WHITING PETROLEUM CORPORATION (a Delaware corporation) Shares of Common Stock PURCHASE AGREEMENTPurchase Agreement • August 16th, 2004 • Whiting Petroleum Corp • Crude petroleum & natural gas • New York
Whiting Petroleum Corporation, a Delaware corporation (the “Company”), Alliant Energy Resources, Inc. (the “Selling Stockholder”), a Wisconsin corporation and wholly-owned subsidiary of Alliant Energy Corporation, a Wisconsin corporation (“Alliant”), and Alliant, confirm their agreement with (“ ”) and each of the other Underwriters named in Schedule A hereto (collectively, the “Underwriters”, which term shall also include any underwriter substituted as hereinafter provided in Section 10 hereof), for whom is acting as representative (in such capacity, the “Representative”), with respect to the sale by the Selling Stockholder and the purchase by the Underwriters, acting severally and not jointly, of the respective numbers of shares of Common Stock, par value $.001 per share, of the Company (“Common Stock”) set forth in said Schedule A, and with respect to the grant by the Selling Stockholder to the Underwriters, acting severally and not jointly, of the option described in Section 2(b) he
