FORM 4
[ ] Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).         
UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES
                                                                                  
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Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934, Section 17(a) of the Public
Utility Holding Company Act of 1935 or Section 30(f) of the Investment Company Act of 1940
                      

1. Name and Address of Reporting Person *

CHESAPEAKE MIDSTREAM HOLDINGS LLC 		2. Issuer Name and Ticker or Trading Symbol

CHESAPEAKE MIDSTREAM PARTNERS LP [ CHKM ] 		5. Relationship of Reporting Person(s) to Issuer (Check all applicable)

__ X __ Director                      __ X __ 10% Owner
_____ Officer (give title below)      _____ Other (specify below)
(Last)          (First)          (Middle)

900 NW 63RD STREET 		3. Date of Earliest Transaction (MM/DD/YYYY)

6/15/2012
(Street)

OKLAHOMA CITY, OK 73118
(City)        (State)        (Zip)
4. If Amendment, Date Original Filed (MM/DD/YYYY)

 
6. Individual or Joint/Group Filing (Check Applicable Line)

___ Form filed by One Reporting Person
_ X _ Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1.Title of Security
(Instr. 3) 		2. Trans. Date 2A. Deemed Execution Date, if any 3. Trans. Code
(Instr. 8) 		4. Securities Acquired (A) or Disposed of (D)
(Instr. 3, 4 and 5) 		5. Amount of Securities Beneficially Owned Following Reported Transaction(s)
(Instr. 3 and 4) 		6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 7. Nature of Indirect Beneficial Ownership (Instr. 4)
Code V Amount (A) or (D) Price

Table II - Derivative Securities Beneficially Owned ( e.g. , puts, calls, warrants, options, convertible securities)
1. Title of Derivate Security
(Instr. 3) 		2. Conversion or Exercise Price of Derivative Security 3. Trans. Date 3A. Deemed Execution Date, if any 4. Trans. Code
(Instr. 8) 		5. Number of Derivative Securities Acquired (A) or Disposed of (D)
(Instr. 3, 4 and 5) 		6. Date Exercisable and Expiration Date 7. Title and Amount of Securities Underlying Derivative Security
(Instr. 3 and 4) 		8. Price of Derivative Security
(Instr. 5) 		9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4) 10. Ownership Form of Derivative Security: Direct (D) or Indirect (I) (Instr. 4) 11. Nature of Indirect Beneficial Ownership (Instr. 4)
Code V (A) (D) Date Exercisable Expiration Date Title Amount or Number of Shares
Subordinated Units   (1) (2) (3)   (3) 6/15/2012     S         28099946      (3)   (3) Common Units   28099946   $24.91   6438115   I   See Explanation of Responses  

Explanation of Responses:
( 1)  This form is filed jointly by Chesapeake Energy Corporation, an Oklahoma corporation ("Chesapeake"), and Chesapeake Midstream Holdings, L.L.C., a Delaware limited liability company and wholly owned subsidiary of Chesapeake ("CMH"). Chesapeake owns Common Units and Subordinated Units of Chesapeake Midstream Partners, L.P. (the "Issuer") indirectly through CMH.
( 2)  On June 15, 2012, CMH sold to GIP II Eagle 1 Holding, L.P., a Delaware limited partnership ("GIP II-1"), GIP II Eagle 2 Holding, L.P., a Delaware limited partnership ("GIP II-2"), and GIP II Eagle 3 Holding, L.P., a Delaware limited partnership (together with GIP II-1 and GIP II-2, the "GIP II Funds"), for cash consideration of $1.0 billion, (i) 28,099,946 Subordinated Units of the Issuer and (ii) 500 units of Chesapeake Midstream Ventures, L.L.C. ("CMV"), the sole member of Chesapeake Midstream GP, L.L.C., a Delaware limited liability company and the general partner of the Issuer (the "general partner") pursuant to a Purchase Agreement dated as of June 7, 2012 among CMH and the GIP II Funds party thereto.
( 3)  The Subordinated Units listed in Table II will automatically convert into Common Units on a one-for-one basis at the end of the Subordination Period. The Subordination Period will end as described in "Item V. Market for Registrant's Common Equity, Related Unitholder Matters and Issuer Purchases of Equity Securities-Selected Information from our Partnership Agreement-Minimum Quarterly Distribution" of the Issuer's Annual Report on Form 10-K for the year ended December 31, 2011.

Reporting Owners
Reporting Owner Name / Address
Relationships
Director 10% Owner Officer Other
CHESAPEAKE MIDSTREAM HOLDINGS LLC
900 NW 63RD STREET
OKLAHOMA CITY, OK 73118 		X X

CHESAPEAKE ENERGY CORP
6100 NORTH WESTERN AVENUE
OKLAHOMA CITY, OK 73118 		X X


Signatures
/s/ Marc D. Rome, Vice President-Corporate Governance and Assistant Corporate Secretary for Chesapeake Midstream Holdings, L.L.C. 6/19/2012
** Signature of Reporting Person Date

/s/ Marc D. Rome, Vice President-Corporate Governance and Assistant Corporate Secretary for Chesapeake Energy Corporation 6/19/2012
** Signature of Reporting Person Date


Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4(b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations. See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB control number.
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