Chesapeake Energy Corporation Named to FORTUNE "100 Best Companies to Work For′ List for Sixth Consecutive Year

For the sixth consecutive year FORTUNE Magazine named Chesapeake Energy
Corporation (NYSE:CHK) to its list of 100 Best Companies to Work For ^?.
Chesapeake ranked #26, the highest listed Oklahoma-based employer for
the third consecutive year, and the second highest ranked company in the
energy industry. The full list and related stories will appear in the
February 4 issue of FORTUNE.

Aubrey K. McClendon, Chesapeake′s Chief Executive Officer, said,
'Empowered and motivated employees continue to make Chesapeake a great
place to work. Our employees are focused on creating and delivering
value for our shareholders while also making our country more energy
secure. Although we have made progress in achieving these goals, we are
determined to do even better with our distinctive and attractive
corporate culture and workplace being key elements in our drive for
further success.?

Martha A. Burger, Chesapeake′s Senior Vice President ? Human & Corporate
Resources, noted, 'We believe our workplace culture allows Chesapeake to
recruit and retain some of the industry′s best talent. We are extremely
proud of our nearly 12,000 employees who consistently deliver
outstanding performance, quality, innovation and collaboration, even
when faced with the cyclical nature of our industry.?

Archie W. Dunham, Chesapeake′s Non-Executive Chairman of the Board,
added, 'In addition to our extraordinarily high quality assets below
ground, Chesapeake has built an asset base of tremendous breadth, value
and energy above ground ? our employees. It is a tribute to our
management team for their excellence and efforts that Chesapeake has now
been recognized among the 100 Best Companies to Work For six years
running.?

More information about Chesapeake and its careers can be found at www.chk.com/careers.

To pick the 100 Best Companies to Work For, Fortune partners with the
Great Place to Work Institute to conduct the most extensive employee
survey in corporate America: 259 firms participated in this year′s
survey. More than 277,000 employees at those companies responded to a
survey created by the institute, a global research and consulting firm
operating in 45 countries around the world. Two-thirds of a company′s
score is based on the results of the institute′s Trust Index survey,
which is sent to a random sample of employees from each company. The
survey asks questions related to their attitudes about management′s
credibility, job satisfaction, and camaraderie. The other third is based
on responses to the institute′s Culture Audit, which includes detailed
questions about pay and benefit programs and a series of open-ended
questions about hiring practices, methods of internal communication,
training, recognition programs, and diversity efforts. After evaluations
are completed, if news about a company comes to light that may
significantly damage employees′ faith in management, we may exclude it
from the list. Any company that is at least five years old and has more
than 1,000 U.S. employees is eligible. For more information on how to
apply, visit: http://bit.ly/n8bVJ3

Chesapeake Energy Corporation (NYSE:CHK) is the second-largest
producer of natural gas, a Top 15 producer of oil and natural gas
liquids and the most active driller of new wells in the U.S.
Headquartered in Oklahoma City, the company's operations are focused on
discovering and developing unconventional natural gas and oil fields
onshore in the U.S. Chesapeake owns leading positions in the Eagle Ford,
Utica, Granite Wash, Cleveland, Tonkawa, Mississippi Lime and Niobrara
unconventional liquids plays and in the Marcellus, Haynesville/Bossier
and Barnett unconventional natural gas shale plays. The company also
owns substantial marketing and oilfield services businesses through its
subsidiaries Chesapeake Energy Marketing, Inc. and Chesapeake Oilfield
Operating, L.L.C. Further information is available at www.chk.com
where Chesapeake routinely posts announcements, updates, events,
investor information, presentations and news releases.

Chesapeake Energy Corporation

Chesapeake Contacts:

Jeffrey L.
Mobley, CFA, 405-767-4763

jeff.mobley@chk.com

or

John
J. Kilgallon, 405-935-4441

john.kilgallon@chk.com

or

Media
Contacts:

Jim Gipson, 405-935-1310

Jim.gipson@chk.com

or

Lindsay
McIntyre, 405-935-8486

lindsay.mcintyre@chk.com