Euronext N.V.

Regulatory Filings • May 7, 2010

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NYSE Euronext Announces Trading Volumes for April 2010

Strong Year-Over-Year Growth in Derivatives Trading Volumes; Fixed Income Derivatives Trading Volumes Increase 47%, U.S. Equity Options Increase 62%; Global Cash Trading Volumes and U.S. Market Share Increase From March 2010 Levels

May 7, 2010 – NYSE Euronext (NYX) today announced trading volumes for its global derivatives and cash equities exchanges for April 20101. Derivatives trading volumes in April 2010 recorded strong year-over-year growth, with European derivatives average daily volume ("ADV") increasing 51.5%, driven in part by a 47% increase in fixed income derivatives product ADV and U.S. options ADV increasing 62%. Cash equities ADV was mixed with European cash trading volumes slightly below prior year levels while U.S. cash declined 26.6% versus prior year levels. U.S. and European cash trading volumes, however, were both up over 20% from March 2010 levels.

Highlights

• NYSE Euronext European derivatives products ADV in April 2010 of 6.8 million contracts increased 51.5% compared to April 2009 and increased 46.9% from March 2010 levels. Total European fixed income products ADV in April 2010 of 2.8 million contracts increased 46.5% compared to April 2009 and increased 4.7% from March 2010. Total equity products ADV of 4.0 million contracts in April 2010 increased 56.2% compared to April 2009 and increased 105.0% from March 2010.
• On April 28, 2010, NYSE Liffe set a new total exchange record for derivative contracts traded of 12.4 million contracts in a single day, 7% above the previous record of 11.6 million contracts recorded on December 18, 2008.
• NYSE Euronext U.S. equity options (NYSE Arca and NYSE Amex) ADV of 4.0 million contracts in April 2010 increased 62.3% compared to April 2009 levels and increased 12.8% from March 2010. NYSE Euronext's U.S. options exchanges accounted for 25.3% of the total consolidated equity options trading in April 2010, up from 17.0% in April 2009 and in line with the 25.3% recorded in March 2010.
• NYSE Euronext European cash products ADV of 1.6 million transactions in April 2010 decreased 0.2% compared to April 2009, but increased 22.2% from March 2010.
• NYSE Euronext U.S. cash products (NYSE, NYSE Arca and NYSE Amex) handled ADV of 2.9 billion shares in April 2010 decreased 26.6% compared to April 2009, but increased 21.4% compared to March 2010. NYSE Euronext matched share of all U.S. cash equity trading volume was 26.6% in April 2010, up from 25.6% in March 2010. NYSE

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

Euronext's Tape A matched market share in April 2010 was 34.1% up from 33.6% in March 2010.

• There were a total of 20 trading days in Europe and 21 days in the U.S. in both April 2010 and April 2009.

Derivatives Trading

European Derivatives

• NYSE Euronext European derivatives products ADV in April 2010 was 6.8 million futures and options contracts, an increase of 51.5% from April 2009 and an increase of 46.9% from March 2010. The 6.8 million in futures and options contracts ADV in April 2010 consisted of 3.9 million contracts executed through our full-service LIFFE CONNECT trading platform and 2.9 million contracts, or 42.0%, executed through Bclear, NYSE Liffe's trade administration and clearing service for OTC products. Year-to-date, European derivatives products ADV of 5.3 million contracts was 34.7% above prior year levels. The 5.3 million in futures and options contracts ADV year-to-date consisted of 3.9 million contracts executed through LIFFE CONNECT trading platform and 1.4 million contracts, or 26.8%, executed through Bclear.
• On April 28, 2010, NYSE Liffe set a new total exchange record for derivative contracts traded of 12.4 million contracts in a single day, 7% above the previous record of 11.6 million contracts recorded on December 18, 2008.
• Total fixed income products ADV of 2.8 million contracts in April 2010 increased 46.5% from April 2009 and increased 4.7% from March 2010. Year-to-date, total fixed income products ADV of 2.7 million contracts was 38.8% above prior year levels.
• Total equity products (including Bclear) ADV of 4.0 million contracts in April 2010 increased 56.2% compared to April 2009 and increased 105.0% from March 2010. The 4.0 million contracts in equity products ADV consisted of 3.4 million contracts in individual equity products ADV and 0.6 million contracts in equity index products ADV. The 3.4 million contracts in individual equity products ADV consisted of 2.6 million in futures contracts, which represented a 93.7% increase compared to April 2009 and 0.7 million in options contracts, which represented a 33.9% increase compared to April 2009. The rate per contract for individual equity futures contracts is significantly lower than other products traded on NYSE Liffe. Year-to-date, total equity products ADV of 2.5 million contracts was 31.1% above prior year levels.
• Total commodities products ADV of 57,000 contracts in April 2010 increased 7.4% compared to April 2009 and increased 10.9% from March 2010. Year-to-date, total commodities product ADV of 53,000 contracts was 12.4% above prior year levels.

