PetroLogistics Natural Gas Storage LLC

Original Volume No. 1

Effective Date: 06/03/2009, Docket: RP09-577-000, Status: Effective

Original Sheet No. 9 Original Sheet No. 9

RATE STATEMENT IWS – INTERRUPTIBLE WHEELING SERVICE*

Wheeling Charge Market Based/ Negotiable $/Dth/day

Payment is equal to the Wheeling Charge multiplied by the Dth quantity wheeled by Shipper

during a given invoice period or Shipper's Maximum Daily Wheeling Quantity, as specified in

Exhibit B of Shipper's Hub Services Agreement.

Fuel Retention Market Based/ Negotiable $/Dth or in kind

This amount of gas is to be reimbursed by Shipper in kind or in dollars per Dth as determined

pursuant to the General Terms and Conditions of this FERC Gas Tariff or Exhibit B of Shipper's

Hub Services Agreement.

Electric Power Costs for Compression

Actual pro rata cost (without markup) based on Shipper's receipt quantities..

All applicable taxes set forth in either the General Terms and Conditions of this FERC Gas

Tariff or the Service Agreement and all other applicable surcharges, including, but not

limited to, the ACA charges, shall also be paid by Shipper.

* All quantities of gas are measured in dekatherms (Dth).