Whiting Petroleum Corp. - 2010-08-10

To redeem all of its $150 million aggregate principal amount of 7 1/4% senior subordinated notes due 2012 at a redemption price equal to 100.00% of the principal amount, and all of its $220 million aggregate principal amount of 7 1/4% senior subordinated notes due 2013 at a redemption price equal to 101.8125% of the principal amount.