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STATES</font></div>
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AND EXCHANGE COMMISSION</font></div>
    <div style="TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-FAMILY: Times New Roman; FONT-SIZE: 10pt">Washington,
D.C.&#160;&#160;20549</font></div>
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    <div style="TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-FAMILY: Times New Roman; FONT-SIZE: 10pt">______________________________</font></div>
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    <div style="TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-FAMILY: Times New Roman; FONT-SIZE: 18pt; FONT-WEIGHT: bold">FORM
8-K</font></div>
    <div style="TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-FAMILY: Times New Roman; FONT-SIZE: 10pt">_________________________</font></div>
    <div style="TEXT-INDENT: 0pt; DISPLAY: block"><br></div>
    <div style="TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-FAMILY: Times New Roman; FONT-SIZE: 10pt; FONT-WEIGHT: bold">CURRENT
REPORT</font></div>
    <div style="TEXT-INDENT: 0pt; DISPLAY: block"><br></div>
    <div style="TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-FAMILY: Times New Roman; FONT-SIZE: 10pt; FONT-WEIGHT: bold">Pursuant
to Section 13 or 15(d) of the Securities Exchange Act of 1934</font></div>
    <div style="TEXT-INDENT: 0pt; DISPLAY: block"><br></div>
    <div style="TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-FAMILY: Times New Roman; FONT-SIZE: 10pt">Date of
Report (Date of earliest event reported): <font style="DISPLAY: inline; FONT-WEIGHT: bold">March 9, 2010</font></font></div>
    <div style="TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt" align="center">&#160;</div>
    <div style="TEXT-ALIGN: center; TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt">&#160;</div>
    <div style="TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt" align="center"><br>
      <div style="TEXT-ALIGN: center; TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt"><img src="form8-k1.jpg" alt=""><br></div>
    </div>
    <div style="TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-FAMILY: Times New Roman; FONT-SIZE: 10pt">&#160;</font></div>
    <div style="TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-FAMILY: Times New Roman; FONT-SIZE: 24pt; FONT-WEIGHT: bold"><font style="DISPLAY: inline; TEXT-DECORATION: underline">EAGLE ROCK ENERGY PARTNERS,
L.P.</font></font></div>
    <div style="TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-FAMILY: Times New Roman; FONT-SIZE: 10pt">(Exact
name of Registrant as specified in its charter)</font></div>
    <div style="TEXT-INDENT: 0pt; DISPLAY: block"><br></div>
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            </td>
            <td valign="top" width="30%" style="BORDER-BOTTOM: black 2px solid">
              <div style="TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt; FONT-WEIGHT: bold"><font style="DISPLAY: inline">001-33016</font></font></div>
            </td>
            <td valign="top" width="29%" style="BORDER-BOTTOM: black 2px solid">
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            </td>
          </tr><tr>
            <td valign="top" width="29%">
              <div style="TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt">(State
      or other jurisdiction of incorporation or organization)</font></div>
            </td>
            <td valign="top" width="30%">
              <div style="TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt">Commission
      File Number</font></div>
            </td>
            <td valign="top" width="29%">
              <div style="TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt">(I.R.S.
      Employer Identification No.)</font></div>
            </td>
          </tr></table>
    </div>
    <div style="TEXT-INDENT: 0pt; DISPLAY: block"><br></div>
    <div style="TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-FAMILY: Times New Roman; FONT-SIZE: 10pt; FONT-WEIGHT: bold">1415
Louisiana Street, Suite 2700</font></div>
    <div style="TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-FAMILY: Times New Roman; FONT-SIZE: 10pt; FONT-WEIGHT: bold"><font style="DISPLAY: inline; TEXT-DECORATION: underline">Houston,
Texas&#160;&#160;77060</font></font></div>
    <div style="TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-FAMILY: Times New Roman; FONT-SIZE: 10pt">(Address
of principal executive offices, including zip code)</font></div>
    <div style="TEXT-INDENT: 0pt; DISPLAY: block"><br></div>
    <div style="TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-FAMILY: Times New Roman; FONT-SIZE: 10pt; FONT-WEIGHT: bold">(281)
408-1200</font></div>
    <div style="TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-FAMILY: Times New Roman; FONT-SIZE: 10pt">(Registrant&#8217;s
telephone number, including area code)</font></div>
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    <div style="TEXT-INDENT: 0pt; DISPLAY: block"><br></div>
