 7.3% QoQ from Baht 1,740.6 million to Baht 1,613.3 million. The decrease of Baht 127.3 million, mainly derived from sales of biomass power plants which decreased by Baht