Transcontinental Gas Pipe Line Company, LLC

Fourth Revised Volume No. 1

Effective Date: 07/01/2010, Docket: RP10-776-000, Status: Effective

Original Sheet No. 59 Original Sheet No. 59

FIRM TRANSPORTATION SERVICE RATES

UNDER RATE SCHEDULE FT APPLICABLE TO

85 NORTH EXPANSION PROJECT (85 NORTH)

FIRM TRANSPORTATION SERVICE

Incremental 85 North Annual Firm Transportation

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

Maximum Minimum

Daily Daily

Rate Rate

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

($) ($)

Reservation Rate per dt - Zone 4 - 4:

Base Rate 0.21675 0.00000 1/

Electric Power Unit Rate 0.00105 0.00105

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

Total Reservation Rate 0.21780 0.00105

Commodity Rate per dt: 2/ 3/

Electric

Power

Base Unit Maximum Minimum

Receipt & Delivery Zone Rate Rate Rate 4/ Rate 4/

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

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

4-4 0.00000 0.00326 0.00326 0.00326

Footnotes:

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 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.

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