U.S. Derivatives

• NYSE Euronext U.S. equity options (NYSE Arca and NYSE Amex) ADV of 4.0 million contracts in April 2010 increased 62.3% compared to April 2009 and increased 12.8% compared to March 2010. Year-to-date, U.S. equity options ADV of 3.8 million contracts was 62.7% above prior year levels.
• Total U.S. consolidated equity options ADV increased 9.1% to 15.8 million contracts in April 2010 compared to April 2009 and increased 12.5% compared to March 2010. Yearto-date, U.S. consolidated equity options ADV of 14.4 million contracts was 7.2% above prior year levels.
• NYSE Euronext's U.S. options exchanges accounted for 25.3% of the total consolidated equity options trading in April 2010, up from 17.0% in April 2009 and in-line with the 25.3% in March 2010.

• NYSE Euronext U.S. futures and futures options (NYSE Liffe U.S.) ADV in April 2010 was approximately 19,000 contracts, compared to 18,000 contracts in March 2010. Yearto-date U.S. futures and futures options ADV was 20,000 contracts.

Cash Trading

European Cash

• NYSE Euronext European cash products ADV of 1.6 million transactions in April 2010 decreased 0.2%, compared to April 2009, but increased 22.2% compared to March 2010. Year-to-date, European cash products ADV of 1.4 million transactions was 0.4% below prior year levels.

U.S. Cash

• NYSE Euronext U.S. cash products handled ADV in April 2010 decreased 26.6% to 2.9 billion shares compared to April 2009, but increased 21.4% from March 2010. Year-todate, U.S. cash products handled ADV was 2.6 billion shares, down 34.3% from prior year levels.
• NYSE Euronext's Tape A matched market share in April 2010 was 34.1%, up from 33.6% in March 2010.
• Designated Market Maker participation in April 2010 was 9.5%, compared to 8.5% in March 2010. Supplemental Liquidity Provider participation in April 2010 was 12.0%, compared to 11.4% in March 2010. DMM and SLP participation pertain only to trading on NYSE.

Exchange Traded Products

• NYSE Euronext U.S. matched exchange-traded products ADV (included in volumes for Tape B and Tape C) of 326 million shares in April 2010 decreased 42.8% compared to April 2009, but increased 19.9% compared to March 2010. Year-to-date, NYSE Euronext U.S. matched exchange-traded products ADV of 325 million shares was 45.9% below prior year levels.

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, fixedincome and exchange-traded products. With approximately 8,000 listed issues (excluding European Structured Products), NYSE Euronext's equities markets – the New York Stock Exchange, NYSE Euronext, NYSE Amex, NYSE Alternext and NYSE Arca – represent one-third of the world's equities trading, the most liquidity of any global exchange group. NYSE Euronext also operates NYSE Liffe, one of the leading European derivatives businesses 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 2009 ("document de référence") filed with the French Autorité des Marchés Financiers (Filed on April 22, 2010 under No. D.10-0304), 2009 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.