X0206 3 2020-10-20 0 0001825024 Supernova Partners Acquisition Company, Inc. SPNV 0001825023 Supernova Partners LLC C/O SUPERNOVA PRTNR ACQUISITION CO. INC. 4301 50TH STREET NW SUITE 300 PMB 1044 WASHINGTON DC 20016 0 0 1 0 0001524273 Rascoff Spencer M C/O SUPERNOVA PRTNR ACQUISITION CO. INC. 4301 50TH STREET NW SUITE 300 PMB 1044 WASHINGTON DC 20016 1 0 0 0 0001596965 Klabin Alexander C/O SUPERNOVA PRTNR ACQUISITION CO. INC. 4301 50TH STREET NW SUITE 300 PMB 1044 WASHINGTON DC 20016 1 0 0 0 0001296072 Reid Robert C/O SUPERNOVA PRTNR ACQUISITION CO. INC. 4301 50TH STREET NW SUITE 300 PMB 1044 WASHINGTON DC 20016 1 1 0 0 Chief Executive Officer 0001827853 Clifton Michael S. C/O SUPERNOVA PRTNR ACQUISITION CO. INC. 4301 50TH STREET NW SUITE 300 PMB 1044 WASHINGTON DC 20016 0 1 0 0 Chief Financial Officer Class B Common Stock Class A Common Stock 9861250 I See footnote The Class B common stock will automatically convert into shares of Class A common stock at the completion of the Issuer's initial business combination on a one-for-one basis, subject to adjustment. Supernova Partners LLC ("Sponsor") is the record holder of the shares reported herein. Sponsor is governed by a board of managers consisting of four managers: Messrs. Rascoff, Klabin, Reid, and Clifton. As such, each of Messrs. Rascoff, Klabin, Reid, and Clifton may be deemed to share beneficial ownership of the Class B common stock held directly by Sponsor. Each such individual disclaims any beneficial ownership of such shares other than to the extent of his pecuniary interest therein, if any. Exhibits List Exhibit 24.1 - Power of Attorney Exhibit 24.2 - Power of Attorney Exhibit 24.3 - Power of Attorney Supernova Partners LLC, By: /s/ Michael S. Clifton Manager 2020-10-20 /s/ Michael S. Clifton, as Attorney-in-Fact for Spencer M. Rascoff 2020-10-20 /s/ Michael S. Clifton, as Attorney-in-Fact for Alexander M. Klabin 2020-10-20 /s/ Michael S. Clifton, as Attorney-in-Fact for Robert D. Reid 2020-10-20 /s/ Michael S. Clifton 2020-10-20