OCEAN RIG UDW INC. ANNOUNCES FINANCING AND CONTRACT DEVELOPMENTS

Nicosia, Cyprus - February 4, 2013 - Ocean Rig UDW 
Inc. (NASDAQ: ORIG) (the "Company" or "Ocean Rig"), a 
global provider of offshore deepwater drilling 
services, announced today the following:

$1.35 billion Bank Facility

The Company announced that it has received firm 
commitments from lenders for a $1.35 billion 
syndicated secured term loan to partially finance the 
construction costs of the Ocean Rig Mylos, the Ocean 
Rig Skyros and the Ocean Rig Athena. This facility has 
a 5 year term, and approximately an 11 year repayment 
profile. The facility bears interest at LIBOR plus a 
margin. Lead banks are DNB Bank and Nordea Bank 
supported by several other commercial lenders. Also 
participating in this financing are export credit 
agencies Garanti-Instituttet for Eksportkreditt 
(GIEK), Export Credit Norway and the Import-Export 
Bank of Korea (KEXIM). 

This agreement is subject to definitive documentation 
which the Company expects to complete in the first 
quarter of 2013.

Contract Award for the Eirik Raude

Ocean Rig has entered into definitive documentation 
for one of its semi-submersible drilling rigs, the 
Eirik Raude, with a major oil company. The drilling 
contract is for a firm four-well program plus options, 
with an estimated duration of about 12 months, for 
drilling offshore West Africa, with an estimated 
backlog of about $217 million, including mobilization 
and demobilization. The rig is scheduled to commence 
this contract in the second half of 2013, in direct 
continuation of its previous contract in Ireland.

About Ocean Rig
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 ultra-deepwater and 
harsh-environment segment of the offshore drilling 
industry. The company owns and operates 10 offshore 
ultra deepwater drilling units, comprising of 2 ultra 
deepwater semisubmersible drilling rigs and 8 ultra 
deepwater drillships, 3 of which remain to be 
delivered to the company during 2013 and 1 in 2015.
Visit the Company's website at www.ocean-rig.com.

Forward-Looking Statements
Matters discussed in this release may constitute 
forward-looking statements. Forwardlooking
statements relate to Ocean Rig's expectations, 
beliefs, intentions or strategies regarding the 
future. These statements may be identified by the use 
of words like "anticipate," "believe," "estimate," 
"expect," "intend," "may," "plan," "project," 
"should," "seek," and similar expressions. Forward-
looking statements reflect Ocean Rig's current views 
and assumptions with respect to future events and are 
subject to risks and uncertainties. The forward-
looking statements in this release are based upon 
various assumptions, may of which are based, in turn, 
upon further assumptions, including without 
limitation, management's examination of historical 
operating trends, data contained in Ocean Rig's 
records and other data available from third parties. 
Although Ocean Rig believes that these assumptions 
were reasonable when made, because these assumptions 
are inherently subject to significant uncertainties 
and contingencies which are difficult or impossible to 
predict and are beyond Ocean Rig's control,
Ocean Rig cannot assure you that it will achieve or 
accomplish these expectations, beliefs or projections 
described in the forward-looking statements contained 
herein. Actual and future results and trends could 
differ materially from those set forth in such 
statements. Important factors that, in Ocean Rig's 
view, could cause actual results to differ materially 
from those discussed in the forward-looking statements 
include (i) factors related to the offshore drilling 
market, including supply and demand, utilization, day 
rates and customer drilling programs; (ii);hazards 
inherent in the drilling industry and marine 
operations causing personal injury or loss of life, 
severe damage to or destruction of property and 
equipment, pollution or environmental damage, claims 
by third parties or customers and suspension of 
operations; (iii) changes in laws and governmental 
regulations, particularly with respect to 
environmental matters; (iv) the availability of 
competing offshore drilling vessels; (v) political and 
other uncertainties, including risks of terrorist 
acts, war and civil disturbances; piracy; significant 
governmental influence over many aspects of local 
economies, seizure; nationalization or expropriation 
of property or equipment; repudiation, nullification, 
modification or renegotiation of contracts; 
limitations on insurance coverage, such as war risk 
coverage, in certain areas; political unrest; foreign 
and U.S. monetary policy and foreign currency 
fluctuations and devaluations; the inability to 
repatriate income or capital; complications associated 
with repairing and replacing equipment in remote 
locations; import-export quotas, wage and price 
controls imposition of trade barriers; regulatory or 
financial requirements to comply with foreign 
bureaucratic actions; changing taxation policies; and 
other forms of government regulation and economic 
conditions that are beyond our control; (vi) the 
performance of our rigs; (vii) our ability to procure 
or have access to financing and comply with our loan 
covenants; (viii) our ability to successfully employ 
our drilling units; (ix) our capital expenditures, 
including the timing and cost of completion of capital 
projects; and (x) our revenues and expenses. Due to 
such uncertainties and risks, investors are cautioned 
not to place undue reliance upon such forward-looking 
statements.

Contact:
Investor Relations / Media:
Nicolas Bornozis
Capital Link, Inc. (New York)
Tel. 212-661-7566
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OCEAN RIG UDW INC. ANNOUNCES FINANCING AND CONTRACT DEVELOPMENTS