X0306 4 2019-11-13 0 0001608249 Zayo Group Holdings, Inc. ZAYO 0001622435 Caruso Daniel 1821 30TH STREET, UNIT A BOULDER CO 80301 1 1 0 0 CEO Common Stock 2019-11-13 5 G 0 E 8066 D 0 I Bear Equity, LLC Common Stock 2019-11-13 5 G 0 E 4438 D 0 I Bear Investments, LLLP Common Stock 2019-11-13 5 G 0 E 372406 D 0 D Common Stock 2020-02-10 5 G 0 E 300000 D 3123666 I DPC Papa Bear Enterprises, LLC Common Stock 2020-02-10 4 D 0 127886 4464500.26 D 0 I Daniel P. Caruso Development Fund Common Stock 2020-02-10 4 A 0 127886 4464500.26 A 127886 D Common Stock 2020-02-10 4 G 0 127886 D 0 D Gift made to the Caruso Foundation The reporting person disclaims beneficial ownership of the shares held by Bear Equity LLC, except to the extent of his pecuniary interest therein. The reporting person disclaims beneficial ownership of the shares held by Bear Investments, LLLP, except to the extent of his pecuniary interest therein. The reporting person disclaims beneficial ownership of the shares held by DPC Papa Bear Enterprises, LLC, except to the extent of his pecuniary interest therein. The Daniel P. Caruso Development Fund swapped the reported number of shares to Daniel Caruso, the individual, in exchange for the cash consideration reported The reporting person disclaims beneficial ownership of the shares held by the Daniel P. Caruso Development Fund, except to the extent of his pecuniary interest therein. /s/ Shira Cooks, as attorney in fact 2020-03-09