Equity Oil Company

Whiting Petroleum Corporation Acquires Equity Oil Company

On July 20, 2004, Whiting Petroleum Corporation (NYSE: WLL) and Equity Oil Company completed their merger, resulting in Equity becoming a wholly-owned subsidiary of Whiting. Equity’s shareholders approved the merger at a special meeting called for that purpose.

Under the terms of the merger, Equity shareholders received 0.185 shares of Whiting common stock for each share of Equity common stock. Whiting will issue approximately 2.2 million new shares of its common stock to Equity shareholders.

Exchanging Your Equity Oil Company Shares

Inquiries about exchanging your Equity Oil shares should be directed to the Exchange Agent:

COMPUTERSHARE TRUST COMPANY, INC.
By mail or overnight courier:
Computershare Trust Company, Inc.
350 Indiana St., Suite 800
Golden, Colorado 80401
Phone: (303) 262-0888
(800) 962-4284

For a complete description on exchanging your Equity Oil Company shares please see attached Letter of Transmittal.

Click here to download letter of Transmittal