Zayo Debuts SD-WAN Offering

BOULDER, Colo. –
Zayo Group Holdings, Inc. (NYSE: ZAYO) today announced the launch of its
software defined wide area network (SD-WAN) solution. Zayo’s
SD-WAN is an integrated extension of Zayo’s fiber-based IP/MPLS
backbone offerings that makes enterprises’ networks easier to manage,
improves performance and enhances reliability and failover options.

In today’s IT environment, enterprises need to accommodate a growing
number of users accessing the network from a wide array of locations
with widely varying access options. Cloud-based enterprise applications
add another layer of complexity. As a result, WAN management has become
more challenging and resource intensive.

Zayo’s SD-WAN streamlines WAN management and is available in both basic
and advanced packages, including managed and unmanaged options. The
solution enables flexible, cost-effective location integration and
service provisioning, incorporating MPLS, internet and LTE into primary
and multi-path configurations. Dynamic traffic steering prioritizes
traffic at the application level to the paths available to deliver an
optimal network performance. Zayo’s SD-WAN integrates seamlessly with
both internet and IP-VPN connections to provide greater capacity and
resiliency.

With the launch of SD-WAN, Zayo enhances its portfolio of WAN solutions
that already includes a robust array of IP and Ethernet-based solutions
and managed and unmanaged solutions, to fit the customer’s network
preference. Customers have portal access to monitor and optimize their
traffic, down to the application level, or they can fully outsource the
network management to Zayo.

“The WAN is one of the most critical components of any enterprise
network infrastructure and can be complex and challenging to manage,”
said Mike Strople, president of Zayo Enterprise Networks. “Zayo’s SD-WAN
makes WAN management easier and more efficient, providing better
performance, flexibility and reliability.”

For more information on Zayo, please visit 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.

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 22, 2017. 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
regulation.

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