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Proc-Type: 2001,MIC-CLEAR
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<SEC-DOCUMENT>0001140361-08-001220.txt : 20080111
<SEC-HEADER>0001140361-08-001220.hdr.sgml : 20080111
<ACCEPTANCE-DATETIME>20080111162849
ACCESSION NUMBER:		0001140361-08-001220
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20080109
FILED AS OF DATE:		20080111
DATE AS OF CHANGE:		20080111

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			EAGLE ROCK ENERGY PARTNERS L P
		CENTRAL INDEX KEY:			0001364541
		STANDARD INDUSTRIAL CLASSIFICATION:	CRUDE PETROLEUM & NATURAL GAS [1311]
		IRS NUMBER:				680629883
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		16701 GREENSPOINT PARK DRIVE
		STREET 2:		SUITE 200
		CITY:			HOUSTON
		STATE:			TX
		ZIP:			77060
		BUSINESS PHONE:		281-408-1200

	MAIL ADDRESS:	
		STREET 1:		16701 GREENSPOINT PARK DRIVE
		STREET 2:		SUITE 200
		CITY:			HOUSTON
		STATE:			TX
		ZIP:			77060

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	Eagle Rock Energy Partners, L.P.
		DATE OF NAME CHANGE:	20060531

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			LEHMAN BROTHERS HOLDINGS INC
		CENTRAL INDEX KEY:			0000806085
		STANDARD INDUSTRIAL CLASSIFICATION:	SECURITY BROKERS, DEALERS & FLOTATION COMPANIES [6211]
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1130

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-33016
		FILM NUMBER:		08526555

	BUSINESS ADDRESS:	
		STREET 1:		LEHMAN BROTHERS
		STREET 2:		745 SEVENTH AVENUE
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10019
		BUSINESS PHONE:		2125267000

	MAIL ADDRESS:	
		STREET 1:		LEHMAN BROTHERS
		STREET 2:		745 SEVENTH AVENUE
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10019

