Texas Education Service Center Region 11 Selects Zayo for New Infrastructure

Major E-Rate contract includes dark fiber and IP

Texas Education Service Center Region 11, serving more than 600,000 students and educators in north-central Texas, has selected Zayo Group Holdings, Inc. (NYSE: ZAYO) for dark fiber and IP services. The solution will predominantly leverage existing fiber and network under construction for the previously announced fiber-to-the-tower (FTT) project in Dallas-Fort Worth.

The dark fiber network will connect 122 locations in 77 school districts across a 10-county area in north-central Texas. The 1,178-mile solution consists of 440 miles of previously planned FTT build, 443 miles of existing network and 295 miles of new construction. The new network will be funded by the Region 11’s significant upfront investment in the project. The agreement also includes 100G IP connectivity.

Traditionally, many school districts and charter campuses have relied on legacy copper networks, wireless or patchwork solutions. With the widespread use of digital textbooks, streaming media and online testing, high-quality, high-speed internet has become fundamental to K-12 education. E-Rate is a federal program that subsidizes internet infrastructure so schools and libraries can provide high-speed internet.

“Our current solutions caused bandwidth to throttle and the network to experience congestion, which restricted us from using educational tools and technology that are vital to our curriculum,” said Rory Peacock, Deputy Executive Director for Technology Services at ESC Region 11. “Zayo’s infrastructure offers a high-capacity, cost-effective solution and will enable us to scale as bandwidth demands continue to grow.”

“Region 11 is one of the first educational regions in Texas to leverage E-Rate funded dark fiber,” said John DiLacqua, director of Zayo’s K-12 & E-Rate segment. “It’s a forward-looking decision that will give them the ability to increase bandwidth as they need it. Educators and students will be able to use the full array of innovative tools and technology that continue to provide an important new dimension to learning.”

Zayo has implemented E-Rate-funded solutions in Colorado, Georgia, California, Arizona, Idaho, Indiana, Kansas, Michigan, Minnesota, New York, Texas, Utah and Washington. For more information on Zayo’s E-Rate certified services, visit http://www.zayo.com/solutions/industries/research-education/.

About Zayo Group

Zayo Group Holdings, Inc. (NYSE: ZAYO) provides communications infrastructure services, including fiber and bandwidth connectivity, colocation and cloud services 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 112,000-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 services 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 September 18, 2015. 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, 303-577-5897Corporate [e-mail]:Brad Korch, 720-306-7556Investor [e-mail]