MarkWest Pioneer, L.L.C.

Original Volume No. 1

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Effective Date: 12/31/9999, Docket: RP09-532-000, Status: Accepted

First Revised Sheet No. 38 First Revised Sheet No. 38

Superseding: Original Sheet No. 38

GENERAL TERMS AND CONDITIONS

(Continued)

1.42. “Releasing Shipper” or “Releasor” means a Shipper who holds or acquires firm capacity

rights and who elects to release all or a part of such capacity.

1.43. “Replacement Shipper” means a Shipper who acquires all or part of the rights to capacity

held by a Releasing Shipper under the terms of an effective FT Agreement, on either a

permanent or temporary basis.

1.44. “Reservation Charge” means the reservation charge component of the rate applicable to

service under Rate Schedule FT-1 as specified in Transporter’s Tariff and the FT-1

Agreement between Shipper and Transporter.

1.45. “Scheduled Quantity” is the quantity of Gas a Shipper nominates for receipt by

Transporter at a Receipt Point and for redelivery by Transporter for Shipper at a

Delivery Point, and that Transporter or Operator schedules for transportation.

1.46. “Shipper” means a Person who executes an FT Agreement or an IT Agreement with

Transporter for transportation service under any Rate Schedule of Transporter’s tariff.

1.47. “System” means Transporter’s pipeline, any compression and related facilities.

1.48. “Tariff” means Transporter’s FERC Gas Tariff, as amended from time to time by

Transporter.

1.49. “Transportation” of Gas means Transporter’s receipt of Gas for Shipper’s account at the

Receipt Point and the delivery, for Shipper’s account, of Gas at the Delivery Point(s).

1.50. “Transporter” means MarkWest Pioneer, L.L.C.

1.51. “Unauthorized Gas” means volumes of Gas received or delivered for Shipper’s account that

exceeds Shipper’s confirmed nomination.

1.52. “Website” means Transporter’s website located at http: www.arkomaconnector.com.

1.53. “Year” means a period of 365 consecutive days, except that any year which contains the

date February 29 shall consist of 366 consecutive days.