Natural Gas Pipeline Company Of America

Seventh Revised Volume No. 1

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Effective Date: 12/01/2009, Docket: RP10-181-000, Status: Effective

Original Sheet No. 35C.06 Original Sheet No. 35C.06

STATEMENT OF NEGOTIATED RATE TRANSACTIONS

PURSUANT TO SECTION 49

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Rate Term of Volume Reservation Commodity Primary Receipt Primary Delivery

Shipper Name Schedule Contract (Dth/d) Charge(s) Charge(s) Point(s) / PIN No(s). Point(s) / PIN No(s).

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

Black Hills Utility Holdings, Inc. FTS 12/01/2009 12,000 2/ 2/ 2/ 2/

(formerly Aquila, Inc., d/b/a through

Aquila Networks) 1/ 10/31/2013

Black Hills Utility Holdings, Inc. FTS-G 12/01/2009 1,402 2/ 2/ 2/ 2/

(formerly Aquila, Inc., d/b/a through

Aquila Networks) 1/ 10/31/2013

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1/ The Transportation Rate Schedules FTS and FTS-G Agreements with Shipper do not deviate in any material respect from the applicable form of service agreement

in Natural's FERC Gas Tariff.

2/ This information is set out in the executed Transportation Rate Schedules FTS and FTS-G Agreements with corresponding Negotiated Rate exhibits, which are

currently on file with the FERC.