AIS Mobile Market Strategy 2018

Profit rose from both revenue and cost improvement EBITDA expanded from improving operation (Bt bn) +11% YoY +0.5% QoQ 18.9 190 17.1 2Q17 1Q18 2Q18 AIS 1H18 EBITDA waterfall (Bt mn) +10% YoY 491 337 3,095 +10% YoY 37,903 (327) (147) 37.9 34,455 34.5 1H17 1H18 EBITDA Core 1H17 service Cost of SGA service Net Others EBITDA sale 1H18 revenue • 2Q18, EBITDA expanded from revenue improvement, controlled network OPEX and targeted marketing spending. • • Revenue generation was key to EBITDA increase in 1H18 Cost of service included net cost paid on TOT partnership EBITDA margin Net profit FY18 guidance of 45-47% (Bt bn) +11% YoY -0.4% QoQ 46.9% 47.0% 47.0% 8.0 8.0 43.8% 44.2% 7.2 46.2% 45.6% 45.0% 43.8% 44.2% 2Q17 1Q18 2Q18 -Reported +7.6% YoY 16.0 14.9 2Q17 1Q18 2Q18 1H17 1H18 1H17 1H18 • •Excl. equipment rental Net profit improved following EBITDA expansion, more than offsetting higher D&A. 12

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