Investor Presentaiton

Strong and improving performance in Slovakia... ...driven by growing base, improving mix & data uptake No. 1 4G LTE network coverage in Slovakia [1] over 95% 4G LTE (800/1800 MHz) population coverage WTTx/FWA BB & Pay TV via LTE TDD (3.5/3.7 GHz) & 4G LTE national fiber backbone & transmission network expansion Competitive data centric proposition rich data limits in top "O2 Pausal" tariffs profitable LTE handset sales installment model LTE HW penetration [2] at 55% (+12 p.p. y-o-y) Growing base & ARPU; strong brand blended APRU +3.7% (postpaid +3%) [3] 4G LTE coverage Customer base ('000; % postpay) +4.5% 1 916 2 002 62% 58% Sep 17 Sep 18 TECHBOX OPERÁTOR Revenue (growth rate in EUR) +9.7% EBITDA/margin (growth rate in EUR) roka 2017 +18.1% 36,2% 33,6% 02 SK voted "Operator of the Year" for the 8th consecutive year CSI maintained high at 81.7 points 9M 17 9M 18 9M 17 9M 18 14 [1] based on public information provided by other operators, [2] I per total number of handsets, [3] year-on-year growth rates in EUR O2

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