Euronext N.V.

Earnings Release • Apr 8, 2009

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NYSE Euronext Announces Trading Volumes for March 2009

Strong Growth Across All Venues as Trading Volumes Rebound from February 2009 Levels;

NYSE-Arca/Amex-Listed (Tape B) Consolidated Average Daily Volume Surpasses Nasdaq-Listed (Tape C) Consolidated Volume in the First Quarter for the First Time

April 8, 2009 – NYSE Euronext (NYX) today announced trading volumes and other metrics for its global cash equities and derivatives exchanges for March 20091 . For the month of March 2009, all venues grew trading volumes from February 2009 levels.

Highlights

• NYSE Euronext U.S. cash products handled average daily volume ("ADV") in March 2009 increased 24.9%, compared to March 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 March 2009 increased a combined 66.4%, compared to March 2008, whereas Nasdaq-listed (Tape C) consolidated ADV was up only 2.1%.
• Total NYSE-Arca/Amex-listed (Tape B) consolidated ADV of 2.4 billion shares surpassed Nasdaq-listed (Tape C) consolidated volume of 2.2 billion shares in the first quarter of 2009 for the first time.
• NYSE Euronext European cash products ADV of 1.5 million transactions in March 2009 decreased 4.3%, compared to March 2008, but increased 11.3% from February 2009 levels and was just 5% below ADV levels recorded for the full-year 2008.
• NYSE Euronext European derivatives products ADV rebounded in March 2009 to 4.1 million contracts, up 20.0% from February, but 11.2% below March 2008 levels. Increased index futures and equity options trading, as well as the quarterly roll-over, were responsible for the increase on February. Short term interest rate products ADV of 2.0 million contracts in March 2009 are at their highest levels since October.
• NYSE Euronext U.S. equity options ADV of 2.6 million contracts in March 2009 represented an increase of 41.1%, compared to March 2008 levels. The increase in market share to 17.4% from 13.9% in March 2008 was driven primarily by the

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.

addition of the former Amex options business, which transitioned to the new trading floor on the NYSE on March 2, 2009.

Cash Trading

NYSE Euronext U.S. cash products handled ADV in March 2009 increased 24.9% to 4.4 billion shares, compared to March 2008. In the first quarter of 2009, U.S. cash products handled ADV was 14.5% above the prior year period, but down 1.5% from the strong fourth quarter of 2008.

• Total NYSE-listed (Tape A) consolidated ADV in March 2009 increased 54.8% to 7.4 billion shares. In the first quarter of 2009, total Tape A consolidated ADV was 39.7% above the prior year period.
• NYSE-listed (Tape A) matched ADV increased over the first three months of 2009, increasing 31.4% to 3.0 billion shares from 2.3 billion shares in January 2009 and Tape A consolidated ADV increased 37.1% during the same period.
• Tape A matched market share in the first quarter of 2009 was 41.5%.
• After the implementation of the new U.S. equities pricing plan on March 1, 2009, Designated Market Maker ("DMM") participation in March was 9.0% and Supplemental Liquidity Provider ("SLP") participation was 9.4%. Before the new fee plan was implemented, DMM participation was 9.8% in February 2009 and 8.9% in January 2009 and SLP participation was 10.4% in February 2009 and 6.6% in January 2009. DMM and SLP participation rates pertain only to trading on NYSE.
• Total NYSE Arca and NYSE-Amex-listed (Tape B) consolidated ADV in March 2009 increased 110.3% to 2.6 billion shares. In the first quarter of 2009, total Tape B consolidated ADV of 2.4 billion shares was 101.5% above the prior year period and surpassed Nasdaq-listed consolidated volume of 2.2 billion shares for the first time.
• NYSE's matched ADV of Tape B in March 2009 increased 71.1% to 650 million shares. In the first quarter of 2009, Tape B matched volume was 69.0% above the prior year period.
• Total Nasdaq-listed (Tape C) consolidated ADV in March 2009 increased 2.1% to 2.3 billion shares. In the first quarter of 2009, total Tape C consolidated ADV was 8.7% below the prior year period.
• NYSE's matched ADV of Tape C decreased 5.9% to 352 million shares in March 2009 and NYSE's Tape C matched market share decreased to 15.0%, from 16.3% in March 2008. In the first quarter of 2009, Tape C matched market share was 15.5%.
• NYSE Euronext matched exchange-traded funds volume (included in the trading volume numbers above) increased 63.0% to 663 million shares in March 2009.

