The FTSE 100 Index is a capitalization-weighted index of the 100 most highly capitalized companies traded on the London Stock Exchange. The equities use an investibility weighting in the index calculation. The index was developed with a base level of 1000 as of January 3, 1984. * Please see UKEDA100 Index andFTPTP100 Index for the official FTSE 100 Index Dividend Yield and P/E Ratio. *