% Finance cost 18.41 36.80 18.39 99.89% Income tax expenses 22.21 28.27 6.06 27.29% Net profit 80.50 95.26 14.76 18.34% Net profit ratio (ROS) 18.98% 20.67% Earnings per share (Baht) 0.13 0.16 0.03 23.08

31.3 Total liabilities 3,068.5 3,352.1 (283.6) (8.5) Issued and paid-up share capital 5,088.0 5,088.0 - - Share Premium 3,896.0 3,896.0 - - Retained earnings - Unappropriated 2,425.5 1,831.9 593.6 32.4

liabilities 109.2 68.7 40.5 59.0 Total liabilities 3,507.9 3,352.1 155.8 4.6 Issued and paid-up share capital 5,088.0 5,088.0 - - Share Premium 3,896.0 3,896.0 - - Retained earnings - Unappropriated 2,370.0

216.9 Derivative liabilities 0.3 - 0.3 N.A. (>100) Other liabilities 77.3 68.7 8.6 12.5 Total liabilities 4,589.1 3,352.1 1,237.0 36.9 Issued and paid-up share capital 5,088.0 5,088.0 - - Share Premium

21,906 21,906 7 1Q21 MD&A Advanced Info Service Plc. 2021 Guidance All guidance is based on Post-TFRS 16 Core service revenue  Low single digit growth (Maintained) EBITDA  Low-single digit growth

and enhancing retention program as well as digitalizing channels and operational processes to gain fair market share and expand our scale in respective businesses.  Mobile revenue to continue under

5,309.0 4,436.9 872.1 19.7 Issued and paid-up share capital 5,088.0 5,088.0 - - Share Premium 3,896.0 3,896.0 - - Retained earnings - Appropriated - Legal reserve 26.0 26.0 - - Retained earnings

5,205.5 4,436.9 768.6 17.3 Issued and paid-up share capital 5,088.0 5,088.0 - - Share Premium 3,896.0 3,896.0 - - Retained earnings - Appropriated - Legal reserve 26.0 26.0 - - Retained earnings

%) (18.34) 991.35% Financial Cost and Income tax expenses 4.54 0.07% (6.76) (0.12%) 11.30 167.16% Net Profit (Loss) 423.62 6.59% 488.52 8.86% (64.90) (13.29%) Earnings per share (Baht per share) 0.3239 0.3735

21.1 Issued and paid-up share capital 5,088.0 5,088.0 - - Share Premium 3,896.0 3,896.0 - - Retained earnings - Appropriated - Legal reserve 45.2 26.0 19.2 73.8 Retained earnings - Unappropriated 4,309.0