Texas Genco Holdings, Inc. will host a live webcast of its conference call to present its second quarter 2004 results on Thursday, July 22, 2004 at 9:00 a.m. Central time / 10:00 a.m. Eastern time.

  (Logo:  http://www.newscom.com/cgi-bin/prnh/20030127/DAM020LOGO )

   What:     Texas Genco Second Quarter 2004 Earnings Conference Call
             Webcast

   When:     Thursday, July 22, 2004 at 9:00 a.m. Central time / 10:00 a.m.
             Eastern time

   Where:    www.txgenco.com/Investor.html
             Click the link, "Texas Genco Holdings, Inc. Second Quarter 2004
             Earnings Conference Call" under "Upcoming Investor Events"

   How:      Live over the Internet -- Simply log on to the web at the
             address above

   Contact:  Marianne Paulsen  (713) 207-6500

Texas Genco Holdings, Inc., based in Houston, Texas, is one of the largest wholesale electric power generating companies in the United States with over 14,000 megawatts of generation capacity, of which approximately 2,500 megawatts are currently in mothball status. It sells electric generation capacity, energy and ancillary services in one of the nation's largest power markets, the Electric Reliability Council of Texas (ERCOT). Texas Genco has one of the most diversified generation portfolios in Texas, using natural gas, oil, coal, lignite, and uranium fuels. The company owns and operates 60 generating units at 11 electric power-generating facilities and owns a 30.8 percent interest in a nuclear generating plant. Texas Genco currently is a majority-owned subsidiary of CenterPoint Energy, Inc. For more information, visit our web site at http://www.txgenco.com/ .

The webcast will be archived at http://www.txgenco.com/ , or http://www.prnewswire.com/ for at least one year.

(Minimum Requirements to listen to broadcast: The Windows Media Player software, downloadable free from http://www.microsoft.com/windows/windowsmedia/EN/default.asp and at least a 28.8Kbps connection to the Internet. If you experience problems listening to the broadcast, send an email to webcastsupport@tfprn.com )

Photo: NewsCom: http://www.newscom.com/cgi-bin/prnh/20030127/DAM020LOGO
AP Archive: http://photoarchive.ap.org/
PRN Photo Desk, photodesk@prnewswire.com

SOURCE: Texas Genco Holdings, Inc.