auditor as follows: Statements of Comprehensive Income for the 4th Quarter Ended December 31, 2019 Revenue from Hospital Operations Revenue from hospital operations in the 4th quarter of 2019 ( “ 4Q19

1 3Q17 MD&A Advanced Info Service Plc. Executive Summary AIS continued revenue growth momentum in 3Q17, attributed to both mobile and fixed broadband businesses. 3Q17 service revenue (excluding IC

independent auditor as follows: Statements of Comprehensive Income for the 3rd Quarter Ended September 30, 2019 Revenue from Hospital Operations Revenue from hospital operations in the 3rd quarter of 2019

. It was still challenging for telecom sector particularly in the mobile business due to weak consumer spending and revenue loss from traveler sector due to international travel restriction. Fixed

around unlimited data plan. AIS had seen weaken mobile revenue due to consumer spending optimization and loss of revenue from traveler segment led to -6.5%YoY decline in mobile service revenue for FY2020

revenue, AIS continued to invest for network quality and capacity through deployment of additional bandwidth recently acquired while coverage expansion mostly done the year earlier, resulted in lower capex

incurred from deferred tax. This extra transaction was included in year ended 2017 financial statement for the net amount of THB 24 million. Revenue from Hospital Operations Revenue from hospital operations

follows: Statements of Comprehensive Income for the 2nd Quarter Ended June 30, 2019 Revenue from Hospital Operations Revenue from hospital operations in the second quarter of 2019 (“2Q’19”) was THB 422.77

2016 change Revenue from non-social security 220.49 184.48 20% 575.79 504.82 14% Revenue from social security 169.68 133.25 27% 460.18 388.31 19% Revenue from Hospital Operations 390.17 317.73 23

Statement 1Q 1Q % Unit : THB million 2018 2017 change Revenue from non-social security 218.24 177.27 23% Revenue from social security 164.68 136.58 21% Revenue from Hospital Operations 382.92 313.85 22% Cost