Mark A. Hellerstein

MARK A. HELLERSTEIN is Chairman, President and Chief Executive Officer
of St. Mary Land & Exploration Company. Mr. Hellerstein joined the
company in September 1991 as Executive Vice President and Chief
Financial Officer. He has served as President of the company since May
1992, as Chief Executive Officer since May 1994 and as a Director since
September 1992. Mr. Hellerstein was elected Chairman of the Board in
September 2002. From 1987 to 1991, Mr. Hellerstein served as Vice
President of Finance and Chief Financial Officer for CoCa Mines Inc.
From 1980 to 1986, Mr. Hellerstein served as Vice President of Finance
and Chief Financial Officer of Worldwide Energy Corporation. Mr.
Hellerstein graduated from the University of Colorado in 1974 with a
degree in Accounting and is a Certified Public Accountant (non-active).