Euronext N.V.

Regulatory Filings • Jun 5, 2009

CONTACT | Media: +31.20.550.4488 (Amsterdam), +32.2.509.1392 (Brussels) +351.217.900.029 (Lisbon), +44.20.7379.2789 (London) +1.212.656.2411 (New York), +33.1.49.27.11.33 (Paris)

CONTACT | Investor Relations: +1.212.656.5700 (New York) +33.1.49.27.58.60 (Paris)

NYSE Euronext Announces Trading Volumes for May 2009

Double-Digit Growth Year-Over-Year Across All Global Trading Venues; U.S. Cash Volumes Up 40.4%; European Cash Volumes Up 14.6%; Record European Derivatives Trading Volume Driven by Bclear OTC Service

June 5, 2009 – NYSE Euronext (NYX) today announced trading volumes for its global cash equities and derivatives exchanges for May 20091 . For the month of May 2009, all NYSE Euronext global trading venues experienced double-digit year-over-year trading volume growth, including a 40.4% increase in U.S. cash trading, a 14.6% increase in European cash trading, a 28.4% increase in European derivatives volumes driven by our Bclear OTC service and a 73.4% increase in U.S. equity options.

Highlights

• NYSE, NYSE Arca and NYSE Amex ("NYSE Group") U.S. cash products handled average daily volume ("ADV") in May 2009 increased 40.4%, compared to May 2008 and included strong growth in NYSE-listed (Tape A) and NYSE Arca/Amex-listed (Tape B) trading volumes. NYSE Group matched share of all U.S. equity trading volume in May 2009 was 30.1%, compared to market share of 20.7% for our next largest competitor.
• NYSE Euronext is the largest exchange operator in the two fastest growing tapes in the U.S. equity markets. Total Tape A consolidated ADV and Tape B consolidated ADV in May 2009 increased a combined 86.5%, compared to May 2008. Tape A and Tape B trading volume in May accounted for approximately 80% of all Consolidated Tape trading in the U.S. market which includes trade reporting facility ("TRF") volumes.
• NYSE Euronext European cash products ADV of 1.5 million transactions in May 2009 increased 14.6%, compared to May 2008, but decreased 6.8% from April 2009. European cash ADV year-to-date of 1.4 million transactions was only 6.0% below the same period last year.
• NYSE Euronext European derivatives products ADV in May 2009 was a record 5.6 million contracts, up 28.4% from May 2008 and up 24.6% from April 2009 levels, driven by record Bclear OTC volumes. Total interest rate products ADV was 2.2 million contracts, up 8.2% compared to May 2008 and at their highest levels since October 2008.

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.

• NYSE Euronext U.S. equity options ADV of 2.5 million contracts in May 2009 represented an increase of 73.4%, compared to May 2008 levels. The increase in ADV was driven mostly by the addition of the former Amex options business and stronger options market volumes.

Cash Trading

U.S. Cash

NYSE Group U.S. cash products handled ADV in May 2009 increased 40.4% to 3.8 billion shares, compared to May 2008, but decreased 1.8% from April 2009. Year-to-date, NYSE Group handled ADV of 4.0 billion shares was 23.4% above the same period last year. NYSE Group matched share of all U.S. equity volume in May 2008 was 30.1%, compared to 20.7% for our next largest competitor.

NYSE-listed (Tape A)

• Total Tape A consolidated ADV in May 2009 increased 66.9% to 6.5 billion shares compared to 3.9 billion shares in May 2008, but declined 0.7% compared to April 2009. Year-to-date, total Tape A consolidated ADV of 6.4 billion shares was 49.7% above the prior year period.
• Tape A matched ADV of NYSE Group increased 39.7% to 2.5 billion shares, compared to 1.8 billion shares in May 2008, but declined 1.6% compared to April 2009. Year-to-date, NYSE Group matched ADV in Tape A increased 20.4% compared to the prior year period.
• NYSE Group's Tape A matched market share in May was 38.9%, compared to market share of 15.7% for our next largest competitor. TRF market share across Tape A increased in May 2009 to 33.2% from 25.0% in December 2008.
• Designated Market Maker ("DMM") participation in May was 10.1%, compared to 9.8% in April. Supplemental Liquidity Provider ("SLP") participation in May was 6.8%, down from 7.3% in April. Please note that the calculation for SLP participation has changed to reflect the roll-out of the SLP program to a broader universe of NYSE stocks, from the original 500 eligible stocks. DMM and SLP participation pertain only to trading on NYSE.

