Transcontinental Gas Pipe Line Company, LLC

Fourth Revised Volume No. 1

Effective Date: 05/01/2010, Docket: RP10-622-000, Status: Effective

Eighth Revised Sheet No. 27 Eighth Revised Sheet No. 27

Superseding: Seventh Revised Sheet No. 27

RATES AND CHARGES APPLICABLE TO

RATE SCHEDULE SS-2 - STORAGE SERVICE

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Electric Third

Base Power Party Daily

Rate Rate Rate Charge

Section (dt) (dt) (dt) (dt)

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

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

3.2 (a) Demand Charge 0.04900 0.00020 0.25631 0.30551

3.2 (b) Storage Capacity Quantity Charge 0.00000 0.00000 0.00088 0.00088

3.2 (c) Quantity Injected Charge 1/ 0.00446 0.00151 0.01552 0.02149

3.2 (d) Quantity Withdrawal Charge 0.00446 0.00151 0.01541 0.02138

Fuel Retention 2/

8 (a) Injection - National Fuel Rate Schedule SS-1 1.40 %

8 (a) Withdrawal - National Fuel Rate Schedule SS-1 1.42 %

8 (b) Withdrawal - National Fuel Rate Schedule X-54 0.50 %

8 (c) Adjustment to Storage Gas Balances (dt) by customer for the

Period November 2009 through March 2010:

Consolidated Edison Co of NY 471

Keyspan Gas East Corporation 476

New Jersey Natural Gas Company 230

S. Jersey Gas 519

UGI Penn Natural Gas, Inc. 838

UGI Utilities Inc. 235

Notes:

1/ Pursuant to Section 27 of the General Terms and Conditions of this Tariff, the quantity

injection charge will be increased, when applicable, to include the ACA unit rate of

$0.00190.

2/ Such fuel percentages reflect the fuel retained by National Fuel Gas Supply Corp.