Dominion Cove Point LNG, LP

Original Volume No. 1

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Effective Date: 04/01/2010, Docket: RP10-408-000, Status: Effective

Fourteenth Revised Sheet No. 12 Fourteenth Revised Sheet No. 12

Superseding: Thirteenth Revised Sheet No. 12

SUMMARY OF INCREMENTAL RATES

($ PER DTH)

Base Base Reservation Commodity Base

Reservation Commodity Electric Electric Overrun Fuel

Rate Rate 1/ Surcharge 2/ Surcharge 2/ Rate 1/ Retention 3/

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

Cove Point East 1.9288 0.0011 0.0765 0.0073 0.0645 0.5%

Cove Point

Expansion 2.9102 4/ 0.0957 5/

1/ The Total Rate includes the Base Rate as shown and an additional charge of $0.0019 for the

Annual Charge Adjustment.

2/ Updated annually in electric tracker.

3/ Updated annually in fuel tracker.

4/ FTS Base Tariff Commodity Rate, as set forth on Sheet No. 7, is applicable to this service.

5/ See Sheet No. 10 FTS Fuel Retainage Percentage.