DENVER, July 13 /PRNewswire-FirstCall/ -- Whiting Petroleum Corporation (NYSE:WLL) will release its second quarter 2009 financial and operating results on Wednesday, July 29, 2009 after the market closes. A conference call with investors, analysts and other interested parties is scheduled for 11:00 a.m. EDT (10:00 a.m. CDT, 9:00 a.m. MDT) on Thursday, July 30, 2009 to discuss Whiting's second quarter 2009 financial and operating results. Please call (866) 770-7120 (U.S./Canada) or (617) 213-8065 (International) to be connected to the call and enter the pass code 36660813. Access to a live Internet broadcast will be available at http://www.whiting.com/ by clicking on the "Investor Relations" box on the menu and then on the link titled "Webcasts." A telephonic replay will be available beginning approximately two hours after the call on Thursday, July 30, 2009 and continuing through Thursday, August 6, 2009. You may access this replay at (888) 286-8010 (U.S./Canada) or (617) 801-6888 (International) and entering the pass code 56978642. You may also access a web archive at http://www.whiting.com/ beginning approximately one hour after the conference call. About Whiting Petroleum Corporation Whiting Petroleum Corporation, a Delaware corporation, is an independent oil and gas company that acquires, exploits, develops and explores for crude oil, natural gas and natural gas liquids primarily in the Permian Basin, Rocky Mountains, Mid-Continent, Gulf Coast and Michigan regions of the United States. The Company trades publicly under the symbol WLL on the New York Stock Exchange. For further information, please visit http://www.whiting.com/. DATASOURCE: Whiting Petroleum Corporation CONTACT: John B. Kelso, Director of Investor Relations of Whiting Petroleum Corporation, +1-303-837-1661, Web Site: http://www.whiting.com/

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