X0407 4 2023-05-04 0 0001858257 AvidXchange Holdings, Inc. AVDX 0001627602 Harris Matthew C C/O BAIN CAPITAL VENTURE INVESTORS, LLC 200 CLARENDON STREET BOSTON MA 02116 1 0 0 0 0 Common Stock 2023-05-04 4 S 0 2839394 7.86 D 15139898 I See footnotes Consists of shares of common stock held directly by Bain Capital Venture Fund 2014, L.P. ("BCV Fund 2014"), Bain Capital Venture Coinvestment Fund, L.P. ("BCV Coinvest Fund"), BCIP Venture Associates ("BCIP Venture") and BCIP Venture Associates-B ("BCIP Venture-B" and, together with BCV Fund 2014, BCV Coinvest Fund and BCIP Venture, the "Bain Capital Venture Entities"). Bain Capital Venture Investors, LLC ("BCVI") (i) is the ultimate general partner of BCV Fund 2014 and BCV Coinvest Fund and (ii) governs the investment strategy and decision-making process with respect to investments held by each of BCIP Venture and BCIP Venture-B. Mr. Harris is a Partner of BCVI. By virtue of the relationships described in this footnote, Mr. Harris may be deemed to share voting and dispositive power with respect to the shares of common stock held by the Bain Capital Venture Entities. Mr. Harris disclaims beneficial ownership of such securities except to the extent of his pecuniary interest therein. /s/ Matthew C. Harris 2023-05-08