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Zayo Executives to Present at Citi TMT West Conference

Press Release

BOULDER, Colo. –
Zayo Group Holdings, Inc. (NYSE: ZAYO) announced today that Andrew
Crouch, president and COO, and Jack Waters, CTO and president of Fiber
Solutions, will present at the Citi TMT West Conference at The Bellagio
Hotel in Las Vegas on Tuesday, January 9, 2018. The presentation will be
webcast live at 11:00 a.m. PST.

The link to the live webcast for the conference will be made available
through the Investor Relations section of the Company’s website at: http://investors.zayo.com.

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
126,000-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 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 Holdings, Inc.
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