MidContinent Express Pipeline LLC

Original Volume No. 1

Effective Date: 06/01/2010, Docket: RP10-687-001, Status: Effective

Fourth Revised Sheet No. 12 Fourth Revised Sheet No. 12

Superseding: Third Revised Sheet No. 12

CURRENTLY EFFECTIVE REIMBURSEMENT PERCENTAGES

(%)

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Percentage

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REIMBURSEMENT PERCENTAGES FOR FUEL GAS

AND UNACCOUNTED FOR GAS: 1/ 2/

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Zone 1 - Fuel Gas 3/ .813%

Zone 2 - Fuel Gas 4/ .287%

System Haul Unaccounted For Gas 5/ .103%

Booster Compression Incremental Fuel Percentage:

Current Reimbursement .681%

Deferred Reimbursement (.029)%

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Total Booster Compression Incremental Percentage 6/ .652%

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1/ Each fuel path contains an Unaccounted For Gas percentage of .103%.

2/ Fuel Gas charges will not be assessed for any transportation

involving all or any portion of the path between Bennington and the

interconnection with Natural or with a subsidiary of ETP near

Natural's Compressor Station No. 802.

3/ Zone 1 - Fuel Gas - Current .840%

Deferred (.027)%

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Total .813%

4/ Zone 2 - Fuel Gas - Current .290%

Deferred (.003)%

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Total .287%

5/ In addition to the fuel gas percentage, Shippers will be charged .103%

per Dth regardless of the receipt or delivery point, which includes a

current amount of .150% and a deferred amount of (.047)%.

6/ For the Booster Compression installed in Richland Parish, Louisiana.