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Zayo Expands Metro Fiber Networks in Europe

Press Release

Strategic expansions in London, Paris, Dublin and Amsterdam address
growing demand for bandwidth

BOULDER, Colo. –
Zayo Group Holdings, Inc. (NYSE: ZAYO) has announced success-based
expansions of its fiber networks in four European markets, including
London, Paris, Dublin and Amsterdam. Driven by demand from hyperscale,
cloud and data center providers as well as enterprise customers, these
strategic expansions will deliver fast, high-capacity fiber to key
centers of technology and commerce.

In London, Zayo is building a new fiber route from Hatfield,
Hertfordshire to Stratford, East London, as part of a strategic ring
outside of the city. The new route will support a number of current and
prospective customers with high-performance fiber, providing a new
option for long haul routes from Dublin to Amsterdam and enhanced
diversity for data center customers in Enfield. The expansion adds to
Zayo’s greater London footprint, which includes unique diverse and
triverse routing options via traditional conduits in footways and
carriageways as well as London’s largest sewer-based fiber network.

In Paris, Zayo is expanding its fiber footprint in La Defense, a major
business district west of the city limits. Zayo currently serves dozens
of customers located there over its high-capacity fiber network. The new
network extensions will expand Zayo’s reach to major office buildings in
the district. La Defense is one of the largest hubs of business and
commerce, including both French businesses and multinationals.

In Dublin, a multinational company has selected Zayo for a fully diverse
dark fiber ring around the metro area. The high-fiber count solution
will significantly improve latency for the customer, with the potential
for follow-on sales to many companies that have a presence in Dublin or
are considering investment and relocation in Ireland. The new routes
complement Zayo’s existing T50 fiber network in Dublin.

In Amsterdam, Zayo is upgrading and expanding its fiber network between
Schiphol-Rijk and the Amsterdam Science Park. The park is among Europe’s
largest centers of science, research and innovation and home to multiple
data centers. The upgrade is driven by a data center operator based in
the Schiphol-Rijk data center campus.

“These success-based network expansions will drive greater value for
existing and new customers in Europe, with a focus on carriers and
wireless operators, cloud service providers, technology, financial
services and data-driven enterprises,” said Annette Murphy, managing
director, Zayo Europe. “We continue to focus on leveraging our robust
network, meeting the demand for the highest capacity, lowest latency
fiber routes between key customer locations.”

These metro networks connect with Zayo’s extensive pan-European and
global fiber network, thousands of buildings and data centers, including
Zayo’s nine data centers located throughout Western Europe.

For more information, 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
128,900-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


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