MOSCOW, April 28 (Reuters) - Standard and Poor's ratings agency cut the credit ratings of state-controlled Russian energy companies Rosneft and Gazprom to BBB- from BBB on Monday, the agency said in a statement on its website.
The downgrade, to a notch above junk rating, came after the agency cut Russia's sovereign rating on Friday, also to BBB-, the lowest investment grade category. (Reporting by Lidia Kelly; Editing by Steve Gutterman)
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