SECURITIES AND EXCHANGE COMMISSION
                             Washington, D.C. 20549

                                  SCHEDULE 13D

                   Under the Securities Exchange Act of 1934
                               (Amendment No.__)*

                         Chesapeake Energy Corporation
                                (Name of Issuer)

                         Common Stock, Par Value $0.01
                         (Title of Class of Securities)

                                   165167107
                                 (CUSIP Number)

                               Marc Weitzen, Esq.
                                Icahn Capital LP
                          767 Fifth Avenue, 47th Floor
                            New York, New York 10153
                                 (212) 702-4300

          (Name, Address and Telephone Number of Person Authorized to
                      Receive Notices and Communications)

                                December 7, 2010
            (Date of Event which Requires Filing of this Statement)

If  the filing person has previously filed a statement on Schedule 13G to report
the  acquisition  that  is  the subject of this Schedule 13D, and is filing this
schedule  because  of  Section 240.13d-1(e), 240.13d-1(f) or 240.13d-1(g), check
the  following  box  /  /.

NOTE:  Schedules  filed in paper format shall include a signed original and five
copies of the schedule, including all exhibits. See Rule 13d-7 for other parties
to  whom  copies  are  to  be  sent.

*The  remainder  of this cover page shall be filled out for a reporting person's
initial filing on this form with respect to the subject class of securities, and
for  any  subsequent  amendment  containing  information  which  would  alter
disclosures  provided  in  a  prior  cover  page.

The information required on the remainder of this cover page shall not be deemed
to  be  "filed"  for the purpose of Section 18 of the Securities Exchange Act of
1934  ("Act") or otherwise subject to the liabilities of that section of the Act
but  shall  be  subject  to  all  other  provisions of the Act (however, see the
Notes).



                                  SCHEDULE 13D

CUSIP No. 165167107

1   NAME  OF  REPORTING  PERSON
      High  River  Limited  Partnership

2   CHECK  THE  APPROPRIATE  BOX  IF  A  MEMBER  OF  A  GROUP
      (a) / /
      (b) / /

3   SEC  USE  ONLY

4   SOURCE  OF  FUNDS
      WC

5   CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO ITEMS
    2(d)  or  2(e)     /  /

6   CITIZENSHIP  OR  PLACE  OF  ORGANIZATION
      Delaware

NUMBER  OF  SHARES  BENEFICIALLY  OWNED  BY  EACH  REPORTING  PERSON  WITH:

7   SOLE  VOTING  POWER
      7,725,884

8   SHARED  VOTING  POWER
      0

9   SOLE  DISPOSITIVE  POWER
      7,725,884

10  SHARED  DISPOSITIVE  POWER
      0

11  AGGREGATE  AMOUNT  BENEFICIALLY  OWNED  BY  EACH  REPORTING  PERSON
      7,725,884

12  CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES    / /

13  PERCENT  OF  CLASS  REPRESENTED  BY  AMOUNT  IN  ROW  (11)
      1.16%

14  TYPE  OF  REPORTING  PERSON
      PN



                                  SCHEDULE 13D

CUSIP No. 165167107

1   NAME  OF  REPORTING  PERSON
      Hopper  Investments  LLC

2   CHECK  THE  APPROPRIATE  BOX  IF  A  MEMBER  OF  A  GROUP
      (a) / /
      (b) / /

3   SEC  USE  ONLY

4   SOURCE  OF  FUNDS
      OO

5   CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO ITEMS
    2(d)  or  2(e)     /  /

6   CITIZENSHIP  OR  PLACE  OF  ORGANIZATION
      Delaware

NUMBER  OF  SHARES  BENEFICIALLY  OWNED  BY  EACH  REPORTING  PERSON  WITH:

7   SOLE  VOTING  POWER
      0

8   SHARED  VOTING  POWER
      7,725,884

9   SOLE  DISPOSITIVE  POWER
      0

10  SHARED  DISPOSITIVE  POWER
      7,725,884

11  AGGREGATE  AMOUNT  BENEFICIALLY  OWNED  BY  EACH  REPORTING  PERSON
      7,725,884

12  CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES    / /

13  PERCENT  OF  CLASS  REPRESENTED  BY  AMOUNT  IN  ROW  (11)
      1.16%

14  TYPE  OF  REPORTING  PERSON
      OO




                                  SCHEDULE 13D

CUSIP No. 165167107

1   NAME  OF  REPORTING  PERSON
      Barberry  Corp.

2   CHECK  THE  APPROPRIATE  BOX  IF  A  MEMBER  OF  A  GROUP
      (a) / /
      (b) / /

3   SEC  USE  ONLY

4   SOURCE  OF  FUNDS
      OO

5   CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO ITEMS
    2(d)  or  2(e)     /  /

6   CITIZENSHIP  OR  PLACE  OF  ORGANIZATION
      Delaware

NUMBER  OF  SHARES  BENEFICIALLY  OWNED  BY  EACH  REPORTING  PERSON  WITH:

7   SOLE  VOTING  POWER
      0

8   SHARED  VOTING  POWER
      7,725,884

9   SOLE  DISPOSITIVE  POWER
      0

10  SHARED  DISPOSITIVE  POWER
      7,725,884

11  AGGREGATE  AMOUNT  BENEFICIALLY  OWNED  BY  EACH  REPORTING  PERSON
      7,725,884

12  CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES    / /

13  PERCENT  OF  CLASS  REPRESENTED  BY  AMOUNT  IN  ROW  (11)
      1.16%

14  TYPE  OF  REPORTING  PERSON
      CO



                                  SCHEDULE 13D

CUSIP No. 165167107

1   NAME  OF  REPORTING  PERSON
      Icahn  Partners  Master  Fund  LP

2   CHECK  THE  APPROPRIATE  BOX  IF  A  MEMBER  OF  A  GROUP
      (a) / /
      (b) / /

3   SEC  USE  ONLY

4   SOURCE  OF  FUNDS
      WC

5   CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO ITEMS
    2(d)  or  2(e)     /  /

6   CITIZENSHIP  OR  PLACE  OF  ORGANIZATION
      Cayman  Islands

NUMBER  OF  SHARES  BENEFICIALLY  OWNED  BY  EACH  REPORTING  PERSON  WITH:

