Key Operating Metrics and Non-GAAP Financial Measures UNAUDITED In thousands, except GPV and per share data THREE MONTHS ENDED Mar 31, 2018 Mar 31, 2017 Gross Payment Volume (GPV) (in millions) $ 17,827 $ 13,647 Adjusted Revenue $ 306,820 $ 203,776 Adjusted EBITDA $ 35,894 $ 27,025 Adjusted Net Income Per Share: Basic $ 0.07 $ 0.05 Diluted $ 0.06 $ 0.05 Adjusted Revenue Reconciliation UNAUDITED In thousands THREE MONTHS ENDED Mar 31, 2018 Mar 31, 2017 Total net revenue $ 668,603 $ 461,554 Less: transaction-based costs 327,911 257,778 Less: bitcoin costs 33,872 — Adjusted Revenue $ 306,820 $ 203,776 Adjusted EBITDA Reconciliation UNAUDITED In thousands THREE MONTHS ENDED Mar 31, 2018 Mar 31, 2017 Net loss $ (23,986) $ (15,090) Share-based compensation expense 46,824 31,670 Depreciation and amortization 10,160 9,437 Interest and other expense, net 2,819 499 Provision for income taxes 175 509 Gain on sale of property and equipment (98) — Adjusted EBITDA $ 35,894 $ 27,025 19