X0306 4 2022-10-03 0 0001512673 Block, 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 2022-10-03 4 A 0 250 0.00 A 18227 D Class A Common Stock 1862 I Sequoia Capital U.S. Growth Fund IV, L.P. Class A Common Stock 77 I Sequoia Capital USGF Principals Fund IV, L.P. Class A Common Stock 684741 I By estate planning vehicle Class A Common Stock 11388 I Sequoia Capital U.S. Venture Fund XV, L.P. Class A Common Stock 479 I Sequoia Capital U.S. Venture Partners Fund XV (Q), L.P. Class A Common Stock 171 I Sequoia Capital U.S. Venture Partners Fund XV, L.P. Class A Common Stock 1750 I Sequoia Capital U.S. Venture XV Principals Fund, L.P. 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 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. SC US (TTGP), Ltd. is the general partner of SC U.S. Venture XV Management, L.P., which is the general partner of Sequoia Capital U.S. Venture Fund XV, L.P., Sequoia Capital U.S. Venture Partners Fund XV (Q), L.P., Sequoia Capital U.S. Venture Partners Fund XV, L.P. and Sequoia Capital U.S. Venture XV Principals Fund, L.P., or collectively, the SC USV XV 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 USV XV 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/ Susan Szotek, Attorney-in-Fact 2022-10-05