MarkWest Pioneer, L.L.C.

Original Volume No. 1

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

Original Sheet No. 158 Original Sheet No. 158

MARKWEST PIONEER, L.L.C.

FORM OF SERVICE AGREEMENT

RATE SCHEDULE FT-2

THIS AGREEMENT (“Agreement”) is made and entered into as of the ______ day of

_______________, ______, by and between MarkWest Pioneer, L.L.C., referred to as

“Transporter” and ________________________, referred to as “Shipper.” Transporter and

Shipper are collectively referred to as the “Parties.” This Agreement is made pursuant

to Rate Schedule FT-2 of Transporter’s FERC Gas Tariff, Original Volume No. 1 (“Tariff”),

on file with the Federal Energy Regulatory Commission (“Commission”).

WITNESSETH:

WHEREAS, Transporter owns and operates the Arkoma Connector Pipeline System;

WHEREAS, Shipper desires to purchase transportation service from Transporter under Rate

Schedule FT-2; and

NOW, THEREFORE, in consideration of the premises and mutual covenants and agreements

herein contained, Transporter and Shipper agree as follows:

ARTICLE I

SERVICE TO BE RENDERED

Transporter shall perform and Shipper shall receive transportation service in accordance

with the provisions of Rate Schedule FT-2 and the applicable General Terms and Conditions

(“GT&C”) of Transporter’s Tariff, as the same may be amended, superseded, or modified from

time to time in accordance with applicable laws and regulations. The maximum obligation of

Transporter to transport gas hereunder for Shipper, and the designation of the Primary

Receipt Point(s) and Primary Delivery Point(s) at which service will be rendered for

Shipper, are specified on Exhibit A of this Agreement, as the same may be amended from time

to time by agreement between Shipper and Transporter, or as required by the rules and

regulations of the Commission.

ARTICLE II

TERM OF AGREEMENT

Service under this Agreement shall commence as of _________________________ and shall

continue in full force and effect until _________________________. Shipper and Transporter

agree to avail themselves of the Commission’s pre-granted abandonment authority upon

termination of this Agreement, subject to any right of first refusal Shipper may have under

the Commission’s rules and regulations and Transporter’s Tariff.