Euronext N.V.

Regulatory Filings • Aug 7, 2009

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NYSE Euronext Announces Trading Volumes for July 2009

U.S. and European Cash Trading Volumes Decline in July Versus Robust 2008 Levels; U.S. Options up 28.9% and European Derivatives up 4.0%; Year-to-Date U.S. Cash Trading Volumes Remain 11.9% Above Prior Year Period

August 7, 2009 – NYSE Euronext (NYX) today announced trading volumes for its global cash equities and derivatives exchanges for July 20091. Trading volumes in July 2009 were mixed, with year-over-year growth in U.S. options and European derivatives and declines in U.S. and European cash trading volume driven by a seasonally slower July 2009, a decrease in volatility and unseasonally strong volumes in July 2008. Year-to-date U.S. cash volumes remain 11.9% above the prior year period.

Highlights

• NYSE, NYSE Arca and NYSE Amex ("NYSE Group") U.S. cash products handled ADV in July 2009 decreased 24.3% and 12.2% compared to July 2008 and June 2009, respectively, but increased 11.9% year-to-date. U.S. cash products ADV in July 2008 was the 5th highest trading month in 2008. NYSE Group matched share of all U.S. equity trading volume in July 2009 was 28.3%, compared to matched market share of 22.1% for our next largest competitor.
• 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 consolidated ADV and Tape B consolidated ADV increased a combined 44.2%, compared to the prior year period, while Tape C has increased only 1.0% during the same period.
• NYSE Euronext European cash products ADV of 1.2 million transactions in July 2009 decreased 23.9% and 10.3% compared to July 2008 and June 2009, respectively. European cash products ADV in July 2008 was the 4th highest trading month in 2008. Year-to-date transactions of 1.4 million transactions was 9.3% below the same period last year.
• NYSE Euronext European derivatives products ADV in July 2009 was 3.6 million contracts, up 4.0% from July 2008, but down 22.8% from June 2009. The yearover-year increase was driven by a 111.5% increase in Bclear OTC volumes. Total interest rate products ADV was 1.6 million contracts, down 12.6% compared to July 2008 and total equity products ADV of 1.9 million contracts increased 23.6%.
• NYSE Euronext U.S. equity options ADV of 2.4 million contracts in July 2009 increased 28.9% compared to July 2008 levels, but decreased 11.5% from June

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. Prior year period does not include the former Amex equities and options businesses.

1. The increase in ADV year-over-year was driven mostly by the addition of the former Amex options business.

Cash Trading

U.S. Cash

NYSE Group U.S. cash products handled ADV in July 2009 decreased 24.3% to 2.8 billion shares, compared to July 2008 and decreased 12.2% from June 2009. U.S. cash products ADV in July 2008 was the 5th highest trading month in 2008. Year-to-date, NYSE Group handled ADV of 3.7 billion shares was 11.9% above the same period last year. NYSE Group matched share of all U.S. equity volume in July 2009 was 28.3%, compared to 22.1% for our next largest competitor. Consolidated Tape A and Tape B trading volume in July 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)

• Total Tape A consolidated ADV in July 2009 decreased 11.4% to 5.1 billion shares compared to 5.7 billion shares in July 2008 and decreased 3.9% compared to June 2009. Year-to-date, total Tape A consolidated ADV of 6.1 billion shares was 32.6% above the prior year period.
• Tape A matched ADV of NYSE Group in July 2009 decreased 25.2% to 1.9 billion shares compared to July 2008 and 11.8% compared to June 2009. Tape A matched ADV in June benefited from increased trading volumes related to the rebalancing of Russell Indexes and the expiration of stock index futures and options, single stock futures and stock options contracts. Year-to-date, NYSE Group matched ADV in Tape A increased 9.5% compared to the prior year period.
• NYSE Group's Tape A matched market share in July 2009 was 36.6% down from 39.9% in June 2009, compared to market share of 16.9% for our next largest competitor. TRF market share across Tape A increased in July 2009 to 33.9% from 25.0% in December 2008.
• Designated Market Maker ("DMM") participation in July 2009 was 8.7%, compared to 9.1% in June 2009. Supplemental Liquidity Provider ("SLP") participation in July 2009 was 7.7%, up from 7.5% in June 2009. DMM and SLP participation pertain only to trading on NYSE.

