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Zayo Expands Los Angeles Data Center Presence

Press Release

Large anchor tenant, strong customer demand drive expansion

BOULDER, Colo. –
Zayo Group Holdings, Inc. (NYSE: ZAYO) will significantly expand its Los
Angeles data center presence with a new location at One Wilshire
Building, 624 S Grand Ave. The facility will add 24,215 total square
feet and two megawatts (MW) of critical power, and is the company’s
fifth data center in California. The expansion is driven by strong
customer demand in Los Angeles, including a new agreement with a major
webscale company as an anchor tenant in the space.

One Wilshire in Los Angeles is the preeminent point of connectivity
between North America and Asia’s Pacific Coast, making it one of the
most significant carrier hotels in the world. Customers are able to
connect to over 240 carriers within the building, along with nearly 110
cloud and IT service providers.

The data center complements Zayo’s Tier III facilities in nearby Irvine,
California, which are connected to One Wilshire via high-performance
dark fiber. Customers are able to connect to Zayo’s expansive fiber
network, which now includes a unique subsea fiber route up the coast of
California, recently acquired from Electric Lightwave.

“zColo’s One Wilshire data center will provide carrier-neutral
connectivity to all the major telecommunications and cloud providers,”
said TJ Karklins, senior vice president of Zayo’s zColo business
segment. “This facility will provide high-quality infrastructure to our
clients in the globally significant Los Angeles data center market.”

For more information on Zayo’s data centers, 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
126,000-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
Shannon Paulk,
Corporate Communications
, 720-306-7556
Investor Relations