Euronext N.V.

Regulatory Filings • May 7, 2009

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NYSE Euronext Announces Trading Volumes for April 2009

European cash daily trading volume increased 15.5% to highest levels since October 2008; Record Bclear OTC volumes drive highest European derivatives trading volume since September 2008

May 7, 2009 – NYSE Euronext (NYX) today announced trading volumes for its global cash equities and derivatives exchanges for April 20091 . For the month of April 2009, NYSE Euronext's handled U.S. and matched European cash trading volumes increased 38.3% and 15.5%, respectively, and U.S. options volume increased 73.6%. European derivatives volumes increased to their highest levels since September 2008, driven in part by record Bclear OTC equity products trading activity.

Highlights

• NYSE Euronext U.S. cash products handled average daily volume ("ADV") in April 2009 increased 38.3%, compared to April 2008 and included strong growth in NYSE-listed (Tape A) and NYSE Arca/Amex-listed (Tape B) trading volumes.
• Total NYSE-listed (Tape A) consolidated ADV and NYSE Arca/Amex-listed (Tape B) consolidated ADV in April 2009 increased a combined 84.8%, compared to April 2008.
• Total NYSE Arca/Amex-listed (Tape B) consolidated ADV of 2.4 billion shares surpassed Nasdaq-listed (Tape C) consolidated volume of 2.3 billion shares for the third consecutive month.
• NYSE Euronext European cash products ADV of 1.6 million transactions in April 2009 increased 15.5%, compared to April 2008 and increased 7.8% from March 2009. April ADV was the highest level of trading activity since October 2008, when an average 2.1 million transactions were executed per day.
• NYSE Euronext European derivatives products ADV in April 2009 was 4.5 million contracts, up 0.9% from April 2008 and up 9.8% from March 2009 levels. April represented the highest level of derivatives trading volumes since September 2008.
• NYSE Euronext U.S. equity options ADV of 2.5 million contracts in April 2009 represented an increase of 73.6%, compared to April 2008 levels

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.

Cash Trading

NYSE Euronext U.S. cash products handled ADV in April 2009 increased 38.3% to 3.9 billion shares, compared to April 2008, but decreased 12.2% from March 2009. Year-todate, U.S. cash products handled ADV of 4.0 billion shares was 19.9% above the same period last year.

NYSE-listed (Tape A)

• Total NYSE-listed (Tape A) consolidated ADV in April 2009 increased 65.9% to 6.5 billion shares compared to 3.9 billion shares in April 2008, but declined 11.2% compared to March 2009. Year-to-date, total Tape A consolidated ADV of 6.4 billion shares was 45.9% above the prior year period.
• NYSE-listed (Tape A) matched ADV increased 35.1% to 2.6 billion shares, compared to 1.9 billion shares in April 2008, but declined 14.0% compared to March 2009. Year-to-date, matched ADV in Tape A increased 16.5% compared to the prior year period.
• NYSE-listed (Tape A) matched market share in April was 39.3%, down from 40.5% in March 2009, and is down 300 basis points since January 2009. Tape A matched market share of our next largest competitor has declined approximately 500 basis points from 20.4% at the end of January 2009 to 15.4% at the end of April 2009. Trade reporting facility ("TRF") market share across Tape A increased in April 2009 to 32.3% from 25.0% in December 2008.
• Designated Market Maker ("DMM") participation in April was 9.8%, compared to 9.0% in March 2009 and Supplemental Liquidity Provider ("SLP") participation in April was 9.5%, compared to 9.4% in March 2009. DMM and SLP participation rates pertain only to trading on NYSE.

NYSE Arca and NYSE Amex-listed (Tape B)

• Total NYSE Arca and NYSE Amex-listed (Tape B) consolidated ADV in April 2009 increased 169.6% to 2.4 billion shares compared to 879 million shares in April 2008. Tape B consolidated ADV in April surpassed Tape C consolidated ADV for the third consecutive month. Year-to-date, total Tape B consolidated ADV of 2.4 billion shares was 116.0% above the prior year period.
• NYSE's matched ADV of Tape B in April 2009 increased 125.5% to 566 million shares compared to April 2008. Year-to-date, Tape B matched ADV was 80.5% above the prior year period.
• NYSE Arca and NYSE Amex-listed (Tape B) matched market share was 23.9%, down 260 basis points from January 2009. Tape B matched market share of our nearest competitor has declined approximately 860 basis points from 31.5% at the end of January 2009 to 22.9% at the end of April 2009. TRF market share across Tape B increased in April 2009 to 34.3% from 21.5% in December 2008.

