X0306 4 2020-10-01 0 0001786352 Bill.com Holdings, Inc. BILL 0001796200 Mawhinney Thomas C/O BILL.COM HOLDINGS, INC. 1800 EMBARCADERO ROAD PALO ALTO CA 94306 1 0 0 0 Common Stock 2020-10-01 4 M 0 1250 A 4711 D Common Stock 858403 I See Footnote Restricted Stock Units 2020-10-01 4 M 0 1250 0.00 D Common Stock 1250 1250 D Each Restricted Stock Unit ("RSU") represents a contingent right to receive one share of the Issuer's Common Stock. The shares are held by Icon Ventures IV, L.P. Icon Management Associates IV, LLC is the general partner of Icon Ventures IV, L.P. Joseph Horowitz, Thomas Mawhinney, a member of the Issuer's board of directors, and Jeb Miller are the managing members of Icon Management Associates IV, LLC and share voting and dispositive control with respect to the shares held by Icon Ventures IV, L.P. The RSUs shall vest in four (4) equal quarterly installments over the 12-month period beginning January 1, 2020, subject to continued service on each applicable vesting date. /s/ Rajesh Aji, Attorney-in-Fact 2020-10-05