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Zayo to Host Earnings Conference Call

LOUISVILLE, Colo. – February 2, 2011 – Zayo Group (“Zayo”), a provider of bandwidth infrastructure and network neutral colocation, invites you to listen to its fiscal year second quarter earnings call on Friday, February 11, 2011.

What: Zayo Group Fiscal Year Second Quarter 2011 Earnings Call

When: Friday, February 11, 2011 @ 9:00 a.m. MST/11:00 a.m. EST

Where: http://www.talkpoint.com/viewer/starthere.asp?Pres=134244 or go to investor.zayo.com

Contact: Investor Relations Department at Zayo  877.437.5046 or IR@zayo.com

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 and for download from the investor.zayo.com page in advance of the call.

About Zayo Group

Based in Louisville, Colorado, privately owned Zayo Group (www.zayo.com) is a leading provider of fiber-based bandwidth infrastructure and network-neutral colocation and interconnection services.  Zayo Group is organized into autonomous business units supporting customers who require lit and dark fiber services and carrier neutral colocation.  Zayo’s business units provide these services over regional, metro and fiber-to-the-tower networks.  Zayo was recently ranked #23 on the ColoradoBiz Top 250 Private Companies in Colorado and its President and CEO, Dan Caruso, was recently named one of the “Eleven Colorado business people to watch in 2011” by the Denver Post.