CHICAGO--(BUSINESS WIRE)--Fitch Ratings believes the successful offering by Frontier Communications Corporation (Frontier; NYSE: FTR) of common and mandatory preferred equity in the total amount of $2.5 billion to $2.75 billion are supportive of its ultimate credit profile, and are a key part of its financing for the pending $10.5 billion Verizon line acquisition. Fitch anticipates reviewing the transaction and its financing in its entirety, and will maintain Frontier's 'BB' Issuer Default Rati