X0306 4 2019-03-12 0 0001348036 AVALARA, INC. AVLR 0001741537 Goux Benjamin J. 255 SOUTH KING ST., SUITE 1800 SEATTLE WA 98104 1 0 0 0 Common Stock 2019-03-12 4 S 0 9000 53.26 D 52759 D Common Stock 1500 I As UTMA Custodian for son Common Stock 1500 I As UTMA Custodian for daughter Common Stock 1500 I As UTMA Custodian for daughter The sale was effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on November 19, 2018. The price reported is a weighted average price. These shares were sold in multiple transactions at prices ranging from $52.93 to $53.545, inclusive. Upon request by Avalara, Inc., 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 range. Excludes 1,567,444 shares held by Pioneer Venture Partners, LLC, or Pioneer, previously reported as indirectly held by the Reporting Person on a Form 4. The Reporting Person is Chief Financial Officer and has an economic membership interest in Pioneer but is not a managing member of Pioneer and does not have voting or dispositive power over the shares held by Pioneer. /s/ Alesia L. Pinney, Attorney-in-Fact 2019-03-14