7   SOLE  VOTING  POWER
      13,256,264

8   SHARED  VOTING  POWER
      0

9   SOLE  DISPOSITIVE  POWER
      13,256,264

10  SHARED  DISPOSITIVE  POWER
      0

11  AGGREGATE  AMOUNT  BENEFICIALLY  OWNED  BY  EACH  REPORTING  PERSON
      13,256,264

12  CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES    / /

13  PERCENT  OF  CLASS  REPRESENTED  BY  AMOUNT  IN  ROW  (11)
      1.99%

14  TYPE  OF  REPORTING  PERSON
      PN



                                  SCHEDULE 13D

CUSIP No. 165167107

1   NAME  OF  REPORTING  PERSON
      Icahn  Partners  Master  Fund  II  LP

2   CHECK  THE  APPROPRIATE  BOX  IF  A  MEMBER  OF  A  GROUP
      (a) / /
      (b) / /

3   SEC  USE  ONLY

4   SOURCE  OF  FUNDS
      WC

5   CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO ITEMS
    2(d)  or  2(e)     /  /

6   CITIZENSHIP  OR  PLACE  OF  ORGANIZATION
      Cayman  Islands

NUMBER  OF  SHARES  BENEFICIALLY  OWNED  BY  EACH  REPORTING  PERSON  WITH:

7   SOLE  VOTING  POWER
      4,137,941

8   SHARED  VOTING  POWER
      0

9   SOLE  DISPOSITIVE  POWER
      4,137,941

10  SHARED  DISPOSITIVE  POWER
      0

11  AGGREGATE  AMOUNT  BENEFICIALLY  OWNED  BY  EACH  REPORTING  PERSON
      4,137,941

12  CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES    / /

13  PERCENT  OF  CLASS  REPRESENTED  BY  AMOUNT  IN  ROW  (11)
      0.62%

14  TYPE  OF  REPORTING  PERSON
      PN



                                  SCHEDULE 13D

CUSIP No. 165167107

1   NAME  OF  REPORTING  PERSON
      Icahn  Partners  Master  Fund  III  LP

2   CHECK  THE  APPROPRIATE  BOX  IF  A  MEMBER  OF  A  GROUP
      (a) / /
      (b) / /

3   SEC  USE  ONLY

4   SOURCE  OF  FUNDS
      WC

5   CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO ITEMS
    2(d)  or  2(e)     /  /

6   CITIZENSHIP  OR  PLACE  OF  ORGANIZATION
      Cayman  Islands

NUMBER  OF  SHARES  BENEFICIALLY  OWNED  BY  EACH  REPORTING  PERSON  WITH:

7   SOLE  VOTING  POWER
      1,839,369

8   SHARED  VOTING  POWER
      0

9   SOLE  DISPOSITIVE  POWER
      1,839,369

10  SHARED  DISPOSITIVE  POWER
      0

11  AGGREGATE  AMOUNT  BENEFICIALLY  OWNED  BY  EACH  REPORTING  PERSON
      1,839,369

12  CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES    / /

13  PERCENT  OF  CLASS  REPRESENTED  BY  AMOUNT  IN  ROW  (11)
      0.28%

14  TYPE  OF  REPORTING  PERSON
      PN



                                  SCHEDULE 13D

CUSIP No. 165167107

1   NAME  OF  REPORTING  PERSON
      Icahn  Offshore  LP

2   CHECK  THE  APPROPRIATE  BOX  IF  A  MEMBER  OF  A  GROUP
      (a) / /
      (b) / /

3   SEC  USE  ONLY

4   SOURCE  OF  FUNDS
      OO

5   CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO ITEMS
    2(d)  or  2(e)     /  /

6   CITIZENSHIP  OR  PLACE  OF  ORGANIZATION
      Delaware

NUMBER  OF  SHARES  BENEFICIALLY  OWNED  BY  EACH  REPORTING  PERSON  WITH:

7   SOLE  VOTING  POWER
      0

8   SHARED  VOTING  POWER
      19,233,574

9   SOLE  DISPOSITIVE  POWER
      0

10  SHARED  DISPOSITIVE  POWER
      19,233,574

11  AGGREGATE  AMOUNT  BENEFICIALLY  OWNED  BY  EACH  REPORTING  PERSON
      19,233,574

12  CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES    / /

13  PERCENT  OF  CLASS  REPRESENTED  BY  AMOUNT  IN  ROW  (11)
      2.89%

14  TYPE  OF  REPORTING  PERSON
      PN



                                  SCHEDULE 13D

CUSIP No. 165167107

1   NAME  OF  REPORTING  PERSON
      Icahn  Partners  LP

2   CHECK  THE  APPROPRIATE  BOX  IF  A  MEMBER  OF  A  GROUP
      (a) / /
      (b) / /

3   SEC  USE  ONLY

4   SOURCE  OF  FUNDS
      WC

5   CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO ITEMS
    2(d)  or  2(e)     /  /

6   CITIZENSHIP  OR  PLACE  OF  ORGANIZATION
      Delaware

NUMBER  OF  SHARES  BENEFICIALLY  OWNED  BY  EACH  REPORTING  PERSON  WITH:

