One Of Avalara’s Earliest And Largest Investors Opposes Sale Of Company To Vista Equity Partners

Dear Fellow Avalara Shareholders:

Altair US, LLC (“Altair” or “we”) is a longstanding investor in Avalara, Inc. (“Avalara” or the “Company”) (NYSE: AVLR). We first invested in the Company in 2004 as one of its earliest outside shareholders, and we purchased additional shares in all but one private investment round prior to the Company’s initial public of…