Ocean Rig UDW Inc. Announces Management Change

News Release Ocean Rig UDW Inc. (Corporate Head Office) October 4, 2012

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Nicosia, Cyprus – October 3, 2012 – Ocean Rig UDW Inc. (NASDAQ:
ORIG) (the
“Company” or “Ocean Rig”), a global provider of offshore deepwater
drilling
services, today announced that Pankaj Khanna, Chief Marketing
Officer, will be
stepping down from his position, effective October 2, 2012, to
pursue other interests.
His duties will be absorbed by the existing management team.
George Economou, Chairman and Chief Executive Officer of the
Company
commented: “It was a pleasure working with Pankaj, and we wish him
well in his
future endeavors.”</DIV></BODY></HTML>