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Technology Manufacturer Selects Zayo for Colocation

Press Release

Transaction represents Zayo’s largest single contract for colocation
in 2018

BOULDER, Colo. –
A global technology manufacturer has selected Zayo Group Holdings, Inc.
(NYSE: ZAYO) for data center colocation. Zayo will provide the customer
with hundreds of cabinets in one of its U.S. data centers for
mission-critical processes and data.

The solution includes approximately 15,000 square feet of space. As part
of the contract, Zayo will also provide dark fiber connecting the data
center to the company’s offices.

Companies like this manufacturer rely on colocation for mission-critical
elements of its business. Zayo provides multi-layer physical security,
including biometrics, dual authenticated customer access and camera
surveillance. In addition, Zayo adheres to rigorous controls that have
been validated through independent audits.

“Zayo’s colocation enables our customers to manage and maintain their
own equipment in our high-performance, highly secure data centers,” said
Bruce Garrison, senior vice president of Zayo’s zColo business segment.
“In this case, we are serving as an extension of the customer’s
on-premise facilities with the additional benefit of providing the dark
fiber connectivity they require.”

Zayo’s zColo portfolio includes 51 data centers in more than 30 markets.
In addition to highly secure facilities with scalable space and power,
Zayo provides its customers with extensive connectivity over its global
fiber network.

For more information on Zayo, please visit

About Zayo Group

Zayo Group Holdings, Inc. (NYSE: ZAYO) provides communications
infrastructure solutions, 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
130,000-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 users with flexible,
customized solutions and self-service through Tranzact, an innovative
online platform for managing and purchasing bandwidth. For more
information, visit

Forward-Looking Statements

This press release contains a number of forward-looking statements.
Words, and variations of words such as “believe,” “expect,” “plan,”
“continue,” “will,” “should,” and similar expressions are intended to
identify our forward-looking statements. No assurance can be given that
future results expressed or implied by the forward-looking statements
will be achieved and actual results may differ materially from those
contemplated by the forward-looking statements. These forward-looking
statements involve risks and uncertainties, many of which are beyond our
control. For additional information on these and other factors that
could affect our forward-looking statements, see our risk factors, as
they may be amended from time to time, set forth in our filings with the
SEC, including our 10-K dated August 24, 2018. We disclaim and do not
undertake any obligation to update or revise any forward-looking
statement in this press release, except as required by applicable law or


Shannon Paulk, Corporate Communications

Brad Korch, Investor Relations