BOULDER, Colo.--(BUSINESS WIRE)--Zayo Group, LLC (“Zayo”), a subsidiary of Zayo Group Holdings, Inc. (NYSE:ZAYO) and international provider of Bandwidth Infrastructure services, announced today that it intends to offer, subject to market and other conditions, $350 million of Senior Notes due 2025 (the “2025 Senior Notes”). Concurrent with the closing of the 2025 Senior Notes offering, Zayo expects to enter into an amendment and restatement of its Credit Agreement (the “Amended and Restated Cred