    <div style="TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt" align="justify"><font style="DISPLAY: inline; FONT-FAMILY: Times New Roman; FONT-SIZE: 10pt">Check the
appropriate box below if the Form 8-K filing is intended to simultaneously
satisfy the filing obligation of the registrant under any of the following
provisions:</font></div>
    <div style="TEXT-INDENT: 0pt; DISPLAY: block"><br></div>
    <div style="TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt" align="justify"><font style="DISPLAY: inline; FONT-FAMILY: Times New Roman; FONT-SIZE: 10pt"><font style="DISPLAY: inline;" face="Wingdings">o</font>&#160;&#160;&#160;Written
communications pursuant to Rule 425 under the Securities Act (17 CFR
230.425)</font></div>
    <div style="TEXT-INDENT: 0pt; DISPLAY: block"><br></div>
    <div style="TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt" align="justify"><font style="DISPLAY: inline; FONT-FAMILY: Times New Roman; FONT-SIZE: 10pt"><font style="DISPLAY: inline; FONT-SIZE: 10pt" face="Wingdings">x</font><font style="DISPLAY: inline; FONT-SIZE: 10pt">&#160;</font>&#160;&#160;&#160;Soliciting
material pursuant to Rule 14a-12 under the Exchange Act (17 CFR
240.14a-12)</font></div>
    <div style="TEXT-INDENT: 0pt; DISPLAY: block"><br></div>
    <div style="TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt" align="justify"><font style="DISPLAY: inline; FONT-FAMILY: Times New Roman; FONT-SIZE: 10pt"><font style="DISPLAY: inline;" face="Wingdings">o</font>&#160;&#160;&#160;Pre-commencement
communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR
240.14d-2(b))</font></div>
    <div style="TEXT-INDENT: 0pt; DISPLAY: block"><br></div>
    <div style="TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt" align="justify"><font style="DISPLAY: inline; FONT-FAMILY: Times New Roman; FONT-SIZE: 10pt"><font style="DISPLAY: inline;" face="Wingdings">o</font>&#160;&#160;&#160;Pre-commencement
communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR
240.13e-4(c))</font></div>
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    <div style="TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt; FONT-WEIGHT: bold"><font style="DISPLAY: inline; FONT-WEIGHT: bold">Item 8.01 Other
Information.</font></font></div>
    <div style="TEXT-INDENT: 0pt; DISPLAY: block">&#160;</div>
    <div style="TEXT-INDENT: 36pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt"><font style="DISPLAY: inline; FONT-WEIGHT: normal">On December 21, 2009, Eagle Rock
Energy Partners, L.P. (the &#8220;Partnership&#8221;) entered into a Purchase and Sale
Agreement by and among the Partnership&#8217;s wholly-owned subsidiaries Eagle Rock
Pipeline GP, LLC and EROC Production LLC and BSAP II GP L.L.C. (&#8220;Black Stone
Minerals&#8221;), a subsidiary of Black Stone Minerals Company, L.P., pursuant to
which the Partnership will sell all of its fee mineral and royalty interests
business, as well as its equity investment in Ivory Working Interests, L.P. (the
&#8220;Minerals Business&#8221;) to Black Stone Minerals for $174.5 million in cash, subject
to customary purchase price adjustments (the &#8220;Minerals Business
sale&#8221;).&#160;&#160;Unaudited pro forma condensed consolidated financial
information giving effect to the pending&#160;Minerals Business sale is attached
hereto as Exhibit 99.1 and is incorporated herein by
reference.</font></font></div>
    <div style="TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt" align="justify">&#160;</div>
    <div style="TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt" align="justify">&#160;</div>
    <div style="TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt" align="justify"><font style="DISPLAY: inline; FONT-FAMILY: Times New Roman; FONT-SIZE: 10pt; FONT-WEIGHT: bold">Important
Information Regarding Proposed Restructuring Transactions will be filed with the
Securities and Exchange Commission (&#8220;SEC&#8221;)</font></div>
    <div style="TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt" align="justify">&#160;</div>
    <div style="TEXT-ALIGN: left; TEXT-INDENT: 36pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt"><font style="DISPLAY: inline; FONT-FAMILY: Times New Roman; FONT-SIZE: 10pt">In
connection with the proposed transactions described in the Partnershsip&#8217;s
Current Repot on Form 8-K filed with the SEC on January 12, 2010, the
Partnership has filed a preliminary proxy statement and will file other
documents with the SEC.<font style="DISPLAY: inline; FONT-WEIGHT: bold">&#160;&#160;INVESTORS AND SECURITY
HOLDERS ARE ADVISED TO READ THE DEFINITIVE PROXY STATEMENT WHEN IT BECOMES
AVAILABLE BECAUSE IT WILL CONTAIN IMPORTANT INFORMATION ABOUT THE
PARTNERSHIP</font>. Investors and security holders may obtain copies of the
preliminary proxy statement, the definitive proxy statement and other documents
that the Partnership files with the SEC (when they are available) free of charge
at the SEC&#8217;s web site at http://www.sec.gov. The preliminary proxy statement,
the definitive proxy statement and other relevant documents may also be obtained
(when available) free of charge on the Partnership&#8217;s web site at
