Whiting Petroleum Corporation Declares Dividend on 6.25% Convertible Perpetual Preferred...

Whiting Petroleum Corporation Declares Dividend on 6.25% Convertible Perpetual
Preferred Stock

DENVER, Aug. 17 /PRNewswire-FirstCall/ -- Whiting Petroleum Corporation (NYSE:
WLL) announced that its Board of Directors declared today a dividend of
$1.42361 per share on its 6.25% convertible perpetual preferred stock (NYSE:
WLL-PrA). The dividend is payable on September 15, 2009 to holders of record
on September 1, 2009.

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. Although the convertible perpetual preferred stock trades
publicly under the symbol WLL-PrA on the New York Stock Exchange, most stock
search services use WLL-A or WLL-PA to locate the preferred stock. For
further information, please visit www.whiting.com.

SOURCE Whiting Petroleum Corporation

John B. Kelso, Director of Investor Relations of Whiting Petroleum
Corporation, +1-303-837-1661, john.kelso@whiting.com