BLACK HILLS CORP. ANNOUNCES QUARTERLY DIVIDEND AND SCHEDULES THIRD QUARTER 2008 CONFERENCE CALL

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

RAPID CITY, SD — October 30, 2008 — At a meeting held Oct. 29, 2008, the board of directors of Black Hills Corp. (NYSE: BKH) declared a quarterly dividend on the common stock. Common shareholders of record at the close of business on Nov. 14, 2008, will receive 35 cents per share, payable on Dec. 1, 2008.

“The dividend declaration by our board of directors during this volatile and uncertain credit environment is a sign of the board’s continued confidence in our strategy, business performance and financial liquidity,” said David R. Emery, chairman, president and chief executive officer of Black Hills Corp.

In addition, the company will issue a news release regarding third quarter 2008 financial results on Wednesday, Nov. 5, 2008, and host a live conference call and webcast at 11 a.m. EDT on Thursday, Nov. 6.

Those interested in the live broadcast can call 1-800-230-1766. To access the webcast and download a copy of the investor presentation, go to the Black Hills Corp. Web site at www.blackhillscorp.com and click “Webcast” in the “Investor Relations” section. The presentation will be posted the evening before the webcast. Listeners should allow at least five minutes for registering and accessing the presentation. For those unable to listen to the live broadcast, a replay will be available by telephone through Thursday, Nov. 13, 2008 at 1-800-475-6701 in the United States and at 1-320-365-3844 for international callers. Callers need to enter the access code 966928# when prompted.

ABOUT BLACK HILLS CORPORATION
Black Hills Corp. 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, Colo. and Omaha, Neb. The company serves 750,000 utility customers in Colorado, Iowa, Kansas, Montana, Nebraska, South Dakota and Wyoming. The company’s non-regulated businesses generate wholesale electricity, produce natural gas, oil and coal, and market energy. Black Hills employees partner to produce results that improve life with energy. More information is available at www.blackhillscorp.com.