BLACK HILLS CORP SD

Black Hills Corporation, a South Dakota corporation (together with its subsidiaries, referred to herein as the “Company,” “we,” “us” or “our”), is a customer-focused, growth-oriented utility company headquartered in Rapid City, South Dakota (incorporated in South Dakota in 1941).

We operate our business in the United States, reporting our operating results through our Electric Utilities and Gas Utilities segments. Certain unallocated corporate expenses that support our operating segments are presented as Corporate and Other.

Our Electric Utilities segment generates, transmits and distributes electricity to approximately 222,000 electric utility customers in Colorado, Montana, South Dakota and Wyoming. Our Electric Utilities own 1,394 MW of generation and 9,106 miles of electric transmission and distribution lines.

Our Gas Utilities segment serves approximately 1,116,000 natural gas utility customers in Arkansas, Colorado, Iowa, Kansas, Nebraska, and Wyoming. Our Gas Utilities own and operate 4,663 miles of intrastate gas transmission pipelines and 42,514 miles of gas distribution mains and service lines, seven natural gas storage sites, more than 50,000 horsepower of compression and 516 miles of gathering lines.