Euronext N.V.

Earnings Release • Nov 6, 2009

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NYSE Euronext Announces Trading Volumes for October 2009

October Trading Volumes Mostly Lower Versus Record Prior Year Levels; U.S. Options Market Share Increases to 22.8%; Third Consecutive Monthly Increase in European Cash Trading Volumes

November 6, 2009 – NYSE Euronext (NYX) today announced trading volumes for its global cash equities and derivatives exchanges for October 20091 . Trading volumes in October 2009 were mostly lower compared to October 2008 levels, during which crisislevel volatility drove record trading volumes. Trading volumes compared to September 2009 were mixed, with U.S. options and European cash increasing 6.3% and 7.1%, respectively, and European derivatives and U.S. cash decreasing, 11.1% and 3.3%, respectively.

Highlights

• NYSE Euronext European derivatives products average daily volume ("ADV") in October 2009 of 3.9 million contracts decreased 12.9% compared to October 2008, and decreased 11.1% from September 2009. Total interest rate products ADV in October 2009 of 2.0 million contracts decreased 9.5% compared to October 2008 and total equity products ADV of 1.8 million contracts decreased 16.9% compared to October 2008.
• NYSE Euronext U.S. equity options ADV of 3.2 million contracts in October 2009 increased 23.3% compared to October 2008 levels, and increased 6.3% from September 2009. NYSE Euronext's U.S. options exchanges accounted for 22.8% of the total consolidated equity options trading in October 2009, up from 17.6% in October 2008, and up from 21.4% in September 2009.
• NYSE Liffe U.S. futures and futures options ADV in October 2009 of approximately 22,000 contracts increased from approximately 21,000 contracts in September 2009 with the launch of equity index futures trading in September 2009 based on the MSCI U.S., EM and EAFE indexes.
• NYSE Euronext European cash products ADV of 1.6 million transactions in October 2009 decreased 26.1% compared to October 2008, but increased 7.1% from September 2009 and represented the third consecutive monthly increase in trading volumes since July with market share stable at approximately 78%.
• NYSE, NYSE Arca and NYSE Amex ("NYSE Group") U.S. cash products handled ADV of 2.9 billion shares in October 2009 decreased 38.9% compared to

¹ Euronext equities transactions count each buy and sell order as separate transactions, NYSE Group equities transactions count buy and sell orders together as a single transaction. All NYSE Euronext derivatives transactions count buy and sell orders together as a single transaction.

October 2008 and decreased 3.3% compared to September 2009. NYSE Group matched share of all U.S. equity trading volume in October 2009 was 28.1%, up from 28.0% in September 2009, and compared to matched market share of 24.7% for our next largest competitor. NYSE Group's Tape A matched market share in October 2009 was 36.6%, up from 36.1% in September 2009.

• NYSE Euronext is the largest exchange operator in the two fastest growing tapes in the U.S. equity markets. Year-to-date, total Tape A and Tape B consolidated ADV of 7.9 billion shares increased a combined 23.6%, compared to the prior year period, while Tape C consolidated ADV of 2.3 billion shares has declined 0.9% during the same period.

Derivatives Trading

European Derivatives

• NYSE Euronext European derivatives products ADV in October 2009 was 3.9 million futures and options contracts, a decrease of 12.9% from October 2008, and a decrease of 11.1% from the 4.4 million contracts recorded in September 2009. The 3.9 million in futures and options contracts ADV in October 2009 consisted of 3.3 million contracts executed through our full-service LIFFE CONNECT trading platform and 0.6 million, or 15.6%, executed through Bclear, NYSE Liffe's trade administration and clearing service for OTC products. Year-to-date European derivatives products ADV of 4.1 million contracts was 3.3% below prior year levels.
• Total interest rate products ADV of 2.0 million contracts in October 2009 decreased 9.5% and 12.7% from October 2008 and September 2009, respectively. Year-to-date, total interest rate products ADV decreased 12.4% compared to the prior year period.
• Total equity products (including Bclear) ADV of 1.8 million contracts in October 2009 decreased 16.9% compared to October 2008, and decreased 9.7% compared to September 2009. Year-to-date total equity products ADV increased 7.9% from the prior year period driven primarily by a 37.0% increase in volume executed through Bclear.

U.S. Derivatives

• NYSE Group U.S. equity options (NYSE Arca and NYSE Amex) ADV of 3.2 million contracts in October 2009 increased 23.3% compared to October 2008 and increased 6.3% compared to September 2009. The increase in ADV year-overyear and compared to September 2009 was driven in part by increased trading related to the anticipated sale of an equity stake in NYSE Amex Options and NYSE Amex Options pricing changes implemented July 1, 2009.
• Year-to-date, NYSE Group U.S. equity options volume of 2.6 million contracts was 47.5% above the prior year period driven in part by the addition of the former Amex options business.
• Total U.S. consolidated options ADV decreased 4.8% to 13.9 million contracts in October 2009, and was flat compared to September 2009. Year-to-date, U.S. consolidated options ADV of 13.6 million contracts was 0.7% above the prior year period.
• NYSE Euronext's U.S. options exchanges accounted for 22.8% of the total consolidated equity options trading in October 2009, up from 17.6% in October

2008, and up from 21.4% in September 2009. The increase in market share yearover-year and compared to September was driven in part by increased trading related to the anticipated sale of an equity stake in NYSE Amex Options and NYSE Amex Options pricing changes implemented July 1, 2009.

