CHICAGO--(BUSINESS WIRE)--Fitch Ratings has assigned a 'BBB' rating to Petroleo Brasileiro S.A.'s (Petrobras) proposed senior unsecured notes issuance for USD8.5 billion. The notes, which will have tenures between three and 30 years, will be issued through its wholly owned subsidiary, Petrobras Global Finance B.V. (PGF), and will be...
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