7   SOLE  VOTING  POWER
      11,669,959

8   SHARED  VOTING  POWER
      0

9   SOLE  DISPOSITIVE  POWER
      11,669,959

10  SHARED  DISPOSITIVE  POWER
      0

11  AGGREGATE  AMOUNT  BENEFICIALLY  OWNED  BY  EACH  REPORTING  PERSON
      11,669,959

12  CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES    / /

13  PERCENT  OF  CLASS  REPRESENTED  BY  AMOUNT  IN  ROW  (11)
      1.75%

14  TYPE  OF  REPORTING  PERSON
      PN



                                  SCHEDULE 13D

CUSIP No. 165167107

1   NAME  OF  REPORTING  PERSON
      Icahn  Onshore  LP

2   CHECK  THE  APPROPRIATE  BOX  IF  A  MEMBER  OF  A  GROUP
      (a) / /
      (b) / /

3   SEC  USE  ONLY

4   SOURCE  OF  FUNDS
      OO

5   CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO ITEMS
    2(d)  or  2(e)     /  /

6   CITIZENSHIP  OR  PLACE  OF  ORGANIZATION
      Delaware

NUMBER  OF  SHARES  BENEFICIALLY  OWNED  BY  EACH  REPORTING  PERSON  WITH:

7   SOLE  VOTING  POWER
      0

8   SHARED  VOTING  POWER
      11,669,959

9   SOLE  DISPOSITIVE  POWER
      0

10  SHARED  DISPOSITIVE  POWER
      11,669,959

11  AGGREGATE  AMOUNT  BENEFICIALLY  OWNED  BY  EACH  REPORTING  PERSON
      11,669,959

12  CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES    / /

13  PERCENT  OF  CLASS  REPRESENTED  BY  AMOUNT  IN  ROW  (11)
      1.75%

14  TYPE  OF  REPORTING  PERSON
      PN



                                  SCHEDULE 13D

CUSIP No. 165167107

1   NAME  OF  REPORTING  PERSON
      Icahn  Capital  LP

2   CHECK  THE  APPROPRIATE  BOX  IF  A  MEMBER  OF  A  GROUP
      (a) / /
      (b) / /

3   SEC  USE  ONLY

4   SOURCE  OF  FUNDS
      OO

5   CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO ITEMS
    2(d)  or  2(e)     /  /

6   CITIZENSHIP  OR  PLACE  OF  ORGANIZATION
      Delaware

NUMBER  OF  SHARES  BENEFICIALLY  OWNED  BY  EACH  REPORTING  PERSON  WITH:

7   SOLE  VOTING  POWER
      0

8   SHARED  VOTING  POWER
      30,903,533

9   SOLE  DISPOSITIVE  POWER
      0

10  SHARED  DISPOSITIVE  POWER
      30,903,533

11  AGGREGATE  AMOUNT  BENEFICIALLY  OWNED  BY  EACH  REPORTING  PERSON
      30,903,533

12  CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES    / /

13  PERCENT  OF  CLASS  REPRESENTED  BY  AMOUNT  IN  ROW  (11)
      4.64%

14  TYPE  OF  REPORTING  PERSON
      PN




                                  SCHEDULE 13D

CUSIP No. 165167107

1   NAME  OF  REPORTING  PERSON
      IPH  GP  LLC

2   CHECK  THE  APPROPRIATE  BOX  IF  A  MEMBER  OF  A  GROUP
      (a) / /
      (b) / /

3   SEC  USE  ONLY

4   SOURCE  OF  FUNDS
      OO

5   CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO ITEMS
    2(d)  or  2(e)     /  /

6   CITIZENSHIP  OR  PLACE  OF  ORGANIZATION
      Delaware

NUMBER  OF  SHARES  BENEFICIALLY  OWNED  BY  EACH  REPORTING  PERSON  WITH:

7   SOLE  VOTING  POWER
      0

8   SHARED  VOTING  POWER
      30,903,533

9   SOLE  DISPOSITIVE  POWER
      0

10  SHARED  DISPOSITIVE  POWER
      30,903,533

11  AGGREGATE  AMOUNT  BENEFICIALLY  OWNED  BY  EACH  REPORTING  PERSON
      30,903,533

12  CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES    / /

13  PERCENT  OF  CLASS  REPRESENTED  BY  AMOUNT  IN  ROW  (11)
      4.64%

14  TYPE  OF  REPORTING  PERSON
      OO



                                  SCHEDULE 13D

CUSIP No. 165167107

1   NAME  OF  REPORTING  PERSON
      Icahn  Enterprises  Holdings  L.P.

2   CHECK  THE  APPROPRIATE  BOX  IF  A  MEMBER  OF  A  GROUP
      (a) / /
      (b) / /

3   SEC  USE  ONLY

4   SOURCE  OF  FUNDS
      OO

5   CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO ITEMS
    2(d)  or  2(e)     /  /

6   CITIZENSHIP  OR  PLACE  OF  ORGANIZATION
      Delaware

NUMBER  OF  SHARES  BENEFICIALLY  OWNED  BY  EACH  REPORTING  PERSON  WITH:

