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Zayo to Host Earnings Conference Call Thursday, November 10th, 2011

LOUISVILLE, Colo. – October 31, 2011–Zayo Group, LLC(“Zayo” or the “Company”) invites you to listen to its earnings call for the fiscal first quarter ended September 30, 2011 on Thursday, November 10th, 2011.

When: Thursday, November 10th, 2011 @ 9:00 a.m. MT/11:00 a.m. ET

Click this link to register and view the Webcast: https://cc.readytalk.com/r/xo8lihmxpyxg

Dial-in information for the audio portion of the Webcast:  800-682-8539

The Company will discuss a number of financial and operational metrics that are included in its earnings supplement presentation. This presentation will be available via the webcast.  Both the earnings supplement and playback recording will be available after the call through Zayo’s website at: http://www.zayo.com/financial-earnings-release.

If you have any questions, please contact Zayo Investor Relations at  877.437.5046 or IR@zayo.com.

About Zayo Group

Based in Louisville, Colo., privately owned Zayo Group (www.zayo.com) is a national provider of fiber-based bandwidth infrastructure and network-neutral colocation and interconnection services. Zayo serves wireline and wireless carriers, data centers, internet content and services companies, high bandwidth enterprises as well as federal, state and local government agencies. Zayo provides these services over regional, metro and fiber-to-the-tower networks. Zayo’s network assets include over 24,000 route miles, connecting 153 markets across 31 states plus Washington D.C. Additionally, Zayo has 4,400 buildings on-net, 2,000 cell towers on-net, and over 170,000 square feet of colocation space. Zayo was recently named one of the Denver-areas Fastest Growing Private Companies by the Denver Business Journal.  On October 7, 2011, Zayo Group announced the execution of a definitive agreement to acquire Seattle-based 360networks holdings (USA) inc. (“360networks”), a leading provider of fiber network and telecom services.  The transaction, subject to customary approvals, is expected to close by early 2012.

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Media Contact

Investor Relations
877-437-5046
IR@zayo.com