Northern Natural Gas Company

Fifth Revised Volume No. 1

Effective Date: 04/17/2010, Docket: RP10-502-000, Status: Effective

Sixth Revised Sheet No. 54B Sixth Revised Sheet No. 54B

Superseding: Fifth Revised Sheet No. 54B

Fuel/Unaccounted-For Exemptions

D. Deliveries scheduled to the following delivery points from the following receipt

points, which are non-contiguous to Northern's system and do not involve use of

compression on Northern's system, are exempt from Section 3 Mainline Fuel. The

exemption is applicable only to these combinations of receipt and delivery points.

Receipt Delivery

POI POI

Number POINT NAME Number POINT NAME

59265 NBPL/NNG Westbrook 57260 Westbrook TBS #1

59265 NBPL/NNG Westbrook 61608 Slayton TBS #1

57398 NBPL/NNG Ivanhoe 55888 Ivanhoe TBS #1

59264 NBPL/NNG Milbank 57150 Milbank TBS #1

59264 NBPL/NNG Milbank 57764 Ortonville TBS #1

57399 NBPL/NNG Webster 55936 Webster TBS #1

57582 NBPL/NNG Valve #51 Ledyard 57581 Armstrong TBS

57582 NBPL/NNG Valve #51 Ledyard 57580 Ledyard/Swea City TBS

E. Deliveries scheduled to the following delivery point from the following receipt

point, which are non-contiguous to Northern's system and do not involve use of

compression on Northern's system, are exempt from Section 2 Mainline Fuel. The

exemption is applicable only to this combination of receipt and delivery points.

Receipt Delivery

POI POI

Number POINT NAME Number POINT NAME

78886 Jayhawk Lateral - West End 78856 BP Jayhawk Plant

F. Account balance transfers between the following Field Area deferred delivery points,

which are located in Fuel Section 1, shall be charged Mainline Fuel and UAF only

once. The exemption is applicable only to the transfer between the deferred

delivery points listed below.

Deferred Deferred

Delivery Delivery

POI POI

Number POINT NAME Number POINT NAME

62996 MWP/Hockley Deferred Delivery 62998 Pinnacle Lea Deferred Delivery

G. For Beaver incidental compression service, fuel charged shall be the actual fuel

consumed in providing service.