7   SOLE  VOTING  POWER
      0

8   SHARED  VOTING  POWER
      30,903,533

9   SOLE  DISPOSITIVE  POWER
      0

10  SHARED  DISPOSITIVE  POWER
      30,903,533

11  AGGREGATE  AMOUNT  BENEFICIALLY  OWNED  BY  EACH  REPORTING  PERSON
      30,903,533

12  CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES    / /

13  PERCENT  OF  CLASS  REPRESENTED  BY  AMOUNT  IN  ROW  (11)
      4.64%

14  TYPE  OF  REPORTING  PERSON
      PN



                                  SCHEDULE 13D

CUSIP No. 165167107

1   NAME  OF  REPORTING  PERSON
      Icahn  Enterprises  G.P.  Inc.

2   CHECK  THE  APPROPRIATE  BOX  IF  A  MEMBER  OF  A  GROUP
      (a) / /
      (b) / /

3   SEC  USE  ONLY

4   SOURCE  OF  FUNDS
      OO

5   CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO ITEMS
    2(d)  or  2(e)     /  /

6   CITIZENSHIP  OR  PLACE  OF  ORGANIZATION
      Delaware

NUMBER  OF  SHARES  BENEFICIALLY  OWNED  BY  EACH  REPORTING  PERSON  WITH:

7   SOLE  VOTING  POWER
      0

8   SHARED  VOTING  POWER
      30,903,533

9   SOLE  DISPOSITIVE  POWER
      0

10  SHARED  DISPOSITIVE  POWER
      30,903,533

11  AGGREGATE  AMOUNT  BENEFICIALLY  OWNED  BY  EACH  REPORTING  PERSON
      30,903,533

12  CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES    / /

13  PERCENT  OF  CLASS  REPRESENTED  BY  AMOUNT  IN  ROW  (11)
      4.64%

14  TYPE  OF  REPORTING  PERSON
      CO



                                  SCHEDULE 13D

CUSIP No. 165167107

1   NAME  OF  REPORTING  PERSON
      Beckton  Corp.

2   CHECK  THE  APPROPRIATE  BOX  IF  A  MEMBER  OF  A  GROUP
      (a) / /
      (b) / /

3   SEC  USE  ONLY

4   SOURCE  OF  FUNDS
      OO

5   CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO ITEMS
    2(d)  or  2(e)     /  /

6   CITIZENSHIP  OR  PLACE  OF  ORGANIZATION
      Delaware

NUMBER  OF  SHARES  BENEFICIALLY  OWNED  BY  EACH  REPORTING  PERSON  WITH:

7   SOLE  VOTING  POWER
      0

8   SHARED  VOTING  POWER
      30,903,533

9   SOLE  DISPOSITIVE  POWER
      0

10  SHARED  DISPOSITIVE  POWER
      30,903,533

11  AGGREGATE  AMOUNT  BENEFICIALLY  OWNED  BY  EACH  REPORTING  PERSON
      30,903,533

12  CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES    / /

13  PERCENT  OF  CLASS  REPRESENTED  BY  AMOUNT  IN  ROW  (11)
      4.64%

14  TYPE  OF  REPORTING  PERSON
      CO



                                  SCHEDULE 13D

CUSIP No. 165167107

1   NAME  OF  REPORTING  PERSON
      Carl  C.  Icahn

2   CHECK  THE  APPROPRIATE  BOX  IF  A  MEMBER  OF  A  GROUP
      (a) / /
      (b) / /

3   SEC  USE  ONLY

4   SOURCE  OF  FUNDS
      OO

5   CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO ITEMS
    2(d)  or  2(e)     /  /

6   CITIZENSHIP  OR  PLACE  OF  ORGANIZATION
      United  States  of  America

NUMBER  OF  SHARES  BENEFICIALLY  OWNED  BY  EACH  REPORTING  PERSON  WITH:

7   SOLE  VOTING  POWER
      0

8   SHARED  VOTING  POWER
      38,629,417

9   SOLE  DISPOSITIVE  POWER
      0

10  SHARED  DISPOSITIVE  POWER
      38,629,417

11  AGGREGATE  AMOUNT  BENEFICIALLY  OWNED  BY  EACH  REPORTING  PERSON
      38,629,417

12  CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES    / /

13  PERCENT  OF  CLASS  REPRESENTED  BY  AMOUNT  IN  ROW  (11)
      5.80%

14  TYPE  OF  REPORTING  PERSON
      IN



                                  SCHEDULE 13D

Item 1. Security and Issuer

     This statement relates to the Common Stock, par value $0.01 (the "Shares"),
issued  by  Chesapeake  Energy  Corporation  (the  "Issuer"). The address of the
principal executive offices of the Issuer is 6100 North Western Avenue, Oklahoma
City,  Oklahoma  73118.

Item 2. Identity and Background

     The persons filing this statement are High River Limited Partnership ("High
River"),  Hopper  Investments LLC ("Hopper"), Barberry Corp. ("Barberry"), Icahn
Partners  Master  Fund  LP  ("Icahn  Master"),  Icahn Partners Master Fund II LP
("Icahn  Master  II"),  Icahn  Partners Master Fund III LP ("Icahn Master III"),
Icahn  Offshore  LP  ("Icahn  Offshore"),  Icahn Partners LP ("Icahn Partners"),
Icahn  Onshore  LP ("Icahn Onshore"), Icahn Capital LP ("Icahn Capital"), IPH GP
LLC  ("IPH"),  Icahn  Enterprises  Holdings L.P. ("Icahn Enterprises Holdings"),
Icahn Enterprises G.P. Inc. ("Icahn Enterprises GP"), Beckton Corp. ("Beckton"),
and  Carl C. Icahn, a citizen of the United States of America (collectively, the
"Reporting  Persons").

     The principal business address of each of (i) High River, Hopper, Barberry,
Icahn  Offshore,  Icahn  Partners,  Icahn  Onshore,  Icahn  Capital,  IPH, Icahn
Enterprises  Holdings,  Icahn  Enterprises GP and Beckton is White Plains Plaza,
445  Hamilton  Avenue  -  Suite 1210, White Plains, NY 10601, (ii) Icahn Master,
Icahn Master II and Icahn Master III is c/o Walkers SPV Limited, P.O. Box 908GT,
87  Mary  Street, George Town, Grand Cayman, Cayman Islands, and (iii) Mr. Icahn
is c/o Icahn Associates Corp., 767 Fifth Avenue, 47th Floor, New York, NY 10153.