• NYSE Euronext U.S. futures and futures options (NYSE Liffe U.S.) ADV in October 2009 of approximately 22,000 contracts increased from approximately 21,000 contracts in September 2009 with the launch of equity index futures trading in September based on the MSCI U.S., EM and EAFE indexes.

Cash Trading

European Cash

• NYSE Euronext European cash products ADV of 1.6 million transactions in October 2009 decreased 26.1%, compared to October 2008, but increased 7.1% compared to September 2009 and represented the third consecutive monthly increase in ADV since July with market share stable at approximately 78%. Yearto-date, European cash products ADV of 1.4 million transactions was 12.0% below the same period last year.

U.S. Cash

• NYSE Group U.S. cash products handled ADV in October 2009 decreased 38.9% to 2.9 billion shares, compared to October 2008, and decreased 3.3% from September 2009. Year-to-date, NYSE Group handled ADV of 3.5 billion shares was 1.3% below the same period last year.
• NYSE Group matched share of all U.S. equity volume in October 2009 was 28.1%, compared to matched market share of 24.7% for our next largest competitor.
• Consolidated Tape A and Tape B trading volume in October 2009 accounted for approximately 75% of all Consolidated Tape trading in the U.S. market which includes trade reporting facility ("TRF") volumes.

NYSE-listed (Tape A)

• NYSE Group's Tape A matched market share in October 2009 was 36.6%, up from 36.1% in September 2009, and compared to matched market share of 19.5% for our next largest competitor. Tape A matched market share for NYSE was 25.1% in October 2009, above the 24.5% market share reported in October 2008. TRF market share across Tape A was 33.2%, down from 37.6% in August 2009, but up from 25.0% in December 2008.
• Designated Market Maker ("DMM") participation in October 2009 was 9.3%, compared to 9.1% in September 2009. Supplemental Liquidity Provider ("SLP") participation in October 2009 was 10.3%, compared to 9.5% in September 2009. A total of 7 SLPs are now on the platform. DMM and SLP participation pertain only to trading on NYSE.

NYSE Arca and NYSE Amex-listed (Tape B)

• Tape B matched market share of NYSE Group in October 2009 was 22.5%, down from 22.6% in September 2009, compared to matched market share of 27.3% for our nearest competitor. TRF market share across Tape B in October 2009 was 32.6% compared to 21.5% in December 2008.

Nasdaq-listed (Tape C)

• NYSE Group's Tape C matched market share in October 2009 increased to 12.3% from 12.2% in September 2009, compared to matched market share of 34.6% for our nearest competitor. TRF market share across Tape C in October 2009 was 38.9% compared to 29.9% in December 2008.

Exchange Traded Products

• NYSE Group matched exchange-traded products ADV (included in volumes from Tape B and Tape C noted above) of 346 million shares in October 2009 decreased 54.3% compared to October 2008, but increased 9.1% compared to September 2009. Year-to-date, matched exchange-traded products ADV was 11.5% above the prior year period.

Please click here for the Monthly Transaction Activity Data Table.

About NYSE Euronext

NYSE Euronext (NYX) is a leading global operator of financial markets and provider of innovative trading technologies. The company's exchanges in Europe and the United States trade equities, futures, options, fixed-income and exchange-traded products. With more than 8,000 listed issues, NYSE Euronext's equities markets -- the New York Stock Exchange, Euronext, NYSE Arca and NYSE Amex -- represent nearly 40 percent of the world's equities trading, the most liquidity of any global exchange group. NYSE Euronext also operates NYSE Liffe, the leading European derivatives business and the world's second-largest derivatives business by value of trading. The company offers comprehensive commercial technology, connectivity and market data products and services through NYSE Technologies. NYSE Euronext is in the S&P 500 index, and is the only exchange operator in the S&P 100 index and Fortune 500. For more information, please visit: www.nyx.com

Cautionary Note Regarding Forward-Looking Statements

This press release may contain forward-looking statements, including forward-looking statements within the meaning of the Private Securities Litigation Reform Act of 1995. Such forward-looking statements include, but are not limited to, statements concerning NYSE Euronext's plans, objectives, expectations and intentions and other statements that are not historical or current facts. Forward-looking statements are based on NYSE Euronext's current expectations and involve risks and uncertainties that could cause actual results to differ materially from those expressed or implied in such forward-looking statements. Factors that could cause NYSE Euronext's results to differ materially from current expectations include, but are not limited to: NYSE Euronext's ability to implement its strategic initiatives, economic, political and market conditions and fluctuations, government and industry regulation, interest rate risk and U.S. and global competition, and other factors detailed in NYSE Euronext's reference document for 2008 ("document de référence") filed with the French Autorité des Marchés Financiers (Registered on April 28, 2009 under No. R. 09-031), 2008 Annual Report on Form 10-K and other periodic reports filed with the U.S. Securities and Exchange Commission or the French Autorité des Marchés Financiers. In addition, these statements are based on a number of assumptions that are subject to change. Accordingly, actual results may be materially higher or lower than those projected. The inclusion of such projections herein should not be regarded as a representation by NYSE Euronext that the projections will prove to be correct. This press release speaks only as of this date. NYSE Euronext disclaims any duty to update the information herein.