X0303 4 2011-02-28 0000277595 ENERGEN CORP EGN 0001181831 WOODRUFF J DAVID JR 605 RICHARD ARRINGTON JR. BLVD. NORTH BIRMINGHAM AL 35203-2707 0 1 0 0 General Counsel and Secretary Common Stock (ESP) 27060 I ESP Common Stock (Deferred) 2011-02-28 4 A 0 10 61.10 A 277 D Common Stock (IRA) 1500 D Common Stock 66203 D Stock Option (Right to Buy) (ISO) 11.315 2004-10-24 2011-10-23 Common Stock 3600 3600 D Stock Option (Right to Buy) (ISO) 14.855 2006-01-29 2013-01-28 Common Stock 6730 6730 D Stock Option (Right to Buy) (ISO) 21.375 2007-01-28 2014-01-27 Common Stock 4678 4678 D Stock Option (Right to Buy) (NQ) 21.375 2007-01-28 2014-01-27 Common Stock 882 882 D Stock Option (Right to Buy) (NQ) 46.45 2017-01-23 Common Stock 13855 13855 D Stock Option (Right to Buy) (NQ) 60.56 2018-01-22 Common Stock 12100 12100 D Stock Option (Right to Buy) (NQ) 29.79 2019-01-27 Common Stock 31921 31921 D Stock Option (Right to Buy) (NQ) 46.69 2020-01-26 Common Stock 15468 15468 D Stock Option (Right to Buy) (NQ) 54.99 2021-01-25 Common Stock 14789 14789 D Energen Corporation Employee Savings Plan, number of shares and securities are estimates based on trustee's unit accounting. Energen Corporation Deferred Compensation Plan, number of securities is estimated based on recordkeepers' unit accounting. The option became exercisable in three annual installments of 4,618, 4,618 and 4,619 on January 24, 2008, 2009 and 2010, respectively. The option became exercisable in three annual installments of 4,033, 4,033 and 4,034 on January 23, 2009, 2010 and 2011, respectively. The option becomes exercisable in three annual installments of 10,640, 10,640 and 10,641 on January 28, 2010, 2011 and 2012, respectively. The option becomes exercisable in three equal installments of 5,156 each on January 27, 2011, 2012 and 2013. The option becomes exercisable in three annual installments of 4,929, 4,930 and 4,930 on January 26, 2012, 2013 and 2014, respectively. J. D. Woodruff 2011-03-02