X0306 4 2013-01-18 0001255474 WHITING PETROLEUM CORP WLL 0001401016 Ross Rick A Mr. 1700 BROADWAY, SUITE 2300 DENVER CO 80290-2300 1 Vice President Common Stock 2013-01-18 4 A 0 8150 0 A 34353 D Common Stock 2013-01-18 4 F 0 2699 48.30 D 31654 D 2011 Stock Option - Right to Purchase 60.285 2021-01-18 Common Stock 4100 4100 D Stock Option - Right to Purchase 34.31 2020-01-26 Common Stock 2572 2572 D Stock Option - Right to Purchase 12.755 2019-02-18 Common Stock 8318 8318 D Stock Option - Right to Purchase 51.22 2022-01-18 Common Stock 1731 1731 D Vesting to reporting person of restricted stock under the Whiting Petroleum Corporation 2003 Equity Incentive Plan upon attainment of performance criteria. Grant to reporting person of ten-year option to buy shares of common stock under the Whiting Petroleum Corporation 2003 Equity Incentive Plan. The option vests and becomes exercisable as follows: 1/3 on 1st anniversary of the date of grant, 2/3 on 2nd anniversary of the date of grant and 3/3 on 3rd anniversary of the date of grant. /s/ Bruce R. DeBoer, Attorney-in-Fact 2013-01-23