Non-GAAP Gross Profit Non-GAAP Gross Profit (1) US$M Non-GAAP Gross 74% 76% 79% 81% Margin (%): $289 $250 $177 $124 2017 2018 2019 TTM 1. See appendix for a reconciliation of GAAP Gross Profit to non-GAAP Gross Profit 17