% Administrative expenses (39.92) (37.10) 2.82 -7.06% Profit from operating activities 113.57 53.11 (60.47) -53.24% Share of profit on investments in associate 0.13 0.71 0.58 443.81% Finance costs (0.34) (0.23) 0.11

operating performance despite higher finance cost and FX loss. 1Q24 MD&A Advanced Info Service Plc. 2 1Q24 Operational Summary Mobile Business: In 1Q24, mobile subscribers totaled 45 million, with a net

and non-current liabilities increased amount of 165 million increase long-term borrowings from a financial institution. The shareholders’ equity of the company has increased in the amount of THB 74

1.4% Total Expenses 36.4 20.4% 37.1 20.8% 0.7 1.9% Earnings Before Interest and tax 9 5.1% 9.8 5.5% 0.8 8.9% Finance Cost 12.9 7.2% 13.3 7.5% 0.4 3.1% Management Discussion and Analysis Q1/2018 Page 2/4

Expenses 184.3 24.7% 185.2 25.6% 0.9 0.5% Selling Expenses 80.9 10.8% 96.5 13.3% 15.6 19.3% Administrative Expenses 54.5 7.3% 65.0 9.0% 10.5 19.3% EBIT 49.0 6.6% 23.7 3.3% -25.3 -51.6% Finance Cost 53.6 7.2

% Administrative Expenses 14.7 8.2% 19.0 11.1% 4.3 29.3% Total Expenses 37.1 20.8% 43.3 25.2% 6.2 16.7% Earnings Before Interest and tax 9.8 5.5% 9.5 5.5% -0.3 -3.1% Finance Cost 13.3 7.5% 14.7 9.4% 1.4 10.5% Tax

) 10.8% (146.1) (187.4) (41.3) 28.3% Operating Profit 190.4 217.7 27.3 14.4% 377.5 452.2 74.8 19.8% Finance Cost (30.6) (45.4) (14.8) 48.4% (58.3) (86.5) (28.2) 48.3% Tax Expenses (39.3) (35.1) 4.2 -10.7

Discussion and Analysis, Q2/2018 Page2/4 Q2/2017 Q2/2018 % Change 6M/2017 6M/2018 % Change Operating Profit 178.9 190.4 6.4% 286.8 377.5 31.6% Finance Cost (18.2) (30.6) 68.1% (34.5) (58.3) 69.0% Tax Expenses

, utensils expenses, and new uniform expenses. In the year 2018, the Company has one-time expenses in activating new hospital building amounted to Baht 10.21 million. Finance costs The Company booked finance

-555 Fax. (043) 236-835 Ratchaphruek Hospital Finance costs The Company booked finance costs amounting to Baht 5.07 million in the year ended December 31, 2018 and Baht 10.19 million in the year ended