U S G Pipeline Company

ORIGINAL VOLUME NO. 1

Effective Date: 01/19/2009, Docket: RP09-177-000, Status: Effective

Second Revised Sheet No. 84 Second Revised Sheet No. 84

Superseding: First Revised Sheet No. 84

PRE-ASSIGNMENT AGREEMENT

(Applicable to permanent assignment of firm transportation rights pursuant to

Section 11 of Transporter's General Terms and Conditions)

ARTICLE V - NOTICES

Notice given under this Agreement shall be given in accordance with Section 11

of Transporter's General Terms and Conditions. Written notice shall be

considered as having been given if delivered personally, or if sent by

confirmed facsimile or by mail with all postage and charges pre-paid to either

Replacement Shipper or Transporter at the place designated. Routine

non-operational communications shall be considered as duly delivered when

mailed by ordinary mail. Normal operating instructions shall be posted on

Transporter's Internet website unless otherwise indicated in Transporter's

General Terms and Conditions or the Governing Rate Schedule. Unless changed

by written notice to the other party, the addresses of

the Parties are as follows:

Transporter: Robert B. Cooper

USG Pipeline Company

550 West Adams Street

Dept. # 143-61

Chicago, Illinois 60661-3676

Assignment Bidder: _____________________________________

_____________________________________

ARTICLE VI - ASSIGNMENT

6.1 Either Party may assign or pledge this Agreement and all rights and

obligations hereunder under the provisions of any mortgage, deed of trust,

indenture, or other instrument that it has executed or may execute hereafter

as security for indebtedness; otherwise, Shipper shall not assign this

Agreement or any of its rights and obligations hereunder.

6.2 Any person or entity that shall succeed by purchase, transfer, merger,

or consolidation to the properties, substantially or as an entirety, of either

Party hereto shall be entitled to the rights and shall be subject to the

obligations of its predecessor in interest under this Agreement.