&16 Key Financial Ratio Post-TFRS 9&16 (Bt mn/% to total asset) 4Q19 2Q20 2Q19 1Q19 2Q20 Cash 19,637 6.8% 25,826 7.0% Interest-bearing debt to equity (times) 1.5 1.5 1.3 ST investment 1,989 0.7% 1,732

85% 58% -9 -13 44% EBITDA 22,297 22,580 23,006 3.2% 1.9% 45,073 45,587 1.1% EBITDA margin (%) 52.8% 49.2% 53.8% 53.0% 51.4% 6 2Q21 MD&A Advanced Info Service Plc. Financial Position Key Financial Ratio

23,006 22,888 3.6% -0.5% 67,164 68,475 2.0% EBITDA margin (%) 53.0% 53.8% 54.0% 53.0% 52.3% 3Q21 MD&A Advanced Info Service Plc. Financial Position Key Financial Ratio (Bt mn/% to total asset) 4Q20 3Q21

price for the Company reduced by 10% compared to Q2 2019 (from 19891 THB/Ton in Q2 2019 to 17915 THB/ton in Q3 2019). The sharp decline in the Finished Goods has also led to a decline in Raw material

adoption of new financial reporting standards, the acquisition of a new subsidiary and the depreciation of the Thai Baht that affected the value of Company’s overseas assets • Net debt to equity ratio at the

overseas assets • Net debt to equity ratio at the end of 2Q 2020 stood at 0.98x, an increase from 0.48x on 31 December 2019 2Q 2020 SIGNIFICANT EVENTS Impacts of Coronavirus Disease 2019 (COVID–19) COVID-19

proportion of 51 percent 2. Capital Increase Form (F53-4) 3. Information Memorandum regarding the offer of newly issued shares by capital increase of East Coast Public Company Limited to the specific person

101.48 million or 65.46%, which was in line with the sharp rising in revenues from sales in this period. Gross profit margin in year 2018 was 61.51%, going up by 59.98% year-on-year. The growth in year

- 2. Cost of sales and gross profit The Company’s cost of sales in Q3/2018 amounted to Baht 57.43 million, rising year-on-year by Baht 25.81 million or 81.63%, which was in line with the sharp increase

THB 10.66 million or 56.16%. Major reason for sharp decrease in Company net income is due mainly to the epidemic of Covid 19 which have a negative impact in revenue from real estate business. Therefore