Common use of Ethane Clause in Contracts

Ethane. Measurement of commercial ethane and purity ethane into and out of storage shall be made in accordance with the procedures and methods set out in Exhibit “B”. All product gains and losses incurred while commercial ethane and purity ethane are under Lessor’s control shall be for the account of Lessee in proportion to the amount of commercial ethane or purity ethane delivered into storage by Lessee since the last time any such losses were calculated except as noted in Section 17. For the purpose of this subparagraph 8 (a), ethylene and up to 1.5% methane shall be considered ethane. Any methane in excess of 1.5% will not be balanced. Lessor shall return to Lessee a volume of commercial ethane containing a quantity of ethane equal to the quantity of ethane contained in the commercial ethane delivered by Lessee for storage hereunder. If Lessor returns commercial ethane to Lessee containing more or less propane than was contained in the commercial ethane delivered by Lessee for storage hereunder, Lessor and Lessee shall quarterly balance any overages or underages of propane by the party having the overage delivering to the other party a volume of propane equal to the overage, which propane shall meet the specifications set out in Exhibit “A”. Lessor shall submit to Lessee monthly stock reports supported with appropriate receiving and shipping information showing movements of commercial ethane and purity ethane into and out of storage and the amount of commercial ethane and purity ethane remaining in storage. All propane required to be delivered to Lessor shall be delivered at the expense of Lessee to Lessor’s pipeline header facilities at Mont Belvieu, Texas, via one of the pipelines connected to such facilities. All propane required to be delivered to Lessee shall be delivered at the expense of Lessor to its pipeline header facilities at Mont Belvieu, Texas. Propane may be delivered at any other delivery point mutually acceptable to the Storage Lease (Enterprise Products NGL Marketing)

Ethane. Measurement of commercial ethane and purity ethane into and out of storage shall be made in accordance with the procedures and methods set out in Exhibit “B”. All product Product gains and losses incurred while commercial ethane and purity ethane are the Product is under Lessor’s control shall be for the account of Lessee in proportion to the amount of commercial ethane or purity ethane delivered into storage by Lessee since the last time any such losses were calculated Joint Owner except as noted in Section 1712. For the purpose of this subparagraph 8 (a), ethylene and up to 1.5% methane shall be considered ethane. Any methane in excess of 1.5% will not be balanced. Lessor shall return to Lessee Joint Owner a volume of commercial ethane containing a quantity of ethane equal to the quantity of ethane contained in the commercial ethane delivered by Lessee Joint Owner for storage hereunder. If Lessor returns commercial ethane to Lessee Joint Owner containing more or less propane than was contained in the commercial ethane delivered by Lessee Joint Owner for storage hereunder, Lessor and Lessee Joint Owner shall quarterly balance any overages or underages of propane by the party having the overage delivering to the other party a volume of propane equal to the overage, which propane shall meet the specifications set out in Exhibit “A”. Lessor shall submit to Lessee Joint Owner monthly stock reports supported with appropriate receiving and shipping information showing movements of commercial ethane and purity ethane into and out of storage and the amount of commercial ethane and purity ethane remaining in storage. All propane required to be delivered to Lessor shall be delivered at the expense of Lessee Joint Owner to Lessor’s pipeline header facilities at Mont Belvieu, Texas, via one of the pipelines connected to such facilities. All propane required to be delivered to Lessee Joint Owner shall be delivered at the expense of Lessor to its pipeline header facilities at Mont Belvieu, Texas. Propane may be delivered at (Form 1506-Multiple Product) any other delivery point mutually acceptable to the Storage Lease parties. For the purpose of this subparagraph 8 (Enterprise Products NGL Marketing)a) propylene and butane shall be considered propane.