CHICAGO–(BUSINESS WIRE)–Fitch Ratings has assigned a ‘BBB’ rating to American Tower Corporation’s (AMT) offering of senior unsecured notes due in 2022 and 2027. Net proceeds from the offering will be used to repay existing debt, including outstanding revolver borrowings on its 2013 and/or 2014 revolving credit facility as well as term loan borrowings. Proceeds may also be used for general corporate purposes. As of June 30, 2016, outstanding borrowings on AMT’s revolving credit facilities and