Transcontinental Gas Pipe Line Company, LLC

Fourth Revised Volume No. 1

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

Fifth Revised Sheet No. 45 Fifth Revised Sheet No. 45

Superseding: Fourth Revised Sheet No. 45

FIRM TRANSPORTATION SERVICE RATES

UNDER RATE SCHEDULE FT APPLICABLE TO

SUNBELT EXPANSION PROJECT

FIRM TRANSPORTATION SERVICE

Incremental SunBelt Annual Firm Transportation

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Commodity Rate per dt

Elec.

Power Max. Min.

Base Unit Rate Rate

Receipt & Delivery Zone Rate Rate 1/ 2/ 3/ 1/ 2/ 3/

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

($) ($) ($) ($)

3-3 0.00030 0.00075 0.00105 0.00105

3-3 (WSS-Open Access Wth) 0.00016 0.00000 0.00016 0.00016

3-4, 4-3 0.00198 0.00401 0.00599 0.00599

3-5, 5-3 0.00245 0.00657 0.00902 0.00902

4-4 0.00184 0.00326 0.00510 0.00510

4-5, 5-4 0.00231 0.00582 0.00813 0.00813

5-5 0.00063 0.00256 0.00319 0.00319

Notes:

1/ The Base Rate plus the Electric Power unit rate.

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

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

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

reverse path.