Investable Weight Factor Change For Mediaset SPA In The S&P/MIB Index

Standard & Poor’s will change the IWF (Investable Weight Factor) for Mediaset SPA (Italy, ISIN IT0001063210), a member of the S&P/MIB Index, from 0.658 to 0.606 effective at the close of trading Thursday, May 19 2005. This is following the acquisition of ordinary shares by Banca Intesa, which has increased its holding to over 5 percent of shares outstanding.

Standard & Poor's is a leader in providing highly valued financial data, analytical research and investment and credit opinions to the global capital markets. Among the company's many products are the S&P Global 1200, the first real-time, global equity index, the S&P 500, the premier U.S. portfolio index, and credit ratings on more than 220,000 securities and funds. With 5,000 employees located in 20 countries, Standard & Poor's is an integral part of the world's financial architecture. Additional information is available at www.standardandpoors.com

Founded in 1888, The McGraw-Hill Companies is a global information services provider meeting worldwide needs in the financial services, education and business information markets through leading brands such as Standard & Poor's, BusinessWeek and McGraw-Hill Education. The Corporation has more than 322 offices in 33 countries. Sales in 2003 were $4.8 billion. Additional information is available at www.mcgraw-hill.com