) was Bt32,455mn, +6.0% YoY and +0.9% QoQ, resulting in YTD growth of 5.5%. Increasing 4G penetration (42%) and data usage (5.9GB/data sub/month) improved mobile revenue to stand at Bt31,569mn, +3.9% YoY

1 Executive Summary AIS continued to build on leadership in mobile data through improved 4G quality and brand perception. In 1Q17, CAPEX of Bt11.5bn was spent to strengthen 4G network quality through

the businesses in subsidiaries and associated the Company investing had improved operating results when compared to the same period last year. The business of mobile phone distribution business

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

revenue of Bt33,293mn, improving 2.9% YoY and 1.6% QoQ, driven by strong growth in fixed broadband and non- mobile enterprise business together with a recovery of mobile business. Mobile business improved

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

competition, AIS mobile service revenue was Bt130,062mn, grew 4.2% YoY based on subscriber growth of 2% and ARPU growth of 2%. Overall, price competition improved from FY18 when unlimited data plans were

handset sale. However, overall consumer spending remained weak and AIS continued to exercise cost measures to minimize effect from slowdown in revenue. Mobile competition slightly improved Amidst weak

1 3Q20 MD&A Advanced Info Service Plc. Executive Summary Continued economic impact on mobile business despite improved pandemic situation in Thailand With well-managed pandemic situation, domestic

package offerings. • Enterprise non-mobile revenue & others were at Bt6,274mn, improved 19%YoY from increasing demand of CCIID leading by Cloud Services and ICT Solutions following the digitization trend