The Philadelphia Stock Exchange Lead The Industry In Market Share For Equity Options On Wednesday, December 31, 2003 - "Equity Options Market Share Soared To 29.1 %"

The Philadelphia Stock Exchange announced yesterday that for the third time in December, 2003, it lead the industry in equity options market share on Wednesday, December 31 when 1, 302,480 contracts traded representing a market share of 29.1%

This record day is part of a continuing trend of market share growth for the PHLX, which has increased its market share for five consecutive months.

The Philadelphia Stock Exchange was founded in 1790. The PHLX trades 2,000 stocks, more than 1,100 equity options, 14 sectors index options, currency options and currency futures. For more information about the PHLX and its products, visit www.phlx.com.