Euronext N.V.

Earnings Release • Dec 8, 2009

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NYSE Euronext Announces Trading Volumes for November 2009 European Interest Rate Products ADV Increases 31.2% Versus Prior Year; U.S. Options ADV Increases 50.6%, Market Share Increases to 24.7%

December 8, 2009 – NYSE Euronext (NYX) today announced trading volumes for its global derivatives and cash equities exchanges for November 20091 . Trading volumes in November 2009 were mixed, with European derivatives products trading volumes increasing 16.4% and U.S. options trading volumes increasing 50.6% versus prior year. U.S. and European cash equities trading volumes, however, declined 40.4% and 10.2%, respectively, from prior year levels when increased levels of volatility drove higher cash equities trading volumes.

Highlights

• NYSE Euronext European derivatives products average daily volume ("ADV") in November 2009 of 4.3 million contracts increased 16.4% compared to November 2008, and increased 11.2% from October 2009. Total European interest rate products ADV in November 2009 of 2.3 million contracts increased 31.2% compared to November 2008, and increased 16.4% from October 2009 and are at their highest levels since June 2009. Total equity products ADV of 1.9 million contracts increased 2.9% compared to November 2008, and increased 6.5% from October 2009.
• NYSE Group U.S. equity options (NYSE Arca and NYSE Amex) ADV of 3.0 million contracts in November 2009 increased 50.6% compared to November 2008 levels, but decreased 5.7% from October 2009. NYSE Group's U.S. options exchanges accounted for 24.7% of the total consolidated equity options trading in November 2009, up from 17.0% in November 2008, and up from 22.8% in October 2009. NYSE Group has now achieved market share in line with ISE, trailing only the CBOE which had 26.3% market share in November 2009.
• NYSE Euronext European cash products ADV of 1.3 million transactions in November 2009 decreased 10.2% compared to November 2008, and decreased 16.4% from October 2009.

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.

• NYSE Group (NYSE, NYSE Arca and NYSE Amex) U.S. cash products handled ADV of 2.5 billion shares in November 2009 decreased 40.4% compared to November 2008 and decreased 15.9% compared to October 2009. NYSE Group matched share of all U.S. equity trading volume in November 2009 was 28.0%, in line with October 2009 levels, and compared to matched market share of 24.7% for our next largest competitor. NYSE Group's Tape A matched market share in November 2009 was 36.8%, up from 36.6% in October 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 7.8 billion shares increased a combined 17.9%, compared to the prior year period, while Tape C consolidated ADV of 2.3 billion shares has declined 1.9% during the same period.
• There were a total of 21 trading days in Europe and 20 trading days in the U.S. in November 2009, compared to 20 trading days in Europe and 19 trading days in the U.S. in November 2008.

Derivatives Trading

European Derivatives

• NYSE Euronext European derivatives products ADV in November 2009 was 4.3 million futures and options contracts, an increase of 16.4% from November 2008, and an increase of 11.2% from the 3.9 million contracts recorded in October 2009. The 4.3 million in futures and options contracts ADV in November 2009 consisted of 3.4 million contracts executed through our full‐service LIFFE CONNECT trading platform and 0.9 million, or 20.9%, 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 1.8% below prior year levels.
• Total interest rate products ADV of 2.3 million contracts in November 2009 increased 31.2% and 16.4% from November 2008 and October 2009, respectively. Year‐to‐date, total interest rate products ADV decreased 9.4% compared to the prior year period.
• Total equity products (including Bclear) ADV of 1.9 million contracts in November 2009 increased 2.9% compared to November 2008, and increased 6.5% compared to October 2009. Year‐to‐date total equity products ADV increased 7.4% from the prior year period driven primarily by a 35.1% increase in volume executed through Bclear.

U.S. Derivatives

• NYSE Group U.S. equity options (NYSE Arca and NYSE Amex) ADV of 3.0 million contracts in November 2009 increased 50.6% compared to November 2008, but decreased 5.7% compared to October 2009.

• Year‐to‐date, NYSE Group U.S. equity options volume of 2.6 million contracts was 53.1% above the prior year period driven in part by the addition of the former Amex options business.

• Total U.S. consolidated options ADV increased 3.3% to 12.1 million contracts in November 2009, compared to November 2008 and decreased 12.9% compared to October 2009. Year‐to‐date, U.S. consolidated options ADV of 13.4 million contracts was 0.8% above the prior year period.

• NYSE Group's U.S. options exchanges accounted for 24.7% of the total consolidated equity options trading in November 2009, up from 17.0% in November 2008, and up from 22.8% in October 2009. NYSE Group has now achieved market share in line with ISE, trailing only the CBOE which had 26.3% market share in November 2009.
• NYSE Euronext U.S. futures and futures options (NYSE Liffe U.S.) ADV in November 2009 of approximately 22,000 contracts was in line with October 2009.

Cash Trading

European Cash

• NYSE Euronext European cash products ADV of 1.3 million transactions in November 2009 decreased 10.2%, compared to November 2008, and decreased 16.5% compared to October 2009. Year‐to‐date, European cash products ADV of 1.4 million transactions was 11.9% below the same period last year.

U.S. Cash

• NYSE Group U.S. cash products handled ADV in November 2009 decreased 40.4% to 2.5 billion shares, compared to November 2008, and decreased 15.9% from October 2009. Year‐to‐date, NYSE Group handled ADV of 3.4 billion shares was 5.1% below the same period last year.
• NYSE Group matched share of all U.S. equity volume in November 2009 was 28.0%.
• Consolidated Tape A and Tape B trading volume in November 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 November 2009 was 36.8%, up from 36.6% in October 2009, and compared to matched market share of 19.7% for our next largest competitor. Tape A matched market share for NYSE was 25.7% in November 2009, above the 25.6% market share reported in November 2008. TRF market share across Tape A in November 2009 was 33.3%, down from 37.6% in August 2009, but up from 25.0% in December 2008.
• Designated Market Maker ("DMM") participation in November 2009 was 8.6%, compared to 9.3% in October 2009. Supplemental Liquidity Provider ("SLP") participation in November 2009 was 11.8%, compared to 10.3% in October 2009. 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 November 2009 was 22.0%, down from 22.5% in October 2009. TRF market share across Tape B in October 2009 was 33.2% compared to 21.5% in December 2008.

Nasdaq‐listed (Tape C)

• NYSE Group's Tape C matched market share in November 2009 increased to 12.6% from 12.3% in October 2009. TRF market share across Tape C in November 2009 was 38.3% 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 311 million shares in November 2009 decreased 53.7% compared to November 2008, and decreased 10.1% compared to October 2009. Year‐to‐date, matched exchange‐traded products ADV was 2.8% 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, NYSE Euronext, NYSE Amex and NYSE Alternext as well as NYSE Arca – 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:http://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.