1 3Q19 MD&A Advanced Info Service Plc. Executive Summary Mobile revenue driven by postpaid price adjustment In 3Q19, the postpaid segment continued its growth as we continued to adjust postpaid price

in Joint Ventures 87.3 75.5 11.8 15.6% Investments in related party 85.0 - 85.0 100.0% Equipment for lease 182.6 215.7 (33.1) (15.4)% Total Assets 4,813.6 4,511.8 301.8 6.7 % Assets As of June 30, 2017

36.1 47.8% Investments in related party 85.0 - 85.0 100.0% Equipment for lease 160.7 215.7 (55.0) (25.5)% Intangible assets 38.6 25.1 13.5 53.8% Total Assets 5,055.7 4,511.8 543.9 12.1 % Assets As of

1 2Q19 MD&A Advanced Info Service Plc. Executive Summary Competition in mobile saw an improvement In 2Q19 the price competition in mobile industry had improved with fixed speed unlimited data pricing

equipment for lease 118.9 141.0 (22.1) (15.7) Cost of Sales and Service 5,882.8 3,301.1 2,581.7 78.2 Cost of equipment for lease 59.1 89.4 (30.3) (33.9) Selling Expenses 215.3 185.0 30.3 16.4 Administrative

1 2Q20 MD&A Advanced Info Service Plc. Executive Summary 2Q20 reflected the full effect of COVID-19 The effect from COVID-19 pandemic which had begun since Feb- 20 continued to fully develop in 2Q20

1 2017 MD&A Advanced Info Service Plc. Executive Summary In 2017, mobile business improved from stronger 4G positioning amidst competitive environment. Competitive landscape remained challenging in

1 1Q19 MD&A Advanced Info Service Plc. Executive Summary Mobile growth remained soft from ongoing price competition Overall mobile market in 1Q19 reflected industry's effort in gradually

20231030-ADVANC-MDA-3Q23-EN 3Q23 MD&A Advanced Info Service Plc. 1 Executive Summary 3Q23 illustrated AIS core business growth from quality focus despite low season challenges. 3Q23 Thai economy

to misappropriate 80.1 million Baht from Rayong Wire Industries, an Eastern Wire subsidiary, through a contract for advanced procurement of raw materials with Union Gas and Chemicals Co., Ltd. in 2004