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Zayo Executives to Present at February and March Investor Conferences

Press Release

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

Ken desGarennes, CFO, will present at the J.P. Morgan Global High Yield
& Leveraged Finance Conference at the Loews Miami Beach Hotel on Monday,
February 27.

Dan Caruso, chairman and CEO, will present at the Morgan Stanley
Technology, Media & Telecom Conference at the Palace Hotel in San
Francisco on Wednesday, March 1. Caruso’s presentation will be webcast
live at 2:50 p.m. PST.

Matt Steinfort, executive vice president of Corporate Strategy and
Finance, will present at the Raymond James 37th Annual Institutional
Investors Conference at the JW Marriott Grande Lakes Hotel in Orlando on
Wednesday, March 8. Steinfort’s presentation will be webcast live at
10:25 a.m. EST.

About Zayo Group

Zayo Group Holdings, Inc. (NYSE: ZAYO) provides communications
infrastructure services, including fiber and bandwidth connectivity,
colocation and cloud infrastructure 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
115,400-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 infrastructure
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.

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Zayo Group
Media:
Shannon Paulk,
303-577-5897
Corporate Communications
press@www.zayo.com
or
Investors:
Brad
Korch
, 720-306-7556
Investor Relations
IR@www.zayo.com