MarkWest Pioneer, L.L.C.

Original Volume No. 1

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Effective Date: 04/01/2009, Docket: RP09-321-000, Status: Effective

Original Sheet No. 95 Original Sheet No. 95

GENERAL TERMS AND CONDITIONS

(Continued)

23.7. If Transporter receives no bids at the maximum applicable recourse rate and

Transporter refuses to accept a lower bid, Transporter may abandon service

to Shipper, unless Shipper agrees to pay the maximum applicable recourse

rate for a period of one year, or if Transporter and Shipper negotiate the

terms and conditions of an FT Agreement extension.

24. SECONDARY POINT RIGHTS

Subject to the priorities set out in Sections 9 and 10 of the GT&C, Shippers under

any firm rate schedule shall have the right to use all Receipt and Delivery Points

on Transporter’s system on a secondary basis as alternatives to the primary points

specified in the FT Agreement.

25. COMMUNICATION REGARDING SERVICES

25.1. System and Service Information. Whenever possible, information on the

availability, pricing or other terms of the transportation services will be

made available on Transporter’s Website.

25.2. Access to Transporter’s Website. Information about Transporter’s system and

its capacity shall be provided on Transporter’s Website.

a) This Website provides a menu of information available; is

downloadable; is backed up daily, with the most recent entries

displayed ahead of older entries; is periodically purged of

information on completed transactions, with purged information

archived on the Website for three years; contains links that

separate critical system-wide notices from non-critical notices; and

contains a search function.

b) A Shipper may gain use of Transporter’s Website by: (1) Acquiring

compatible PC capability and receiving a user identification number

for accessing the system; or (2) Executing a Website Access

Agreement with Transporter.