NYSE Arca and NYSE Amex-listed (Tape B)

• Total Tape B consolidated ADV in July 2009 decreased 2.4% to 1.6 billion shares compared to July 2008 and decreased 22.2% compared to June 2009. The decline versus June 2009 was partly driven by reverse-splits for two actively traded Exchange Traded Funds. Year-to-date, total Tape B consolidated ADV of 2.2 billion shares was 89.9% above the prior year period.
• NYSE Group's matched ADV of Tape B in July 2009 decreased 17.8% to 359 million shares compared to July 2008 and declined 25.1% compared to June 2009. Year-to-date, NYSE Group Tape B matched ADV was 61.3% above the prior year period.
• Tape B matched market share of NYSE Group in July 2009 was 23.1%, down from 23.9% in June 2009, compared to market share of 23.6% for our next largest competitor. TRF market share across Tape B increased in July 2009 to 34.5% from 21.5% in December 2008.

Nasdaq-listed (Tape C)

• Total Tape C consolidated ADV in July 2009 decreased 6.6% to 2.2 billion shares, compared to 2.4 billion shares in July 2008. Tape C consolidated volumes represented approximately 25% of all Consolidated Tape trading in the U.S. in July 2009. Year-to-date, total Tape C consolidated ADV was 1.0% above the prior year period.
• NYSE Group's matched ADV of Tape C decreased 28.7% to 285 million shares in July 2009 compared to 399 million shares in July 2008 and decreased 6.9% compared to June 2009. Year-to-date, NYSE Group's Tape C matched ADV decreased 13.5% to 328 million shares.
• NYSE Group's Tape C matched market share increased to 12.9% from 12.4% in June 2009, compared to market share of 33.1% for our nearest competitor. TRF market share across Tape C increased in July 2009 to 38.7% from 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) decreased 24.0% to 356 million shares in July 2009. Year-to-date, matched exchange-traded products ADV was 50.0% above the prior year period.

European Cash

NYSE Euronext European cash products ADV of 1.2 million transactions in July 2009 decreased 23.9%, compared to July 2008 and decreased 10.3% compared to June 2009. European cash products ADV in July 2008 was the 4th highest trading month in 2008. Year-to-date, European cash products ADV of 1.4 million transactions was 9.3% below the same period last year.

Derivatives Trading

European Derivatives

NYSE Euronext European derivatives products ADV in July 2009 was 3.6 million futures and options contracts, an increase of 4.0% from July 2008, but down 22.8% from the 4.6 million contracts recorded in June 2009. The 3.6 million in futures and options contracts ADV in July 2009 consisted of 2.5 million contracts executed through our full-service LIFFE CONNECT trading platform and a total of 1.1 million contracts executed through Bclear, NYSE Liffe's trade administration and clearing service for OTC products. Year-todate European derivatives products ADV of 4.2 million contracts was 2.7% below prior year levels.

• Total interest rate products ADV decreased 12.6% to 1.6 million contracts from 1.8 million contracts in July 2008 and decreased 34.3% from June 2009. Year-todate, total interest rate products ADV decreased 17.0% compared to the prior year period.
• Total equity products (including Bclear) ADV increased 23.6% to 1.9 million contracts from July 2008 and decreased 10.1% compared to June 2009. Total equity products ADV in July executed through our full-service LIFFE CONNECT trading platform was 0.9 million contracts. Year-to-date total equity products ADV increased 16.1% above the prior year period.

U.S. Derivatives

NYSE Euronext's U.S. equity options (NYSE Arca and NYSE Amex) ADV in July 2009 increased 28.9% to 2.4 million contracts compared to July 2008, but decreased 11.5% compared to June 2009. Total U.S. consolidated options ADV decreased 15.4% to 13.0 million contracts in July 2009, and decreased 3.4% from June 2009. Year-to-date, U.S. equity options volume of 2.4 million contracts was 39.4% above the prior year period. NYSE Euronext's U.S. options exchanges accounted for 18.8% of the total consolidated equity options trading in July 2009, up from 12.3% in June 2008, but down from the 20.5% in June 2009. July 2009 market share benefited from new pricing implemented July 1 and helped offset a decline in market share driven by a drop-off in seasonally higher levels of institutional flow experienced in June 2009.

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.