NYSE Euronext experienced record trading activity on its U.S. and European cash equities exchanges and strong volumes on its European derivatives unit, Liffe, during the month of October 2008. Volumes for October 2008 include trading activity from the equity and options markets of NYSE Alternext US (formerly the American Stock Exchange).

NYSE Euronext's European cash markets executed record average daily volume of 2.1 million transactions[1], an increase of 61.8% compared to the same period last year. European cash trading activity qualifying for Pack Epsilon pricing represented over 35% of total transactions executed in October 2008. During the month, the company’s U.S. cash markets executed record average daily volume of 4.8 billion shares traded, an increase of 78.5% versus October 2007. Tape A market share was 42.8% for October 2008, an increase from September 2008 levels. This represents the second consecutive monthly increase in market share.

NYSE Euronext’s European derivatives unit, Liffe, traded an average of 4.4 million futures and options contracts in October 2008, a 37.1% increase from the previous year. Bclear, Liffe's trade administration and clearing service, processed 664,000 contracts per day in October, a 115.9% increase from the previous year. NYSE Euronext’s U.S. options exchanges executed a combined average daily volume of 2.6 million contracts in October 2008.