Northern Border Pipeline Company

First Revised Volume No. 1

Effective Date: 03/22/2010, Docket: RP10-385-000, Status: Effective

Second Revised Sheet No. 305 Second Revised Sheet No. 305

Superseding: First Revised Sheet No. 305

GENERAL TERMS AND CONDITIONS

44. AGENCY (Continued)

A third party may administer rights under multiple Delegated

Agreements as the Agent for one or more Customers; provided

however, that such Agent (i) shall separately administer and

account for each Delegated Agreement, including, without

limitation, submitting nominations and calculating any imbalances

and (ii) shall utilize such Delegated Agreements for the

transportation, aggregation or balancing of gas for only those

Customers that have delegated the rights and obligations under

their Delegated Agreements.

45. COMPRESSOR USAGE SURCHARGE

45.1 Purpose and Applicability

This Section 45 establishes the procedures to reflect

changes in the Compressor Usage Surcharge, set forth on the

Statement of Rates, to be applicable to Company's

forward-haul transportation services under Rate

Schedule(s) T-1, T-1B, and IT-1, as may be revised from

time to time.

45.2 Definitions

(a) Usage Costs - the sum of the actual costs incurred by

Company at any of Company's electric compressors

installed along Company's system related to electricity

and use taxes imposed on the consumption of natural gas

quantities at natural gas powered stations along

Company's system.

(b) Estimated Usage Costs - the sum of the Estimated Usage

Costs for the twelve months ending in February of each

year.

the Estimated Usage Costs and the actual Usage Costs for

the twelve months ended in February of each year.

Under-collection of Usage Costs will result in a

positive Adjustment Amount. Over-collection of Usage

Costs will result in a negative Adjustment Amount.