. Administrative and Selling Expenses Selling, general, and administrative expense amounted to Bt1,612.8 million in 2019, or 13.3% of sales, a decrease from Bt1,804.3 million the previous year. Selling expense, such

attributable to a reduction on interest expense from ABPIF compared to previous quarter.  NNP margin improved to 10.2% in Q1’2018, primarily due to improvement of our financing cost.  NNP attributable to owner

interest income amounting to 2.99 Million Baht. 5. Selling expense decreased amounting to 17.43 Million Baht, accounting for 76.48% from previous year as the Company record transportation expense to customer

in geothermal power plant in Indonesia. Furthermore, the Power Plant business recorded a slight increase in Selling, General and Administrative expense from the same period of the previous year, mainly

same period of the previous year. Expenses analysis Q1 2017 Q1 2018 Increase/(Decrease) THB mm THB mm THB mm % Selling expense 32.9 47.3 14.4 43.8% Administrative expense 293.5 268.0 (25.5) (8.7

transfer compared to the same period of previous year.  Administrative expense for 3 months ended the second quarter of 2018 was THB 314.6 mm, which increased by THB 8.3 mm or 2.7% from the same period of

.  Administrative expense for 3 months ended the second quarter of 2018 was THB 314.6 mm, which increased by THB 8.3 mm or 2.7% from the same period of previous year. Besides, for 6 months, the expenses was THB 582.6

%, respectively, from the same period of previous year, mainly due to the lower land transfer compared to the same period of previous year.  Administrative expense for 3 months and 9 months ended the third quarter

% and 35.1%, respectively, compared to the same period of last year, mainly due to the higher land transfer compared to the same period of previous year.  Administrative expense during 3 months and 6

, the new interconnection rate was Bt0.27/minute, a change from the previous Bt0.34/minute. Cost & Expense Cost of service (excluding IC) was Bt15,203mn increasing 20% YoY from higher D&A and network OPEX