Cooper Cameron Board Approves 2-For-1 Stock Split

Cooper Cameron Corporation's board of directors has declared a 2-for-1 split of the Company's common stock in the form of a stock dividend, payable on December 15, 2005 to shareholders of record as of November 21, 2005. The split will increase Cooper Cameron’s total shares outstanding from 56.9 million to approximately 113.8 million.

Cooper Cameron Chairman, President and Chief Executive Officer Sheldon R. Erikson said, “This marks the second 2-for-1 split of Cooper Cameron’s stock in its ten-year history, and should be viewed as an indication of the Board’s confidence in both the Company’s current performance and its long-term outlook. We also believe that this will serve to make Cooper Cameron common stock a more affordable investment option for a larger universe of investors.”