Provision for Income Taxes Fiscal Year Ended Change Fiscal Year Ended Change 2019 2020 $ % 2020 2021 $ % (in thousands) Provision for income taxes $ 1,089 $ 6,321 $ 5,232 480 % $ 6,321 $ 11,916 $ 5,595 89 % % of Total revenue — % — % — % 1 % The provision for income taxes increased during fiscal 2021 compared to fiscal 2020 primarily attributable to an increase in foreign income taxes and the release of the valuation allowance related to unrealized gains on available-for-sale securities from fiscal 2020. The provision for income taxes increased during fiscal 2020 compared to fiscal 2019 primarily attributable to the fiscal 2019 U.S. valuation allowance release of $3.7 million related to the StorReduce acquisition and higher foreign income taxes during fiscal 2020. 44