HOUSTON – December 11, 2009 – CenterPoint Energy Resources Corp. today announced the planned redemption of all of its outstanding 6 percent Convertible Subordinated Debentures due 2012 (Debentures) on January 11, 2010 (Redemption Date). The redemption price will be 100 percent of the principal amount thereof plus accrued interest to the Redemption Date (Redemption Price). The amount of regular interest that will be payable with respect to the Debentures on the Redemption Date is $0.2167 per $50 principal amount of Debentures. On the Redemption Date, the Redemption Price will become due and payable upon each such Debenture and interest will cease to accrue on and after the Redemption Date.

Each $50 principal amount of the Debenture is currently convertible into $14.24 of cash and 1.11 shares of common stock, par value $0.01 per share, of CenterPoint Energy, Inc. The right to convert the Debentures will terminate at the close of business (5 p.m., Eastern Standard Time) on the Redemption Date. Holders who wish to convert their Debentures must comply with the procedures in the Debentures.

Holders of Debentures on December 1, 2009, the regular record date for the December 15, 2009, interest payment on the Debentures, will receive interest in the amount of $0.75 per $50 principal amount of Debentures payable on December 15, 2009. Debentures surrendered for conversion by holders prior to the opening of business (9 a.m., Eastern Standard Time) on December 15, 2009, must be accompanied by a payment of $0.75 per $50 principal amount of Debentures surrendered for conversion, which amount equals the regular interest payment that the holder is to receive on such Debentures. Holders that submit Debentures for conversion after the opening of business (9 a.m., Eastern Standard Time) on December 15, 2009, need not submit any interest payment in connection with the conversion.

Payment of the Redemption Price, or any conversion of a Debenture, will be made only upon presentation and surrender of the Debenture to the Trustee at the following address:

First Class/Registered/Certified
The Bank of New York Mellon
Trust Company, N.A.
Global Corporate Trust
P.O. Box 396
East Syracuse, New York 13057

Express Delivery Only
The Bank of New York Mellon
Trust Company, N.A.
Global Corporate Trust
111 Sanders Creek Parkway
East Syracuse, New York 13057

By Hand Only
The Bank of New York Mellon
Trust Company, N.A.
Global Corporate Trust
Corporate Trust Window
101 Barclay Street 1st Floor East
New York, New York 10286

CenterPoint Energy Resources Corp. is a wholly owned subsidiary of CenterPoint Energy, Inc. CenterPoint Energy, Inc., headquartered in Houston, Texas, is a domestic energy delivery company that includes electric transmission & distribution, natural gas distribution, competitive natural gas sales and services, interstate pipelines, and field services operations. CenterPoint Energy serves more than five million metered customers primarily in Arkansas, Louisiana, Minnesota, Mississippi, Oklahoma, and Texas. Assets total nearly $19 billion. With about 8,800 employees, CenterPoint Energy and its predecessor companies have been in business for more than 135 years. For more information, visit the Web site at www.CenterPointEnergy.com.

Media:
Leticia Lowe
Phone 713.207.7702

Investors:
Marianne Paulsen
Phone 713.207.6500