http://www.eaglerockenergy.com or by directing a request to Eagle Rock Energy
Partners, L.P., P.O. Box 2968, Houston, Texas 77252-2968, Attention: Investor
Relations.</font></div>
    <div style="TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt" align="justify">&#160;</div>
    <div style="TEXT-ALIGN: left; TEXT-INDENT: 36pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt"><font style="DISPLAY: inline; FONT-FAMILY: Times New Roman; FONT-SIZE: 10pt">The
Partnership and its directors, executive officers and other members of its
management and employees may be deemed participants in the solicitation of
proxies from the unitholders of the Partnership in connection with the proposed
transactions. Information regarding the special interests of persons who may be
deemed to be such participants in the proposed transactions will be included in
the proxy statement when it becomes available. Additional information regarding
the directors and executive officers of the Partnership is also included in the
Partnership&#8217;s Annual Report on Form 10-K for the year ended December 31, 2009,
and subsequent statements of changes in beneficial ownership on file with the
SEC. These documents are available free of charge at the SEC&#8217;s web site at
http://www.sec.gov and from Investor Relations at Eagle Rock Energy Partners,
L.P. as described above.</font></div>
    <div style="TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt" align="justify">&#160;</div>
    <div style="TEXT-ALIGN: left; TEXT-INDENT: 36pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt"><font style="DISPLAY: inline; FONT-FAMILY: Times New Roman; FONT-SIZE: 10pt">The
financial data included in this Current Report on Form 8-K regarding the
unaudited pro forma condensed consolidated financial information are estimates
prepared by the Partnership and constitute forward-looking statements. These
statements involve risks and uncertainties, including, but not limited to,
actions by regulatory authorities, market conditions, the Partnership&#8217;s
financial results and performance, satisfaction of closing conditions, actions
by third parties and other factors detailed in risk factors and elsewhere in the
Partnership&#8217;s Annual Report on Form 10-K and other filings with the SEC. Should
one or more of these risks or uncertainties materialize (or the consequences of
such a development worsen), or should underlying assumptions prove incorrect,
actual outcomes may vary materially from those forecasted or expected. The
Partnership disclaims any intention or obligation to update publicly or revise
such statements, whether as a result of new information, future events or
otherwise.</font></div>
    <div style="TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt" align="justify">&#160;</div>
    <div style="TEXT-INDENT: 0pt; DISPLAY: block"><br></div>
    <div style="TEXT-INDENT: 0pt; DISPLAY: block"><br></div>
    <div style="TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-FAMILY: Times New Roman; FONT-SIZE: 10pt; FONT-WEIGHT: bold"><font style="DISPLAY: inline; FONT-SIZE: 10pt">Item 9.01 Financial Statements and
Exhibits.</font></font></div>
    <div style="TEXT-INDENT: 0pt; DISPLAY: block"><br></div>
    <div style="TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt" align="justify">&#160;</div>
    <div style="TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-FAMILY: Times New Roman; FONT-SIZE: 10pt">(b)(1)
Pro Forma Financial Information</font></div>
    <div style="TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt" align="justify">&#160;</div>
    <div style="TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt" align="justify"><font style="DISPLAY: inline; FONT-FAMILY: Times New Roman; FONT-SIZE: 10pt"><font id="TAB2" style="LETTER-SPACING: 9pt">&#160;&#160;&#160;</font>&#160;Unaudited pro
forma condensed consolidated financial information, including a unaudited pro
forma condensed consolidated balance sheet as of December 31, 2009 and the
unaudited pro forma condensed consolidated statements of operations for the
years ended December 31, 2009, 2008 and <font style="DISPLAY: inline">2007,</font> are attached hereto as Exhibit <font style="DISPLAY: inline">99.1</font> and are incorporated herein by
reference.</font></div>
    <div style="TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt" align="justify">&#160;</div>
    <div style="TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt" align="justify"><br></div>
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              <div style="TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt" align="justify"><font style="DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt"><font style="DISPLAY: inline">99.1</font></font></div>
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              <div style="TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt" align="justify"><font style="DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt"><font style="DISPLAY: inline">Unaudited pro forma condensed consolidated
      financial information</font></font></div>
