Type	Name	Date
Indenture	First Supplemental Indenture, among Kodiak Oil & Gas Corp., Kodiak Oil & Gas (USA) Inc., Kodiak Williston, LLC, KOG Finance, LLC, KOG Oil & Gas ULC, U.S. Bank National Association, as trustee, Computershare Trust Company of Canada, as Canadian trustee, and Whiting Petroleum Corporation, relating to the 8.125% Senior Notes Due 2019	10/20/2014
Indenture	First Supplemental Indenture, among Kodiak Oil & Gas Corp., Kodiak Oil & Gas (USA) Inc., Kodiak Williston, LLC, KOG Finance, LLC, KOG Oil & Gas ULC, U.S. Bank National Association, as trustee, Computershare Trust Company of Canada, as Canadian trustee, and Whiting Petroleum Corporation, relating to the 5.500% Senior Notes Due 2021	10/20/2014
Indenture	First Supplemental Indenture, among Kodiak Oil & Gas Corp., Kodiak Oil & Gas (USA) Inc., Kodiak Williston, LLC, KOG Finance, LLC, KOG Oil & Gas ULC, U.S. Bank National Association, as trustee, Computershare Trust Company of Canada, as Canadian trustee, and Whiting Petroleum Corporation, relating to the 5.500% Senior Notes Due 2022	10/20/2014
Indenture	Supplemental Indenture, among Kodiak Oil & Gas Corp., KOG Oil & Gas ULC, U.S. Bank National Association and Computershare Trust Company of Canada, to the Indenture, among Kodiak Oil & Gas Corp., Kodiak Oil & Gas (USA) Inc., U.S. Bank National Association and Computershare Trust Company of Canada	10/06/2014
Indenture	Indenture, among Kodiak Oil & Gas Corp., Kodiak Oil & Gas (USA) Inc., U.S. Bank, National Association, as trustee, and Computershare Trust Company of Canada, as the Canadian trustee	01/15/2013
Registration rights agreement	Registration Rights Agreement, among Kodiak Oil & Gas Corp., Kodiak Oil & Gas (USA) Inc., Wells Fargo Securities, LLC, RBC Capital Markets, LLC and Credit Suisse Securities (USA) LLC	01/15/2013
Registration rights agreement	Registration Rights Agreement, among Kodiak Oil & Gas Corp., Kodiak Oil & Gas (USA) Inc., RBC Capital Markets, LLC, Wells Fargo Securities, LLC, and Credit Suisse Securities (USA) LLC	05/17/2012
Credit agreement	Fifth Amendment to Amended and Restated Credit Agreement among Kodiak Oil & Gas (USA) Inc., as Borrower, Wells Fargo Bank, N.A., as Administrative Agent, and The Lenders Signatory Thereto	05/17/2012
Credit agreement	Third Amendment to Amended and Restated Credit Agreement among Kodiak Oil & Gas (USA) Inc., as Borrower, Wells Fargo Bank, N.A., as Administrative Agent, and The Lenders Signatory Thereto	01/17/2012
Indenture	Indenture, among Kodiak Oil & Gas Corp., Kodiak Oil & Gas (USA) Inc., U.S. Bank National Association and Computershare Trust Company of Canada	11/23/2011
Registration rights agreement	Registration Rights Agreement, among Kodiak Oil & Gas Corp., Kodiak Oil & Gas (USA) Inc., Credit Suisse Securities (USA) LLC, Wells Fargo Securities, LLC, KeyBanc Capital Markets Inc. and RBC Capital Markets, LLC	11/23/2011
Credit agreement	Second Amendment to Amended and Restated Credit Agreement among Kodiak Oil & Gas (USA) Inc., as Borrower, Wells Fargo Bank, N.A., as Administrative Agent, and The Lenders Signatory Thereto, executed as of November 14, 2011	11/14/2011
Credit agreement	Amended and Restated Credit Agreement, among Kodiak Oil & Gas (USA) Inc., Wells Fargo Bank, N.A. and The Lenders Party Thereto	11/03/2011
Credit agreement	Amended and Restated Second Lien Credit Agreement, among Kodiak Oil & Gas (USA) Inc., Wells Fargo Energy Capital, Inc. and The Lenders Party Thereto	11/03/2011
Credit agreement	First Amendment to Credit Agreement among Kodiak Oil & Gas (USA) Inc., Wells Fargo Bank, N.A. and The Lenders Signatory Thereto, effective as of November 30, 2010	12/02/2010

Type	Name	Date
Acquisition / asset purchase agreement	Purchase and Sale Agreement by and among North Plains Energy, LLC (Seller), Kodiak Oil & Gas (USA) Inc. (Buyer) and Kodiak Oil & Gas Corp. (Parent)	11/17/2011
Acquisition / asset purchase agreement	Purchase and Sale Agreement by and among Mercuria Bakken, LLC (Seller), Kodiak Oil & Gas (USA) Inc. (Buyer) and Kodiak Oil & Gas Corp. (Parent)	11/17/2011