Certain Common Stock of Bill Barrett Corporation are subject to a Lock-Up Agreement Ending on 20-JAN-2017. These Common Stock will be under lockup for 45 days starting from 6-DEC-2016 to 20-JAN-2017. Details: Each of directors and executive officers have agreed that for a period of 45 days from the date of the prospectus that they will not dispose of or hedge any shares or any securities convertible into or exchangeable for common stock without the prior written consent of the J.P. Morgan Securities LLC.