Investable Weight Factor Change For Terna SpA In The S&P/MIB Index

Standard & Poor’s will change the IWF (Investable Weight Factor) for Terna SPA (Italy, ISIN IT0003242622), a member of the S&P/MIB Index, from 0.5 to 0.639 effective at the close of trading Tuesday, April 05 2005. This is following the sale of ordinary shares by Enel SpA, which has reduced its holding by 13.86 percent of shares outstanding.

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