NEW YORK, April 16 /PRNewswire-FirstCall/ -- The McGraw-Hill Companies' (NYSE: MHP) 2008 Annual Shareholders Meeting is scheduled for Wednesday, April 30, 2008 at 11:00 AM Eastern Time (15:00 GMT).

The Annual Meeting will be webcast live at www.mcgraw-hill.com. The meeting will also be accessible by telephone in listen-only mode.

In his address to shareholders, Harold McGraw III, chairman, president and chief executive officer, will review the Corporation's performance and prospects. The remarks will be available for downloading from the Corporation's Investor Relations Website under the Investor Presentations link later that day at http://www.mcgraw-hill.com/investor_relations. The discussion may include forward-looking information.

Shareholders who wish to attend the Annual Meeting of Shareholders are asked to bring their admission ticket or a brokerage account statement, as well as valid picture identification for admission. For safety and security reasons cameras, large bags, briefcases, packages, recording equipment and other electronic devices will not be permitted.

Access Instructions (Listen-only Mode)

April 30, 2008 at 11:00 AM Eastern Time (15:00 GMT)

By Internet: Go to http://investor.mcgraw- hill.com/phoenix.zhtml?c=96562&p=irol-EventDetails&EventId=1797316. (Please copy and paste URL into web browser.)

By Telephone: Please dial-in to the call 10 minutes before the start time. Domestic participants may call toll-free + 1 (888) 316-9407; international participants may call +1 (210) 234-0008 (long-distance charges will apply). The passcode is McGraw-Hill and the conference leader is Harold McGraw III. For technical assistance during the presentation, dial *0 for operator assistance.

Replay Options: Internet and Telephone

By Internet: The archived webcast will be available at http://investor.mcgraw- hill.com/phoenix.zhtml?c=96562&p=irol-EventDetails&EventId=1797316. (Please copy and paste URL into web browser.)

By Telephone: A recorded replay will be available beginning about two hours after the Annual Meeting concludes and will remain available until Friday, May 30, 2008. Domestic participants may call toll-free +1 (888) 568-0091; international participants may call + 1 (402) 530-7778 (long-distance charges will apply).

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 2007 were $6.8 billion. Additional information is available at www.mcgraw-hill.com.

Homepage: http://www.mcgraw-hill.com

News: http://www.mcgraw-hill.com/news/overview.shtml

Investor Relations: http://www.mcgraw-hill.com/investor_relations

Corporate Responsibility: http://www.mcgraw-hill.com/cr/overview.shtml

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Release issued: April 16, 2008

SOURCE The McGraw-Hill Companies

Contact: CONTACTS News Media: Steven H. Weiss Vice President, Corporate Communications (212) 512-2247 (office) (917) 699-9389 (mobile) weissh@mcgraw-hill.com Frank Briamonte Senior Director, Corporate Communications (212) 512-4145 (office) (201) 725-6133 (mobile) frank_briamonte@mcgraw-hill.com Investor Relations: Donald S. Rubin Senior Vice President, Investor Relations (212) 512-4321 (office) donald_rubin@mcgraw-hill.com For questions regarding call access: Celeste M. Hughes Senior Manager, Communications and Shareholder Relations (212) 512-2192 (office) celeste_hughes@mcgraw-hill.com