X0304 4 2012-03-05 0 0000085408 ROWAN COMPANIES INC RDC 0001326381 Hatfield Gregory Michael 2800 POST OAK BLVD SUITE 5450 HOUSTON TX 77056 0 1 0 0 Vice President & Controller Common Stock 2012-03-05 4 F 0 681 35.39 D 45081 D These shares were sold to the company in payment of a tax liability due to the vesting of restricted stock awarded to the reporting person. Such restricted stock vested on March 5, 2012. Sales price is the average stock price on March 5, 2012. Includes 10,794 shares of restricted stock held by the reporting person and 2,326 shares held in a savings plan account as of February 29, 2012. /s/ Melanie M. Trent, Attorney-in-Fact 2012-03-07