The McGraw-Hill Companies

New York, NY, USA 11 July 2006/PRNewswire-FirstCall/ -- The McGraw-Hill Companies (NYSE: MHP) announced today that its second quarter 2006 results will be released before the start of NYSE trading on 25 July 2006.

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 by webcast. Discussions may include forward-looking information. Additional information presented during the conference call may be made available on the Investor Presentations page of the Corporation's Investor Relations Web site 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 24 July 2006 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 9423832 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 on 25 July 2006 at 8:30 AM (Eastern Time)

Step 1: Select your listening option
A. By telephone: Dial in by 8:20 AM Eastern Time to register for the call. Domestic participants may call (888) 323-5423; international participants may call +1 (415) 228-5016 (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 PG9423832, 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/lm2005/index.php and click on "Check Your System Now."

Replay Options -- Available from 25 July - 01 August 2006

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 01 August 2006. Domestic participants may call (866) 516-0669; international participants may call +1 (203) 369-2033 (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 leading global information services provider meeting worldwide needs in the financial services, education, and business information markets through leading brands such as Standard & Poor's, McGraw-Hill Education, BusinessWeek and J.D. Power and Associates. The corporation has more than 290 offices in 38 countries. Sales in 2005 were USD 6.0 billion. Additional information is available at http://www.mcgraw-hill.com.