XFRA:C2S Access Midstream Partners LP Insider Activity 4 Filing - 2/7/2012

Effective Date 2/7/2012

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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

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(h) of the Investment Company Act of 1940
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(Print or Type Responses)
1. Name and Address of Reporting Person *
Global Infrastructure Investors, Ltd
  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)
12 E. 49TH STREET
3. Date of Earliest Transaction (Month/Day/Year)
02/07/2012
(Street)

NEW YORK, NY 10017
4. If Amendment, Date Original Filed (Month/Day/Year)
6. Individual or Joint/Group Filing (Check Applicable Line)
___ Form filed by One Reporting Person
_X_ Form filed by More than One Reporting Person
(City)
(State)
(Zip)
Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1.Title of Security
(Instr. 3)
2. Transaction Date (Month/Day/Year) 2A. Deemed Execution Date, if any (Month/Day/Year) 3. Transaction 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
Common Units 02/07/2012   S   10,497,003 D $27.68 0 I See footnotes(1)(2)

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
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Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned
(e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security
(Instr. 3)
2. Conversion or Exercise Price of Derivative Security 3. Transaction Date (Month/Day/Year) 3A. Deemed Execution Date, if any (Month/Day/Year) 4. Transaction 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
(Month/Day/Year)
7. Title and Amount of Underlying Securities
(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

Reporting Owners

Reporting Owner Name / Address Relationships
 Director  10% Owner  Officer  Other
Global Infrastructure Investors, Ltd
12 E. 49TH STREET
NEW YORK, NY 10017
  X   X    
Global Infrastructure Management, LLC
12 E. 49TH STREET
NEW YORK, NY 10017
  X   X    
Global Infrastructure GP, L.P.
12 E. 49TH STREET
NEW YORK, NY 10017
  X   X    
GIP-A Holding (CHK), L.P.
12 E. 49TH STREET
NEW YORK, NY 10017
  X   X    
GIP-B Holding (CHK), L.P.
12 E. 49TH STREET
NEW YORK, NY 10017
  X   X    
GIP-C Holding (CHK), L.P.
12 E. 49TH STREET
NEW YORK, NY 10017
  X   X    

Signatures

 Jonathan Bram   02/09/2012
** Signature of Reporting Person Date

 Jonathan Bram   02/09/2012
** Signature of Reporting Person Date

 Jonathan Bram   02/09/2012
** Signature of Reporting Person Date

 Jonathan Bram   02/09/2012
** Signature of Reporting Person Date

 Jonathan Bram   02/09/2012
** Signature of Reporting Person Date

 Jonathan Bram   02/09/2012
** Signature of Reporting Person Date

Explanation of Responses:

* 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).
(1) This form is filed jointly by Global Infrastructure Investors, Limited ("GIP Investors"), Global Infrastructure Management, LLC ("GIP Management"), Global Infrastructure GP, L.P. ("GI GP"), GIP-A Holding (CHK), L.P. ("GIP-A"), GIP-B Holding (CHK), L.P. ("GIP-B") and GIP-C Holding (CHK), L.P. ("GIP-C" and together with GIP-A and GIP-B, the "GIP Partnerships").
(2) GIP Investors is the sole general partner of GI GP, which is the sole general partner of the limited partnerships that directly or indirectly own the general partners of each of the GIP Partnerships. Pursuant to, and subject to the terms and conditions of, a management agreement between GI GP and GIP Management, GIP Management has sole voting and investment power over the securities held by the GIP Partnerships. Each of GIP Investors, GIP Management and GI GP may be deemed to indirectly beneficially own these securities held by the GIP Partnerships, but disclaim beneficial ownership except to the extent of their pecuniary interest therein.

Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.

Potential persons who are to respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB number.

XFRA:C2S Access Midstream Partners LP Insider Activity 4 Filling

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XFRA:C2S Access Midstream Partners LP Insider Activity 4 Filing - 2/7/2012
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