Algonquin Gas Transmission, LLC

Fifth Revised Volume No. 1

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Effective Date: 12/01/2009, Docket: RP10-146-000, Status: Effective

Ninth Revised Sheet No. 609 Ninth Revised Sheet No. 609

Superseding: Eighth Revised Sheet No. 609

GENERAL TERMS AND CONDITIONS

(continued)

41. REVENUE CREDITS

41.1 Interruptible Transportation and Park and Loan Service

(a) Applicability. The credit available under this Section 41.1 for revenues under

Rate Schedules AIT-1 and PAL shall apply to all Service Agreements under firm

Part 284 transportation service rate schedules, except for Service Agreements

for service on the Brayton Point Lateral, the Manchester Street Lateral, the

Canal Lateral, the Cape Cod Lateral, the Northeast Gateway Lateral, the J-2

Facility, and the Kleen Energy Lateral under Rate Schedule AFT-CL. The credit

available under this Section 41 for revenues under Rate Schedule AIT-2

attributable to service on the Brayton Point Lateral shall apply only to Service

Agreements for service on the Brayton Point Lateral under Rate Schedule AFT-CL.

The credit available under this Section 41 for revenues under Rate Schedule AIT-

2 attributable to service on the Manchester Street Lateral shall apply only to

Service Agreements for service on the Manchester Street Lateral under Rate

Schedule AFT-CL. The credit available under this Section 41 for revenues under

Rate Schedule AIT-2 attributable to service on the Canal Lateral shall apply

only to Service Agreements for service on the Canal Lateral under Rate Schedule

AFT-CL. The credit available under this Section 41 for revenues under Rate

Schedule AIT-2 attributable to service on the Cape Cod Lateral shall apply only

to Service Agreements for service on the Cape Cod Lateral under Rate Schedule

AFT-CL. The credit available under this Section 41 for revenues under Rate

Schedule AIT-2 attributable to service on the Northeast Gateway Lateral shall

apply only to Service Agreements for service on the Northeast Gateway Lateral

under Rate Schedule AFT-CL. The credit available under this Section 41 for

revenues under Rate Schedule AIT-2 attributable to service on the J-2 Facility

shall apply only to Service Agreements for service on the J-2 Facility under

Rate Schedule AFT-CL. The credit available under this Section 41 for revenues

under Rate Schedule AIT-2 attributable to service on the Kleen Energy Lateral

shall apply only to Service Agreements for service on the Kleen Energy Lateral

under Rate Schedule AFT-CL.

(b) Basis of the Credit. Revenues to which the credit under this Section 41.1 shall

apply ("Eligible Revenues") shall be the revenues actually received by Algonquin

under Rate Schedules AIT-1 and PAL or Rate Schedule AIT-2 that are attributable

to commodity charges and authorized overrun charges but not including imbalance

resolution charges, scheduling penalties, unauthorized contract overrun

penalties, GRI, ACA, revenues attributable to Section 8 of Rate Schedule PAL, or

any other such charges or surcharges.

(c) Percentage of Eligible Revenues.

(i) Rate Schedules AIT-1 and PAL. Beginning with the Month following the Month

in which Algonquin's cumulative annual revenues stemming from commodity charges

and authorized overrun charges under Rate Schedules AIT-1 and PAL exceed the

dollar amount allocated to Rate Schedules AIT-1 and PAL in Algonquin's

currently effective rates ("Excess Eligible Revenues"), Algonquin shall credit

to current Month invoices under the applicable rate schedules 90% of the Excess

Eligible Revenues received during the prior Month. For purposes of determining

cumulative annual revenues under Rate Schedules AIT-1 and PAL, the annual

period shall commence on May 1 of each year. In the event that two or more

maximum rates for service under Rate Schedules AIT-1 and PAL are applicable

during the same twelve month