X0306 4 2020-01-02 0 0001512673 Square, Inc. SQ 0001222287 BOTHA ROELOF C/O SEQUOIA CAPITAL, 2800 SAND HILL ROAD SUITE 101 MENLO PARK CA 94025 1 0 0 0 Class A Common Stock 2020-01-02 4 A 0 219 0.00 A 7899 D Class A Common Stock 449988 I Sequoia Capital U.S. Venture 2010-Seed Fund, L.P. Class A Common Stock 848693 I Sequoia Capital U.S. Growth Fund IV, L.P. Class A Common Stock 35267 I Sequoia Capital USGF Principals Fund IV, L.P. Class A Common Stock 361073 I By estate planning vehicle Each share is represented by a restricted stock unit (RSU). Each RSU represents a contingent right to receive one share of the Issuer's Class A Common Stock upon settlement. The RSUs were issued pursuant to the Issuer's Outside Director Compensation Policy, and 100% of the RSUs were vested as of the date of grant. SC US (TTGP), Ltd. is the general partner of SC U.S. Venture 2010 Management, L.P., which is the general partner of Sequoia Capital U.S. Venture 2010-Seed Fund, L.P., or collectively, the Venture 2010 Funds. The Reporting Person is a Director of SC US (TTGP), Ltd. The Reporting Person disclaims beneficial ownership of the securities held by the Venture 2010 Funds except to the extent of his pecuniary interest therein, and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of the reported securities for purposes of Section 16 or for any other purposes. Reflects the return of 6,393 and 265 shares of Class A Common Stock from Sequoia Capital U.S. Growth Fund IV, L.P. and Sequoia Capital USGF Principals Fund IV, L.P., respectively, to the Issuer as an adjustment to the transaction consideration paid pursuant to the terms of the Agreement and Plan of Reorganization, dated April 26, 2018, by and among the Issuer, Weebly, Inc. and the other parties thereto and the related escrow agreement entered into in connection therewith. SC US (TTGP), Ltd. is the general partner of SCGF IV Management, L.P., which is the general partner of Sequoia Capital U.S. Growth Fund IV, L.P. and Sequoia Capital USGF Principals Fund IV, L.P., or collectively, the SC GFIV Funds. The Reporting Person is a Director of SC US (TTGP), Ltd. The Reporting Person disclaims beneficial ownership of the securities held by the SC GFIV Funds except to the extent of his pecuniary interest therein, and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of the reported securities for purposes of Section 16 or for any other purposes. /s/ Shahzia Rahman, Attorney-in-Fact 2020-01-06