Ocean Rig UDW Inc. Announces First Quarter 2012 Results Release Date, Conference Call and Webcast
News Release
Ocean Rig UDW Inc. (Corporate Head Office)
May 25, 2012
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<P align=left>Nicosia, Cyprus </FONT></FONT><FONT size=3 face=Arial><FONT size=3
face=Arial>– </FONT></FONT><FONT size=3 face=Arial><FONT size=3 face=Arial>May
23, 2012 - </FONT></FONT><FONT size=3 face=Arial><FONT size=3 face=Arial>Ocean
Rig UDW Inc. (“Ocean Rig”), </FONT></FONT><FONT size=3 face=Arial><FONT size=3
face=Arial>(NASDAQ:</P>
<P align=left>ORIG) a global provider of offshore deepwater drilling services
announced today that it</P>
<P align=left>will release its results for the first quarter ended March 31,
2012 after the market closes</P>
<P align=left>in New York on Tuesday, May 29, 2012.</P></FONT></FONT><B><FONT
size=3 face=Arial><FONT size=3 face=Arial>
<P align=left>Conference Call details:</P></B></FONT></FONT><FONT
face="Times New Roman">
<P align=left>Wednesday, May 30, 2012, at 8:00 a.m. </FONT><FONT size=3
face=Arial><FONT size=3 face=Arial>EDT</P>
<P align=left>Participants should dial into the call 10 minutes before the
scheduled time using the</P>
<P align=left>following numbers: 1(866) 819-7111 (from the US), 0(800) 953-0329
(from the UK) or</P>
<P align=left>+(44) (0) 1452 542 301 (from outside the US). Please quote "Ocean
Rig."</P>
<P align=left>A replay of the conference call will be available until June 6,
2012. The United States</P>
<P align=left>replay number is 1(866) 247-4222; from the UK 0(800) 953-1533; the
standard</P>
<P align=left>international replay number is (+44) (0) 1452 550 000 and the
access code required</P>
<P align=left>for the replay is: 55592075#.</P></FONT></FONT><B><FONT size=3
face=Arial><FONT size=3 face=Arial>
<P align=left>Slides and audio webcast:</P></B></FONT></FONT><FONT size=3
face=Arial><FONT size=3 face=Arial>
<P align=left>There will also be a simultaneous live webcast over the Internet,
through the Ocean</P>
<P align=left>Rig UDW Inc. website www.ocean-rig.com. Participants to the live
webcast should</P>
<P>register on the website approximately 10 minutes prior to the start of the
webcast.</P></FONT></FONT></DIV></BODY></HTML>
<HTML><HEAD><TITLE></TITLE>
<META content="text/html; charset=unicode" http-equiv=Content-Type>
<META name=GENERATOR content="MSHTML 8.00.6001.19222"></HEAD>
<BODY>
<DIV><FONT size=3 face=Arial><FONT size=3 face=Arial>
<P align=left>Nicosia, Cyprus </FONT></FONT><FONT size=3 face=Arial><FONT size=3
face=Arial>– </FONT></FONT><FONT size=3 face=Arial><FONT size=3 face=Arial>May
23, 2012 - </FONT></FONT><FONT size=3 face=Arial><FONT size=3 face=Arial>Ocean
Rig UDW Inc. (“Ocean Rig”), </FONT></FONT><FONT size=3 face=Arial><FONT size=3
face=Arial>(NASDAQ:</P>
<P align=left>ORIG) a global provider of offshore deepwater drilling services
announced today that it</P>
<P align=left>will release its results for the first quarter ended March 31,
2012 after the market closes</P>
<P align=left>in New York on Tuesday, May 29, 2012.</P></FONT></FONT><B><FONT
size=3 face=Arial><FONT size=3 face=Arial>
<P align=left>Conference Call details:</P></B></FONT></FONT><FONT
face="Times New Roman">
<P align=left>Wednesday, May 30, 2012, at 8:00 a.m. </FONT><FONT size=3
face=Arial><FONT size=3 face=Arial>EDT</P>
<P align=left>Participants should dial into the call 10 minutes before the
scheduled time using the</P>
<P align=left>following numbers: 1(866) 819-7111 (from the US), 0(800) 953-0329
(from the UK) or</P>
<P align=left>+(44) (0) 1452 542 301 (from outside the US). Please quote "Ocean
Rig."</P>
<P align=left>A replay of the conference call will be available until June 6,
2012. The United States</P>
<P align=left>replay number is 1(866) 247-4222; from the UK 0(800) 953-1533; the
standard</P>
<P align=left>international replay number is (+44) (0) 1452 550 000 and the
access code required</P>
<P align=left>for the replay is: 55592075#.</P></FONT></FONT><B><FONT size=3
face=Arial><FONT size=3 face=Arial>
<P align=left>Slides and audio webcast:</P></B></FONT></FONT><FONT size=3
face=Arial><FONT size=3 face=Arial>
<P align=left>There will also be a simultaneous live webcast over the Internet,
through the Ocean</P>
<P align=left>Rig UDW Inc. website www.ocean-rig.com. Participants to the live
webcast should</P>
<P>register on the website approximately 10 minutes prior to the start of the
webcast.</P></FONT></FONT></DIV></BODY></HTML>