Eagle Rock Energy Partners Announces Substantial New Acreage Dedication by Anadarko in Western Louisiana

Eagle Rock Energy Partners Announces Substantial New Acreage Dedication by
Anadarko in Western Louisiana

HOUSTON, Oct. 3, 2012 (GLOBE NEWSWIRE) -- Eagle Rock Energy Partners, L.P.
(Nasdaq:EROC) (the "Partnership") announced today that it has entered into an
Amendment (the "Amendment") to its existing Gas Gathering and Processing
Agreement (the "Agreement") with Anadarko E&P Company LP ("Anadarko") to
support Anadarko's drilling program in western Louisiana.

As part of the Amendment, Anadarko will dedicate to the Partnership more than
800,000 additional acres located in Allen, Beauregard, Evangeline, Rapides and
Vernon Parishes, Louisiana under a long-term dedication. This is in addition
to the 1.1 million acres already subject to the Agreement. The Amendment
applies a new fee structure to all new wells spud on or after April 1, 2012 by
Anadarko on any of the dedicated lands (inclusive of both the lands already
dedicated under the Agreement and the additional lands dedicated under the
Amendment). Wells spud prior to April 1, 2012 remain governed by the legacy
fee structure set forth in the Agreement. The natural gas from these wells is
currently gathered and delivered into the Partnership's Brookeland gathering
system and plant for processing and treating.

About the Partnership

The Partnership is based in the United States and is a domestically-focused,
growth-oriented limited partnership engaged in the business of (i) gathering,
compressing, treating, processing, transporting, marketing and trading natural
gas; fractionating, transporting and marketing NGLs; and crude oil logistics;
and (ii) developing and producing interests in oil and natural gas property
interests.

CONTACT: Jeff Wood, 281-408-1203
         Senior Vice President and Chief Financial Officer
        
         Adam Altsuler, 281-408-1350
         Director, Corporate Finance and Investor Relations

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