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    <div style="TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-FAMILY: Times New Roman; FONT-SIZE: 10pt; FONT-WEIGHT: bold">SIGNATURE</font></div>
    <div style="TEXT-INDENT: 0pt; DISPLAY: block"><br></div>
    <div style="TEXT-INDENT: 36pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-FAMILY: Times New Roman; FONT-SIZE: 10pt">Pursuant
to the requirements of the Securities Exchange Act of 1934, the registrant has
duly caused this report to be signed on its behalf by the undersigned thereunto
duly authorized.</font></div>
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            <td align="left" valign="top" width="39%" style="PADDING-BOTTOM: 2px">
              <div style="TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt">Date:
      March 8, 2010</font></div>
            </td>
            <td align="left" valign="top" width="3%" style="PADDING-BOTTOM: 2px">
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      Jeffrey P. Wood</font></div>
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            <td align="left" valign="top" width="3%">
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            </td>
            <td align="left" valign="top" width="3%">
              <div style="TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt">&#160;</font></div>
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            <td align="left" valign="top" width="1%">
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      Vice President and Chief Financial
Officer</font></div>
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    <div style="TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt" align="justify"><font style="DISPLAY: inline; FONT-FAMILY: Times New Roman; FONT-SIZE: 10pt">&#160;</font><br>&#160;</div>
    <div style="TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-FAMILY: Times New Roman; FONT-SIZE: 10pt">&#160;</font><br>&#160;</div>
    <div style="TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-FAMILY: Times New Roman; FONT-SIZE: 10pt">&#160;</font><br>&#160;</div><br>
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</font></div>
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        <div style="TEXT-ALIGN: center; WIDTH: 100%"><font style="DISPLAY: inline; FONT-FAMILY: Times New Roman; FONT-SIZE: 8pt">&#160;
</font></div>
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Index</font></font></div>
    <div style="TEXT-INDENT: 0pt; DISPLAY: block"><br></div>
    <div style="TEXT-INDENT: 0pt; DISPLAY: block"><br></div>
    <div>
      <table cellpadding="0" cellspacing="0" width="100%" style="FONT-FAMILY: times new roman; FONT-SIZE: 10pt; FONT-SIZE: 10pt; FONT-FAMILY: times new roman">
<tr>
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              <div style="TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt" align="justify"><font style="DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt; FONT-WEIGHT: bold"><font style="DISPLAY: inline">Exhibit No.</font></font></div>
            </td>
            <td valign="top" width="57%" style="BORDER-BOTTOM: black 2px solid">
              <div style="TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt" align="justify"><font style="DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt; FONT-WEIGHT: bold"><font style="DISPLAY: inline">Description</font></font></div>
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<tr>
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            </td>
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              <div style="TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt" align="justify"><font style="DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt"><font style="DISPLAY: inline">Unaudited pro forma condensed consolidated
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form8-k.htm
UNITED
STATES
SECURITIES
AND EXCHANGE COMMISSION
Washington,
D.C.  20549
______________________________
FORM
8-K
_________________________
CURRENT
REPORT
Pursuant
to Section 13 or 15(d) of the Securities Exchange Act of 1934
Date of
Report (Date of earliest event reported):
March 9, 2010
EAGLE ROCK ENERGY PARTNERS,
L.P.
(Exact
name of Registrant as specified in its charter)
Delaware
001-33016
68-0629883
(State
      or other jurisdiction of incorporation or organization)
Commission
      File Number
(I.R.S.
      Employer Identification No.)
1415
Louisiana Street, Suite 2700
Houston,
Texas  77060
(Address
of principal executive offices, including zip code)
(281)
408-1200
(Registrant's
telephone number, including area code)
Check the
appropriate box below if the Form 8-K filing is intended to simultaneously
satisfy the filing obligation of the registrant under any of the following
provisions:
o
Written
communications pursuant to Rule 425 under the Securities Act (17 CFR
230.425)
x
Soliciting
material pursuant to Rule 14a-12 under the Exchange Act (17 CFR
240.14a-12)
o
Pre-commencement
communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR
240.14d-2(b))
o
Pre-commencement
communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR
240.13e-4(c))
Item 8.01 Other
Information.
