Black Hills Corporation (BKH)

[Penny Roger$]

Black Hills Corporation is a diversified energy company. The Company operates principally in the United States with two major business groups: Utilities and Non-regulated Energy. The Utilities Group consists of its regulated Electric Utilities and regulated Gas Utilities segments, and its Non-regulated Energy Group consists of its Oil and Gas, Power Generation, Coal Mining, and Energy Marketing segments. Electric Utilities segment generates, transmits and distributes electricity to approximately 201,000 customers in South Dakota, Wyoming, Colorado and Montana and includes the operations of Cheyenne Light, a combination electric and gas utility, and its approximately 34,500 gas utility customers in Wyoming. Gas Utilities segment serves approximately 527,000 natural gas utility customers in Colorado, Nebraska, Iowa and Kansas. In October 2010, the Company suspended operations at its 34.5-megawatt coal-fired Osage Power Plant in Osage, Wyo.