Northern Natural Gas Company                                             Fourth Revised Sheet No. 163
FERC Gas Tariff                                                                           Superseding
Fifth Revised Volume No. 1                                                Third Revised Sheet No. 163









                            Sheet No. 163 is Reserved for Future Use
 



















































Issued by: Mary Kay Miller, V.P. Regulatory & Government Affairs
Issued on: August 24, 2006                                             Effective: September 24, 2006