Northern Border Pipeline Company

First Revised Volume No. 1

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Effective Date: 09/16/2009, Docket: RP09-540-000, Status: Effective

Sixth Revised Sheet No. 101A Sixth Revised Sheet No. 101A

Superseding: Fifth Revised Sheet No. 101A

RATE SCHEDULE T-1

FIRM SERVICE

3. RATES (Continued)

3.2 Discounted Rates

Company shall charge the applicable Maximum Commodity Rate

and applicable Maximum Reservation Rates set forth on the

Statement of Rates unless Company, from time to time and at

any time at its discretion on a non-discriminatory basis,

charges any individual Shipper for transportation service

under this Rate Schedule a rate which is lower than the

applicable Maximum Rate(s) hereunder; provided, however,

that the total amount charged may not be less than the

applicable Maximum Commodity Rate set forth on the then

effective Statement of Rates of Company's FERC Gas Tariff,

plus the effective Annual Charge Adjustment and the

Compressor Usage Surcharge.

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 Subsection 3.1 and Section 27

of the General Terms and Conditions for each such

Production Month and billed to Shipper in accordance with

Section 6 of the General Terms and Conditions.