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April 11- April 17, 2011 Edition McGraw-Hill To Post First Quarter Earnings

NEW YORK, NY/AUTHORLINK via PRNewswire/April 11, 2011–The McGraw-Hill Companies (NYSE: MHP) announced today that its first quarter 2011 results will be issued on Tuesday, April 26, 2011 via news release before the start of NYSE trading. Harold McGraw III, Chairman, President and CEO, and Jack Callahan, Executive Vice President and CFO, will host a conference call/webcast at 8:30 AM Eastern on April 26, 2011 to discuss the results. The news release will be available for downloading from http://www.mcgraw-hill.com/. The presentation is open to all interested parties and may include forward-looking information.

The webcast will be available live and in replay through the Corporation’s Investor Relations Web site at http://investor.mcgraw-hill.com/phoenix.zhtml?p=irol-eventDetails&c=96562&eventID=3955085.