For Information Contact:
Mark T. Thies,
Executive Vice President and Chief Financial Officer;
Dale T. Jahr, Director,
Investor Relations
RAPID CITY, SD—July 27, 2006—At a meeting held July 26, 2006, the Board of Directors of Black
Hills Corporation (NYSE: BKH) declared quarterly dividends on the common stock. Common shareholders will receive 33 cents per share, payable September 1, 2006, to all shareholders of record at the close of business on August 18, 2006.
The Company will issue a news release on second quarter 2006 earnings results on Wednesday,
August 9, 2006. In conjunction with this release, the Company will hold a conference call on Thursday, August 10, 2006 beginning at 11:00 a.m. Eastern Daylight Time to discuss financial and operating performance. The conference call will be open to the public. The call can be accessed by dialing, toll-free, (800) 762-6067 or (480) 629-9566 (international). When prompted, indicate that you wish to participate in the “Black Hills Quarterly Earnings Conference Call.” A replay of the conference call will be available through August 17, 2006 by dialing (800) 475-6701 (USA) or (320) 365-3844 (international). The access code is 837578.
Black Hills Corporation is a diversified energy company. Black Hills Energy, our wholesale energy business unit, generates electricity, produces natural gas, oil and coal, and markets energy. Our retail businesses are
Black Hills Power, an electric utility serving western South Dakota, northeastern Wyoming and southeastern Montana; and Cheyenne Light, Fuel & Power, an electric and gas distribution utility serving the Cheyenne, Wyoming vicinity. More information is available at our Internet web site: www.blackhillscorp.com.
