FOR IMMEDIATE RELEASE

HOUSTON, June 4, 2013 -- Atwood Oceanics, Inc.  (NYSE: ATW) announced today that
one  of its subsidiaries has been awarded  a drilling services contract by Shell
Offshore  Inc. for  the dynamically  positioned, ultra-deepwater semisubmersible
rig,  the Atwood Condor.  The contract has a term of 39 months from the date the
rig is assigned from Hess Corporation, which is expected to occur in late August
2013.  The  drilling program will be  performed in the U.S.  Gulf of Mexico at a
dayrate  of approximately $555,000.  This  contract will supersede the remainder
of the existing contract with Hess Corporation.

With  the award of this contract, the firm contractual commitment for the Atwood
Condor is expected to extend to November 2016.  This contract adds approximately
$502 million in revenue backlog.

Atwood  Oceanics, Inc. is  a global offshore  drilling contractor engaged in the
drilling  and completion of exploratory and developmental oil and gas wells. The
company  currently owns  13 mobile offshore  drilling units  and is constructing
three  ultra-deepwater  drillships.  The  company  was  founded  in  1968 and is
headquartered  in Houston, Texas.  Atwood Oceanics,  Inc. common stock is traded
on the New York Stock Exchange under the symbol "ATW."

                                                            Contact: Mark L. Mey
                                                                  (281) 749-7902

Forward Looking Statements

Statements contained in this press release with respect to the future, including
expected   commencement   and   contractual   commitment,   are  forward-looking
statements.  These  statements  reflect  management's  reasonable  judgment with
respect  to future  events. Forward-looking  statements are  subject to numerous
risks,  uncertainties and assumptions and actual results could differ materially
from  those anticipated as a result  of various factors including: uncertainties
related  to  the  level  of  activity  in  offshore  oil and gas exploration and
development;  oil  and  gas  prices;  competition  and  market conditions in the
contract  drilling industry;  the risks  inherent in  the construction of a rig;
delays  in  the  commencement  of  operations  of  a rig following delivery; our
ability to enter into and the terms of future contracts; possible cancelation or
suspension of drilling contracts; the availability of qualified personnel; labor
relations;  operating  hazards  and  risks;  terrorism  and  political and other
uncertainties  inherent  in  foreign  operations  (including  risk of war, civil
disturbances,   seizure  or  damage  to  equipment  and  exchange  and  currency
fluctuations); the impact of governmental and industry laws and regulations; and
environmental  matters. These factors and others  are described and discussed in
our  most  recently  filed  annual  report  on  Form 10-K, in our Forms 10-Q for
subsequent  periods and  in our  other filings  with the Securities and Exchange
Commission which are available on the SEC's website at www.sec.gov. Each forward
looking  statement speaks only as of the date of the particular statement and we
undertake  no duty to update  the content of this  press release or any forward-
looking statement contained herein to conform the statement to actual results or
to reflect changes in our expectations.


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Source: Atwood Oceanics, Inc. via Thomson Reuters ONE
[HUG#1707171]


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