On December 21, 2009, Eagle Rock
Energy Partners, L.P. (the "Partnership") entered into a Purchase and Sale
Agreement by and among the Partnership's wholly-owned subsidiaries Eagle Rock
Pipeline GP, LLC and EROC Production LLC and BSAP II GP L.L.C. ("Black Stone
Minerals"), a subsidiary of Black Stone Minerals Company, L.P., pursuant to
which the Partnership will sell all of its fee mineral and royalty interests
business, as well as its equity investment in Ivory Working Interests, L.P. (the
"Minerals Business") to Black Stone Minerals for $174.5 million in cash, subject
to customary purchase price adjustments (the "Minerals Business
sale").  Unaudited pro forma condensed consolidated financial
information giving effect to the pending Minerals Business sale is attached
hereto as Exhibit 99.1 and is incorporated herein by
reference.
Important
Information Regarding Proposed Restructuring Transactions will be filed with the
Securities and Exchange Commission ("SEC")
In
connection with the proposed transactions described in the Partnershsip's
Current Repot on Form 8-K filed with the SEC on January 12, 2010, the
Partnership has filed a preliminary proxy statement and will file other
documents with the SEC.
INVESTORS AND SECURITY
HOLDERS ARE ADVISED TO READ THE DEFINITIVE PROXY STATEMENT WHEN IT BECOMES
AVAILABLE BECAUSE IT WILL CONTAIN IMPORTANT INFORMATION ABOUT THE
PARTNERSHIP
. Investors and security holders may obtain copies of the
preliminary proxy statement, the definitive proxy statement and other documents
that the Partnership files with the SEC (when they are available) free of charge
at the SEC's web site at http://www.sec.gov. The preliminary proxy statement,
the definitive proxy statement and other relevant documents may also be obtained
(when available) free of charge on the Partnership's web site at
http://www.eaglerockenergy.com or by directing a request to Eagle Rock Energy
Partners, L.P., P.O. Box 2968, Houston, Texas 77252-2968, Attention: Investor
Relations.
The
Partnership and its directors, executive officers and other members of its
management and employees may be deemed participants in the solicitation of
proxies from the unitholders of the Partnership in connection with the proposed
transactions. Information regarding the special interests of persons who may be
deemed to be such participants in the proposed transactions will be included in
the proxy statement when it becomes available. Additional information regarding
the directors and executive officers of the Partnership is also included in the
Partnership's Annual Report on Form 10-K for the year ended December 31, 2009,
and subsequent statements of changes in beneficial ownership on file with the
SEC. These documents are available free of charge at the SEC's web site at
http://www.sec.gov and from Investor Relations at Eagle Rock Energy Partners,
L.P. as described above.
The
financial data included in this Current Report on Form 8-K regarding the
unaudited pro forma condensed consolidated financial information are estimates
prepared by the Partnership and constitute forward-looking statements. These
statements involve risks and uncertainties, including, but not limited to,
actions by regulatory authorities, market conditions, the Partnership's
financial results and performance, satisfaction of closing conditions, actions
by third parties and other factors detailed in risk factors and elsewhere in the
Partnership's Annual Report on Form 10-K and other filings with the SEC. Should
one or more of these risks or uncertainties materialize (or the consequences of
such a development worsen), or should underlying assumptions prove incorrect,
actual outcomes may vary materially from those forecasted or expected. The
Partnership disclaims any intention or obligation to update publicly or revise
such statements, whether as a result of new information, future events or
otherwise.
Item 9.01 Financial Statements and
Exhibits.
(b)(1)
Pro Forma Financial Information
Unaudited pro
forma condensed consolidated financial information, including a unaudited pro
forma condensed consolidated balance sheet as of December 31, 2009 and the
unaudited pro forma condensed consolidated statements of operations for the
years ended December 31, 2009, 2008 and
2007,
are attached hereto as Exhibit
99.1
and are incorporated herein by
reference.
(d)  Exhibits
Exhibit No.
Description
99.1
Unaudited pro forma condensed consolidated
      financial information
SIGNATURE
Pursuant
to the requirements of the Securities Exchange Act of 1934, the registrant has
duly caused this report to be signed on its behalf by the undersigned thereunto
duly authorized.
EAGLE
      ROCK ENERGY PARTNERS, L.P.
By:
Eagle
      Rock Energy GP, L.P.,
its
      general partner
By:
Eagle
      Rock Energy G&P, LLC,
its
      general partner
Date:
      March 8, 2010
By:
/s/
      Jeffrey P. Wood
Jeffrey
      P. Wood
Senior
      Vice President and Chief Financial
Officer
Exhibit
Index
Exhibit No.
Description
99.1
Unaudited pro forma condensed consolidated
      financial information