	FORMER NAME:	
		FORMER CONFORMED NAME:	SHEARSON LEHMAN HUTTON HOLDINGS INC
		DATE OF NAME CHANGE:	19901017
</SEC-HEADER>
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<SEQUENCE>1
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                    <value>17.85</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>7548298</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>See Footnote</value>
                    <footnoteId id="F16"/>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Units</value>
            </securityTitle>
            <transactionDate>
                <value>2008-01-09</value>
            </transactionDate>
            <deemedExecutionDate></deemedExecutionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>S</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>300</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>17.8575</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>7547998</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>See Footnote</value>
                    <footnoteId id="F17"/>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Units</value>
            </securityTitle>
            <transactionDate>
                <value>2008-01-09</value>
            </transactionDate>
            <deemedExecutionDate></deemedExecutionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>S</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>2000</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>17.86</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>7545998</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>See Footnote</value>
                    <footnoteId id="F18"/>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Units</value>
            </securityTitle>
            <transactionDate>
                <value>2008-01-09</value>
            </transactionDate>
            <deemedExecutionDate></deemedExecutionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>S</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>200</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>17.8625</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>7545798</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>See Footnote</value>
                    <footnoteId id="F19"/>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Units</value>
            </securityTitle>
            <transactionDate>
                <value>2008-01-09</value>
            </transactionDate>
            <deemedExecutionDate></deemedExecutionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>S</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>1400</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>17.87</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>7544398</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>See Footnote</value>
                    <footnoteId id="F20"/>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Units</value>
            </securityTitle>
            <transactionDate>
                <value>2008-01-09</value>
            </transactionDate>
            <deemedExecutionDate></deemedExecutionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>S</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>1000</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>17.8775</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>7543398</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>See Footnote</value>
                    <footnoteId id="F21"/>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Units</value>
            </securityTitle>
            <transactionDate>
                <value>2008-01-09</value>
            </transactionDate>
            <deemedExecutionDate></deemedExecutionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>S</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>1500</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>17.88</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>7541898</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>See Footnote</value>
                    <footnoteId id="F22"/>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Units</value>
            </securityTitle>
            <transactionDate>
                <value>2008-01-09</value>
            </transactionDate>
            <deemedExecutionDate></deemedExecutionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>S</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>100</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>17.885</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>7541798</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>See Footnote</value>
                    <footnoteId id="F23"/>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Units</value>
            </securityTitle>
            <transactionDate>
                <value>2008-01-09</value>
            </transactionDate>
            <deemedExecutionDate></deemedExecutionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>S</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>200</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>17.8875</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>7541598</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>See Footnote</value>
                    <footnoteId id="F24"/>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Units</value>
            </securityTitle>
            <transactionDate>
                <value>2008-01-09</value>
            </transactionDate>
            <deemedExecutionDate></deemedExecutionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>S</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>2400</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>17.89</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>7539198</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>See Footnote</value>
                    <footnoteId id="F25"/>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Units</value>
            </securityTitle>
            <transactionDate>
                <value>2008-01-09</value>
            </transactionDate>
            <deemedExecutionDate></deemedExecutionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>S</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>711</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>17.9</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>7538487</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>See Footnote</value>
                    <footnoteId id="F26"/>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Units</value>
            </securityTitle>
            <transactionDate>
                <value>2008-01-09</value>
            </transactionDate>
            <deemedExecutionDate></deemedExecutionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>S</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>400</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>17.9025</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>7538087</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>See Footnote</value>
                    <footnoteId id="F27"/>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Units</value>
            </securityTitle>
            <transactionDate>
                <value>2008-01-09</value>
            </transactionDate>
            <deemedExecutionDate></deemedExecutionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>S</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>600</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>17.91</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>7537487</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>See Footnote</value>
                    <footnoteId id="F28"/>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Units</value>
            </securityTitle>
            <transactionDate>
                <value>2008-01-09</value>
            </transactionDate>
            <deemedExecutionDate></deemedExecutionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>S</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>900</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>17.92</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>7536587</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>See Footnote</value>
                    <footnoteId id="F29"/>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Units</value>
            </securityTitle>
            <transactionDate>
                <value>2008-01-09</value>
            </transactionDate>
            <deemedExecutionDate></deemedExecutionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>S</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>600</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>17.93</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>7535987</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>See Footnote</value>
                    <footnoteId id="F30"/>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <footnotes>
