MarkWest Pioneer, L.L.C.

Original Volume No. 1

Effective Date: 04/01/2009, Docket: RP09-321-001, Status: Effective

First Revised Sheet No. 105 First Revised Sheet No. 105

Superseding: Original Sheet No. 105

GENERAL TERMS AND CONDITIONS

(Continued)

29.2. Termination by Transporter – Upon the occurrence of an Event of Default by

Shipper under an FT or IT Agreement, Transporter may terminate such FT or

IT Agreement upon thirty (30) days prior written notice to the Commission

and the Shipper, consistent with section 154.602 of the Commission’s

regulations. Except as otherwise provided in the FT or IT Agreement, upon

termination by Transporter, Shipper shall pay all amounts owed to

Transporter for service rendered prior to termination.

29.3. Termination by Shipper – Upon the occurrence of an Event of Default by

Transporter under an FT or IT Agreement, Shipper may terminate the agreement

upon thirty (30) days prior written notice to Transporter. Except as

otherwise provided in the FT or IT Agreement, upon termination by Shipper,

Transporter shall resolve any Gas imbalance that may be due Shipper pursuant

to the Tariff.

29.4. Other Remedies – Any termination of an FT or IT Agreement pursuant to the

provisions of this section is without prejudice to the right of either

Transporter or Shipper to collect any amounts then due to it, and to offset

amounts owed to it by the other party from such amounts due to the other

party, and is without prejudice to or waiver of, any remedy to which the

party not in default may be entitled as a result of the defaulting party’s

default, breach, or violation of the terms of the terminated FT or IT

Agreement.

29.5. No waiver by either Transporter or Shipper of any one or more defaults by

the other in the performance of any provisions of the FT or IT Agreement

shall operate or be construed as a waiver of any future default or defaults,

whether of a like or of a different character.

30. STANDARDS OF CONDUCT

Transporter shall post on its Website procedures for implementation of and

compliance with the Commission’s Standards of Conduct regulations. All information

required to be posted pursuant to such regulations, including but not limited to,

organizational charts, information regarding shared employees, shared facilities,

discounts, and notices of waivers and/or exercises of discretion in the application

of tariff provisions shall be provided on Transporter’s Website under Informational

Postings. Such information shall be updated as required by applicable regulation(s)

issued by the Commission.