Advanced Info Service Plc. Financial Position Key Financial Ratio (Bt mn/% to total asset) 4Q20 1Q21 1Q20 4Q20 1Q21 Cash 18,421 5.3% 17,750 4.9% Interest-bearing debt to equity (times) 1.5 1.3 1.3 ST

Service Coverage Ratio (times) 4.6 3.1 3.7 Return on Equity 32% 31% 33% Figures from P&L are annualized YTD. *Exclude Lease liability Debt Repayment Schedule License payment schedule Bt mn Debenture Loan

services 167.0 239.8 -30.4% 2.1 Fully Outsourced Contact Center Management Service 116.4 163.9 -29.0% 2.2 Outsourced Contact Center Facility 7.8 18.8 -58.6% 2.3 Outsourced Customer Service Representative

million or 15.41 percent. Due to the company has sold 1 plot of land total price 68 million baht but revenue from sales of houses and condominiums were decreased. Rental Income and Service Revenue The

to Baht 1,677 million. The decline was mainly due to the decrease in revenue from EMS and Smart service businesses. The Group’s profit for the first quarter of 2020 amounted to Baht 81 million, which

in the same period of last year. The details are as follows: - The revenue from sales and service totaled 114.61 million baht, up by 2.48 million baht or 2.21 percent from the same period of last year

(Unit : Million Baht unless otherwise stated) Quarter 1 Change 2019 2018 Amount % Change Total Revenues 4,479 4,496 (17) -0.4% Sales and service income 4,230 4,264 (34) -0.8% Other income 134 153 (19

Others 3,433 1.2% 4,041 1.4% Interest Coverage (times) 13 12 13 Current Assets 34,905 12% 46,038 16% Debt Service Coverage Ratio (times) 17 2.9 4.2 Spectrum license 111,749 38% 109,610 37% Return on Equity

1 3Q18 MD&A Advanced Info Service Plc. Executive Summary Acquired 1800MHz license and expanded strategic distribution and services In Aug-18, AIS has secured additional 2x5MHz of 1800MHz license

) 0.3 0.5 0.4 Interest Coverage (times) 14.8 14.7 14.1 Debt Service Coverage Ratio (times) 2.1 4.3 2.5 Return on Equity (YTD) 31% 33% 35% Figures from P&L are annualized from quarter number. *Exclude