Northern Natural Gas Company

Fifth Revised Volume No. 1

Effective Date: 03/01/2009, Docket: RP96-272-088, Status: Effective

22 Revised Sheet No. 66B 22 Revised Sheet No. 66B

Superseding: 21 Revised Sheet No. 66B

STATEMENT OF NEGOTIATED RATES 1/

-----------------------------

Rate Negotiated Other Receipt Delivery

Shipper Name Schedule Rate Charges Volume Point(s) Point(s)

----------------------------- -------- ---------- ------- ------ -------------- --------------

Northern States TFX 43/ 4,000 All Market Area Ogden Deferred

Power-Generation Receipt Points Delivery

Contract 117730 Except Demarc Angus C. Anson #1

Mankato Energy Center

Blue Lake Power

Station

Cannon Falls Energy

Center

Black Dog Power Plant

High Bridge Power

Plant

Riverside Power Plant

Zone E/F

NSP-Minnesota-Inver

Hills Power Plant

Northern States TFX 44/ 52,000 All Market Area Ogden Deferred