     Barberry is the sole member of Hopper, which is the general partner of High
River.  Icahn  Offshore  is  the  general partner of each of Icahn Master, Icahn
Master  II  and  Icahn Master III. Icahn Onshore is the general partner of Icahn
Partners.  Icahn  Capital  is  the general partner of each of Icahn Offshore and
Icahn  Onshore.  Icahn  Enterprises Holdings is the sole member of IPH, which is
the  general  partner of Icahn Capital. Beckton is the sole stockholder of Icahn
Enterprises GP, which is the general partner of Icahn Enterprises Holdings. Carl
C.  Icahn  is the sole stockholder of each of Barberry and Beckton. As such, Mr.
Icahn  is  in  a  position  indirectly  to  determine  the investment and voting
decisions  made  by each of the Reporting Persons. In addition, Mr. Icahn is the
indirect  holder  of  approximately  92.6%  of  the outstanding depositary units
representing  limited  partnership  interests  in Icahn Enterprises L.P. ("Icahn
Enterprises"). Icahn Enterprises GP is the general partner of Icahn Enterprises,
which  is  the  sole  limited  partner  of  Icahn  Enterprises  Holdings.

     Each  of  High  River  and Barberry is primarily engaged in the business of
investing  in securities. Hopper is primarily engaged in the business of serving
as  the  general  partner of High River.  Each of Icahn Master, Icahn Master II,
Icahn  Master  III  and  Icahn  Partners is primarily engaged in the business of
investing  in securities. Icahn Offshore is primarily engaged in the business of
serving  as  the  general  partner  of each of Icahn Master, Icahn Master II and
Icahn  Master III. Icahn Onshore is primarily engaged in the business of serving
as  the general partner of Icahn Partners. Icahn Capital is primarily engaged in
the  business  of  serving  as the general partner of each of Icahn Offshore and
Icahn  Onshore.  IPH  is  primarily  engaged  in  the business of serving as the
general  partner  of  Icahn  Capital.  Icahn  Enterprises  Holdings is primarily
engaged  in  the  business  of  holding  direct or indirect interests in various
operating  businesses. Icahn Enterprises GP is primarily engaged in the business
of  serving  as  the  general  partner  of  each  of Icahn Enterprises and Icahn
Enterprises  Holdings.  Beckton  is primarily engaged in the business of holding
the  capital  stock  of  Icahn  Enterprises  GP.

     Carl  C.  Icahn's  present principal occupation or employment is serving as
(i)  Chief  Executive  Officer of Icahn Capital LP, a wholly owned subsidiary of
Icahn  Enterprises,  through  which Mr. Icahn manages various private investment
funds,  including Icahn Partners, Icahn Master, Icahn Master II and Icahn Master
III,  (ii) Chairman of the Board of Icahn Enterprises GP, the general partner of
Icahn  Enterprises, a New York Stock Exchange listed diversified holding company
engaged  in  a  variety  of businesses, including investment management, metals,
automotive,  real  estate,  railcar,  food  packaging,  casino gambling and home
fashion,  and  (iii)  Chairman  of  the Board and a director of Starfire Holding
Corporation ("Starfire"), a holding company engaged in the business of investing
in  and/or  holding securities of various entities, and as Chairman of the Board
and  a  director  of  various  of  Starfire's  subsidiaries.

     The  name,  citizenship,  present  principal  occupation  or employment and
business address of each director and executive officer of the Reporting Persons
are  set  forth  in  Schedule  A  attached  hereto.

     None  of  the Reporting Persons nor any manager or executive officer of the
Reporting  Persons,  has,  during  the  past five years, (a) been convicted in a
criminal  proceeding  (excluding traffic violations or similar misdemeanors), or
(b)  been  a party to a civil proceeding of a judicial or administrative body of
competent jurisdiction and as a result of such proceeding was or is subject to a
judgment,  decree or final order enjoining future violations of, or prohibiting,
or  mandating  activities  subject  to,  Federal  or  State securities laws or a
finding  of  any  violation  with  respect  to  such  laws.

Item 3. Source and Amount of Funds or Other Consideration

     The  Reporting  Persons  hold,  in  the  aggregate,  38,629,417 Shares. The
aggregate  purchase  price  of  the  Shares  purchased  by the Reporting Persons
collectively  was  approximately  $945.9  million  (including  commissions  and
premiums  for  the  options  to  purchase Shares). The source of funding for the
purchase  of  these  Shares  was  the  general working capital of the respective
purchasers.  The  Shares  are  held  by the Reporting Persons in margin accounts
together  with other securities. Such margin accounts may from time to time have
debit  balances.  Part  of  the  purchase  price  of the Shares purchased by the
Reporting  Persons  was  obtained  through  margin borrowing. As of the close of
business  on  December  16,  2010,  the  indebtedness of (i) High River's margin
account  was  approximately  $759.6 million, (ii) Icahn Partners' margin account
was  approximately  $456.9  million,  (iii)  Icahn  Master's  margin account was
approximately  $553.1  million,  (iv)  Icahn  Master  II's  margin  account  was
approximately  $281.3  million,  and  (v)  Icahn Master III's margin account was
approximately  $68.5  million.

Item 4. Purpose of Transaction

     The  Reporting  Persons  acquired  the Shares in the belief that the Shares
were  undervalued. The Reporting Persons have had and intend to seek to continue
to  have  conversations with the Issuer's management to discuss the business and
operations  of  the  Issuer  and  the  maximization  of  shareholder  value.

