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Company to Acquire 2,000 Net Acres of Leasehold in Tarrant County,

Texas and Enters into Land Services Agreement for Future Leasehold Acquisitions

Chesapeake's Leasehold Position in the Core and Tier 1 Area of

Tarrant, Johnson and Western Dallas Counties Now Reaches 200,000 Net Acres; Company's Total Undrilled Backlog in the Play Now Exceeds 2,700 Net Locations

OKLAHOMA CITY--(BUSINESS WIRE)--Nov. 5, 2007--Chesapeake Energy Corporation (NYSE: CHK) today announced that it has agreed to acquire approximately 2,000 net undeveloped leasehold acres in the heart of the Barnett Shale play in Tarrant County, Texas, from Western Production Company and a partner. In addition, Chesapeake announced that it has entered into a Land Services Agreement (LSA) whereby Western's affiliate, Axia Land Services, LLC, has agreed to work on an exclusive basis in certain areas of Tarrant County, Texas to acquire leases on Chesapeake's behalf. This arrangement will complement similar LSA's Chesapeake has in place with Dale Property Services, LLC, Four Sevens Oil Co., Ltd. and Sinclair Oil Company covering different portions of Tarrant County. Chesapeake now has approximately 235,000 net acres of leasehold in the Barnett Shale play, including 200,000 net acres in the Core and Tier 1 area of Tarrant, Johnson and Western Dallas Counties, and the company's drilling inventory in the play has expanded to over 2,700 net locations.

Including these LSA's and its own landmen and lease brokers, Chesapeake now has a substantial competitive advantage with nearly 1,000 landmen and lease brokers dedicated to acquiring additional undeveloped leasehold and surface drillsites in Tarrant County. Chesapeake believes its drillsite and leasehold acquisition commitment to Tarrant County should enable it to continue acquiring up to 40,000 net leasehold acres per year in what is quickly becoming the most prolific county in the Barnett Shale play. This anticipated yearly addition to the company's leasehold inventory should provide up to an additional 500-600 drilling locations per year, largely offsetting the number of wells Chesapeake plans to drill in Tarrant County during the next few years.

Management Comments

Aubrey K. McClendon, Chesapeake's Chief Executive Officer, commented, "We are excited to announce our new undeveloped leasehold acquisition and LSA with Paun Peters and Western's affiliate, Axia. With our own landmen and lease brokers now teamed up with the Western, Dale, Four Sevens and Sinclair leasing teams, we will continue acquiring a steady stream of valuable leasehold in Tarrant County that will provide Chesapeake with significant growth opportunities for years to come."

Chesapeake Energy Corporation is the largest independent producer and third-largest overall producer of natural gas in the United States. Headquartered in Oklahoma City, the company's operations are focused on exploratory and developmental drilling and corporate and property acquisitions in the Mid-Continent, Fort Worth Barnett Shale, Fayetteville Shale, Permian Basin, Delaware Basin, South Texas, Texas Gulf Coast, Ark-La-Tex and Appalachian Basin regions of the United States. Chesapeake's Internet address is www.chkenergy.com.

CONTACT: Chesapeake Energy Corporation
Investor Contact:
Jeffrey L. Mobley, CFA, 405-767-4763
Senior Vice President -
Investor Relations and Research
jmobley@chkenergy.com
or
National Media Contact:
Thomas S. Price, Jr., 405-879-9257
Senior Vice President -
Corporate Development
tprice@chkenergy.com
or
Barnett Shale Area Media Contact:
Julie H. Wilson, 817-870-1250
Vice President -
Corporate Development
jwilson@chkenergy.com
SOURCE: Chesapeake Energy Corporation