        <footnote id="F1">By direct and indirect, wholly-owned subsidiaries of the Reporting Person: 2,592,846 common units held by Lehman Brothers Inc.; 3,590,859 common units held by Lehman Brothers MLP Opportunity Fund LP; and 1,381,193 common units held by Lehman Brothers MLP Partners, LP</footnote>
        <footnote id="F2">By direct and indirect, wholly-owned subsidiaries of the Reporting Person: 2,589,836 common units held by Lehman Brothers Inc.; 3,590,859 common units held by Lehman Brothers MLP Opportunity Fund LP; and 1,381,193 common units held by Lehman Brothers MLP Partners, LP</footnote>
        <footnote id="F3">By direct and indirect, wholly-owned subsidiaries of the Reporting Person: 2,589,736 common units held by Lehman Brothers Inc.; 3,590,859 common units held by Lehman Brothers MLP Opportunity Fund LP; and 1,381,193 common units held by Lehman Brothers MLP Partners, LP</footnote>
        <footnote id="F4">By direct and indirect, wholly-owned subsidiaries of the Reporting Person: 2,588,939 common units held by Lehman Brothers Inc.; 3,590,859 common units held by Lehman Brothers MLP Opportunity Fund LP; and 1,381,193 common units held by Lehman Brothers MLP Partners, LP</footnote>
        <footnote id="F5">By direct and indirect, wholly-owned subsidiaries of the Reporting Person: 2,588,539 common units held by Lehman Brothers Inc.; 3,590,859 common units held by Lehman Brothers MLP Opportunity Fund LP; and 1,381,193 common units held by Lehman Brothers MLP Partners, LP</footnote>
        <footnote id="F6">By direct and indirect, wholly-owned subsidiaries of the Reporting Person: 2,587,939 common units held by Lehman Brothers Inc.; 3,590,859 common units held by Lehman Brothers MLP Opportunity Fund LP; and 1,381,193 common units held by Lehman Brothers MLP Partners, LP</footnote>
        <footnote id="F7">By direct and indirect, wholly-owned subsidiaries of the Reporting Person: 2,587,539 common units held by Lehman Brothers Inc.; 3,590,859 common units held by Lehman Brothers MLP Opportunity Fund LP; and 1,381,193 common units held by Lehman Brothers MLP Partners, LP</footnote>
        <footnote id="F8">By direct and indirect, wholly-owned subsidiaries of the Reporting Person: 2,587,039 common units held by Lehman Brothers Inc.; 3,590,859 common units held by Lehman Brothers MLP Opportunity Fund LP; and 1,381,193 common units held by Lehman Brothers MLP Partners, LP</footnote>
        <footnote id="F9">By direct and indirect, wholly-owned subsidiaries of the Reporting Person: 2,584,132 common units held by Lehman Brothers Inc.; 3,590,859 common units held by Lehman Brothers MLP Opportunity Fund LP; and 1,381,193 common units held by Lehman Brothers MLP Partners, LP</footnote>
        <footnote id="F10">By direct and indirect, wholly-owned subsidiaries of the Reporting Person: 2,583,532 common units held by Lehman Brothers Inc.; 3,590,859 common units held by Lehman Brothers MLP Opportunity Fund LP; and 1,381,193 common units held by Lehman Brothers MLP Partners, LP</footnote>
        <footnote id="F11">By direct and indirect, wholly-owned subsidiaries of the Reporting Person: 2,582,532 common units held by Lehman Brothers Inc.; 3,590,859 common units held by Lehman Brothers MLP Opportunity Fund LP; and 1,381,193 common units held by Lehman Brothers MLP Partners, LP</footnote>
        <footnote id="F12">By direct and indirect, wholly-owned subsidiaries of the Reporting Person: 2,581,139 common units held by Lehman Brothers Inc.; 3,590,859 common units held by Lehman Brothers MLP Opportunity Fund LP; and 1,381,193 common units held by Lehman Brothers MLP Partners, LP</footnote>
        <footnote id="F13">By direct and indirect, wholly-owned subsidiaries of the Reporting Person: 2,581,039 common units held by Lehman Brothers Inc.; 3,590,859 common units held by Lehman Brothers MLP Opportunity Fund LP; and 1,381,193 common units held by Lehman Brothers MLP Partners, LP</footnote>
        <footnote id="F14">By direct and indirect, wholly-owned subsidiaries of the Reporting Person: 2,580,739 common units held by Lehman Brothers Inc.; 3,590,859 common units held by Lehman Brothers MLP Opportunity Fund LP; and 1,381,193 common units held by Lehman Brothers MLP Partners, LP</footnote>
        <footnote id="F15">By direct and indirect, wholly-owned subsidiaries of the Reporting Person: 2,580,439 common units held by Lehman Brothers Inc.; 3,590,859 common units held by Lehman Brothers MLP Opportunity Fund LP; and 1,381,193 common units held by Lehman Brothers MLP Partners, LP</footnote>
        <footnote id="F16">By direct and indirect, wholly-owned subsidiaries of the Reporting Person: 2,576,246 common units held by Lehman Brothers Inc.; 3,590,859 common units held by Lehman Brothers MLP Opportunity Fund LP; and 1,381,193 common units held by Lehman Brothers MLP Partners, LP</footnote>
        <footnote id="F17">By direct and indirect, wholly-owned subsidiaries of the Reporting Person: 2,575,946 common units held by Lehman Brothers Inc.; 3,590,859 common units held by Lehman Brothers MLP Opportunity Fund LP; and 1,381,193 common units held by Lehman Brothers MLP Partners, LP</footnote>
        <footnote id="F18">By direct and indirect, wholly-owned subsidiaries of the Reporting Person: 2,573,946 common units held by Lehman Brothers Inc.; 3,590,859 common units held by Lehman Brothers MLP Opportunity Fund LP; and 1,381,193 common units held by Lehman Brothers MLP Partners, LP</footnote>
        <footnote id="F19">By direct and indirect, wholly-owned subsidiaries of the Reporting Person: 2,573,746 common units held by Lehman Brothers Inc.; 3,590,859 common units held by Lehman Brothers MLP Opportunity Fund LP; and 1,381,193 common units held by Lehman Brothers MLP Partners, LP</footnote>
        <footnote id="F20">By direct and indirect, wholly-owned subsidiaries of the Reporting Person: 2,572,346 common units held by Lehman Brothers Inc.; 3,590,859 common units held by Lehman Brothers MLP Opportunity Fund LP; and 1,381,193 common units held by Lehman Brothers MLP Partners, LP</footnote>
        <footnote id="F21">By direct and indirect, wholly-owned subsidiaries of the Reporting Person: 2,571,346 common units held by Lehman Brothers Inc.; 3,590,859 common units held by Lehman Brothers MLP Opportunity Fund LP; and 1,381,193 common units held by Lehman Brothers MLP Partners, LP</footnote>
        <footnote id="F22">By direct and indirect, wholly-owned subsidiaries of the Reporting Person: 2,569,846 common units held by Lehman Brothers Inc.; 3,590,859 common units held by Lehman Brothers MLP Opportunity Fund LP; and 1,381,193 common units held by Lehman Brothers MLP Partners, LP</footnote>
        <footnote id="F23">By direct and indirect, wholly-owned subsidiaries of the Reporting Person: 2,569,746 common units held by Lehman Brothers Inc.; 3,590,859 common units held by Lehman Brothers MLP Opportunity Fund LP; and 1,381,193 common units held by Lehman Brothers MLP Partners, LP</footnote>
        <footnote id="F24">By direct and indirect, wholly-owned subsidiaries of the Reporting Person: 2,569,546 common units held by Lehman Brothers Inc.; 3,590,859 common units held by Lehman Brothers MLP Opportunity Fund LP; and 1,381,193 common units held by Lehman Brothers MLP Partners, LP</footnote>
        <footnote id="F25">By direct and indirect, wholly-owned subsidiaries of the Reporting Person: 2,569,146 common units held by Lehman Brothers Inc.; 3,590,859 common units held by Lehman Brothers MLP Opportunity Fund LP; and 1,381,193 common units held by Lehman Brothers MLP Partners, LP</footnote>
        <footnote id="F26">By direct and indirect, wholly-owned subsidiaries of the Reporting Person: 2,566,435 common units held by Lehman Brothers Inc.; 3,590,859 common units held by Lehman Brothers MLP Opportunity Fund LP; and 1,381,193 common units held by Lehman Brothers MLP Partners, LP</footnote>
        <footnote id="F27">By direct and indirect, wholly-owned subsidiaries of the Reporting Person: 2,566,035 common units held by Lehman Brothers Inc.; 3,590,859 common units held by Lehman Brothers MLP Opportunity Fund LP; and 1,381,193 common units held by Lehman Brothers MLP Partners, LP</footnote>
        <footnote id="F28">By direct and indirect, wholly-owned subsidiaries of the Reporting Person: 2,565,435 common units held by Lehman Brothers Inc.; 3,590,859 common units held by Lehman Brothers MLP Opportunity Fund LP; and 1,381,193 common units held by Lehman Brothers MLP Partners, LP</footnote>
        <footnote id="F29">By direct and indirect, wholly-owned subsidiaries of the Reporting Person: 2,564,535 common units held by Lehman Brothers Inc.; 3,590,859 common units held by Lehman Brothers MLP Opportunity Fund LP; and 1,381,193 common units held by Lehman Brothers MLP Partners, LP</footnote>
        <footnote id="F30">By direct and indirect, wholly-owned subsidiaries of the Reporting Person: 2,563,935 common units held by Lehman Brothers Inc.; 3,590,859 common units held by Lehman Brothers MLP Opportunity Fund LP; and 1,381,193 common units held by Lehman Brothers MLP Partners, LP</footnote>
    </footnotes>