Nasdaq-listed (Tape C)

• Total Nasdaq-listed (Tape C) consolidated ADV in April 2009 increased 18.4% to 2.3 billion shares compared to 2.0 billion shares in April 2008. Year-to-date, total Tape C consolidated ADV was 2.6% below the prior year period.

• NYSE Arca's matched ADV of Tape C decreased 1.5% to 341 million shares in April 2009 compared to 346 million shares in April 2008. Year-to-date, Tape C matched ADV decreased 10.3% to 344 million shares.
• NYSE Arca's Tape C matched market share decreased to 14.5%, from 17.5% in April 2008, and is down 130 basis points since January 2009. Tape C matched market share of our nearest competitor has declined approximately 630 basis points from 39.9% at the end of January 2009 to 33.6% at the end of April 2009. TRF market share across Tape C increased in April 2009 to 36.1% from 29.9% in December 2008.

Exchange Traded Funds

• NYSE Euronext matched exchange-traded funds ADV (included in the trading volume numbers above) increased 115.1% to 571 million shares in April 2009.

NYSE Euronext matched European cash products ADV in April 2009 increased 15.5% to 1.6 million transactions, compared to April 2008, and increased 7.8% from March 2009 levels. European cash products ADV in April is at the highest level since October 2008.

• A new fee structure was implemented April 1 and applies to trading on all stocks listed on the regulated cash markets of Amsterdam, Brussels, Lisbon and Paris.
• The new fee plan will result in an overall reduction in trading fees of approximately 20% across NYSE Euronext's regulated European cash markets.
• A fixed fee will be charged per executed order instead of per trade, applying the same principle as the former Pack Epsilon fee structure. Customers will only be charged for the first execution, and follow-on trades for the same order will be free.

Derivatives Trading

NYSE Euronext European derivatives products ADV in April 2009 was 4.5 million futures and options contracts, an increase of 0.9% from April 2008 and up 9.8% from the 4.1 million contracts recorded in March 2009. April represented the highest level of derivatives trading volumes since September 2008. Year-to-date, ADV of 3.9 million contracts was 12.7% below prior year levels.

• Total interest rate products ADV decreased 24.4% to 1.9 million contracts from 2.5 million contracts in April 2008 and decreased 11.0% from March 2009. Year-todate, interest rate products ADV has decreased 27.1% compared to the prior year period.
• Total equity products (including Bclear) ADV increased 33.3% to 2.5 million contracts from April 2008 and increased 32.3% compared to March 2009. Total equity products ADV in April executed through our full-service CONNECT trading platform was 999 thousand contracts, up 2.9% from April 2008, but down 11.5% from March 2009.
• The increase in total equity products ADV was driven in large part by a 40.9% increase in individual equity products compared to April 2008 and a 67.7% increase compared to March 2009. The increase in individual equity products was driven by an increase in single-stock futures trading.
• Bclear, NYSE Liffe's trade administration and clearing service for OTC products, processed 1.6 million contracts per day, an increase of 64.7%, compared to April 2008 and an increase of 94.5% compared to March 2009. Year-to-date, Bclear has

processed an average of 904 thousand contracts per day, and increase of 41.6% compared to the prior year period.

NYSE Euronext's U.S. equity options (NYSE Arca and NYSE Amex) ADV in April 2009 increased 73.6% to 2.5 million contracts compared to April 2008 and total U.S. consolidated options ADV during the same period increased 22.6% to 14.5 million contracts. NYSE Euronext U.S. equity options volume in April represented a 3.3% decline versus March 2009. Year-to-date, U.S. equity options volume of 2.3 million contracts was 28.9% above the prior year period. NYSE Euronext's U.S. options exchanges accounted for 17.0% of the total consolidated equity options trading in April 2009, up from 12.0% in April 2008, but down from the 17.4% recorded in March 2009.

Please click here for the Monthly Transaction Activity Data Table.

About NYSE Euronext

NYSE Euronext (NYX) is the world's most diverse exchange group, offering a broad and growing array of financial products and services in Europe and the United States that include cash equities, futures, options, exchange-traded products, bonds, market data, and commercial technology solutions. With over 8,000 listed issues globally, NYSE Euronext's equities markets -- the New York Stock Exchange, Euronext, NYSE Arca, and NYSE Amex -- represent nearly 40% of the world's cash equities trading volume, 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. NYSE Euronext offers comprehensive global commercial technology, connectivity, and market data products and services through its innovative trading solutions unit, NYSE Technologies. NYSE Euronext is part of the S&P 500 index and the only exchange operator in the S&P 100 index. 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.