X0202 4 2007-12-27 0 0000949039 DIAMOND OFFSHORE DRILLING INC DO 0001249072 DICKERSON LAWRENCE R 15415 KATY FREEWAY SUITE 100 HOUSTON TX 77094 1 1 0 0 President and C.O.O. Common Stock 2007-12-27 4 M 0 1406 92.67 A 1406 D Common Stock 2007-12-27 4 F 0 892 146.02 D 514 D Common Stock 2007-12-27 4 S 0 514 143.6026 D 0 D Common Stock 2007-12-27 4 M 0 1406 83.44 A 1406 D Common Stock 2007-12-27 4 F 0 803 146.02 D 603 D Common Stock 2007-12-27 4 S 0 603 143.6026 D 0 D Common Stock 2007-12-27 4 M 0 1406 71.87 A 1406 D Common Stock 2007-12-27 4 F 0 692 146.02 D 714 D Common Stock 2007-12-27 4 S 0 714 143.6026 D 0 D Common Stock 2007-12-27 4 M 0 1406 79.77 A 1406 D Common Stock 2007-12-27 4 F 0 768 146.02 D 638 D Common Stock 2007-12-27 4 S 0 638 143.6026 D 0 D Stock Appreciation Right 92.67 2007-12-27 4 M 0 1406 0.00 D 2007-04-27 2016-04-27 Common Stock 1406 4219 D Stock Appreciation Right 83.44 2007-12-27 4 M 0 1406 0.00 D 2007-04-27 2016-07-03 Common Stock 1406 4219 D Stock Appreciation Right 71.87 2007-12-27 4 M 0 1406 0.00 D 2007-04-27 2016-10-02 Common Stock 1406 4219 D Stock Appreciation Right 79.77 2007-12-27 4 M 0 1406 0.00 D 2007-04-27 2016-12-31 Common Stock 1406 4219 D The stock appreciation rights vest in three annual installments beginning on April 27, 2008. /s/ William C. Long Attorney-in-Fact for Lawrence R. Dickerson 2007-12-31