Centerpoint Energy Gas Transmission Company

Sixth Revised Volume No. 1

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

Sixteenth Revised Sheet No. 31 Sixteenth Revised Sheet No. 31

Superseding: Fifteenth Revised Sheet No. 31

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

($/Dth)

Adjustments

BASE Sec. MAXIMUM MINIMUM FUEL

RATE SCHEDULE RATE 28.4 RATE RATE USE % LUFG %

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

RSS - REVERSE STORAGE

RESERVATION FEE

10 DAY $2.4602 ----- $2.4602 $0.0000

20 DAY $4.3708 ----- $4.3708 $0.0000

COMMODITY $0.0184 0.0007 $0.0191 $0.0191 1.72% 0.46%

OVERRUN

10 DAY $0.2644 0.0007 $0.2651 $0.0191

20 DAY $0.2369 0.0007 $0.2376 $0.0191

FUEL RATES:

Transporter shall retain Fuel Use and LUFG equal to the product of the sum of the applicable Fuel Use and LUFG

percentages multiplied by the quantity withdrawn by Transporter for delivery to Shipper. The Fuel Use and LUFG

rates stated above are pursuant to Section 27 of the General Terms and Conditions.