X0206 3 2018-06-14 0 0001348036 AVALARA INC AVLR 0000929408 WARBURG PINCUS & CO. 450 LEXINGTON AVENUE NEW YORK NY 10017 0 0 1 0 0001540163 Warburg Pincus Private Equity XI, L.P. 450 LEXINGTON AVENUE NEW YORK NY 10017 0 0 1 0 0001742449 WPXI Finance, LP 450 LEXINGTON AVENUE NEW YORK NY 10017 0 0 1 0 0001540386 Warburg Pincus XI Partners, L.P. 450 LEXINGTON AVENUE NEW YORK NY 10017 0 0 1 0 0001743648 WPXI GP, L.P. 450 LEXINGTON AVENUE NEW YORK NY 10017 0 0 1 0 0001540167 Warburg Pincus XI, L.P. 450 LEXINGTON AVENUE NEW YORK NY 10017 0 0 1 0 0001540385 WP Global LLC 450 LEXINGTON AVENUE NEW YORK NY 10017 0 0 1 0 0001658787 Warburg Pincus Partners II, L.P. 450 LEXINGTON AVENUE NEW YORK NY 10017 0 0 1 0 0001621224 Warburg Pincus Partners GP LLC 450 LEXINGTON AVENUE NEW YORK NY 10017 0 0 1 0 0001162870 WARBURG PINCUS LLC 450 LEXINGTON AVENUE NEW YORK NY 10017 0 0 1 0 Common Stock 1281148 I See Footnotes Common Stock 67419 I See Footnotes Series A-1 Preferred Stock Common Stock 78670 I See Footnotes Series A-1 Preferred Stock Common Stock 4140 I See Footnotes Series B Preferred Stock Common Stock 45629 I See Footnotes Series B Preferred Stock Common Stock 2401 I See Footnotes Series D Preferred Stock Common Stock 88011 I See Footnotes Series D Preferred Stock Common Stock 4632 I See Footnotes Series D-1 Preferred Stock Common Stock 17286391 I See Footnotes Series D-1 Preferred Stock Common Stock 909810 I See Footnotes Series D-2 Preferred Stock Common Stock 6463011 I See Footnotes Series D-2 Preferred Stock Common Stock 340158 I See Footnotes Warburg Pincus Private Equity XI, L.P. ("WPXI") holds shares through its subsidiary, WPXI Finance, LP ("WPXIF"). Warburg Pincus XI Partners, L.P. ("WPXI Partners") also hold shares and together with WPXI is referred to as the "WPXI Funds." WPXI GP, L.P. ("WPXIF GP") is the managing general partner of WPXIF. WPXI is the general partner of WPXIF GP. Warburg Pincus XI, L.P. ("WP XI GP") is the general partner of each of WPXI and WPXI Partners. WP Global LLC ("WP Global") is the general partner of WP XI GP. Warburg Pincus Partners II, L.P. ("WPP II") is the managing member of WP Global. Warburg Pincus Partners GP LLC ("WPP GP LLC") is the general partner of WPP II. Warburg Pincus & Co. ("WP") is the managing member of WPP GP LLC. Warburg Pincus LLC ("WP LLC") is the manager of the WPXI Funds. (Continued from Footnote 1) Charles R. Kaye and Joseph P. Landy are each Managing General Partners of WP and Managing Members and Co-Chief Executive Officers of WP LLC and may be deemed to control the Warburg Pincus entities. Messrs. Kaye and Landy disclaim beneficial ownership of all shares held by the WPXI Funds entities. Mr. Sadrian, a director of the Issuer, is a Partner of WP and a Member and Managing Director of WP LLC. Shares held by WPXI through its subsidiary WPXIF. Each of WPXIF GP, WPXI Partners, WP XI GP, WP Global, WPP II, WPP GP LLC, WP and WP LLC, and Messrs. Kaye, Landy and Sadrian disclaim beneficial ownership of such securities, except to the extent of its or his pecuniary interest therein, if any. Shares held directly by WPXI Partners. Each of WPXI, WPXIF, WPXIF GP, WP XI GP, WP Global, WPP II, WPP GP LLC, WP, WP LLC, and Messrs. Kaye, Landy and Sadrian disclaim beneficial ownership of such securities, except to the extent of its or his pecuniary interest therein, if any. Shares of preferred stock are convertible, at the option of the holder, into shares of common stock on a 2-to-1 basis and will automatically convert into shares of common stock on a 2-to-1 basis immediately prior to the closing of the Issuer's initial public offering. The preferred stock has no expiration date. Form 1 of 2. Two reports are filed that relate to the same transactions. See Form 2 of 2 for additional reporting owners. Exhibit 24 power of attorney filed herewith. Exhibit 99.1 list of reporting owners and signature page filed herewith. WARBURG PINCUS & Co. by Robert B. Knauss, Partner, /s/ Robert B. Knauss 2018-06-14 *See Exhibit 99.1 for signatures of other Reporting Owners 2018-06-14