net profit ratio (ROS) for the three-month period ended 31 March 2020 increased from 18.98% to 20.67%. Moreover, the total expense to total revenue ratio decreased from 14.94% in the first quarter of
1,089 million Impact to P/L ▪ For the three-month period ended 31 March 2020 Recognised rental expense THB 23.4 million ▪ For the three-month period ended 31 March 2020 Recognised depreciation expense THB
lease income 2,567 2,504 (3) 45 2,564 2,549 15 1% Deferred income (expense) tax (87) 22 1 - (86) 22 (108) (491%) Profit (Loss) before the effects of foreign exchange and lease income 2,480 2,526 (2) 45
ค่าใชจ่้ายเก่ียวกบัการใชด้ชันีอา้งอิง (Reference Index Expense) 11.98 0.03 ค่าใชจ่้ายอ่ืน ๆ **(Other Expense**) 5.43 0.014 รวมค่าใชจ่้ายทั้งหมด * (Total*) 267.67 0.72 ค่าใชจ่้ายในการซ้ือขายหลกัทรัพย์
, comprised decrease of interest rates of loans from bank since the fourth quarter of 2019. Additionally, bank also cut MLR rate in the first and the second quarters of 2020. Tax income (expense) Q2-2019 Q1
loans from commercial bank since the fourth quarter of 2019. Additionally, bank also cut MLR rate in the first and the second quarters of 2020. Tax income (expense) Q3-2019 Q2-2020 Q3-2020 9M-2019 9M-2020
%, compared to +1.2% in 4Q20 due to decline in high margin devices sale from seasonality. Cost & Expense Cost of service for 1Q21 was Bt21,126mn, increasing 3.9%YoY and 3.4%QoQ from network OPEX following 5G/4G
from Baht 25.1 million to Baht 35.7 million and increase 35.8% 6M YoY from Baht 51.4 million to Baht 69.8 million due to loan addition for the new investment projects. Tax income (expense) Q2-2020 Q1
closed from nationwide restriction. SIM & Device margin was marginally negative at -0.5%, down from +2.7% in 2Q21 due to decline in high margin devices sale. Cost & Expense Cost of service in 3Q21 was
increase 29.9% YoY from Baht 27.8 million to Baht 36.1 million and increase 33.7% 9M YoY from Baht 79.2 million to Baht 105.9 million due to loan addition for the new investment projects. Tax income (expense