Vector Pipeline L.P.

Original Volume No. 1

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Effective Date: 06/01/2005, Docket: RP05-295-000, Status: Effective

Fourth Revised Sheet No. 123 Fourth Revised Sheet No. 123 : Effective

Superseding: Third Revised Sheet No. 123

10. OPERATIONAL BALANCING AGREEMENTS

For the purposes of minimizing operational conflicts between various Gas

facilities with respect to the delivery of Gas to and from Transporter's

facilities, Transporter shall negotiate and execute OBAs with

appropriate parties that operate Gas facilities interconnecting with

Transporter's system (any such party shall be referred to herein as the

"OBA Party"). Such OBAs shall specify the Gas custody transfer

procedures to be followed by Transporter and the OBA Party for the

confirmation of scheduled quantities to be received by Transporter at

Receipt Point(s) and delivered by Transporter at Delivery Point(s). A

pro forma OBA is attached hereto and incorporated herein.

11. FUEL REQUIREMENT

1. Shipper shall furnish the quantity of Gas required by Transporter

to satisfy the Fuel Requirement. The quantity of Gas retained by

Transporter to meet the Fuel Requirement shall be a percentage of

the total quantity of Gas received from or for the account of

Shipper and shall be calculated by:

(a) Determining the "total forecast quantity" of the Fuel

Requirement needed for the succeeding month by adding the

difference between actual Gas used for fuel, system

operation and losses and the actual Gas retained for system

Gas use and losses for prior months to the forecast

requirement of Gas for fuel, system use and losses for the

succeeding month;

(b) Dividing the "total forecast quantity" of fuel required by

the total forecast quantity of Gas to be transported on the

system during the succeeding month; and

(c) Multiplying the quantity of Gas received for Transportation

during each month from or for the account of each Shipper by

the percentage determined in section 11.1; provided,

however, for service that is rendered entirely by backhaul

or displacement, the Fuel Reimbursement shall not include

compressor fuel. Pursuant to NAESB Standard 1.3.15: When

the Fuel Reimbursement method is fuel in-kind, the results

of the fuel reimbursement calculations for the nomination

process should be rounded to the nearest dekatherm or

gigajoule (Canada).

2. Separate fuel ratios shall apply to each of: (a) backhauls (loss

and unaccounted for only); (b) forward hauls of less than or equal

to 111 miles; (c) forward hauls of more than 111 miles and equal

to or less than 222 miles; and (d) forward hauls of more than 222

miles.