Centerpoint Energy - Mississippi River

Third Revised Volume No. 1

Effective Date: 05/01/2001, Docket: RP01-292-000, Status: Suspended

Original Sheet No. 6C Original Sheet No. 6C : Suspended

SMALL CUSTOMER TRANSPORTATION SERVICE

CURRENTLY EFFECTIVE TERM-DIFFERENTIATED RATES

CATEGORY 4

Rates Per Dth

Base Sec. Maximum Minimum Fuel Use &

Rate 21 Rate Rate Loss Percentage

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RATE SCHEDULE SCT

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For Transportation Between:

South Field Zone to Market Zone

- Usage Charge $0.4628 $0.0022 $0.4650 $0.0275 4.04%

- Overrun Charge 0.1895 0.0022 0.1917 0.0275 4.04%

North Field Zone to Market Zone

- Usage Charge $0.3692 $0.0022 $0.3714 $0.0221 2.80%

- Overrun Charge 0.1500 0.0022 0.1522 0.0221 2.80%

Market Zone Only

- Usage Charge $0.2074 $0.0022 $0.2096 $0.0092 1.00%

- Overrun Charge 0.0814 0.0022 0.0836 0.0092 1.00%

South Field Zone to North Field Zone

- Usage Charge $0.2554 $0.0022 $0.2576 $0.0205 3.04%

- Overrun Charge 0.1081 0.0022 0.1103 0.0205 3.04%

North Field Zone Only

- Usage Charge $0.1618 $0.0022 $0.1640 $0.0151 1.80%

- Overrun Charge 0.0686 0.0022 0.0708 0.0151 1.80%

South Field Zone Only

- Usage Charge $0.0936 $0.0022 $0.0958 $0.0076 1.24%

- Overrun Charge 0.0395 0.0022 0.0417 0.0076 1.24%

Notes are shown on Sheet No. 11.

ADDITIONAL SURCHARGE:

Pursuant to Section 20 of MRT's General Terms and Conditions, the GRI surcharge may be assessed as follows:

Maximum Minimum

Rate Rate

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SCT Usage $0.0110 $0.0000

SCT Authorized Overrun $0.0070 $0.0000