X0202 4 2008-02-11 0 0001172139 BILL BARRETT CORP BBG 0001310798 Walker Huntington T 1099 18TH STREET, SUITE 2300 DENVER CO 80202 0 1 0 0 Senior Vice President Common Stock 69.89 I By 401(k) Plan Common Stock 2008-02-13 4 S 0 2000 46.055 D 97713 D Options: Right to Buy 42.83 2008-02-11 4 A 0 25000 0.00 A 2015-02-16 Common Stock 25000 25000 D These shares were sold pursuant to a Rule 10b5-1 trading plan dated December 13, 2007, which plan is intended to comply with Rule 10b5-1, and the representation contained in the Form 144 filed in connection with this transaction regarding the seller's lack of knowledge of material nonpublic information is as of the date of the trading plan. Includes 9,763 shares subject to forfeiture and vesting requirements. These options are exercisable 25% on each of February 16, 2009, 2010, 2011 and 2012. /s/ Francis B. Barron, as Attorney-in-Fact 2008-02-13