Ownership Submission
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 *
WILLIAMSON HERBERT C III
  2. Issuer Name and Ticker or Trading Symbol
EAGLE ROCK ENERGY PARTNERS L P [EROC]
5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
__X__ Director _____ 10% Owner
_____ Officer (give title below) _____ Other (specify below)
(Last)
(First)
(Middle)
EAGLE ROCK ENERGY PARTNERS, L.P., P.O., BOX 2968
3. Date of Earliest Transaction (Month/Day/Year)
10/08/2015
(Street)

HOUSTON, TX 77252
4. If Amendment, Date Original Filed(Month/Day/Year)
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 (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 Representing Limited Partner Interests 10/08/2015   D   86,704 D (1) (2) (3) 0 D  

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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
WILLIAMSON HERBERT C III
EAGLE ROCK ENERGY PARTNERS, L.P., P.O.
BOX 2968
HOUSTON, TX 77252
  X      

Signatures

 /s/ Charles C. Boettcher, Attorney-In-Fact   10/08/2015
**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) On October 8, 2015, pursuant to the Agreement and Plan of Merger dated as of May 21, 2015 (the "Merger Agreement"), by and among Eagle Rock Energy Partners, L.P. (the "Partnership"), Eagle Rock Energy GP, L.P., Vanguard Natural Resources, LLC ("Vanguard") and Talon Merger Sub, LLC ("Merger Sub"), Merger Sub merged with and into the Partnership (the "Merger"), with the Partnership continuing as the surviving entity and as a wholly owned indirect subsidiary of Vanguard.
(2) Pursuant to the Merger Agreement, each Partnership common unit issued and outstanding immediately prior to the effective time of the Merger was converted at such time into the right to receive 0.185 Vanguard common units or, in the case of fractional Vanguard common units, cash (without interest and rounded up to the nearest whole cent) in an amount equal to the product of (i) such fractional part of a Vanguard common unit multiplied by (ii) the average closing price for a Vanguard common unit as reported on the NASDAQ Global Select Market for the ten consecutive full trading days ending at the close of trading on October 7, 2015. On the effective date of the Merger, the closing price of a Vanguard common unit was $9.31.
(3) Pursuant to the Merger Agreement, the vesting of Partnership restricted units held at the effective time by a member of the Partnership's board of directors was accelerated by the Partnership in accordance with the terms of the Partnership Long-Term Incentive Program and the applicable award agreements, and such Partnership restricted units were converted into Vanguard restricted units equal to the result of (i) the number of Partnership restricted units subject to such award multiplied by (ii) 0.185, rounded down to the nearest whole Vanguard restricted unit.

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