Devon Energy Announces Senior Management Appointments

Devon Energy Corporation (NYSE: DVN) announced today the promotion of
two corporate officers.

David A. Hager has been appointed to the position of chief operating
officer. He will be responsible for all operating areas and related
corporate functions.

Hager, 56, has served as executive vice president, exploration and
production since 2009 after serving on Devon′s board of directors
beginning in 2007. In addition, he served as chief operating officer of
Kerr-McGee Corporation prior to its 2006 merger with Anadarko Petroleum
Corp. Hager has over 30 years of oil and gas exploration and production
experience. He holds a Bachelor of Science degree in Geophysics from
Purdue University and a Masters in Business Administration from Southern
Methodist University.

'Dave′s extensive industry and leadership experience has enabled him to
make a significant contribution to the company over the last four
years,? said John Richels, president and chief executive officer. 'He
will now be in a position to have an even greater impact upon Devon′s
success through his leadership of companywide operations and the related
administrative functions.?

Tony Vaughn has been promoted to the position of executive vice
president, exploration and production. Vaughn will report to Hager and
will be responsible for all of Devon′s oil and natural gas exploration,
drilling and production operations.

Vaughn, 55, previously served as Devon′s senior vice president,
exploration and strategic services. Prior to joining Devon in 1999,
Vaughn spent 12 years with Kerr-McGee Corporation, most recently as
manager of the Rocky Mountains district. Before joining Kerr-McGee,
Vaughn worked as an operations engineer for Amoco Production Company. He
holds a Bachelor of Science degree in Petroleum Engineering from the
University of Tulsa and a Bachelor of Science degree in Business
Management from Oral Roberts University.

'Tony is a proven performer at Devon,? said Hager. 'His leadership
skills and extensive industry experience make him the ideal candidate to
head up our exploration and production group.?

Devon Energy Corporation is an Oklahoma City-based independent energy
company engaged in oil and gas exploration and production. Devon is a
leading U.S.-based independent oil and gas producer and is included in
the S&P 500 Index. For additional information, visit our website at www.devonenergy.com.

Devon Energy Corporation

Investor Contacts:

Scott Coody,
405-552-4735

or

Shea Snyder, 405-552-4782

or

Media
Contact:

Chip Minty, 405-228-8647