PetroLogistics Natural Gas Storage LLC

Original Volume No. 1

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

Original Sheet No. 29 Original Sheet No. 29

(a) Interruptible Wheeling Charge. A charge for each Dth wheeled by PetroLogistics or the Shipper's

Maximum Daily Wheeling Quantity, as applicable.

(b) Fuel Reimbursement. The amount of gas for fuel and losses determined in accordance with Section

14 of this FERC Gas Tariff and set forth in Exhibit B of Shipper's Hub Services Agreement.

required by the Commission or any other regulatory body, that are related to service provided under this

Rate Schedule, as set forth in the Hub Services Agreement.

(d) Taxes. Shipper shall reimburse PetroLogistics for all applicable taxes as may be assessed, as

set forth in Exhibit B of the Hub Services Agreement.

(e) Electric Power Costs for Compression. Shipper shall reimburse PetroLogistics for its actual pro

rata cost (without markup) of electric power for compression based on Shipper's receipt quantities.

4. INVOICE

The invoice for interruptible wheeling service shall reflect the applicable charges set forth under

Section 3 of this Rate Schedule at rates and terms set forth in Exhibit B of Shipper's Hub Services

Agreement.

5. TERM

The term for service under this Rate Schedule shall be as set forth in Exhibit B of Shipper's Hub

Services Agreement.

6. AUTHORIZATION, RATES, TERMS AND CHANGES

6.1 The Hub Services Agreement and the respective obligations of the parties hereunder are subject to

all valid and applicable laws, orders, rules and regulations of duly constituted authorities having

jurisdiction, and are conditioned upon the issuance, by the FERC, and any state or local governmental agency

having jurisdiction, of requisite authorization for PetroLogistics to provide the IWS contemplated hereby

and to construct and operate the gas wheeling facilities necessary to provide such wheeling service and

for any connected pipeline to transport natural gas to/from the Point(s) of Receipt/Delivery necessary to

effect the wheeling service provided for herein.

6.2 PetroLogistics shall have the right to propose to the FERC or other governing regulatory body such

changes in its rates and terms of service as it deems necessary, and the Hub Services Agreement shall be

deemed to include any changes which are made effective pursuant to order or regulation or provisions of law,

without prejudice to Shipper's right to protest the same; provided, however, that any negotiated rates

between PetroLogistics and its Shipper(s) shall remain in effect during the term of Exhibit B of the Hub

Services Agreement(s).

7. CURTAILMENT

If, due to any cause whatsoever, PetroLogistics' capability to receive or deliver quantities is impaired

so that PetroLogistics is unable to receive or deliver the quantities provided for in its Exhibit B of the

Hub Services Agreement(s) with Shippers, then wheeling capacity will be allocated according to the priority

of service as set forth in Section 7 of the General Terms and Conditions of this FERC Gas Tariff.