year ended December 31, 2019 which the details are as follows: Unit: million Baht For the year ended December 31 2019 2018 Change % Increase (Decrease) Revenue from sale of goods 689.16 653.89 35.27 5.39

39.21 million, increased Baht 5.06 million or 12.90 % as follow: 1. Revenue from sale and service was Baht 1,952.40 million, decreased Baht 490.68 million or 20.08% from last year. This is because of the

ended 31 March 2020 which the details are as follows: Unit: million Baht For 3-month period (Jan-Mar) 2020 2019 Change % Increase (Decrease) Revenue from sale of goods 156.58 167.64 (11.06) (6.60) Revenue

period of 2019 which has a net profit of 17.52 million baht, an increase of 24.31 million baht or an increase of 138.72 percent by significant changes are as follows - The company has sales revenue of

2020, the company had construction and service revenue of 466.47 THB mn, a decrease from the same period of year 2019 by 261.22 THB mn or equivalent to a decrese of 35.90 percent from the previous year

operating performance. Revenue from Sales for Q2/2020 and Q2/2019 was 538.14 million baht and 403.31 million baht, respectively. It increase 134.83 million baht or 33.43% when compared with Q2/ 2019. The

1 1Q21 MD&A Advanced Info Service Plc. Executive Summary Mobile revenue slightly recovered QoQ following strong acquisition and government stimulus In late 4Q20, the new phase of outbreak had re

baht or 78.64% from the same period last year. The company would like to clarify the reasons as follows: 1. Total revenue of the group of companies for the quarter 1/2021 has total income of 39.05

Q1-2019 operating performance. Revenue from Sales for Q1/2021 and Q1/2020 was 545.07 million baht and 495.44 million baht, respectively. It increased 49.63 million baht or 10.02% when compared with Q1

flat service revenue both qoq and yoy. Our mobile business still contracted (-1.5% yoy, -0.9% qoq) but at much lower pace while the home broadband business hit a new high of demand to work from home (+21