X0306 4 2020-07-01 0 0001786352 Bill.com Holdings, Inc. BILL 0001366969 O'Driscoll Rory C/O BILL.COM HOLDINGS, INC. 1810 EMBARCADERO ROAD PALO ALTO CA 94306 1 0 0 0 Common Stock 2020-07-01 4 M 0 1250 A 2500 D Common Stock 5820 I See Footnote Common Stock 1797784 I See Footnote Restricted Stock Units 2020-07-01 4 M 0 1250 0.00 D Common Stock 1250 2500 D Each Restricted Stock Unit ("RSU") represents a contingent right to receive one share of the Issuer's Common Stock. Pursuant to the policies of Scale Venture Partners IV, LP, Scale Venture Management IV, LLC and Scale Management, LLC ("Scale Management"), the reporting person is deemed to hold the reported RSUs for the benefit of Scale Management. Scale Management may be deemed the indirect beneficial owner of the RSUs. The shares are held by a trust for which the reporting person serves as a trustee. The shares are held by Scale Venture Partners IV, L.P. ("ScaleIV LP"). Scale Venture Management IV, LLC ("ScaleVM LLC") is the general partner of Scale Venture Management IV, LP, the general partner of ScaleIV LP. ScaleVM LLC, the ultimate general partner of ScaleIV LP, has sole voting and dispositive power with respect to the shares held by ScaleIV LP. Rory O'Driscoll, a member of the Issuer's board of directors, Stacey Bishop, and Andrew Vitus are managers of ScaleVM LLC and share voting and dispositive power with respect to the shares held by ScaleIV LP. 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 2020-07-02