Transcontinental Gas Pipe Line Company, LLC

Fourth Revised Volume No. 1

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Effective Date: 04/01/2010, Docket: RP10-395-000, Status: Effective

Fourth Revised Sheet No. 46 Fourth Revised Sheet No. 46

Superseding: Third Revised Sheet No. 46

FIRM TRANSPORTATION SERVICE RATES

UNDER RATE SCHEDULE FT APPLICABLE TO

CHEROKEE EXPANSION PROJECT (CHEROKEE)

FIRM TRANSPORTATION SERVICE

Incremental Cherokee Annual Firm Transportation

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Maximum Minimum

Daily Daily

Rate Rate

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

($) ($)

Reservation Rate per dt - Zone 4:

Base Rate 0.35402 0.00000 1/

Electric Power Unit Rate 0.00105 0.00105

Electric Power Unit Rate Surcharge 0.02253 0.02253

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

Total Reservation Rate 0.37760 0.02358

Maximum Minimum

Rate Rate

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

($) ($)

Commodity Rate per dt - Zone 4:

Base Rate 0.00018 0.00018

Electric Power Unit Rate 0.00326 0.00326

Electric Power Unit Rate Surcharge 0.03195 0.03195

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

Total Commodity Rate (excluding ACA) 2/ 3/ 0.03539 0.03539

Notes:

1/ The minimum reservation rate applicable to capacity release transactions that are not

permanent releases shall not be less than zero.

2/ Pursuant to Section 27 of the General Terms and Conditions, the Total Commodity Rate shall

be increased to include the ACA unit rate of $0.00190, if applicable.

3/ The Total Commodity Rate applies to upstream or downstream transactions on Buyer's primary

or reverse path.