Crestwood Marcellus Midstream Completes the Acquisition of

Crestwood Marcellus Midstream Completes the Acquisition of Natural
Gas Compression and Dehydration Assets in the Marcellus Shale Region 
HOUSTON, TX -- (Marketwire) -- 01/02/13 --  Crestwood Midstream
Partners LP (NYSE: CMLP) ("Crestwood"), as operator and 35% owner of
Crestwood Marcellus Midstream LLC ("CMM"), announced today that on
December 28, 2012, CMM completed the acquisition of natural gas
compression and dehydration assets from Enerven Compression, LLC
("Enerven") for $95 million. The transaction was funded under CMM's
existing $200 million revolving credit facility and is expected to
contribute approximately $11 million to $12 million of earnings
before interest, taxes and depreciation ("EBITDA") to CMM in 2013. 
The acquisition includes four Enerven compressor stations which are
connected to CMM's low pressure gathering systems in Harrison County,
West Virginia and a five-year minimum term Compression Services
Agreement with Antero Resources Appalachian Corp. ("Antero"), CMM's
largest producer in the Marcellus Shale Region. The Enerven
compressor stations have current capacity of approximately 300
million cubic feet per day (MMcf/d), which is being fully utilized by
Antero's existing Marcellus Shale production. As a part of the
transaction, Enerven will complete station expansions and unit
replacements to support additional Antero production requirements and
provide day-to-day operations during a 90 day transition period. As
an important benefit of the transaction, post-transition, CMM will
retain Enerven's Marcellus operations personnel to support its
growing gathering and compression business in the area.  
Going forward, CMM will provide compression services to Antero under
both the Enerven Compression Services Agreements, which expire in
2018, and the 20-year CMM Antero Gathering and Compression Agreement
(the "CMM Antero Contract"), which commenced in January 2012. It is
expected that when the Enerven Compression Services Agreements
expire, services to Antero from the Enerven assets will continue
under the CMM Antero Contract. Both agreements provide for comparable
fixed service fees with annual escalators and annual volumetric
throughput obligations by Antero. CMM plans to construct at least two
additional compressor s
tations in 2013 for Antero under the CMM
Antero Contract, expanding total CMM gathering capacity by
approximately 100 MMcf/d to 500 MMcf/d. Current spot volumes on the
CMM gathering systems were approximately 390 MMcf/d to 400 MMcf/d at
year-end 2012. Additionally, CMM and Antero are currently discussing
additional compression services required in Antero's Doddridge County
acreage, which is currently being developed.    
"We are pleased to complete this bolt-on acquisition which adds
substantial 2013 EBITDA  and expands the value chain and range of
services we can offer Antero and other producers in the Marcellus
region," stated Robert G. Phillips, Chairman, President and Chief
Executive Officer of Crestwood's general partner. "This is another
example of the high-growth potential of our Marcellus assets now that
CMM has an established, competitive position in this fast-growing
rich natural gas play," concluded Phillips. 
About Crestwood Midstream Partners LP 
Houston, Texas based Crestwood is a growth-oriented, midstream master
limited partnership which owns and operates predominately fee-based
gathering, processing, treating and compression assets servicing
natural gas producers in the Barnett Shale in north Texas, the
Fayetteville Shale in northwest Arkansas, the Granite Wash in the
Texas Panhandle, the Marcellus Shale in northern West Virginia, the
emerging Avalon Shale trend in southeastern New Mexico, and the
Haynesville/Bossier Shale in western Louisiana. For more information
about Crestwood, visit  
Forward-Looking Statements 
The statements in this news release regarding future events,
occurrences, circumstances, activities, performance, outcomes and
results are forward-looking statements. Although these statements
reflect the current views, assumptions and expectations of
Crestwood's management, the matters addressed herein are subject to
numerous risks and uncertainties which could cause actual activities,
performance, outcomes and results to differ materially from those
indicated. Such forward-looking statements include, but are not
limited to, statements about the future financial and operating
results, objectives, expectations and intentions and other statements
that are not historical facts. Factors that could result in such
differences or otherwise materially affect Crestwood's financial
condition, results of operations and cash flows including, without
limitation, changes in general economic conditions; fluctuations in
oil, natural gas and NGL prices; the extent and success of drilling
efforts, as well as the extent and quality of natural gas volumes
produced within proximity of our assets; failure or delays by our
customers in achieving expected production in their natural gas
projects; competitive conditions in our industry and their impact on
our ability to connect natural gas supplies to our gathering and
processing assets or systems; actions or inactions taken or
non-performance by third parties, including suppliers, contractors,
operators, processors, transporters and customers; our ability to
consummate acquisitions, successfully integrate the acquired
businesses, realize any cost savings and other synergies from any
acquisition; changes in the availability and cost of capital;
operating hazards, natural disasters, weather-related delays,
casualty losses and other matters beyond our control; timely receipt
of necessary government approvals and permits, our ability to control
the costs of construction, including costs of materials, labor and
right-of-way and other factors that may impact our ability to
complete projects within budget and on schedule; the effects of
existing and future laws and governmental regulations, including
environmental and climate change requirements; the effects of
existing and future litigation; and risks related to our substantial
indebtedness, as well as other factors disclosed in Crestwood's
filings with the U.S. Securities and Exchange Commission. You should
read our filings with the U.S. Securities and Exchange Commission,
including our Annual Report on Form 10-K for the year ended December
31, 2011, and our most recent Quarterly Reports and Current Reports
for a more extensive list of factors that could affect results. 
Investor Contact:
Mark Stockard
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