NYSE Euronext matched European cash products ADV in March 2009 decreased 4.3% to 1.5 million transactions, compared to March 2008, but increased 11.3% from February 2009 and are at their highest level since November 2008. In the first quarter of 2009, ADV of 1.4 million transactions was 5% below the 1.6 million ADV recorded for the fullyear 2008.

• European cash trading activity qualifying for Pack Epsilon pricing represented 33% of total transactions executed in March.

Derivatives Trading

NYSE Euronext European derivatives products ADV in March 2009 was 4.1 million futures and options contracts, a decrease of 11.2% from March 2008, but up 20.0% from the 3.4 million contracts recorded in February 2009. In the first quarter of 2009, ADV of 3.8 million contracts was 17.0% below prior year levels, but 2.4% above fourth quarter of 2008 levels. The overall decline in interest rate trading volume due to deleveraging by banks has been partially offset by increases in index futures and French equity options volumes that have driven rising equity products trading volume.

• Total interest rate products ADV decreased 23.0% to 2.1 million contracts from 2.7 million contracts in March 2008, but increased 14.3% from February 2009 and are at their highest levels since October 2008.
• Total equity products (including Bclear) ADV increased 7.9% to 1.9 million contracts from March 2008 and increased 28.3%, compared to February 2009. Bclear, NYSE Liffe's trade administration and clearing service, processed 797 thousand contracts per day, an increase of 35.8%. In the first quarter, Bclear processed 699 thousand contracts per day, a 31.6% increase over the prior year period.

NYSE Euronext's U.S. equity options ADV in March 2009 increased 41.1% to 2.6 million contracts, compared to March 2008 and increased 17.8% from February 2009. In the first quarter of 2009, U.S. equity options ADV of 2.3 million contracts increased 17.2%, compared to the first quarter of 2008. Total U.S. consolidated options ADV in March 2009 increased 12.9% to 14.6 million contracts. In the first quarter of 2009, total U.S. consolidated options ADV declined 1.5% to 13.1 million contracts. NYSE Euronext's U.S. options exchanges (NYSE-Arca and NYSE-Amex) accounted for 17.4% of the total consolidated equity options trading in March 2009, up slightly from 17.3% in February 2009 and up from 13.9% recorded in March 2008.

Other Metrics

The average EUR/USD exchange rate for first quarter of 2009 of \$1.31 represented declines of 1% and 13%, from the fourth quarter of 2008 and first quarter of 2008, respectively. The average GBP/USD exchange rate for the first quarter of 2009 of \$1.44 represented declines of 8% and 27%, from the fourth quarter of 2008 and the first quarter of 2008, respectively.

Please click here for the Monthly Transaction Activity Data Table.

Note to the Editor:

U.S. exchanges are required to provide their real-time last sale prices and Best Bid and Offer prices to one of two National Market System Plans, the Consolidated Tape Association (CTA), or the Nasdaq's UTP Plan. Tape A and Tape B refer to the CTA Plan, with Tape A covering trades and quotes in all NYSE-listed securities, and Tape B covering trades and quotes in securities listed other than on NYSE or Nasdaq (including NYSE Amex, NYSE Arca). Tape C refers to the Nasdaq UTP Plan, covering trades and quotes in all Nasdaq-listed securities.

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 2007 ("document de référence") filed with the French Autorité des Marchés Financiers (Registered on May 15, 2008 under No. R. 08-054), 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.