X0306 4 2020-06-02 0 0001348036 AVALARA, INC. AVLR 0001206780 GILHULY EDWARD A 255 SOUTH KING ST., SUITE 1800 SEATTLE WA 98104 1 0 0 0 Common Stock 2020-06-02 4 S 0 5769 105.62 D 316362 I See Footnote Common Stock 2020-06-02 4 S 0 15319 106.69 D 301043 I See Footnote Common Stock 2020-06-02 4 S 0 9355 107.53 D 291688 I See Footnote Common Stock 2020-06-02 4 S 0 28179 108.69 D 263509 I See Footnote Common Stock 2020-06-02 4 S 0 40305 109.37 D 223204 I See Footnote Common Stock 2020-06-02 4 S 0 3204 110.24 D 220000 I See Footnote Common Stock 1032 D The price reported is a weighted average price. These shares were sold in multiple transactions at prices ranging from $105.11 to $106.095, inclusive. Upon request by the Issuer, any security holder thereof, or the staff of the Securities and Exchange Commission, the Reporting Person will provide full information regarding the number of shares sold at each separate price within the ranges set forth in footnotes (1) and (3) through (7) to this Form 4. Reflects shares held by trusts for the benefit of members of the Reporting Person's family. The price reported is a weighted average price. These shares were sold in multiple transactions at prices ranging from $106.11 to $107.10, inclusive. The price reported is a weighted average price. These shares were sold in multiple transactions at prices ranging from $107.12 to $108.06, inclusive. The price reported is a weighted average price. These shares were sold in multiple transactions at prices ranging from $108.12 to $109.115, inclusive. The price reported is a weighted average price. These shares were sold in multiple transactions at prices ranging from $109.12 to $110.11, inclusive. The price reported is a weighted average price. These shares were sold in multiple transactions at prices ranging from $110.13 to $110.36, inclusive. /s/ Alesia L. Pinney, Attorney-in-Fact 2020-06-04