JOINT FILING AGREEMENTJoint Filing Agreement • February 12th, 2015 • Oak Investment Partners Xii L P • Telephone communications (no radiotelephone)
In accordance with Rule 13d-1(k)(1) promulgated under the Securities Exchange Act of 1934, as amended, the undersigned hereby agree to the joint filing with each other on behalf of each of them of such a statement on Schedule 13G with respect to the common stock beneficially owned by each of them of Zayo Group Holdings, Inc. This Joint Filing Agreement shall be included as an Exhibit to such Schedule 13G.
