X0303 4 2011-01-03 0000798949 UNIT CORP UNT 0001012081 SCHELL MARK E 7130 SOUTH LEWIS, SUITE 1000 TULSA OK 74136 1 SR. V-P, General Counsel Common Stock 2011-01-03 4 F 0 413.0000 46.7100 D 39523.0000 D Common Stock 35327.0000 I By 401(k) Code F is being used to report shares withheld by the company as payment for tax liability incident to the vesting of the fourth and final installment of common stock under an award granted in December 2007. This information is based on a plan statement dated as of January 3, 2011. By April Adler under POA 2011-01-04