Co-issuers U.S. regional fiber-based telecom infrastructure and neutral colocation provider Zayo Group LLC and Zayo Capital Inc. are tacking on $100 million to their $250 million 10.25% senior secured first-priority notes due 2017. We are also affirming all ratings on Zayo Group, including the 'B-' issue rating on the notes and the 'B' corporate credit rating. The stable outlook reflects the company's position as a niche operator within the regional-based telecom network sector with what we consider to be a highly leveraged financial policy. NEW YORK (Standard&Poor's) Sept. 13, 2010--Standard&Poor's Ratings Services said today it affirmed its 'B-' issue-level rating on Louisville, Colo.-based Zayo Group LLC (Zayo)'s $350 million 10.25% senior secured first-priority notes due 2017