Sec Form 4 Filing - DUGINSKI MICHAEL @ BERRY PETROLEUM CO - 2013-01-08

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

OMB APPROVAL OMB Number: 3235-0287 Expires: November 30, 2011 Estimated average burden hours per response... 0.5

1. Name and Address of Reporting Person DUGINSKI MICHAEL 2. Issuer Name and Ticker or Trading Symbol BERRY PETROLEUM CO [ BRY] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) _____ Director _____ 10% Owner X __ Officer (give title below) _____ Other (specify below) Exec. VP & COO (Last) (First) (Middle) C/O BERRY PETROLEUM COMPANY, 1999 BROADWAY, SUITE 3700 3. Date of Earliest Transaction (MM/DD/YY) 01/08/2013 (Street) DENVER, CO80202 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 Class A Common Stock 16,235 I Held in 401(k) Plan Class A Common Stock 01/08/2013 M 14,000 ( 4 ) A $ 35.535 37,614 D Class A Common Stock 01/09/2013 M 2,408 ( 4 ) A $ 35.645 40,022 D Class A Common Stock 01/09/2013 S 1,276 D $ 35.0123 38,746 D Class A Common Stock 01/09/2013 S 100 D $ 35.02 38,646 D Class A Common Stock 01/09/2013 S 626 D $ 35.03 38,020 D Class A Common Stock 01/09/2013 S 74 D $ 35.04 37,946 D Class A Common Stock 01/09/2013 S 400 D $ 35.08 37,546 D Class A Common Stock 01/09/2013 S 100 D $ 35.13 37,446 D Class A Common Stock 01/09/2013 S 600 D $ 35.14 36,846 D Class A Common Stock 01/09/2013 S 800 D $ 35.15 36,046 D Class A Common Stock 01/09/2013 S 27 D $ 35.16 36,019 D Class A Common Stock 01/09/2013 S 111 D $ 35.21 35,908 D Class A Common Stock 01/09/2013 S 100 D $ 35.24 35,808 D

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 Nonstatutory Stock Option 12-05-03 $ 9.97 12/05/2004 12/05/2013 Class A Common Stock 20,000 20,000 D Nonstatutory Stock Option 11-23-04 $ 21.58 11/23/2005 11/23/2014 Class A Common Stock 70,000 70,000 D Nonstatutory Stock Option 12-15-05 $ 30.645 12/15/2006 12/15/2015 Class A Common Stock 50,000 50,000 D Nonstatutory Stock Option 12-15-06 $ 32.565 12/15/2007 12/14/2016 Class A Common Stock 56,000 56,000 D NSO 2007 $ 43.61 12/14/2008 12/13/2017 Class A Common Stock 36,133 36,133 D 2009 Restricted Stock Units $ 0 12/11/2010 12/11/2019 Class A Common Stock 42,919 42,919 D Perf Based RSUs 3-16-10 ( 1 ) $ 0 ( 2 ) 12/31/2012( 2 ) 12/31/2012 Class A Common Stock 18,776 18,776 ( 3 ) D March 2011 Employee RSU Grant $ 0 03/02/2012 03/02/2021 Class A Common Stock 12,887 12,887 D Non-Statutory Stock Option 3-2-2011 - $48.50 $ 48.5 03/02/2012 03/02/2021 Class A Common Stock 14,790 14,790 D Perf Based RSU 3-2-2011 $ 0 12/31/2013 03/02/2021 Class A Common Stock 11,275 11,275 D March 2, 2012 Employee RSU Grant $ 0 03/02/2013 03/02/2022 Class A Common Stock 11,789 11,789 D Non Statutory Stock Option 3-2-12 $ 53.02 03/02/2013 03/02/2022 Class A Common Stock 13,914 13,914 D Perf Based RSUs 3-2-12 $ 0 12/31/2014 03/02/2022 Class A Common Stock 10,314 10,314 D 2008 Restricted Stock Units $ 0 01/08/2013 M 14,000 ( 5 ) 12/12/2009 12/11/2018 Class A Common Stock 70,000 $ 35.535 56,000 D 2007 Restricted Stock Unit $ 0 01/09/2013 M 2,408 ( 5 ) 12/14/2008 12/13/2017 Class A Common Stock 9,632 $ 35.645 7,224 D

Reporting Owners Reporting Owner Name / Address Relationships Director 10% Owner Officer Other DUGINSKI MICHAEL C/O BERRY PETROLEUM COMPANY 1999 BROADWAY, SUITE 3700 DENVER, CO80202 Exec. VP & COO Signatures Kenneth A Olson under POA for Michael Duginski 01/09/2013 Signature of Reporting Person Date

Explanation of Responses:

( 1 )1 for 1 ( 2 )Each RSU represents a contingent right to receive one share of Berry Petroleum Company Class A Common Stock if certain pre-established performance factors, as set forth in the Company's Form 8-K dated March 18, 2010, are met. ( 3 )Per the Agreement this is the maximum number of performance based RSUs that may be received if all performance factors are achieved as outlined in the Form 8-K dated March 18, 2010. ( 4 )Issuance of shares from previous RSU grant based on meeting terms and timing of deferral election. ( 5 )Issuance of 20% of RSU shares pursuant to a Rule 16b-3 Plan per deferral election in place at date of grant.

Remarks: Shares were sold to cover taxes due on RSU share issuance.

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 Ins truction 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 Number.