Sec Form 4 Filing - Washburn Halbert S @ BreitBurn Energy Partners L.P. - 2012-03-05

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 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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1. Name and Address of Reporting Person Washburn Halbert S 2. Issuer Name and Ticker or Trading Symbol BreitBurn Energy Partners L.P. [ BBEP] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) X __ Director _____ 10% Owner X __ Officer (give title below) _____ Other (specify below) Chief Executive Officer (Last) (First) (Middle) 515 S. FLOWER STREET, SUITE 4800 3. Date of Earliest Transaction (MM/DD/YY) 03/05/2012 (Street) LOS ANGELES, CA90071 4. If Amendment, Date Original Filed (MM/DD/YY) 6. Individual or Joint/Group Filing (Check Applicable Line) __ X __ Form filed by One Reporting Person _____ 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 (MM/DD/YY) 2A. Deemed Execution Date, if any (MM/DD/YY) 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 Representing Limited Partner Interests 03/05/2012 S 25,000 D $ 19.04 ( 1 ) 193,392 D Common Units Representing Limited Partner Interests 690,751 I BreitBurn Energy Corporation ( 2 ) Common Units Representing Limited Partner Interests 6,485 I Family Trust ( 3 )

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 (MM/DD/YY) 3A. Deemed Execution Date, if any (MM/DD/YY) 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 (MM/DD/YY) 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 Washburn Halbert S 515 S. FLOWER STREET SUITE 4800 LOS ANGELES, CA90071 X Chief Executive Officer Signatures /s/ Roberta E. Kass, Attorney-in-Fact 03/06/2012 Signature of Reporting Person Date

Explanation of Responses:

( 1 )This transaction was executed in multiple trades at prices ranging from $18.99 to $19.12. The price reported above reflects the weighted average sales price. The reporting person hereby undertakes to provide upon request the SEC staff, the issuer or a security holder of the issuer full information regarding the number of common units and prices at which the transactions were effected. ( 2 )The reported common units are owned directly by BreitBurn Energy Corporation of which Mr. Washburn is the 48% owner. The Reporting Person disclaims beneficial ownership of the reported securities, except to the extent of his pecuniary interest therein. ( 3 )The reported common units are owned directly by the Washburn Family Trust, and Mr. Washburn has the power and authority to dispose of the common units and, accordingly, may be deemed to be the beneficial owner of such common units.

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).

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