Euronext N.V.

Earnings Release • Jan 7, 2011

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NYSE Euronext Announces Trading Volumes for December 2010

Global Derivatives Averaged 6.7 Million Contracts per Day in December, Down 6% vs. Prior Year; European Cash Trading Volumes Up 13%, U.S. Cash Down 14%

January 7, 2011 – NYSE Euronext (NYX) today announced trading volumes for its global derivatives and cash equities exchanges for December 2010¹ . Global derivatives average daily volume ("ADV") of 6.7 million contracts traded per day in December 2010 decreased 6.2% versus the prior year. The decrease in global derivatives ADV versus prior year levels was driven primarily by a 17.7% decrease in European derivatives, partially offset by an 8.7% increase in U.S. equity options ADV. Cash equities ADV in December 2010 was mixed, with European cash ADV increasing 12.9% and U.S. cash trading volumes decreasing 13.5% from December 2009 levels.

Highlights

• NYSE Euronext global derivatives ADV in December 2010 of 6.7 million contracts decreased 6.2% compared to December 2009 and decreased 19.1% from November 2010 levels.
• NYSE Euronext European derivatives products ADV in December 2010 of 3.3 million contracts decreased 17.7% compared to December 2009 and decreased 24.5% from November 2010 levels. Total European fixed income products ADV in December 2010 of 1.5 million contracts decreased 19.1% compared to December 2009 and decreased 26.6% from November 2010. Total equity products ADV of 1.8 million contracts in December 2010 decreased 17.8% compared to December 2009 and decreased 23.2% from November 2010. Total commodities products ADV of 64,000 contracts in December 2010 increased 41.4% compared to December 2009.
• NYSE Euronext U.S. equity options (NYSE Arca and NYSE Amex) ADV of 3.4 million contracts in December 2010 increased 8.7% compared to December 2009 levels, but decreased 13.0% from November 2010. NYSE Euronext's U.S. options exchanges accounted for 23.1% of total U.S. consolidated equity options trading in December 2010, down from 24.9% in December 2009 and down from 24.7% recorded in November 2010. In December 2010, dividend capture trades as a percentage of total U.S. consolidated equity options ADV jumped to approximately 15%, from approximately 7% in November 2010. This lower-margin business represents a relatively small percentage of NYSE Euronext's U.S. equity options business.
• NYSE Euronext European cash products ADV of 1.2 million transactions in December 2010 increased 12.9% compared to December 2009, but decreased 20.3% from November 2010.

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.

• NYSE Euronext U.S. cash products (NYSE, NYSE Arca and NYSE Amex) handled ADV of 2.0 billion shares in December 2010 decreased 13.5% compared to December 2009 and decreased 14.2% compared to November 2010. NYSE Euronext's Tape A matched market share in December 2010 was 35.0%, down from 36.5% in December 2009 and down from 36.1% in November 2010.
• There were a total of 23 trading days in Europe and 22 trading days in the U.S. in December 2010, compared to 22 trading days in Europe and the U.S. in December 2009.
• The preliminary average net revenue per transaction type (as defined below) for each of the primary trading venues in the fourth quarter of 2010 is included below:

	3Q10 Actual	4Q10 Preliminary
European Derivatives (ex. Bclear)1	\$0.670	\$0.67
U.S. Equity Options2	\$0.171	\$0.17
European Cash3	\$0.655	\$0.71
U.S. Cash4	\$0.0313	\$0.032

1 Average net revenue per contract, excluding Bclear.

2 Average net revenue per contract.

3 Average net revenue per transaction.

4 Average net revenue per 100 shares handled.

Derivatives Trading

European Derivatives

• NYSE Euronext European derivatives products ADV in December 2010 was 3.3 million futures and options contracts, a decrease of 17.7% from December 2009 and a decrease of 24.5% from November 2010. The 3.3 million in futures and options contracts ADV in December 2010 consisted of 2.4 million contracts executed through our full-service LIFFE CONNECT trading platform and 0.9 million contracts, or 27.3%, executed through Bclear, NYSE Liffe's trade administration and clearing service for OTC products. In the fourth quarter of 2010, European derivatives products ADV of 3.7 million contracts was 8.0% below prior year levels. The 3.7 million in futures and options contracts ADV in the fourth quarter of 2010 consisted of 2.9 million contracts executed through LIFFE CONNECT trading platform and 0.9 million contracts, or 23.0%, executed through Bclear.
• For the full-year 2010, European derivatives products ADV of 4.7 million contracts was 14.9% above prior year levels. The 4.7 million in futures and options contracts ADV for full-year 2010 consisted of 3.4 million contracts executed through the LIFFE CONNECT trading platform and 1.3 million contracts, or 27.9%, executed through Bclear.
• Total fixed income products ADV of 1.5 million contracts in December 2010 decreased 19.1% from December 2009 and decreased 26.6% from November 2010. In the fourth quarter of 2010, total fixed income products ADV of 1.8 million contracts was 10.9% below prior year levels. For the full-year 2010, total fixed income products ADV of 2.3 million contracts was 12.6% above prior year levels.
• Total equity products (including Bclear) ADV of 1.8 million contracts in December 2010 decreased 17.8% compared to December 2009 and decreased 23.2% from November 2010. The 1.8 million contracts in equity products ADV consisted of 1.3 million contracts in individual equity products ADV and 0.5 million contracts in equity index products ADV. The 1.3 million contracts in individual equity products ADV consisted of 0.7

