Black Hills Corporation Announces Quarterly Dividend and Schedules Second Quarter 2008 Conference Call

Investor Relations Contact: Jason Ketchum (605-721-2765)
Media Relations Contact: Lynn Wilson (605-721-2774)
                                                Media Relations line (866-243-9002)

RAPID CITY, SD — August 4, 2008 — At a meeting held July 30, 2008, the board of directors of Black Hills Corporation (NYSE: BKH) declared quarterly dividends on the common stock.

Common shareholders will receive 35 cents per share. Dividends will be payable Sept. 1, 2008, to all shareholders of record at the close of business on Aug. 15, 2008.

The company will issue a news release regarding second quarter 2008 financial results on Monday, Aug. 11, 2008 and a conference call and webcast is scheduled for 11 a.m. EDT Tuesday, Aug. 12. The conference call and webcast will be open to the public.

To listen to the live broadcast, call 800-398-9386. To access the live webcast and download a copy of the investor presentation, go to the Black Hills’ Web site at blackhillscorp.com and click “Webcast” in the “Investor Relations” section. The presentation will be posted the day before the webcast. Listeners should allow at least five minutes registering and accessing the presentation. For those unable to listen to the live broadcast, a replay will be available by telephone through Tuesday, Aug. 19, 2008 at 800-475-6701 in the United States and at 320-365-3844 for international callers. Callers need to enter the access code 955981# when prompted.

ABOUT BLACK HILLS CORPORATION
Black Hills Corporation is a diversified energy company with a tradition of exemplary service and a vision to be the energy partner of choice is based in Rapid City, S.D. with corporate offices in Golden, CO and Omaha, NE.  The company serves 750,000 utility customers in Colorado, Iowa, Kansas, Montana, South Dakota and Wyoming. The company’s non-regulated businesses generate wholesale electricity, produce natural gas, oil and coal, and market energy. We partner to produce results that improve life with energy. More information is available at www.blackhillscorp.com.