deteriorate from 36% to 32% of revenue. This was not only attributed to the decrease of SW revenue but also from the rising cost of SW patients. Number of insurers increased and consequently more visits of SW

, which was in line with the yearly salary base adjustment and the rising number of employees in tandem with business expansion, and also by employee benefits expense, cost of training and seminar, IT

, higher cost of goods sold from the adjustment in production plan, sales expense to sales revenue ratio that adjusted upward from the same period of the previous year and rising administrative expenses from

current investment. 2. Cost of sale , Profit margin For year 2018, the company had cost of sale of 396.52 million bath compare to 333.48 million baht last year with the increasing of 63.04 million bath or

Increase/(Decrease) Sales 110.7 40.0 70.7 177% 131.7 79.3 52.4 66% Service income 57.6 48.2 9.4 19% 219.6 161.0 48.6 30% Total Sales 168.3 88.2 80.1 91% 341.3 240.3 101.0 42% Cost of sales 110.9 37.0 73.9

amounting to THB 1.9 million due to the fact that in 2018 Company had gain from exchange rate and advertising revenue. Cost of sales or service and Gross profit Unit : THB million For the year ended 2019 2018

% yoy, +6% qoq) and non- mobile enterprise business grew 13% yoy. We continued on with cost optimization while expanding 5G network which resulted in controlled cost of service (+3% yoy, -0.5% qoq) and

%. Delivered FY20 performance in-line with guidance from well-managed cost Overall FY20 performance tracked in- line with all guidance. Core serviced revenue of Bt129,594mn declined -5.1%YoY vs guidance of low

4,373.87 31.80% Cost of sales and services 1,420.50 2,060.70 1,405.95 1.03% (31.07%) 5,689.39 4,008.09 41.95% Gross profit (113.70) 46.01 108.37 (204.93%) (347.12%) 75.53 365.78 (79.35%) Other income 1.23

increase in sale of scrap. 2. Cost of sale , Profit margin In Q3/2018 the company had cost of sale Baht 112.03 million compare with the same period of previous year amount to Baht 85.71 million, increase