million in futures contracts, which represented a 16.7% decrease compared to December 2009 and 0.6 million in options contracts, which represented a 23.7% decrease compared to December 2009. The average net rate per contract for individual equity futures contracts is significantly lower than other products traded on NYSE Liffe. In the fourth quarter of 2010, total equity products ADV of 1.9 million contracts was 6.1% below prior year levels. For the full-year 2010, total equity products ADV of 2.4 million contracts was 16.6% above prior year levels.

• Total commodities products ADV of 64,000 contracts in December 2010 increased 41.4% compared to December 2009. In the fourth quarter of 2010, total commodities product ADV of 69,000 contracts was 42.1% above prior year levels. For the full-year 2010, total commodities product ADV of 65,000 contracts was 36.3% above prior year levels.

U.S. Derivatives

• NYSE Euronext U.S. equity options (NYSE Arca and NYSE Amex) ADV of 3.4 million contracts in December 2010 increased 8.7% compared to December 2009, but decreased 13.0% compared to November 2010. In the fourth quarter of 2010, U.S. equity options ADV of 3.7 million contracts was 20.0% above prior year levels.
• For the full-year 2010, U.S. equity options ADV of 3.7 million contracts was 38.9% above prior year levels.
• Total U.S. consolidated equity options ADV increased 17.1% to 14.6 million contracts in December 2010 compared to December 2009, but decreased 7.0% compared to November 2010. In the fourth quarter of 2010, U.S. consolidated equity options ADV of 15.1 million contracts was 17.6% above prior year levels. For the full-year 2010, U.S. consolidated equity options ADV of 14.3 million contracts was 7.2% above prior year levels.
• NYSE Euronext's U.S. options exchanges accounted for 23.1% of the total U.S. consolidated equity options trading in December 2010, down from 24.9% in December 2009 and down from 24.7% in November 2010. In December 2010, dividend capture trades as a percentage of total U.S. consolidated equity options ADV jumped to approximately 15%, from approximately 7% in November 2010. This lower-margin business represents a relatively small percentage of NYSE Euronext's U.S. equity options business.
• NYSE Euronext U.S. futures and futures options (NYSE Liffe U.S.) ADV in December 2010 was approximately 13,000 contracts, compared to 19,500 contracts in December 2009. In the fourth quarter of 2010, U.S. futures and futures options ADV of 14,900 contracts was 29.5% below prior year levels. For the full-year 2010, U.S. futures and futures options ADV was 16,200 contracts, a decrease of 8.8% compared to the prior year.

Cash Trading

European Cash

• NYSE Euronext European cash products ADV of 1.2 million transactions in December 2010 increased 12.9% compared to December 2009, but decreased 20.3% compared to November 2010. In the fourth quarter of 2010, European cash products ADV of 1.4 million transactions was 5.3% above prior year levels.
• For the full-year 2010, European cash products ADV of 1.5 million transactions was 6.8% above prior year levels.

U.S. Cash

• NYSE Euronext U.S. cash products handled ADV in December 2010 decreased 13.5% to 2.0 billion shares compared to December 2009 and decreased 14.2% from November 2010. In the fourth quarter of 2010, U.S. cash products handled ADV was 2.2 billion shares, down 13.1% from prior year levels.
• For the full-year 2010, U.S. cash products handled ADV was 2.6 billion shares, down 20.9% from prior year levels.
• NYSE Euronext's Tape A matched market share in December 2010 was 35.0%, down from 36.5% in December 2009 and down from 36.1% in November 2010.
• Designated Market Maker participation in NYSE-listed stocks in December 2010 was 7.9%, compared to 9.1% in November 2010 and 9.6% in October 2010. Supplemental Liquidity Provider participation in NYSE-listed stocks in December 2010 was 13.7%, compared to 14.6% in November 2010 and 15.4% in October 2010.

