On February 1, 2016 the Honorable Jed S. Rakoff of the United States District Court for the Southern District of New York certified a class of investors who purchased or otherwise acquired Petroleo Basileiro (“Petrobras”) securities between January 22, 2010 and July 28, 2015. Professor Steven Feinstein of Babson College and Crowninshield Financial Research provided expert reports about market efficiency.

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