Northern Border Pipeline Company
FERC Gas Tariff
First Revised Volume No. 1

Seventh Revised Sheet No. 181
Superseding
Sixth Revised Sheet No. 181

                              RATE SCHEDULE T-1B
                             FIRM BACKHAUL SERVICE


  3.  RATES (Continued)

       3.3   Negotiated Rates

             Notwithstanding the foregoing provisions of this Section 3, 
             Company and Shipper may mutually agree to Negotiated Rates 
             for service hereunder as provided in Section 38 of the 
             General Terms and Conditions.  The ACA surcharge and the 
             Compressor Usage Surcharge pursuant to Subsection 3.1 will 
             be applied to Shippers paying Negotiated Rates in the same 
             manner as they are applied to Shippers paying Recourse 
             Rates.

       3.4   Shipper's Obligation to Pay

             All Shippers whose Billing Commencement Dates have occurred 
             shall be obligated to pay to Company in respect of each 
             Production Month their respective monthly billing invoices 
             determined in accordance with Section 3 herein and 
             Section 27 of the General Terms and Conditions for each 
             Production Month and billed to Shipper in accordance with 
             Section 6 of the General Terms and Conditions.

  4.  TERMINATION

      A T-1B Service Agreement shall terminate under the terms of the 
      T-1B Service Agreement.

Issued by: Bambi L. Heckerman, Manager, Regulatory Affairs
Issued on: April 23, 2009                     Effective on: September 16, 2009