NYSE Arca and NYSE Amex-listed (Tape B)

• Total Tape B consolidated ADV in May 2009 increased 173.0% to 2.4 billion shares compared to 882 million shares in May 2008, and increased 1.6% compared to April 2009. Year-to-date, total Tape B consolidated ADV of 2.4 billion shares was 125.6% above the prior year period.
• NYSE Group's matched ADV of Tape B in May 2009 increased 127.3% to 552 million shares compared to May 2008, but declined 2.5% compared to April 2009. Year-to-date, NYSE Group Tape B matched ADV was 88.0% above the prior year period.
• Tape B matched market share of NYSE Group was 22.9%, compared to market share of 22.3% for our next largest competitor. TRF market share across Tape B increased in May 2009 to 36.9% from 21.5% in December 2008.

Nasdaq-listed (Tape C)

• Total Tape C consolidated ADV in May 2009 increased 17.0% to 2.4 billion shares, compared to 2.1 billion shares in May 2008. Tape C consolidated volumes represented only 21.4% of all Consolidated Tape trading in the U.S. in May 2009. Year-to-date, total Tape C consolidated ADV was 0.9% above the prior year period.
• NYSE Group's matched ADV of Tape C decreased 6.5% to 337 million shares in May 2009 compared to 360 million shares in May 2008. Year-to-date, NYSE Group's Tape C matched ADV decreased 9.6% to 343 million shares.
• NYSE Group's Tape C matched market share was 13.9%, compared to 32.7% for our nearest competitor. TRF market share across Tape C increased in May 2009 to 38.1% from 29.9% in December 2008.

Exchange Traded Funds

• NYSE Group matched exchange-traded funds ADV (included in volumes from Tape B and Tape C noted above) increased 113.0% to 548 million shares in May 2009.

European Cash

NYSE Euronext matched European cash products ADV in May 2009 increased 14.6% to 1.5 million transactions, compared to May 2008, but decreased 6.8% from April 2009 levels. Year-to-date ADV of 1.4 million transactions was only 6.0% below the same period last year.

Derivatives Trading

European Derivatives

NYSE Euronext European derivatives products ADV in May 2009 was a record 5.6 million futures and options contracts, an increase of 28.4% from May 2008 and up 24.6% from the 4.5 million contracts recorded in April 2009. The 5.6 million in futures and options contracts ADV in May consisted of 3.2 million contracts executed through our fullservice CONNECT trading platform and a total of 2.4 million contracts executed through Bclear, NYSE Liffe's trade administration and clearing service for OTC products. Year-todate European derivatives products ADV of 4.3 million contracts was 5.0% below prior year levels.

• Total interest rate products ADV increased 8.2% to 2.2 million contracts from 2.0 million contracts in May 2008 and increased 15.5% from April 2009. Total interest rate products ADV is at its highest level since October 2008. Year-to-date, total interest rate products ADV decreased 21.6% compared to the prior year period.
• Total equity products (including Bclear) ADV increased 46.4% to 3.4 million contracts from May 2008 and increased 32.2% compared to April 2009. Total equity products ADV in May executed through our full-service CONNECT trading platform was 1.0 million contracts, in line with May 2008 and April 2009. Year-todate total equity products ADV increased 18.1% above the prior year period.
• The increase in total equity products ADV was driven in large part by a 54.4% increase in individual equity products compared to May 2008 and a 44.9% increase compared to April 2009. The increase in individual equity products ADV was driven by an increase in single-stock futures trading through Bclear.

U.S. Derivatives

NYSE Euronext's U.S. equity options (NYSE Arca and NYSE Amex) ADV in May 2009 increased 73.4% to 2.5 million contracts compared to May 2008, and increased 2.5% compared to April 2009. Total U.S. consolidated options ADV increased 25.9% to 14.8 million contracts in May 2009 and increased 2.1% from April 2009. Year-to-date, U.S. equity options volume of 2.4 million contracts was 36.4% above the prior year period. NYSE Euronext's U.S. options exchanges accounted for 17.1% of the total consolidated equity options trading in May 2009, up from 12.4% in May 2008, and up from the 17.0% recorded in April 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.