DUANE C. RADTKE - Corporate Board Profile

DEVON ENERGY CORP/DE

Filing Date	Source Excerpt
2013-04-24	Mr. Radtke holds a Bachelor’s degree in Mining Engineering from the University of Wisconsin.
2014-04-22	Duane C. Radtke has over 40 years of experience in management, engineering and business development in the energy industry. He has been President and CEO of Valiant Exploration LLC since 2008.
2015-04-21	Mr. Radtke holds a bachelor's degree in mining engineering from the University of Wisconsin. He has over 40 years of experience in management, engineering and business development in the energy industry.
2016-04-27	Duane C. Radtke has over 45 years of experience in management, engineering and business development in the energy industry. Mr. Radtke has been President and Chief Executive Officer of Valiant Exploration LLC since 2008. Mr. Radtke brings to the Board extensive knowledge of the energy business, including experience with the Company's assets and operations. Mr. Radtke served as the chief executive officer and president of Dominion Exploration and Production, a subsidiary of Dominion Resources, Inc., from 2001 to 2007. During that period, he also served as executive vice president of Consolidated Natural Gas Company, a subsidiary of Dominion Resources Inc. Prior to his tenure with Dominion Resources, Inc., Mr. Radtke was an executive with Santa Fe Snyder where he served in various capacities, including executive vice president of production. Following Devon's acquisition of Santa Fe Snyder in 2000, Mr. Radtke served as President of the Company's international division until joining Dominion. Mr. Radtke holds a bachelor's degree in mining engineering from the University of Wisconsin.
2017-04-26	Duane C. Radtke has over 45 years of experience in management, engineering and business development in the energy industry. Mr. Radtke has been President and Chief Executive Officer of Valiant Exploration LLC since 2008. Mr. Radtke brings to the Board extensive knowledge of the energy business, including experience with the Company's assets and operations. Mr. Radtke served as the Chief Executive Officer and President of Dominion Exploration and Production, a subsidiary of Dominion Resources, Inc., from 2001 to 2007. During that period, he also served as Executive Vice President of Consolidated Natural Gas Company, a subsidiary of Dominion Resources Inc. Prior to his tenure with Dominion Resources, Inc., Mr. Radtke was an executive with Santa Fe Snyder where he served in various capacities, including Executive Vice President of Production. Following Devon's acquisition of Santa Fe Snyder in 2000, Mr. Radtke served as President of the Company's international division until joining Dominion. Mr. Radtke holds a bachelor's degree in mining engineering from the University of Wisconsin.
2018-04-25	Duane C. Radtke has over 45 years of experience in management, engineering and business development in the energy industry. Mr. Radtke has been President and Chief Executive Officer of Valiant Exploration LLC since 2008. Mr. Radtke brings to the Board extensive knowledge of the energy business, including experience with the Company’s assets and operations. Mr. Radtke served as the Chief Executive Officer and President of Dominion Exploration and Production, a subsidiary of Dominion Resources, Inc., from 2001 to 2007. During that period, he also served as Executive Vice President of Consolidated Natural Gas Company, a subsidiary of Dominion Resources, Inc. Prior to his tenure with Dominion Resources, Inc., Mr. Radtke was an executive with Santa Fe Snyder where he served in various capacities, including Executive Vice President of Production. Following Devon’s acquisition of Santa Fe Snyder in 2000, Mr. Radtke served as President of the Company’s international division until joining Dominion.
2019-04-24	Duane C. Radtke has over 45 years of experience in management, engineering and business development in the energy industry. He has been President and Chief Executive Officer of Valiant Exploration LLC since 2008.
2020-04-22	Mr. Radtke holds a bachelor’s degree in mining engineering from the University of Wisconsin.
2021-04-23	Mr. Radtke holds a bachelor’s degree in mining engineering from the University of Wisconsin.
2022-04-22	Duane C. Radtke joined the Board in August 2010 and served as chairman from June 2019 until January 2021. Since 2008, Radtke has served as president and CEO of Valiant Exploration LLC, a privately-held, family-owned investment company. Previously, he served as president and CEO of Dominion Exploration and Production, a subsidiary of Dominion Resources Inc. Prior to working at Dominion, Radtke was a senior executive with Santa Fe Snyder. Radtke earned a bachelor’s degree in mining engineering from the University of Wisconsin.