PetroLogistics Natural Gas Storage LLC

Original Volume No. 1

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

Original Sheet No. 7 Original Sheet No. 7

RATE STATEMENT IPS – INTERRUPTIBLE PARKING SERVICE*

Parking Charge Market Based/Negotiable $/Dth/time period

Parking Injection Charge Market Based/Negotiable $/Dth/time period

Parking Withdrawal Charge Market Based/Negotiable $/Dth/time period

Payment is equal to the Parking Charge multiplied by Shipper's Maximum Park Quantity, plus the

Parking Injection Charge multiplied by the quantity injected, plus the Parking Withdrawal Charge

multiplied by the quantity withdrawn, as applicable and specified in Exhibit B of Shipper's Hub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..

Title Transfer Charge Market Based/ Negotiable $/Dth

Payment is equal to the Title Transfer Charge multiplied by the Dth quantity transferred by

Shipper pursuant to Section 17 of the General Terms and Conditions during a given Month.

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).