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Zayo Executives to Present at June Investor Conferences

BOULDER, Colo. – May 31, 2016 – Zayo Group Holdings, Inc. (NYSE: ZAYO) announced today that executives from the company will present at four investor conferences in June. The links to the live webcasts for the conferences will be available on the “Events & Presentations” page of Zayo’s website at: http://investors.zayo.com.

Chris Morley, COO, will present at the Cowen and Company 44th Annual Technology, Media and Telecom Conference at the New York Palace on Wednesday, June 1. Morley’s fireside chat presentation will be webcast live at 10:15 a.m. EDT.

Morley will also present at the D.A. Davidson 8th Annual Technology Forum at the Roosevelt Hotel in New York on Wednesday, June 1. Morley’s fireside chat presentation will be webcast live at 2:15 p.m. EDT.

Matt Erickson, co-COO, will present at the Stephens Spring Investment Conference at the New York Palace on Tuesday, June 7. Erickson’s presentation will be webcast live at 1:00 p.m. EDT.

Ken desGarennes, CFO, will present at the Barclays High Yield Bond and Syndicated Loan Conference at the Broadmoor Hotel in Colorado Springs on Thursday, June 9. desGarennes’ presentation will be webcast live at 11:30 a.m. MDT.

About Zayo Group

Zayo Group Holdings, Inc. (NYSE: ZAYO) provides communications infrastructure services, including fiber and bandwidth connectivity, colocation and cloud services to the world’s leading businesses. Customers include wireless and wireline carriers, media and content companies and finance, healthcare and other large enterprises. Zayo’s 112,000-mile network in North America and Europe includes extensive metro connectivity to thousands of buildings and data centers. In addition to high-capacity dark fiber, wavelength, Ethernet and other connectivity solutions, Zayo offers colocation and cloud services in its carrier-neutral data centers. Zayo provides clients with flexible, customized solutions and self-service through Tranzact, an innovative online platform for managing and purchasing bandwidth and services. For more information, visit zayo.com.