Ocean Rig UDW Inc. Announces Offering
of Common Stock


Nicosia, Cyprus – June 2, 2015

Ocean Rig UDW Inc. (NASDAQ: ORIG) (the “Company” or “Ocean Rig”) announced today that it has launched an offering of its common stock, par value $0.01 per share. As part of this offering, George Economou, our Chairman, President and Chief Executive Officer, has indicated his intention to purchase, at the public offering price, a number of common shares that maintains his direct ownership in Ocean Rig, representing approximately five percent of its common stock.

Clarksons Platou Securities, Inc., Pareto Securities Inc. and Seaport Global Securities LLC are acting as joint lead managers, joint bookrunners and placement agents in the offering. Clarksons Platou Securities AS and Pareto Securities AS are acting as placement agents. Clarksons Platou Securities AS and Pareto Securities AS are not U.S. registered broker-dealers and to the extent that this offering is made within the United States, their activities will be effected only to the extent permitted by Rule 15a-6 of the Securities Exchange Act of 1934, as amended. The Company intends to use the net proceeds from the offering for working capital and general corporate purposes, including the acquisition of drilling rigs.

The Company’s common shares trade on the Nasdaq Global Select Market under the symbol “ORIG.”

This press release shall not constitute an offer to sell or the solicitation of an offer to buy these securities, nor shall there be any sale of these securities, in any state or other jurisdiction in which such offer, solicitation or sale would be unlawful prior to registration or qualification under the securities laws of any such state or other jurisdiction. This offering is being made only by means of a prospectus supplement and accompanying base prospectus. A prospectus supplement related to the offering will be filed with the U.S. Securities and Exchange Commission (the “SEC”) and will be available on the SEC’s website located at www.sec.gov. When available, copies of the prospectus supplement and the accompanying prospectus relating to this offering may be obtained from Clarksons Platou Securities, Inc., 410 Park Avenue, Suite 710, New York, NY 10022, Attention: Raquel Lucas (or by e-mail at officeNY@platou.com), Pareto Securities Inc., 150 East 52nd Street, 29th Floor, New York, NY 10022, Attention: Kjersti Berg Tufta (or by e-mail at kbt@paretosec.com), or Seaport Global Securities LLC, 400 Poydras Street, Suite 3100, New Orleans, LA 70130, Attention: Amanda McAdams (or by e-mail at amcadams@ghsecurities.com).

The statements in this press release that are not historical facts may be forward-looking statements. These forward-looking statements involve risks and uncertainties, including those discussed below, that could cause the outcome to be materially different.

THE ISSUER HAS FILED A REGISTRATION STATEMENT (INCLUDING A PROSPECTUS) AND A PROSPECTUS SUPPLEMENT WITH THE SEC FOR THE OFFERING TO WHICH THIS COMMUNICATION RELATES. BEFORE YOU INVEST, YOU SHOULD READ THE PROSPECTUS SUPPLEMENT, THE PROSPECTUS IN THAT REGISTRATION STATEMENT AND OTHER DOCUMENTS THAT THE ISSUER HAS FILED WITH THE SEC FOR MORE COMPLETE INFORMATION ABOUT THE ISSUER AND THE OFFERING. YOU MAY OBTAIN THESE DOCUMENTS FOR FREE BY VISITING EDGAR ON THE SEC WEB SITE AT WWW.SEC.GOV. ALTERNATIVELY, THE ISSUER OR ANY PLACEMENT AGENT FOR THE OFFERING WILL ARRANGE TO SEND YOU THE PROSPECTUS AND THE PROSPECTUS SUPPLEMENT IF YOU REQUEST THEM OF CLARKSONS PLATOU SECURITIES, INC. BY CALLING 212-317-708 OR TOLL FREE 855-864-2265, PARETO SECURITIES INC. BY CALLING 212-829-4200 OR SEAPORT GLOBAL SECURITIES LLC, BY CALLING 646-264-5629.

About Ocean Rig UDW Inc.
Ocean Rig is an international offshore drilling contractor providing oilfield services for offshore oil and gas exploration, development and production drilling, and specializing in the ultradeepwater and harsh-environment segment of the offshore drilling industry. The Company owns and operates 13 offshore ultra deepwater drilling units, comprising of 2 ultra deepwater harsh-environment semisubmersible drilling rigs and 11 ultra deepwater drillships, 1 of which is scheduled to be delivered to the Company during 2016, 1 of which is scheduled to be delivered during 2018 and 1 of which is scheduled to be delivered during 2019.

Ocean Rig’s common stock is listed on the NASDAQ Global Select Market where it trades under the symbol “ORIG.”

Ocean Rig press release


Ocean Rig Poseidon