April 12 – April 19, 2007 Edition

McGraw-Hill to Report
First Quarter Results
in April 24 Webcast

NEW YORK, NY/4/10/07–The McGraw-Hill Companies (NYSE: MHP) will release its first quarter 2007 financial results at 8:30 a.m. Eastern time Tuesday, April 24, 2007, just before the NYSE trading day begins. Senior management will be available by Webcast to discuss the company’s earnings with investors and other interested parties. Information about accessing the webcast can be found at McGraw-Hill’s Investor Relations site at

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 Website

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.

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 $6.3 billion, up 4.2% over the previous year. Additional information is available at