X0306 4 2021-06-07 0 0001786352 Bill.com Holdings, Inc. BILL 0001257430 JACOBS BRIAN C/O EMERGENCE EQUITY PARTNERS 160 BOVET ROAD, SUITE 300 SAN MATEO CA 94402 1 0 0 0 Common Stock 2021-06-07 4 G 0 2000 0.00 D 3000 D Common Stock 2021-06-07 4 G 0 2000 0.00 A 2000 I See Footnote Common Stock 2021-06-07 4 S 0 2000 152.3654 D 0 I See Footnote Common Stock 244965 I See Footnote The shares are held of record by MOAI Management LLC, of which the Reporting Person is the managing member. The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $152.25 to $152.41 per share, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote. The shares are held by the Brian D. Jacobs and Allison Lewis Jacobs Living Trust dated March 2, 1998. /s/ Rajesh Aji, Attorney-in-Fact 2021-06-08