subsidiaries’ rental income and service revenue earned increase of Baht 0.33 million or 6.09 percent. 2  Expenses Cost of Sales The Company and its subsidiaries' cost of sales ratio was from 63.63 percent in Q3

%, 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

% Other income 169,661 16.99% 78,684 9.28% 90,977 115.62% Total revenues 998,474 100.00% 847,486 100.00% 150,988 17.82% Cost of sales (614,154) 61.51% (558,251) 65.87% (55,903) 10.01% Cost of services

May 2019. The Company still has fixed cost for the period of shutdown while doesn’t have sale revenue including cost per ton still high for production period which resulted from depreciation and the

sales of existing outlets, despite economic stagnant Cost of Sales Total cost of sales and services of the Company was Baht 8,816 million, increased by Baht 706 million or 8.7% from last year which was

) Changes % Revenues : Revenues from sales and services 1,530.27 987.27 543.00 55.00 Gain on purchase price lower than fair value - 130.98 -130.98 N/A Gain from disposal of investment 543.01 - 543.01 100.00

% in 4Q17. Cost & Expense In 1Q18, cost of service was Bt17,281mn increasing 6.3% YoY and 1.5% QoQ mainly from the change in accounting treatment on the partnership with TOT. • Regulatory fee was

less sale of high- tier handsets. SIM and device margin was -3% compared to -2.7% in 2Q17 and -1.1% in 1Q18. Cost & Expense In 2Q18, cost of service was Bt19,202mn increasing 16% YoY and 11% QoQ mainly

Cost of Sales and Expenses Major costs of the Company compose of cost of sales, selling expense, administrative expense and interest expense. In the year 2016 and 2017, the Company shows its cost of

business, and administrative expenses amounting to Baht 78.82 million, mainly due to management expense, employee expenses, utilities and audit fees. Financial Cost (3 months) For quarter 1/2020, the