Centerpoint Energy Gas Transmission Company

Sixth Revised Volume No. 1

Effective Date: 05/01/2010, Docket: RP10-567-000, Status: Effective

Seventh Revised Sheet No. 20 Seventh Revised Sheet No. 20

Superseding: Sixth Revised Sheet No. 20

STATEMENT OF EFFECTIVE RATES AND CHARGES FOR TRANSPORTATION OF GAS EFFECTIVE MAY 1, 2010

($/Dth)

Adjustments

----------------

BASE Sec. Sec. Sec. Sec. MAXIMUM MINIMUM FUEL LUFG

RATE SCHEDULE RATE 5.7 23 23.2 28.4 RATE RATE USE % %

------------- ---- ---- ---- ---- ---- ------- ------- ----- ----

EFT - ENHANCED FIRM TRANSPORTATION

--------------------------------

RESERVATION CHARGE

8 to 11 Hour Election

Reservation Charge $22.2751 (0.0000) (0.0383) 0.0000 0.0000 $22.2368 $0.0000

Commodity 0.0087 (0.0000) (0.0000) 0.0000 0.0007 0.0094 0.0094 1.72% 0.46%

Overrun 0.7410 (0.0000) (0.0013) 0.0000 0.0007 0.7404 0.0094

Reservation Charge Adj 0.7323 (0.0000) (0.0013) 0.0000 0.0000 0.7310 0.0000

12 to 15 Hour Election

Reservation Charge $14.8504 (0.0000) (0.0383) 0.0000 0.0000 $14.8121 $0.0000

Commodity 0.0087 (0.0000) (0.0000) 0.0000 0.0007 0.0094 0.0094 1.72% 0.46%

Overrun 0.4969 (0.0000) (0.0013) 0.0000 0.0007 0.4963 0.0094

Reservation Charge Adj 0.4882 (0.0000) (0.0013) 0.0000 0.0000 0.4869 0.0000

16 and Above Hour Election

Reservation Charge $11.1381 (0.0000) (0.0383) 0.0000 0.0000 $11.0998 $0.0000

Commodity 0.0087 (0.0000) (0.0000) 0.0000 0.0007 0.0094 0.0094 1.72% 0.46%

Overrun 0.3749 (0.0000) (0.0013) 0.0000 0.0007 0.3743 0.0094

Reservation Charge Adj 0.3662 (0.0000) (0.0013) 0.0000 0.0000 0.3649 0.0000

CAPACITY RELEASE VOLUMETRIC RATE:

The EFT maximum volumetric bid rate for capacity release is the maximum applicable Reservation Charge Adjustment

rate for Rate Schedule EFT based on a Shipper's ACE.

FUEL RATES:

Except for transactions qualifying for Alternate Fuel Retentions or as provided for otherwise in this Tariff,

e.g., Section 27.6, General Terms and Conditions, Transporter shall retain Fuel Use and LUFG equal to the

product of the sum of the applicable Fuel Use and LUFG percentages specified above multiplied by the quantity

received by Transporter. The Fuel Use and LUFG rates stated above are pursuant to Section 27 of the General

Terms and Conditions.

Except as provided for otherwise in this Tariff, for transactions qualifying for Alternate Fuel Retentions, the

EPC Tracker (Section 28.4) rate shall not be applicable, and Transporter shall retain the applicable Alternate

Fuel Retentions equal to the product of the sum of the applicable Fuel Use and LUFG percentages specified below

multiplied by the quantity received by Transporter.

ALTERNATE FUEL RETENTIONS:

Fuel Use LUFG

Line CP 0.70% 0.10%

Line J Backhaul 0.28% 0.10%

Sligo Lease 0.33% 0.01%