PetroLogistics Natural Gas Storage LLC

Original Volume No. 1

 Contents / Previous / Next / Main Tariff Index

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

Original Sheet No. 208 Original Sheet No. 208

Exhibit A to Service Agreement No. _________

Under Rate Schedule ISS

Between

PetroLogistics Natural Gas Storage LLC

And

__________________________ (Shipper)

Maximum Interruptible Storage Quantity

______________ Dth

Capacity Charge

$_____________ per Dth /day

Injection Charge

$_____________ per Dth

Withdrawal Charge

$_____________ per Dth

Maximum Daily Withdrawal Quantity (MDWQ)

______________ Dth per Day

Maximum Daily Injection Quantity (MDIQ)

______________ Dth per Day

Fuel Retention

$_____________ Percent

Title Transfer Fee

[Negotiable]

Service Commencement Month ____________, _______

Through

Service Termination Month ______________, _________

PetroLogistics will not insure the replacement cost of Shipper's gas.

Pipeline System Losses 0.25%

After the first year of operations, the pipeline loss allowance, which is a percentage

of actual daily injections for or on behalf of Shipper, shall be adjusted if necessary to

reflect the actual measurement loss characteristics of the system. Other than the loss

allowance, pipeline system measurement losses will be the responsibility of PetroLogistics.

Storage Losses: Any gains or losses in the storage cavern shall be for the account of

Shipper on a pro rata basis based on Shipper's actual injection nominations.

Electric Power Costs for Compression: Actual pro rata cost (without markup) based on

Shipper's receipt quantities.

Taxes:

Shipper shall reimburse Company for all applicable taxes as may be assessed Company for the

receipt, injection, storage, withdrawal and/or delivery of Shipper's Gas. In addition,

Shipper shall reimburse Company for Shipper's pro rata portion, based on the Maximum

Interruptible Storage Quantity of all Rate Schedule ISS Shipper's, of ad valorem taxes based on

Shipper's inventory.