2/24/2018 S-1 Table of Contents SUMMARY CONSOLIDATED FINANCIAL AND OTHER DATA The following summary consolidated financial data should be read in conjunction with “Management’s Discussion and Analysis of Financial Condition and Results of Operations” and the consolidated financial statements and related notes thereto included elsewhere in this prospectus. The consolidated statements of operations data for each of the years ended December 31, 2015, 2016, and 2017, and the consolidated balance sheet data as of December 31, 2017 are derived from our audited consolidated financial statements that are included elsewhere in this prospectus. Our historical results are not necessarily indicative of our future results. The summary consolidated financial data in this section are not intended to replace the consolidated financial statements and related notes thereto included elsewhere in this prospectus and are qualified in their entirety by the consolidated financial statements and related notes thereto included elsewhere in this prospectus. Consolidated Statements of Operations Data Year ended December 31, 2015 2016 2017 (In millions, except for per share amounts) Revenue $ 603.8 $ 844.8 $ 1,106.8 (1) Cost of revenue 407.4 390.6 368.9 Gross profit 196.4 454.2 737.9 (1) Operating expenses: Research and development 201.6 289.7 380.3 Sales and marketing 193.1 250.6 314.0 General and administrative 107.9 107.4 157.3 Total operating expenses 502.6 647.7 851.6 Loss from operations (306.2) (193.5) (113.7) Interest expense, net (15.2) (16.4) (11.0) Other income (expense), net (4.2) 4.9 13.2 Loss before income taxes (325.6) (205.0) (111.5) Provision for income taxes (0.3) (5.2) (0.2) Net loss $ (325.9) $ (210.2) $ (111.7) (2) Net loss per share attributable to common stockholders, basic and diluted $ (1.18) $ (0.74) $ (0.38) Weighted­average shares used in computing net loss per share attributable to common stockholders, basic and diluted 276.8 283.7 293.9 (2) Pro forma net loss per share attributable to common stockholders, basic and diluted $ (0.21) Weighted­average shares used in computing pro forma net loss per share attributable to common stockholders, basic and diluted 537.9 11 https://www.sec.gov/Archives/edgar/data/1467623/000119312518055809/d451946ds1.htm 18/235