McGraw-Hill Companies

New York, New York, USA 10 April 2007/PRNewswire-FirstCall/ -- The McGraw-Hill Companies (NYSE: MHP) announced today that its first quarter 2007 results will be released before the start of NYSE trading on 24 April 2007.

At 8:30 a.m. 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. 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.

Follow these steps to a the 24 April live call:

1. Select your listening option.

A. Telephone: Dial-in by 8:20 a.m. 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. 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.

2. To view slides online during the call (optional):

Go to https://www.mymeetings.com/nc/join. The conference meeting number is PG6816259, 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."

Replays can be accessed 24 April - 01 May 2007, using the following options:

A. Telephone (audio only): A recorded replay will be available approximately two hours after the meeting concludes and will remain available until 11:30 p.m. (Eastern Time) on 01 May 2007. Domestic participants may call (800) 685-1235; international participants may call +1 (203) 369-3419 (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.

About The McGraw-Hill Companies

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 280 offices in 40 countries. Sales in 2006 were USD 6.3 billion. Additional information is available at http://www.mcgraw-hill.com.

Source: The McGraw-Hill Companies