Northern Natural Gas Company                                                  Original Sheet No. 289A
FERC Gas Tariff
Fifth Revised Volume No. 1

                                GENERAL TERMS AND CONDITIONS


O.  Recall of Released Capacity.

    Subject to the terms of the release, the Releasing Shipper may recall released capacity as
    provided below.  Recalls of capacity release transactions shall be subject to Elapsed Prorata
    Capacity (EPC).  EPC means that portion of the capacity that would have theoretically been
    available for use prior to the effective time of the intraday recall based upon a cumulative
    uniform hourly use of the capacity.  Reputting by the Releasing Shipper shall be as agreed
    upon by the Acquiring Shipper and the Releasing Shipper.  The deadline for notifying Northern
    of a reput is 8:00 a.m. to allow for timely nominations to flow for the next Gas Day.

    Releasing Shippers may, to the extent permitted as a condition of the capacity release, recall
    released capacity at each of the NAESB Nomination grid cycles by providing notice to Northern
    by the following times for each cycle:

    (i)  Timely Recall Notification:

         (a) A Releasing Shipper recalling capacity should provide notice to Northern and the
             first Replacement Shipper of such recall no later than 8:00 a.m. on the day that
             Timely Nominations are due;

         (b) Northern should provide notification to all affected Replacement Shippers of such
             recall no later than 9:00 a.m. on the day that Timely Nominations are due (CCT);

   (ii)  Early Evening Recall Notification:

         (a) A Releasing Shipper recalling capacity should provide notice to Northern and the
             first Replacement Shipper of such recall no later than 3:00 p.m. on the day that
             Evening Nominations are due (CCT);

         (b) Northern should provide notification to all affected Replacement Shippers of such
             recall no later than 4:00 p.m. on the day that Evening Nominations are due (CCT);

   (iii)  Evening Recall Notification:

         (a) A Releasing Shipper recalling capacity should provide notice to Northern and the
             first Replacement Shipper of such recall no later than 5:00 p.m. on the day that
             Evening Nominations are due (CCT);

         (b) Northern should provide notification to all affected Replacement Shippers of such
             recall no later than 6:00 p.m. on the day that Evening Nominations are due (CCT);

    (iv)  Intraday 1 Recall Notification:

         (a) A Releasing Shipper recalling capacity should provide notice to Northern and the
             first Replacement Shipper of such recall no later than 7:00 a.m. on the day that
             Intraday 1 Nominations are due (CCT);

         (b) Northern should provide notification to all affected Replacement Shippers of such
             recall no later than 8:00 a.m. on the day that Intraday 1 Nominations are due (CCT);
             and

     (v)  Intraday 2 Recall Notification:

         (a)  A Releasing Shipper recalling capacity should provide notice to Northern and the
              first Replacement Shipper of such recall no later than 2:30 p.m. on the day that
              Intraday 2 Nominations are due (CCT);

         (b)  Northern should provide notification to all affected Replacement Shippers of such
              recall no later than 3:30 p.m. on the day that Intraday 2 Nominations are due (CCT).


    For recall notification provided to Northern prior to the recall notification deadline
    specified above and received between 7:00 a.m. and 5:00 p.m., Northern should provide
    notification to all affected Replacement Shippers no later than one hour after receipt of such
    recall notification.
Issued by: Mary Kay Miller, V.P. Regulatory and Customer Service
Issued on: April 24, 2003                                                    Effective: July 1, 2003
Filed to comply with order of the Federal Energy Regulatory Commission,
Docket No. RM96-01-024, issued March 12, 2003, 102 FERC 61,273