Odyssey Marine Exploration Added to Russell 3000 and Russell Global Indexes

Odyssey Marine Exploration OMEX announced today that it has been added to the Russell 3000® and Russell Global® Indexes initially posted by Russell Investments on June 10, 2011, on www.russell.com. These changes went into effect after the close of trading on Friday, June 24, 2011, and will remain in place for the ensuing 12-month period. All Russell indexes are subindexes of the Global Index.