Zoom divides the Current Period ARR by the Prior Period ARR to arrive at the net dollar expansion rate. For the trailing 12 months calculation, Zoom takes an average of the net dollar expansion rate over the trailing 12 months. Press Relations Colleen Rodriguez Global Public Relations Lead for Zoom Investor Relations Tom McCallum Head of Investor Relations for Zoom Zoom Video Communications, Inc. Condensed Consolidated Balance Sheets (In thousands) Note: The amount of unbilled accounts receivable included within accounts receivable, net on the condensed consolidated balance sheets was $48.6 million and $24.6 million as of October 31, 2021 and January 31, 2021, respectively.