Accel Growth Fund Investors 2010 L.L.C. - 11 Jun 2021 Form 4 Insider Report for Squarespace, Inc.

Footnote F1

Accel Growth Fund Investors 2010 L.L.C. distributed, for no consideration, 31,250 shares of Class A Common Stock of the Issuer to its members, representing each such member's pro rata interest in such shares. All of the aforementioned distributions were made in accordance with the exemptions afforded by Rules 16a-13 and 16a-9 of the Securities Exchange Act of 1934, as amended.

Footnote F2

The shares are held of record by Accel Growth Fund Investors 2010 L.L.C. Andrew Braccia, Kevin Efrusy, Sameer Gandhi, Ping Li, Tracy Sedlock and Richard Wong are the managing members of Accel Growth Fund Investors 2010 L.L.C. Each managing member disclaims beneficial ownership except to the extent of their pecuniary interest therein.

Footnote F3

Accel Growth Fund L.P. distributed, for no consideration, 459,750 shares of Class A Common Stock of the Issuer to its partners, representing each such partner's pro rata interest in such shares. All of the aforementioned distributions were made in accordance with the exemptions afforded by Rules 16a-13 and 16a-9 of the Securities Exchange Act of 1934, as amended.

Footnote F4

The shares are held of record by Accel Growth Fund L.P. Accel Growth Fund Associates L.L.C. ("AGFA") is the general partner of Accel Growth Fund L.P. Andrew Braccia, Kevin Efrusy, Sameer Gandhi, Ping Li, Tracy Sedlock and Richard Wong are the managing members of AGFA. Each managing member disclaims beneficial ownership except to the extent of their pecuniary interest therein.

Footnote F5

Accel Growth Fund Strategic Partners L.P. distributed, for no consideration, 9,000 shares of Class A Common Stock of the Issuer to its partners, representing each such partner's pro rata interest in such shares. All of the aforementioned distributions were made in accordance with the exemptions afforded by Rules 16a-13 and 16a-9 of the Securities Exchange Act of 1934, as amended.

Footnote F6

The shares are held of record by Accel Growth Fund Strategic Partners L.P. AGFA is the general partner of Accel Growth Fund Strategic Partners L.P. Andrew Braccia, Kevin Efrusy, Sameer Gandhi, Ping Li, Tracy Sedlock and Richard Wong are the managing members of AGFA. Each managing member disclaims beneficial ownership except to the extent of their pecuniary interest therein.

Footnote F7

The shares are held of record by Accel Leaders 3 L.P. Accel Leaders 3 GP Associates L.L.C. ("AL3A") is the general partner of the general partner of Accel Leaders 3 L.P. Andrew Braccia, Sameer Gandhi, Ping Li, Tracy Sedlock, Ryan Sweeney and Richard Wong are the directors of AL3A. Each director disclaims ownership of all such shares except to the extent that he has a pecuniary interest therein.

Footnote F8

The shares are held of record by Accel Leaders 3 Entrepreneurs L.P. AL3A is the general partner of the general partner of Accel Leaders 3 Entrepreneurs L.P. Andrew Braccia, Sameer Gandhi, Ping Li, Tracy Sedlock, Ryan Sweeney and Richard Wong are the directors of AL3A. Each director disclaims ownership of all such shares except to the extent that he has a pecuniary interest therein.

Footnote F9

The shares are held of record by Accel Leaders 3 Investors (2020) L.P. AL3A is the general partner of Accel Leaders 3 Investors (2020) L.P. Andrew Braccia, Sameer Gandhi, Ping Li, Tracy Sedlock, Ryan Sweeney and Richard Wong are the directors of AL3A. Each director disclaims ownership of all such shares except to the extent that he has a pecuniary interest therein.