Atwood Oceanics Announces Delay of Decision Deadline to Exercise Option to Construct Additional Jack-Up Drilling Unit

Atwood Oceanics

, announced today that on June 9, 2011, one of its subsidiaries had reached an agreement with the PPL Shipyard PTE LTD to delay the required commitment date for the next Pacific Class 400 jack-up drilling unit option until December 31, 2011, concurrent with the commitment date for the last Pacific Class 400 jack-up unit option. At this time, the company has made no determination as to whether any of the two remaining options will be exercised.