     The  Reporting  Persons  may,  from  time  to time and at any time, acquire
additional  Shares  and/or  other  equity,  debt,  notes,  instruments  or other
securities  of  the  Issuer,  or  related  to  the  securities  of  the  Issuer
(collectively, "Securities"), in the open market or otherwise.  They reserve the
right  to  dispose  of  any  or  all  of  their Securities in the open market or
otherwise,  at  any  time and from time to time, and to engage in any hedging or
similar  transactions  with  respect  to  the  Securities.

Item 5. Interest in Securities of the Issuer

     (a)  The  Reporting  Persons  may  be  deemed  to  beneficially own, in the
aggregate,  38,629,417  Shares, representing approximately 5.80% of the Issuer's
outstanding  Shares  based  upon  (i)  the  653,915,007  Shares  stated  to  be
outstanding as of November 3, 2010 by the Issuer in the Issuer's Form 10-Q filed
with  the  Securities  and  Exchange  Commission  on  November 9, 2010, (ii) the
26,100,784  Shares  beneficially  held  by  the  Filing  Persons,  and (iii) the
12,528,633  Shares  issuable  upon  conversion  of  the 350,000 shares of 5 3/4%
Cumulative  Non-Voting  Convertible  Preferred  Stock  (Series A) (the "Series A
Shares")  beneficially  held  by  the  Filing  Persons.

     (b) High River has sole voting power and sole dispositive power with regard
to 5,220,157 Shares (which includes 2,505,727 Series A Shares).  Each of Hopper,
Barberry and Mr. Icahn has shared voting power and shared dispositive power with
regard  to  such Shares. Icahn Master has sole voting power and sole dispositive
power  with  regard  to  9,027,385  Shares  (which  includes  4,228,879 Series A
Shares).  Each  of  Icahn  Offshore,  Icahn  Capital,  IPH,  Icahn  Enterprises
Holdings,  Icahn  Enterprises  GP, Beckton and Mr. Icahn has shared voting power
and  shared  dispositive  power with regard to such Shares.  Icahn Master II has
sole  voting  power  and  sole dispositive power with regard to 2,611,560 Shares
(which  includes  1,526,381  Series  A  Shares).  Each  of Icahn Offshore, Icahn
Capital,  IPH, Icahn Enterprises Holdings, Icahn Enterprises GP, Beckton and Mr.
Icahn  has  shared voting power and shared dispositive power with regard to such
Shares.  Icahn  Master III has sole voting power and sole dispositive power with
regard  to  1,271,393  Shares  (which includes 567,976 Series A Shares). Each of
Icahn  Offshore,  Icahn  Capital,  IPH,  Icahn  Enterprises  Holdings,  Icahn
Enterprises  GP,  Beckton  and  Mr.  Icahn  has  shared  voting power and shared
dispositive  power  with  regard  to such Shares. Icahn Partners has sole voting
power and sole dispositive power with regard to 7,970,289 Shares (which includes
3,699,670  Series  A  Shares).  Each of Icahn Onshore, Icahn Capital, IPH, Icahn
Enterprises  Holdings,  Icahn  Enterprises  GP, Beckton and Mr. Icahn has shared
voting  power  and  shared  dispositive  power  with  regard  to  such  Shares.

     Each of Hopper, Barberry and Mr. Icahn, by virtue of their relationships to
High  River  (as  disclosed in Item 2), may be deemed to indirectly beneficially
own  (as that term is defined in Rule 13d-3 under the Act) the Shares which High
River  directly  beneficially  owns.  Each  of  Hopper,  Barberry  and Mr. Icahn
disclaims  beneficial  ownership of such Shares for all other purposes.  Each of
Icahn  Offshore,  Icahn  Capital,  IPH,  Icahn  Enterprises  Holdings,  Icahn
Enterprises  GP, Beckton and Mr. Icahn, by virtue of their relationships to each
of  Icahn Master, Icahn Master II and Icahn Master III (as disclosed in Item 2),
may  be  deemed  to indirectly beneficially own (as that term is defined in Rule
13d-3  under the Act) the Shares which each of Icahn Master, Icahn Master II and
Icahn  Master  III  directly  beneficially  owns.  Each of Icahn Offshore, Icahn
Capital,  IPH, Icahn Enterprises Holdings, Icahn Enterprises GP, Beckton and Mr.
Icahn disclaims beneficial ownership of such Shares for all other purposes. Each
of  Icahn  Onshore,  Icahn  Capital,  IPH,  Icahn  Enterprises  Holdings,  Icahn
Enterprises GP, Beckton and Mr. Icahn, by virtue of their relationships to Icahn
Partners  (as disclosed in Item 2), may be deemed to indirectly beneficially own
(as  that  term  is  defined in Rule 13d-3 under the Act) the Shares which Icahn
Partners  directly beneficially owns. Each of Icahn Onshore, Icahn Capital, IPH,
Icahn  Enterprises  Holdings,  Icahn  Enterprises  GP,  Beckton  and  Mr.  Icahn
disclaims  beneficial  ownership  of  such  Shares  for  all  other  purposes.

     (c)  The following table sets forth all transactions with respect to Shares
effected  during  the  past  sixty  (60)  days  by any of the Reporting Persons,
inclusive of any transactions effected through 5:00 p.m., New York City time, on
December  17,  2010. Except as otherwise noted below, all such transactions were
purchases  of  Shares  effected  in  the  open  market,  and  the table includes
commissions  paid  in  per  share  prices.

