Shift to mobile continues, but rate of growth starts to decline Mobile internet advertising dominated total revenues in 2017 On a year-over-year basis, mobile advertising revenue increased 36.2%, increasing its share of total revenues from 50.5% in FY 2016 to 56.7% in FY 2017. The result is a 5-year CAGR of 71.4%, continuing the increasing trend of total revenues from 2012 – 2017. Despite the continued shift to mobile, desktop revenues stay the course growing 5.8% to $38.1 billion. Total internet advertising revenues have grown at a 15.3% CAGR over the past 10 years, far outpacing every other media. PwC | IAB internet advertising revenue report 9