not materially changed from the current exchange rate) Enclosure 1 9 (b) Investment in Construction and Operation of Transmission Line System On 4 January 2020 Nam San 3A and Nam San 3B have entered

the same period of the previous quarter. Due to the decrease in exchange rate profits. - Selling expenses decreased by 18.99% from the same period of the previous quarter. Since in the first quarter of

the exchange rate of 0.28 million Baht and the disposal of assets of 0.26 million Baht. - Selling expenses decreased by 25.62% from the same period of the previous quarter due to a decrease of

interest rate of 2.21% and 2.82% which are lower than the interest rate of the loan by 1%. From these reasons, the finance costs for 2017 was lower than 2016 for Baht 57 million or 14%. Other non-operating

recognition of foreign currency, reported date in balance sheet, exchange rate, variance recognition from foreign currency alteration 3.16 Gratuities pension and provident fund projects It shall disclose a

sheet, exchange rate, variance recognition from foreign currency alteration 3.16 Gratuities pension and provident fund projects It shall disclose a management for gratuities pension and provident fund

of items recognition of foreign currency, reported date in balance sheet, exchange rate, variance recognition from foreign currency alteration 3.16 Gratuities pension and provident fund projects It

. Considering in the gross profit rate, it was increased from loss of 0.14% to profit of 11.97%. The increased gross profit rate was from sales of telecommunication towers and high voltage of transmission line

million. Revenue from services business of the 1st quarter of year 2018 was Baht 961.48 million. The significant increase due to the increase of the revenue construction works of transmission line towers

9.41 million baht, exchange rate of 7.95 million baht and profit from compensation with trade payables (2) Expenses Year 2020 as ended December 31, 2020 groups of company has total expenses of 1,925.41