Columbia Gas Transmission LLC

Third Revised Volume No. 1

Effective Date: 02/08/2010, Docket: RP10-298-000, Status: Effective

First Revised Sheet No. 563 First Revised Sheet No. 563

Superseding: Original Sheet No. 563

OPERATIONAL BALANCING AGREEMENT (Cont'd)

ARTICLE I

CONFIRMATION OF NOMINATIONS

1.1 No later than one business day prior to the first day of each calendar month, each

Party shall provide oral or written notice to the other Party concerning the confirmed nominations received by

each Party from the Shippers for whose account the Parties will deliver or receive gas at the Interconnection

Point(s). If provided orally, the noticing Party shall confirm such notice in writing within three business

days. Notice of subsequent changes by the Shippers in nominated quantities at any time during any given month

shall be provided by the Party receiving such notice to the other Party within one business day of any such

change. If such notice is given orally, the noticing Party shall confirm such notice in writing within three

business days. Any notice of changes to nominations to this Agreement to adjust for operational errors in the

volumes may be given by telephone or facsimile transmission to the phone or facsimile number set forth below in

this Article and shall be confirmed in writing. Any written notice shall be deemed delivered when transmitted

by facsimile or when mailed, by either certified or ordinary mail, postage prepaid, to the post office address

of either of the Parties hereto, as the case may be, as follows:

__________________________________

Attention: _____________________

_____________________

Phone: _____________________

Fax: _____________________

Columbia Gas Transmission, LLC

5151 San Felipe, Suite 2500

Houston, Texas 77056

Attention: _____________________________

Director Commercial Services

Phone: (713) ___________

Fax: (713) ___________

A Party's phone or fax numbers or address set forth herein may be changed from time to time by giving written

notice of such change to the other Party. Such changes shall be effective upon actual receipt of such notice by

the other Party.