% Revenue from Sales 3,682.20 100.00 3,966.01 100.00 (283.81) (7.16) Gross Profit 539.71 14.66 533.79 13.46 5.93 1.11 EBITDA 751.67 20.41 603.72 15.22 147.95 24.51 Net Profit 324.66 8.82 227.86 5.74 96.80

on the net tangible assets basis and after combining the transactions of disposal of the assets during the past 6 months prior to the day the decision to enter into this transaction was made is equal

MD&A Advanced Info Service Plc. 2 2Q21 MD&A Advanced Info Service Plc. 2Q21 Operational summary In 2Q21, total mobile subscribers reached 43.2mn, representing a net addition of 467k. Underpinned

%) 340 242 (29%) EBITDA 65 24 (63%) 150 114 (24%) Net Profit(Loss) for the Company 28 (13) (146%) 38 (9) (124%) Gross Profit Margin (%) 62.6% 52.2% (10.4%) 60.6% 56.1% (4.5%) EBITDA Margin1 (%) 32.7% 20.7

18.4% Income tax (expenses) -37.8 -34.0 -3.8 11.3% Net profit (loss) attributable to equity holders 410.7 128.5 282.2 219.7% Net profit (loss) attributable to equity holders Margin (%) 5.2% 2.2% 3.0% Net

109.9 110.8 -0.9 -0.8 Income tax expenses 31.1 62.6 -31.5 -50.3 Net profit (loss) attributable to equity holders 102.7 410.0 -307.3 -74.9 Net profit (loss) attributable to equity holders Margin (%) 1.6

(Translation) -6- (Unit:Baht) Consolidated The Company only (20..) (20..) (20..) (20..) 3. Income (Loss) before income tax 4. Income tax expenses 5. Income (Loss) after income tax 6. Net profit (Loss) of

. Net profit (Loss) of minority interest 7. Profit (Loss) from ordinary activities 8. Extraordinary Items 9. Net income (loss) 10. Earnings per share 10.1 Basic earning per share 10.1.1 Net profit (loss

in Q1 2019  Revenue: 297mTHB in Q1 2019 compared to 254mTHB in Q1 2018 an increase of 17%  EBITDA: 60mTHB in Q1 2019 compared to 54mTHB in Q1 2018 an increase of 12%  Net income: 18mTHB in Q1 2019

100%. These measures have altogether supported the encouraging performance recorded this quarter, with recorded revenue at THB 473mn, or a solid increase of 80.6% YoY and net profit of THB 68mn, which