Investor Relations

Corporate Profile
MarkWest Energy Partners, L.P. (NYSE: MWE) is a publicly traded master limited partnership (MLP) formed in January 2002. We are engaged in the gathering, processing and transportation of natural gas; the transportation, fractionation, storage and marketing of NGLs; and the gathering and transportation of crude oil. We have extensive natural gas gathering, processing, and transmission operations in the Southwestern and Gulf Coast regions, and we are the largest natural gas processor in the Appalachian region of the United States. As a leading provider of midstream services in the natural gas industry, our business strategy is to deliver best-of-class service by developing high-quality, strategically located, diversified assets in the liquids-rich areas of the natural gas resource plays in the United States.
Unit Quote
MWE (Common Units)
ExchangeNYSE (US Dollar)
Price$68.32
Change (%) Stock is Down 0.55 (0.80%)
Volume571,596
Data as of 05/24/13 4:04 p.m. ET
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Recent News More >>
DateTitle 
05/08/13MarkWest Energy Partners Reports First Quarter Financial Results, Record Volumes and Increases Common Unit Distribution
Acquired Granite Wash midstream assets from Chesapeake Energy in Texas Panhandle and Western Oklahoma for $245 million and entered into long-term fee-based gathering and processing agreements. Placed into service four additional processing facilities with combined capacity of 645 MMcf/d. The Partnership has 18 major processing and fractionation projects currently under construction, which are expected to be completed by the en... 
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05/08/13MarkWest Energy Partners Announces Acquisition of Granite Wash Assets from Chesapeake Energy in Texas Panhandle and Western Oklahoma
DENVER--(BUSINESS WIRE)--May. 8, 2013-- MarkWest Energy Partners, L.P. (NYSE: MWE) (MarkWest) announced today the execution of definitive agreements to acquire 100% of the ownership interests of certain midstream assets in the Anadarko Basin from a wholly owned subsidiary of Chesapeake Energy Corporation (NYSE: CHK) (Chesapeake), for consideration of $245 million in cash. The transaction closed simultaneously with the execution of the agreements. ... 
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04/30/13MarkWest Energy Partners Announces 2013 Annual Meeting of Common Unitholders and Investor Conference
DENVER--(BUSINESS WIRE)--Apr. 30, 2013-- MarkWest Energy Partners, L.P. (NYSE: MWE) (“MarkWest”) announced today that its 2013 Annual Meeting of Common Unitholders will be held on Wednesday, May 29, 2013, at 9:00 a.m. Eastern Time at The Ritz-Carlton New York, Battery Park located at Two West Street, New York, NY. The record date for determination of unitholders entitled to vote at the meeting was April 3, 2013. Additional information, including ... 
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04/30/13MarkWest Energy Partners to Present at the National Association of Publicly Traded Partnerships 2013 MLP Investor Conference
DENVER--(BUSINESS WIRE)--Apr. 30, 2013-- MarkWest Energy Partners, L.P. (NYSE: MWE) announced today that Frank Semple, Chairman, President and Chief Executive Officer, will present at the National Association of Publicly Traded Partnerships (NAPTP) 2013 Master Limited Partnership Investor Conference at 10:45 a.m. Eastern Time on Wednesday, May 22, 2013, at the Hilton Stamford Hotel in Stamford, Connecticut. Interested parties can listen to... 
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IR Contacts
MarkWest Energy Partners, L.P. Contact:
1515 Arapahoe Street Joshua Hallenbeck, VP Finance and Treasury
Tower 1, Suite 1600Phone: (866) 858-0482
Denver, Colorado 80202E-mail: investorrelations@markwest.com

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