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Key deadline passes in Petrobras wage talks without agreement

RIO DE JANEIRO, Oct 1 (Reuters) - Brazilian state-run oil firm Petroleo Brasileiro SA has failed to reach a new labor agreement with the company's main unions by a Sept. 30 deadline, Petrobras said on Tuesday.

In a securities filing, Petrobras, as the company is known, said the current contract had also expired, a development that could increase the likelihood of strikes.

(Reporting by Marta Nogueira Writing by Gram Slattery Editing by Leslie Adler)