PetroLogistics Natural Gas Storage LLC

Original Volume No. 1

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

Original Sheet No. 103 Original Sheet No. 103

over the course of such Day (excluding Fuel Reimbursement). As determined by PetroLogistics in its

sole and reasonable judgment, the maximum quantity may be received at rates of flow which deviated

from the constant hourly rates over the course of such Day.

1.28 "Maximum Daily Wheeling Quantity" or "MDTQ" shall mean the maximum quantity of gas, expressed in

Dths, specified in Exhibit B of Shipper's Hub Services Agreement that Shipper may nominate and that

PetroLogistics shall transport from a Point of Receipt to a Point of Delivery located on PetroLogistics'

system each Day at constant hourly rates of flow over the course of such Day (excluding Fuel

Reimbursement). As determined by PetroLogistics in its sole and reasonable judgment, the maximum

quantity may be wheeled at rates of flow which deviate from constant hourly rates over the course of

such Day.

1.29 "Maximum Daily Withdrawal Quantity" or "MDWQ" shall mean the maximum quantity of gas which

Shipper is entitled to withdraw on any Day, excluding Fuel Retention.

1.30 "Maximum Loan Quantity" or "MLQ" shall mean the maximum quantity of gas, expressed in Dth, that

PetroLogistics is obligated to loan to Shipper at PetroLogistics' facilities located in Iberville

Parish, Louisiana, as specified in Exhibit B of Shipper's Hub Services Agreement.

1.31 "Maximum Park Quantity" or "MPQ" shall mean the maximum quantity of gas, expressed in Dth, that

Shipper is permitted to have in storage in PetroLogistics' facilities located in Iberville Parish,

Louisiana, at any given time as specified in Exhibit B of Shipper's Hub Services Agreement.

1.32 "Maximum Storage Quantity" or "MSQ" shall mean the maximum quantity of gas expressed in Dth,

that Shipper is permitted to have in storage in PetroLogistics' facilities located in Iberville Parish,

Louisiana, at any given time as specified in the Shipper's Service Agreement.

1.33 "Minimum Acceptable Credit Rating" shall have the meaning assigned in Section 2.3(b)(1).

1.34 "Month" shall mean a period beginning at 9:00 AM C.T. on the first Day of the calendar month and

ending at 9:00 AM C.T. on the first day of the following month.

1.35 "Monthly Base Gas Interest Rate" shall mean the prime rate of interest (as published in the Wall

Street Journal), plus 2%, divided by 12 ((Prime Rate + 2%)/12).

1.36 "NAESB" shall mean the North American Energy Standards Board.

1.37 "Operational Flow Order" or "OFO" is an order issued to alleviate conditions, inter alia, which

threaten or could threaten the safe operations or system integrity of PetroLogistics' system or to

maintain operations required to provide efficient and reliable firm service. Whenever PetroLogistics

experiences these conditions, any pertinent order should be referred to as an Operational Flow Order.

1.38 "Overrun" shall mean any quantity that is not within Shipper's entitlements as set forth in

Shipper's Firm Service Agreement. Such quantities shall be deemed Interruptible service.

1.39 "Park Balance" shall mean the quantity of gas, expressed in Dth, that Shipper has in

PetroLogistics' storage facilities for Shipper's account, provided that the Park Balance shall never

exceed Shipper's MPQ specified in Exhibit B of Shipper's Hub Services Agreement.

1.40 "Party" shall mean PetroLogistics or Shipper.

1.41 "PetroLogistics" shall mean PetroLogistics Natural Gas Storage LLC.