Mark T. Thies

MARK T. THIES is Senior Vice President and Chief Financial Officer of
Black Hills Corporation. He has nearly 15 years of finance and
accounting experience in the regulated and non-regulated energy
industry. Mr. Thies has raised over $2 billion in public equity and
public and private debt transactions and credit facilities and has
several industry and financial community contacts. He actively
participated in the growth at Black Hills Corporation, doubling assets
since 1997. Prior to Black Hills, he actively participated in the non-
energy growth at a large Midwestern utility. The $100 million equity
contribution resulted in over $500 million in value to the parent in
seven years. Mr. Thies began his career in the energy and communications
business in public accounting.