    <remarks>Because the SEC's electronic filing system does not allow for the disclosure of more than 30 transactions on one Form 4, the Reporting Persons are filing two simultaneous Forms 4 to report their reportable transactions, both of which together shall be deemed a single report filed on this date. This is the first Form 4 of the two filings.


JOINT FILER INFORMATION: Title of Derivative Securities: Common Units Issuer &amp;  Ticker Symbol: Eagle Rock Energy Partners L P (EROC) Designated Filer: Lehman Brothers Holdings Inc., 745 Seventh Avenue New York, NY 10019 Other Joint Filer Information: Lehman Brothers Inc. 745 Seventh Avenue, New York, NY 10019, a Delaware corporation, a direct wholly-owned subsidiary of the Reporting Person. LB I Group Inc., 399 Park Avenue, New York NY 10022, a Delaware corporation, a direct wholly-owned subsidiary of Lehman Brothers Inc. Lehman Brothers MLP Opportunity Associates LLC, 399 Park Avenue, New York, NY 10022, a Delaware limited liability company, a direct wholly-owned subsidiary of the Reporting Person and general partner of Lehman Brothers MLP Opportunity Associates LP. Lehman Brothers MLP Opportunity Associates LP, 399 Park Avenue, New York, NY 10022, a Delaware limited partnership, and general partner of Lehman Brothers MLP Opportunity Fund LP. Lehman Brothers MLP Opportunity Fund LP, 399 Park Avenue, New
 York, NY 10022 a Delaware limited partnership. Lehman Brothers MLP Associates, LP, 399 Park Avenue New York, NY 10022, a Delaware limited partnership, wholly-owned by LB I Group Inc. Lehman Brothers MLP Partners, LP, 399 Park Avenue, New York, NY 10022 a Delaware limited partnership, wholly-owned by Lehman Brothers MLP Associates, LP.</remarks>

    <ownerSignature>
        <signatureName>/s/ Barrett S. DiPaolo</signatureName>
        <signatureDate>2008-01-11</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
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