X0306 4/A 2014-12-05 2014-12-08 1 0001322866 Kodiak Oil & Gas Corp KOG 0001394697 Catlin James E 1625 BROADWAY, SUITE 250 DENVER CO 80202 0 0 0 1 Former Exec Officer & Director Common Shares 2014-12-05 4 F 0 13399 6.59 D 1297641 D Common Shares 2014-12-08 4 D 0 1297641 D 0 D Common Shares 2014-12-08 4 D 0 300000 D 0 I Held by spouse Disposed of pursuant to an arrangement agreement dated July 13, 2014, between Kodiak Oil & Gas Corp. ("Issuer"), Whiting Petroleum Corporation ("Whiting") and 1007695 B.C. Ltd., wherein the reporting person received, for each existing share of common stock, restricted stock unit, and restricted share of Issuer held by the reporting person, 0.177 Whiting common shares, restricted stock units and restricted shares, respectively, having a market value of $37.25 per share (based on the closing price of Whiting's common stock on 12/5/14) on the effective date of the arrangement. All unvested restricted stock units and restricted shares became vested at the effective time of the arrangement. /s/ James E. Catlin 2014-12-10