Contact Us
MarkWest Energy Partners, L.P. welcomes inquiries from investors, news media, business associations, and others interested in the operations of the company. To assist us in responding as quickly as possible, please direct your inquiry to the appropriate contact.
General Inquiries/Corporate Headquarters
MarkWest Energy Partners, L.P.
1515 Arapahoe Street
Tower 1, Suite 1600
Denver, CO 80202
Toll Free: (800) 730-8388
Office: (303) 925-9200
Fax: (303) 290-8769
Investor Relations
Please refer to the Investor Relations portion of our website for unitholder and financial information and to order company information packets. If you need additional information, please contact us at (866) 858-0482 or investorrelations@markwest.com.
Media Inquiries
Please direct all media inquiries to Joshua Hallenbeck, Vice President of Finance & Treasurer at (303) 542-0674 or jhallenbeck@markwest.com. For media inquiries about our activities in the Marcellus Shale, please contact Rob McHale, Manager Governmental/Environmental Affairs at (724) 416-0135 or rmchale@markwest.com.
Unitholder Services
Stock Transfer Agent and Registrar
Wells Fargo Shareowner Services
161 North Concord Exchange
South St. Paul, MN 55075
Phone: (800) 468-9716