Margin Profile Three months Three months Non-GAAP FY FY FY FY ended ended 1 2 2 2 % of revenue 2017 2018 2019 2020 Dec 31, Dec 31, 2020 2019 Gross Margin 85% 92% 92% 93% 94% 93% Research and Development 21% 16% 15% 17% 13% 11% Sales and Marketing 49% 41% 43% 45% 38% 37% General and Administrative 20% 16% 16% 15% 13% 12% Operating Margin (5%) 19% 18% 16% 31% 33% 1 See the Appendix for a reconciliation of GAAP to non-GAAP financial measures. 2 Alteryx adopted the new revenue recognition accounting standard Accounting Standards Codification (“ASC”) 606 effective January 1, 2018 on a modified retrospective basis. Financial results for the reporting periods during 2018 and 2019 are presented in accordance with the new revenue recognition standard. Historical financial results for the reporting periods prior to 2018 are presented in conformity with amounts previously disclosed under the prior revenue recognition standard ASC 605. Confidential │ ©2021 Alteryx, Inc. 28

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