Northern Natural Gas Company

Fifth Revised Volume No. 1

 Contents / Previous / Next / Main Tariff Index

Effective Date: 12/31/9999, Docket: RP07-330-000, Status: Accepted

Third Revised Sheet No. 442A Third Revised Sheet No. 442A : Pending

Superseding: Second Revised Sheet No. 442A

APPENDIX A FOR GAS IN-PLACE OPTION

APPENDIX A

FIRM DEFERRED DELIVERY SERVICE AGREEMENT

FDD RATE SCHEDULE

Contract No.: _____________

Request No.: _____________

Amendment No.: ___________ [if applicable]

Term: __________________________

Shipper:_________________________

Firm Storage Quantity (FSQ): (Dth) Storage Points:

Option: Gas In-Place Option ____________

Account Balance Parameters:

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

Injection Period Withdrawal Period

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

Shipper's account balance may not be Shipper's account balance may not be

greater than * on August 31. less than * on January 31.

Shipper's account balance may not be

greater than * on March 1.

Daily Maximum FDQ:

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

Daily Maximum Daily Maximum Daily Maximum Daily Maximum

Injection Injection Withdrawal Withdrawal Withdrawal Injection

Period FDQ FDQ Period FDQ FDQ

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

40% or less * * 75.0% or more * *

of FSQ +900 per of FSQ

100,000 of GIP

in excess of 0

40.0% or more * * less than 75% * *

but less than +150 per but more than +550 per

80% of FSQ 100,000 of GIP 25% of FSQ 100,000 of

in excess of * GIP in excess

of *

80.0% or more * * 25% or less * *

of FSQ of FSQ +3,670 per

100,000 of GIP

in excess of 0

April * *

May Overrun Overrun

(Interruptible) (Interruptible)

* Shipper's minimum and maximum quantities are determined based on its FSQ as a percent of the

total FDD annual quantity offered.

Page _______ of ________