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8-K

EX-4.1

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8 Dec 10

Creation of a Direct Financial Obligation or an Obligation under an Off-Balance Sheet Arrangement of a Registrant

12:00am

8-K

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14 Oct 10

Chesapeake Energy Corporation and Cnooc Limited Announce

12:00am

8-K

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6 Oct 10

Chesapeake Energy Corporation Announces the Appointment of

12:00am

8-A12B

EX-4.2

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24 Sep 10

Registration of securities on exchange

12:00am

8-A12B

EX-4.3

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24 Sep 10

Registration of securities on exchange

12:00am