Name of                 Date                    No. of            Purchase Price
Reporting               of                      Shares            Per Share
Person                  Transaction             Purchased         (U.S.$)
---------               -----------             ---------         --------------
High River               12/07/2010              280,898               22.72
High River               12/08/2010               94,056               22.75
High River               12/09/2010              105,320               22.75
High River               12/10/2010              160,104               22.87
High River               12/13/2010              297,136               22.89
High River               12/14/2010              121,885               22.88

Icahn Partners           12/07/2010              447,464               22.72
Icahn Partners           12/08/2010              143,609               22.75
Icahn Partners           12/09/2010              160,805               22.75
Icahn Partners           12/10/2010              244,451               22.87
Icahn Partners           12/13/2010              453,677               22.89
Icahn Partners           12/14/2010              186,096               22.88

Icahn Master             12/07/2010              494,527               22.72
Icahn Master             12/08/2010              162,655               22.75
Icahn Master             12/09/2010              182,134               22.75
Icahn Master             12/10/2010              276,875               22.87
Icahn Master             12/13/2010              513,845               22.89
Icahn Master             12/14/2010              210,780               22.88

Icahn Master II          12/07/2010              114,703               22.72
Icahn Master II          12/08/2010               47,056               22.75
Icahn Master II          12/09/2010               52,689               22.75
Icahn Master II          12/10/2010               80,097               22.87
Icahn Master II          12/13/2010              148,653               22.89
Icahn Master II          12/14/2010               60,977               22.88

Icahn Master III         12/07/2010               66,898               22.72
Icahn Master III         12/08/2010               22,906               22.75
Icahn Master III         12/09/2010               25,652               22.75
Icahn Master III         12/10/2010               38,994               22.87
Icahn Master III         12/13/2010               72,368               22.89
Icahn Master III         12/14/2010               29,686               22.88

Item 6. Contracts, Arrangements, Understandings or Relationship with Respect
        to  Securities  of  the  Issuer

     Except as otherwise described herein, there are no contracts, arrangements,
understandings  or relationships (legal or otherwise) among the persons named in
Item 2 and between such persons and any person with respect to any securities of
the  Issuer,  including  but  not  limited  to  transfer or voting of any of the
securities,  finder's fees, joint ventures, loan or option arrangements, puts or
calls,  guarantees  of  profits,  division  of profits or loss, or the giving or
withholding  of  proxies.

Item 7. Material to be Filed as Exhibits

     1    Joint Filing Agreement of the Reporting Persons.




                                   SIGNATURE

     After  reasonable  inquiry  and  to  the  best  of  each of the undersigned
knowledge and belief, each of the undersigned certifies that the information set
forth  in  this  statement  is  true,  complete  and  correct.

Dated:  December  17,  2010


ICAHN  PARTNERS  MASTER  FUND  LP
ICAHN  PARTNERS  MASTER  FUND  II  LP
ICAHN  PARTNERS  MASTER  FUND  III  LP
ICAHN  OFFSHORE  LP
ICAHN  PARTNERS  LP
ICAHN  ONSHORE  LP
BECKTON  CORP.
HOPPER  INVESTMENTS  LLC
BARBERRY  CORP.
HIGH  RIVER  LIMITED  PARTNERSHIP
     By:  Hopper  Investments  LLC,  general  partner


     By:  /s/  Edward  E.  Mattner
          ------------------------
          Name:  Edward  E.  Mattner
          Title:  Authorized  Signatory


ICAHN  CAPITAL  LP
IPH  GP  LLC
ICAHN  ENTERPRISES  HOLDINGS  L.P.
     By:  Icahn  Enterprises  G.P.  Inc.,  its  general  partner
ICAHN  ENTERPRISES  G.P.  INC.


     By:  /s/ Daniel  A.  Ninivaggi
          -------------------------
          Name:  Daniel  A.  Ninivaggi
          Title:  President









/s/  Carl  C.  Icahn
--------------------
CARL  C.  ICAHN






        [Signature Page of Schedule 13D - Chesapeake Energy Corporation]



                                   EXHIBIT 1

                             JOINT FILING AGREEMENT

     In  accordance  with  Rule 13d-1(k)(1) under the Securities Exchange Act of
1934, as amended, the persons named below agree to the joint filing on behalf of
each  of them of a statement on Schedule 13D (including amendments thereto) with
respect  to  the Common Stock of Chesapeake Energy Corporation and further agree
that  this  Joint  Filing  Agreement  be  included  as  an Exhibit to such joint
filings.  In  evidence  thereof,  the  undersigned,  being duly authorized, have
executed  this  Joint  Filing  Agreement  this  17th  day  of  December,  2010.



ICAHN  PARTNERS  MASTER  FUND  LP
ICAHN  PARTNERS  MASTER  FUND  II  LP
ICAHN  PARTNERS  MASTER  FUND  III  LP
ICAHN  OFFSHORE  LP
ICAHN  PARTNERS  LP
ICAHN  ONSHORE  LP
BECKTON  CORP.
HOPPER  INVESTMENTS  LLC
BARBERRY  CORP.
HIGH  RIVER  LIMITED  PARTNERSHIP
     By:  Hopper  Investments  LLC,  general  partner


     By:  /s/  Edward  E.  Mattner
          ------------------------
          Name:  Edward  E.  Mattner
          Title:  Authorized  Signatory


ICAHN  CAPITAL  LP
IPH  GP  LLC
ICAHN  ENTERPRISES  HOLDINGS  L.P.
     By:  Icahn  Enterprises  G.P.  Inc.,  its  general  partner
ICAHN  ENTERPRISES  G.P.  INC.


