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Webscale Cloud Provider Selects Zayo for Metro Dark Fiber

Press Release

Solution leverages dense metro fiber in Chicago

BOULDER, Colo. –
A global webscale cloud provider has selected Zayo Group Holdings, Inc.
(NYSE: ZAYO) for metro dark fiber in Chicago. The project will connect
six data center locations with 20 diverse segments totaling 280 strands
across all segments, with up to 26 strands per segment. The solution is
built on Zayo’s dense metro network in Chicago, with more than 90
percent of the solution leveraging in-place network.

Demand for cloud services continues to grow, with experts predicting
that organizations will continue to shift their IT workloads and
infrastructure to off-premise data centers. Approximately 60 percent of
that infrastructure will operate in the cloud, according to a recent IDG
Cloud Computing Survey.
To make this distributed architecture work,
cloud providers and customers both rely on high-bandwidth connectivity
to transport workloads rapidly, reliably and securely.

“Zayo is well positioned to meet the needs of global cloud providers for
connectivity, both within their enterprise and to business customers,”
said Joe Stockhausen, vice president, Dark Fiber Solutions, Central
Region at Zayo. “Our fiber density, network diversity and ability to
meet aggressive delivery requirements were differentiators that won us
this deal.”

For more information on Zayo, please visit

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

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 25, 2016. 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


Zayo Group Holdings, Inc.
Shannon Paulk,
Corporate Communications
, 720-306-7556
Investor Relations