NEW YORK, April 11 /PRNewswire-FirstCall/ -- The McGraw-Hill Companies (NYSE: MHP) announced today that its first quarter 2005 results will be released before the start of NYSE trading on Tuesday, April 26, 2005.

At 8:30 AM Eastern Time, following the earnings announcement, the Corporation's senior management will host a conference call to discuss the results. The call will be open to all interested parties and will also be available through the Internet. Discussions may include forward-looking information. Additional information presented on the conference call may be made available on the Investor Presentations page of the Investor Relations section of the Corporation's Website at http://www.mcgraw-hill.com/investor_relations.

After the conference call, a recorded replay will be available within approximately two hours and will remain available by telephone and the Internet for seven days. The prepared remarks and slides will also be available for downloading from the Investor Relations Website's Investor Presentations archive several hours later.

RSVP Requested: Telephone participants are asked to RSVP by April 25, 2005 either by phone or the Web. To RSVP via the Web, go to https://www.mymeetings.com. In the "Events" box click on "Web RSVP." Enter the conference ID 5956017 and the passcode MCGRAW HILL (case sensitive). To RSVP by phone, domestic participants may call (800) 753-0663; international participants may call +1 (402) 998-1879 (long distance charges will apply). Internet participants do not need to RSVP.

     Access Instructions for Live Call with Senior Management
     April 26, 2005 at 8:30 AM (Eastern Time)

    Step 1: Select your listening option
    A. By Telephone: Please dial-in by 8:15 AM (Eastern Time) to register for
       the call. Domestic participants may call (800) 857-6258; international
       participants may call +1 (517) 623-4156 (long distance charges will
       apply).  The passcode is McGraw-Hill and the conference leader is
       Harold McGraw III.
    B. By Internet: Go to http://www.mcgraw-hill.com/investor_relations and
       click on the Earnings Announcement link under Investor Presentation
       Webcasts. At the Event Details screen, select the Webcast link and
       register through the guest book. You will need Windows Media Player.

    Step 2 (optional): View slides online during the call

Go to https://www.mymeetings.com/nc/join. The Net Conference meeting number is PG5956017, the passcode is MCGRAW HILL (case sensitive), and the event type is "Conference." Click on the "Proceed" button. You will need Windows Media Player. For technical assistance during the call, press * 0.

NOTE: Please perform a system check to ensure your computer is properly configured to participate in a Net Conference. Go to http://www.mymeetings.com/netconferencing/mslm/index.php and click on "Check Your System Now."

    Replay Options Available from April 26 - May 3, 2005

    A. By Telephone-Audio Only: A recorded replay will be available
       approximately two hours after the meeting concludes and will remain
       available until 11:30 PM (Eastern Time) on Tuesday, May 3, 2005.
       Domestic participants may call (888) 567-0449; international
       participants may call +1 (402) 998-1803 (long distance charges will
       apply). No passcode is required.
    B. By Internet-Audio and Slides: Go to
       http://www.mcgraw-hill.com/investor_relations and click on the Earnings
       Announcement link under Investor Presentation Webcasts. At the Event
       Details screen, select the Webcast Replay link. You will need Windows
       Media Player.

Founded in 1888, The McGraw-Hill Companies is a global information services provider meeting worldwide needs in the financial services, education and business information markets through leading brands such as Standard & Poor's, BusinessWeek and McGraw-Hill Education. The Corporation has more than 280 offices in 37 countries. Sales in 2004 were $5.3 billion. Additional information is available at http://www.mcgraw-hill.com.

SOURCE  The McGraw-Hill Companies
    -0-                             04/11/2005
    /CONTACT:  Contacts for The McGraw-Hill Companies
               Investor Relations:
               Donald S. Rubin
               Senior Vice President, Investor Relations
               +1-212-512-4321 (office)
               donald_rubin@mcgraw-hill.com

               For questions regarding call access:
               Celeste M. Hughes
               Manager, Communications and Shareholder Relations
               +1-212-512-2192 (office)
               celeste_hughes@mcgraw-hill.com

               News Media:
               Tom DiPiazza
               Senior Director, Corporate Communications
               +1-212-512-4145 (office)
               +1-917-328-7582 (mobile)
               tom_dipiazza@mcgraw-hill.com /
    /Web site:  http://www.mcgraw-hill.comhttp://www.mcgraw-hill.com/investor_relationshttp://www.mymeetings.com/netconferencing/mslm/index.phphttps://www.mymeetings.com/nc/joinhttps://www.mymeetings.com /
    (MHP)

CO:  McGraw-Hill Companies
ST:  New York
IN:  PUB
SU:  CCA

MC
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6869 04/11/200515:30 EDThttp://www.prnewswire.com