X0306 4 2020-08-07 0 0001626450 BigCommerce Holdings, Inc. BIGC 0001645372 MURRAY STEVEN JOSEPH C/O BIGCOMMERCE HOLDINGS, INC. 11305 FOUR POINTS DR, BLDG II, 3RD FLOOR AUSTIN TX 78726 1 0 1 0 Series 1 Common Stock 2020-08-07 4 C 0 5603785 A 5603785 I By Revolution Growth II, LP Series 1 Common Stock 2020-08-07 4 C 0 279522 A 5883307 I By Revolution Growth II, LP Series 1 Common Stock 2020-08-07 4 C 0 616449 A 6499756 I By Revolution Growth II, LP Series 1 Common Stock 2020-08-07 4 C 0 2032894 A 2032894 I By Softbank Princeville Investments, L.P. Series 1 Common Stock 2020-08-07 4 C 0 259414 A 2292308 I By Softbank Princeville Investments, L.P. Series C Preferred Stock 2020-08-07 4 C 0 16393442 D Series 1 Common Stock 5603785 0 I By Revolution Growth II, LP Series D Preferred Stock 2020-08-07 4 C 0 794797 D Series 1 Common Stock 279522 0 I By Revolution Growth II, LP Series E Preferred Stock 2020-08-07 4 C 0 1849347 D Series 1 Common Stock 616449 0 I By Revolution Growth II, LP Series D Preferred Stock 2020-08-07 4 C 0 5780346 D Series 1 Common Stock 2032894 0 I By Softbank Princeville Investments, L.P. Series E Preferred Stock 2020-08-07 4 C 0 778244 D Series 1 Common Stock 259414 0 I By Softbank Princeville Investments, L.P. Series C Preferred Stock (a) automatically converted into the Issuer's Series 1 Common Stock at the applicable conversion ratio set forth in the Issuer's certificate of incorporation immediately prior to the completion of the Issuer's initial public offering of Series 1 Common Stock and (b) had no expiration date. Series D Preferred Stock (a) automatically converted into the Issuer's Series 1 Common Stock at the applicable conversion ratio set forth in the Issuer's certificate of incorporation immediately prior to the completion of the Issuer's initial public offering of Series 1 Common Stock and (b) had no expiration date. Series E Preferred Stock (a) automatically converted into the Issuer's Series 1 Common Stock at the applicable conversion ratio set forth in the Issuer's certificate of incorporation immediately prior to the completion of the Issuer's initial public offering of Series 1 Common Stock and (b) had no expiration date. The reported securities are held directly by Revolution Growth II, LP ("Revolution II"). The Reporting Person is the operating manager of Revolution Growth UGP II, LLC, the general partner of Revolution Growth GP II, LP, which is the general partner of Revolution II. Revolution Growth UGP II, LLC, Revolution Growth GP II, LP and the Reporting Person may be deemed to have voting and dispositive power with respect to these shares. The Reporting Person disclaims beneficial ownership of the shares held by Revolution II except to the extent of his pecuniary interest therein. The reported securities are held directly by Softbank Princeville Investments, L.P. ("Softbank Princeville"). The Reporting Person is the managing member of SB PV GP LLC, which is the general partner of SB PV GP, L.P., the general partner of Softbank Princeville. The Reporting Person may be deemed to have voting and dispositive power with respect to these shares. The Reporting Person disclaims beneficial ownership of the shares held by Softbank Princeville except to the extent of his pecuniary interest therein. /s/ Jeff Mengoli as Attorney-in-Fact for Steven Murray 2020-08-11