) (10.80) Total 19.03 100.00 20.58 100.00 (1.55) (7.55) Remark: 1 Other cost such as electricity cost, water cost, and power development fund cost - Cost of sales Cost of sales related to generation and

sales of Ready Meal including sales for processed prawn, frozen fresh-water prawn. 283/99 อาคารโฮมเพลสออฟฟิศบิลดิง้ ช้ัน 20 ซอยสุขุมวทิ 55 ถนนสุขุมวทิ แขวงคลองตันเหนือ เขตวฒันา กรุงเทพมหานคร 10110 Cost

วันที่ 15 ตุลาคม 2545 1 NO. (SUTHA-SET) 003/2018/EN 26 January 2018 Subject: Management Discussion and Analysis of the Company and subsidiary for the year ended 31 December 2017 To: The President of

% 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

, 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

were deployed to promote 2G migration. Cost & Expense Total cost was Bt22,080 mn, an increase of 6.3% YoY but a decrease of 2% QoQ in 3Q17. Cost of service (excluding IC) was Bt15,764mn increasing 17

–4.2% in 2016, due to softened handset campaigns. Cost & Expense In 2017, cost of service (excluding IC) was Bt62,460mn increasing 19% YoY due to higher D&A and payments for the partnership with TOT

& Device margin was negative at -1.2%, compared to +2.5% in 2Q20 due to decline in high margin devices sale from weak economy Cost & Expense In 3Q20, cost of service was Bt20,377mn, flat QoQ but decreasing

handset campaign and the newly launched iPhone 11. Cost & Expense In 2019, Cost of service was Bt81,487mn, increasing 6.2% YoY, due to network expansion.  Regulatory fee was Bt5,792mn, increased 1.2% YoY

. SIM and device margin in 1Q19 remained -4.2%, compared to -1.1% in 1Q18 and -4.3% in 4Q18. Cost & Expense In 1Q19, cost of service was Bt19,817mn increasing 15% YoY due to higher D&A and cost of the