     By:  /s/ Daniel  A.  Ninivaggi
          -------------------------
          Name:  Daniel  A.  Ninivaggi
          Title:  President








/s/  Carl  C.  Icahn
--------------------
CARL  C.  ICAHN







 [Signature Page of Joint Filing Agreement to Schedule 13D - Chesapeake Energy
                                  Corporation]



                                   SCHEDULE A

           DIRECTORS AND EXECUTIVE OFFICERS OF THE REPORTING PERSONS

     The  following  sets  forth the name, position, and principal occupation of
each  director and executive officer of each of the Reporting Persons. Each such
person  is  a  citizen  of  the  United  States  of America. Except as otherwise
indicated,  the  business  address  of  each  director  and officer is c/o Icahn
Associates Corp., 767 Fifth Avenue, 47th Floor, New York, New York 10153. To the
best  of the Reporting Persons' knowledge, except as set forth in this statement
on  Schedule  13D,  none of the directors or executive officers of the Reporting
Persons  own  any  Shares.

ICAHN  PARTNERS  MASTER  FUND  LP
ICAHN  PARTNERS  MASTER  FUND  II  LP
ICAHN  PARTNERS  MASTER  FUND  III  LP
Name                                  Position
----                                  --------
Icahn  Offshore  LP                   Managing  General  Partner
Carl  C.  Icahn                       Chief Executive Officer; Authorized
                                      Signatory
Vincent  J.  Intrieri                 Senior  Managing  Director;  Authorized
                                      Signatory
Irene  March                          Chief  Financial  Officer;  Authorized
                                      Signatory
Edward  E.  Mattner                   Authorized  Signatory
Gail  Golden                          Authorized  Signatory
Dana  Witkin                          Director  of  Investor  Relations
Keith  Cozza                          Chief  Compliance  Officer
Anthony  Canova                       Controller


ICAHN  PARTNERS  LP
Name                                  Position
----                                  --------
Icahn  Onshore  LP                    General  Partner
Carl  C.  Icahn                       Chief  Executive  Officer;  Authorized
                                      Signatory
Vincent  J.  Intrieri                 Senior  Managing  Director;  Authorized
                                      Signatory
Irene  March                          Chief  Financial  Officer;  Authorized
                                      Signatory
Edward  E.  Mattner                   Authorized  Signatory
Gail  Golden                          Authorized  Signatory
Dana  Witkin                          Director  of  Investor  Relations
Keith  Cozza                          Chief  Compliance  Officer
Anthony  Canova                       Controller


ICAHN  ONSHORE  LP
ICAHN  OFFSHORE  LP
Name                                  Position
----                                  --------
Icahn  Capital  LP                    General  Partner
Carl  C.  Icahn                       Chief  Executive  Officer;  Authorized
                                      Signatory
Vincent  J.  Intrieri                 Senior  Managing  Director;  Authorized
                                      Signatory
Irene  March                          Chief  Financial  Officer;  Authorized
                                      Signatory
Edward  E.  Mattner                   Authorized  Signatory
Gail  Golden                          Authorized  Signatory
Dana  Witkin                          Director  of  Investor  Relations
Keith  Cozza                          Chief  Compliance  Officer
Anthony  Canova                       Controller


ICAHN  CAPITAL  LP
Name                                  Position
----                                  --------
IPH GP LLC                            General Partner
Carl  C.  Icahn                       Chief  Executive  Officer;  Authorized
                                      Signatory
Vincent  J.  Intrieri                 Senior  Managing  Director;  Authorized
                                      Signatory
Daniel  A.  Ninivaggi                 President;  Authorized  Signatory
Dominick Ragone                       Chief Financial Officer; Authorized
                                      Signatory
Edward  E.  Mattner                   Authorized  Signatory
Gail  Golden                          Authorized  Signatory
Keith  Cozza                          Chief  Compliance  Officer


IPH  GP  LLC
Name                                  Position
----                                  --------
Icahn Enterprises Holdings L.P.       Sole Member
Carl  C.  Icahn                       Chief  Executive  Officer;  Authorized
                                      Signatory
Vincent  J.  Intrieri                 Senior  Managing  Director;  Authorized
                                      Signatory
Daniel  A.  Ninivaggi                 President;  Authorized  Signatory
Dominick Ragone                       Chief Financial Officer; Authorized
                                      Signatory
Edward  E.  Mattner                   Authorized  Signatory
Gail  Golden                          Authorized  Signatory
Keith  Cozza                          Chief  Compliance  Officer


ICAHN ENTERPRISES HOLDINGS L.P.
Name                                  Position
----                                  --------
Icahn Enterprises G.P. Inc.           General Partner


ICAHN ENTERPRISES G.P. INC.
Name                                  Position
----                                  --------
Carl C. Icahn                         Chairman
Daniel A. Ninivaggi                   President
William A. Leidesdorf                 Director
Jack G. Wasserman                     Director
James L. Nelson                       Director
Vincent J. Intrieri                   Director; Authorized Signatory
Dominick Ragone                       Chief Financial Officer; Chief Accounting
                                      Officer; Secretary
Felicia P. Buebel                     Assistant Secretary
Craig Pettit                          Vice President/Taxes


BECKTON CORP.
Name                                  Position
----                                  --------
Carl C. Icahn                         Chairman of the Board; President
Jordan Bleznick                       Vice President/Taxes
Edward E. Mattner                     Authorized Signatory
Keith Cozza                           Secretary; Treasurer


HIGH RIVER LIMITED PARTNERSHIP
Name                                  Position
----                                  --------
Hopper Investments LLC                General Partner


HOPPER INVESTMENTS LLC
Name                                  Position
----                                  --------
Barberry Corp.                        Member
Edward E. Mattner                     Authorized Signatory


BARBERRY CORP.
Name                                  Position
----                                  --------
Carl C. Icahn                         Chairman of the Board; President
Gail Golden                           Vice President; Authorized Signatory
Jordan Bleznick                       Vice President/Taxes
Vincent J. Intrieri                   Vice President; Authorized Signatory
Irene March                           Authorized Signatory
Edward E. Mattner                     Authorized Signatory
Keith Cozza                           Secretary; Treasurer