X0306 4 2020-07-01 0 0001512673 Square, Inc. SQ 0001658470 Henry Alyssa 1455 MARKET STREET SUITE 600 SAN FRANCISCO CA 94103 0 1 0 0 Seller Lead Class A Common Stock 2020-05-15 5 A 0 E 386 55.00 A 436845 D Class A Common Stock 2020-07-01 4 F 0 12915 115.90 D 423930 D These shares were acquired under the Issuer's Employee Stock Purchase Plan in a transaction that was exempt under both Rule 16b-3(d) and Rule 16b-3(c). Represents shares that have been withheld by the Issuer to satisfy its income tax and withholding and remittance obligations in connection with the net settlement of restricted stock and restricted stock units and does not represent a sale by the Reporting Person. /s/ Susan Szotek, Attorney-in-Fact 2020-07-06