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Zayo to Host Earnings Conference Call Friday, September 9th, 2011

LOUISVILLE, Colo.– August 31, 2011–Zayo Group, LLC (“Zayo” or the “Company”), a provider of bandwidth infrastructure and network neutral colocation, invites you to listen to its earnings call for the fiscal fourth quarter and year ended June 30, 2011 on Friday, September 9, 2011.

When: Friday, September 9, 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/gc68lf762kn9
Dial-in information for the audio portion of the Webcast:  800-732-6870

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 the 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 23,000 route miles, connecting 153 markets across 31 states plus Washington D.C. Additionally, Zayo has over 4,200 buildings on-net, more than 1,800 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.

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Media Contact

Brittany Sever
303.381.3268
bsever@zayo.com