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. 185 Original Sheet No. 185

MARKWEST PIONEER, L.L.C.

FORM OF BID FOR RELEASED TRANSPORTATION SERVICE

Bidder for Released Rights to Transporter’s Transportation Service (“Bidder”) hereby submits

its Bid to obtain transportation rights specified in the Release Request identified below.

The terms of this Bid are as follows:

1. Complete legal name of Bidder, type of legal entity and state of incorporation:

_____________________________

_____________________________

State of ____________________

2. Transportation contract number of Releasing Shipper and Release Request number to

which the Bid relates: ___________________________

___________________________

3. Quantity of service desired by Bidder: __________________ Dth per day.

4. The rate Bidder proposes to pay for the released transportation rights:

________ per Dth per month (reservation); ______________ per Dth (commodity).

5. Term for which Bidder desires to obtain the released transportation rights:

______________________________________

Bidder understands that Transporter reserves the right to invalidate any Bid within three

(3) days of its posting on Transporter’s Website to the extent it is incomplete or fails to

conform in any manner to the requirements of Transporter’s Tariff.

Bidder, by the signature of its authorized representative, represents and certifies to

Transporter that (1) the individual signing below is authorized to sign this Bid for Bidder;

(2) the information above is true, complete and correct; and (3) Bidder accepts all terms

and conditions of the Release Request.

Submitted this _____ day of _____________, 20__

Company Name of Bidder: _____________________________

By: _____________________________

Title: __________________________