NEWS

WIRES

OTHER

Black Hills Corp. to Ring Closing Bell at New York Stock Exchange

RAPID CITY, S.D., July 1 /PRNewswire-FirstCall/ -- Black Hills Corp. (NYSE: BKH) today announced it will be celebrating 30 years as a listed company on the New York Stock Exchange by ringing the closing bell at 4 p.m. EDT Friday, July 9, 2010. At the invitation of the NYSE, Black Hills leaders will participate in the closing bell ceremony.

"We look forward to celebrating 30 years of our BKH listing at the New York Stock Exchange and thank them for the opportunity to mark this milestone. Black Hills has a 127 year history of serving customers and building shareholder value. In February, our board of directors approved a quarterly dividend increase for the 40th consecutive year," said David R. Emery, chairman, president and CEO of Black Hills Corp. "We have a long-standing tradition of achieving our strategic objectives and remain well positioned for future earnings growth."

NYSE CLOSING BELL DETAILS

Photos of the opening and closing bells will be available through The Associated Press/New York (212-621-1902), Reuters America (646-223-6285) and Bloomberg Photo (212-617-3420). The closing bell (starting at 3:55 p.m.) video feeds are available through Ascent loop #4009. Those seeking footage through The Switch, please contact NYSE Broadcast at 212-656-5483. A live webcast of the closing bell (beginning at 3:59 p.m.) will be available on the homepage of NYSE at www.nyse.com.

Black Hills Corporation

Black Hills Corp. (NYSE: BKH) -- 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 Denver and Omaha, Neb. The company serves 763,300 natural gas and electric 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.

CAUTION REGARDING FORWARD-LOOKING STATEMENTS

This news release includes "forward-looking statements" as defined by the Securities and Exchange Commission, or SEC. We make these forward-looking statements in reliance on the safe harbor protections provided under the Private Securities Litigation Reform Act of 1995. All statements, other than statements of historical facts, included in this news release that address activities, events or developments that we expect, believe or anticipate will or may occur in the future, including statements regarding future earnings growth, are forward-looking statements. These forward-looking statements are based on assumptions which we believe are reasonable based on current expectations and projections about future events and industry conditions and trends affecting our business. However, whether actual results and developments will conform to our expectations and predictions is subject to a number of risks and uncertainties that, among other things, could cause actual results to differ materially from those contained in the forward-looking statements, including the factors discussed above, the risk factors described in Item 1A of Part I of our 2009 Annual Report on Form 10-K filed with the SEC, and other reports that we file with the SEC from time to time.

New factors that could cause actual results to differ materially from those described in forward looking statements emerge from time-to-time, and it is not possible for us to predict all such factors, or the extent to which any such factor or combination of factors may cause actual results to differ from those contained in any forward-looking statement. We assume no obligation to update publicly any such forward-looking statements, whether as a result of new information, future events or otherwise.

SOURCE Black Hills Corp.