continues driving our revenue growth amidst the uncertainty in all business segments but faced challenges in the bottom line due to an impact from the increased cost. AIS takes efforts in executing cost

postponed their investments to transform as they focused to secure the bottom line. Classification: Internal FY22 MD&A Advanced Info Service Plc. 2 Mobile Business 4Q21 3Q22 4Q22 %YoY %QoQ Subscribers

2017 had more fluctuated by moving from the lowest point in the first quarter of 2016 then rebounded in the second quarter, and fell again in the third quarter and then turn back increasing Management’s

is not part of pass-through pricing formula with customers. Active dialogue is ongoing with customers to re- cover this cost increase. Aforesaid planned turnarounds in 2Q17 that impacted earnings, in

same quarter of last year. ⚫ Increase in cost of goods sold are mainly impact to minus in bottom line of 7.1 million baht. ⚫ Rising in selling expenses of 15% are from increasing in salesforce

restaurant and food center business improve in bottom line contribution, by lowering in losses of 52% or 16M THB, mainly are from subcontracting one of food center to third party. 3. Financial status analysis

expenses reduced. At the bottom level, there was no impact on net profit. This Thai Financial Reporting Standard had no effect for other income items. - Revenue from rent and service of MK Group grew

(raw material), COGs/revenue ratio of Q1/2019 are at high level. This is because of high stock level carried over Q4/2018.  Increase in cost of sales of are main impact to minus in bottom line. 3 / 4

quarter of last year. ⚫ Increase in cost of goods sold are mainly impact to minus in bottom line of 7.1 million baht. ⚫ Rising in selling expenses of 15% are from increasing in salesforce, transportation

further improve the bottom line. This improvement was mainly due to decrease of personnel cost by 16.8%. Finance costs in FY2020/21 shown an increase by 31.8% or by Baht 15.9 million, as compared to FY2019