CINCINNATI--(BUSINESS WIRE)--Cincinnati Bell Inc. (NYSE:CBB) (“Cincinnati Bell”) announced today that its subsidiary plans to enter into a purchase agreement with CyrusOne Inc. (“CyrusOne”) to sell 4,300,000 operating partnership units (plus up to an additional 1,695,000 operating partnership units if the underwriters exercise their option described below) in CyrusOne’s operating partnership, CyrusOne LP. CyrusOne announced today it had commenced the public offering of 11,300,000 shares of its