Global Healthcare Company Selects Zayo for Enterprise Solution

BOULDER, Colo. –
A Fortune 500 healthcare company has selected Zayo Group Holdings, Inc.
(NYSE: ZAYO) to expand its wide area network (WAN). The IP-VPN solution
will provide connectivity to more than 20 of its business offices. Zayo
is providing 1G capacity to accommodate future bandwidth needs, enabling
their network to be future ready.

The company is a customer of Zayo’s newly-formed Enterprise Networks
segment (Zayo Enterprise). Zayo Enterprise provides customers with
multi-product solutions, including network connectivity, cloud
infrastructure, security and managed solutions. In this case, Zayo has
expanded its business relationship with the customer and also provides
services to connect their global locations.

“We are a great option for this customer — and other enterprises —
because of our extensive network, advanced infrastructure solutions and
our team’s expertise,” said Mike Strople, president of Enterprise
Networks at Zayo. “Zayo Enterprise will continue to leverage these
differentiators to serve large companies that have growing bandwidth
requirements because of Big Data, cloud computing, the Internet of
Things (IoT) and other data-intensive applications.”

Zayo’s Enterprise solutions enable large enterprises to connect to
multiple locations, including Internet and cloud providers, virtualize
storage and business continuity, and protect their networks through
cybersecurity services with Zayo as the single provider. Network
connectivity products include Dedicated Internet Access (DIA), E-LAN,
IP-VPN, E-Line and CloudLink, dedicated connectivity to more than 50
cloud providers, including AWS, Microsoft Azure and Google Cloud
Interconnect. Cloud services include Infrastructure as a Service (IaaS),
Object-based Storage (OBS) and Disaster Recovery as a Service (DRaaS).
Zayo Enterprise also offers a full range of cybersecurity services,
including DDoS Mitigation, Managed Firewall and Advanced Threat
Management.

Zayo Enterprise works closely with customers to put together the right
customized solution. Zayo provides a continuum of managed services for
customers, including network connectivity with managed routers and
proactive notifications, managed storage providing scalable capacity and
speed, and a comprehensive suite of managed security. Zayo’s expert
customer service, combined with its Tranzact application, offers
enterprises personalized or online service options.

For more information about Zayo Enterprise Networks, please visit zayo.com/services/enterprise/.

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
122,000-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 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
regulation.

View source version on businesswire.com: http://www.businesswire.com/news/home/20170712005410/en/

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