Billings and Revenue Growth (1-3) (1-3) Billings Revenue US$M US$M Total YoY Growth (%): 43% 29% 21% Total YoY Growth (%): 39% 37% 31% B2B Billings 52% 33% 24% $359 YoYGrowth (%): $379 $400 $317 $294 $232 $206 88% $167 79% 2017 2018 2019 TTM 2017 2018 2019 TTM Individuals Business Customers 1. Business customer subscription terms typically range from 1 – 3 years 2. Individual customer subscription terms typically range from 1 month - 1 year 3. Substantial majority of business customers billed annually in advance 15