Oktex Pipeline Company

Original Volume No. 1

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Effective Date: 10/01/2009, Docket: RP09-944-000, Status: Effective

Seventh Revised Sheet No. 5B Seventh Revised Sheet No. 5B

Superseding: Sixth Revised Sheet No. 5B

RATES

Midstream System

Maximum Minimum

FIRM TRANSPORTATION SERVICE (FTS)

Monthly Demand Charge (Per Dekatherm of Maximum

Daily Contract Demand) $0.9503 $0.0000

Unit Commodity Rate (Per Dekatherm) $0.0000 $0.0000

INTERRUPTIBLE TRANSPORTATION SERVICE (ITS)*

Unit Commodity Rate (Per Dekatherm) $0.0312 $0.0000

ANNUAL CHARGES ADJUSTMENT CLAUSE (ACA CLAUSE)

Rate (Per Dekatherm) $0.0019 $0.0019

FUEL RETENTION PERCENTAGE 0.25% 0.25%

(1-Fuel%/100 X Receipt Quantity = Delivery Quantity)

*OkTex agrees to adopt the interruptible rates, including discount

arrangements, previously negotiated by ONEOK Midstream Pipeline, Inc.