X0202 3 2007-04-05 0 0000008411 ATWOOD OCEANICS INC ATW 0001396028 Quintero Alan 15835 PARK TEN PLACE DRIVE HOUSTON TX 77084 0 1 0 0 Vice President - Engineering Atwood Oceanics, Inc. Common Stock 9000 D Nonqualified Stock Options 24.38 2007-12-04 Common Stock 10000 D Nonqualified Stock Options 18.88 2009-12-02 Common Stock 8750 D Nonqualified Stock Options 15.35 2010-12-07 Common Stock 1250 D Nonqualified Stock Options 16.08 2011-09-06 Common Stock 2000 D Nonqualified Stock Options 15.38 2012-09-12 Common Stock 8000 D Nonqualified Stock Options 13.50 2013-12-04 Common Stock 15000 D Nonqualified Stock Options 24.62 2014-12-02 Common Stock 15000 D Nonqualified Stock Options 37.15 2015-12-11 Common Stock 2000 D Nonqualified Stock Options 49.97 2016-12-07 Common Stock 3000 D These options were granted for a term of ten (10) years (pursuant to Atwood Oceanics, Inc. 1996 Plan), with twenty-five percent (25%) of such options becoming exercisable at each of two (2) years, three (3) years, four (4) years and five (5) years respectively, from the date of grant. These options were granted for a term of ten (10) years (pursuant to Atwood Oceanics, Inc. 2001 Plan), with twenty-five percent (25%) of such options becoming exercisable at each of one (1) year, two (2) years, (3) years and four (4) years respectively, from the date of grant Alan Quintero 2007-04-11