Exchange Traded Products

• NYSE Euronext U.S. matched exchange-traded products ADV (included in volumes for Tape B and Tape C) of 214 million shares in December 2010 decreased 14.4% compared to December 2009 and decreased 32.1% compared to November 2010. In the fourth quarter of 2010, NYSE Euronext U.S. matched exchange-traded products ADV of 276 million shares was 8.6% below prior year levels. For the full-year 2010, NYSE Euronext U.S. matched exchange-traded products ADV of 333 million shares was 24.4% below prior year levels.

Other Metrics

• The average EUR/USD exchange rate for the fourth quarter of 2010 of \$1.36 represented an increase of 5.2% from the third quarter of 2010 and a decrease of 7.9% compared to the fourth quarter of 2009.
• The average GBP/USD exchange rate for the fourth quarter of 2010 of \$1.58 represented an increase of 2.0% from the third quarter of 2010 and a decrease of 3.2% compared to the fourth quarter of 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, 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-fourth 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 August 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 August 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.

	Average Daily Volume			Total Volume			Average Daily Volume		Total Volume
(Unaudited; contracts in thousands)	Dec-10	Dec-09	% Chg	Dec-10	Dec-09	% Chg	YTD 2010	% Chg vs. YTD 2009	YTD 2010	% Chg vs. YTD 2009
Number of Trading Days - European Markets Number of Trading Days - U.S. Markets	23 22	22 22		23 22	22 22		258 252		258 252
European Derivatives Products	3,302		4,014 -17.7%	75,957		88,311 -14.0%	4,739	14.9%	1,222,557	15.8%
of which Bclear	903		1,102 -18.1%	20,759		24,252 -14.4%	1,321	29.6%	340,840	30.6%
Total Fixed Income Products	1,473		1,821 -19.1%	33,877		40,055 -15.4%	2,278	12.6%	587,652	13.5%
Short Term Interest Rate Products Medium and Long Term Interest Rate Products 1	1,396 77	77	1,743 -19.9% -0.7%	32,108 1,769	1,703	38,352 -16.3% 3.8%	2,160 118	12.4% 17.2%	557,330 30,322	13.3% 18.1%
Total Equity Products 2	1,766		2,148 -17.8%	40,616		47,266 -14.1%	2,396	16.6%	618,226	17.5%
Individual Equity Products	1,292		1,614 -19.9%	29,725		35,502 -16.3%	1,801	24.6%	464,563	25.6%
Futures Options	734 558		882 -16.7% 732 -23.7%	16,883 12,841		19,397 -13.0% 16,105 -20.3%	1,121 679	44.2% 1.8%	289,334 175,229	45.4% 2.6%
Equity Index Products	474		535 -11.4%	10,892	11,763	-7.4%	596	-2.4%	153,663	-1.7%
of which Bclear	903		1,102 -18.1%	20,759		24,252 -14.4%	1,321	29.6%	340,840	30.6%
Individual Equity Products Futures	809 733		970 -16.6% 880 -16.7%	18,617 16,867		21,351 -12.8% 19,362 -12.9%	1,227 1,117	38.4% 44.6%	316,542 288,207	39.5% 45.8%
Options	76	90	-15.8%	1,750		1,989 -12.0%	110	-3.9%	28,335	-3.2%
Equity Index Products	93		132 -29.4%	2,142		2,901 -26.2%	94	-29.0%	24,298	-28.5%
Commodity Products	64	45	41.4%	1,464	990	47.8%	65	36.3%	16,679	37.4%
U.S. Derivatives Products
Equity Options 3
NYSE Euronext Options Contracts Total Consolidated Options Contracts	3,360 14,567	3,092 12,435	8.7% 17.1%	73,926 320,466 273,562	68,020	8.7% 17.1%	3,668 14,317	38.9% 7.2%	924,379 3,607,981	38.9% 7.2%
NYSE Group Share of Total	23.1%	24.9%		23.1%	24.9%		25.6%	5.8%	25.6%	5.8%
NYSE Liffe U.S.
Futures and Futures Options Volume	13.0		19.5 -33.1%	286		428 -33.1%	16.2	-8.8%	4,079.3	-8.8%
European Cash Products (trades in thousands)	1,228	1,087	12.9%	28,235	23,916	18.1%	1,462	6.8%	377,122	7.7%
Equities	1,177		1,041 13.1%	27,079		22,903 18.2%	1,403	7.1%	361,870	7.9%
Exchange-Traded Funds Structured Products	15 30	28	12 19.3% 6.7%	334 692		267 24.8% 621 11.5%	18 36	22.5% -6.0%	4,540 9,231	23.5% -5.3%
Bonds	6	6	-0.3%	130	125	4.2%	6	1.0%	1,481	1.8%
U.S. Cash Products (shares in millions) 5	2,007	2,319	-13.5%	44,148 51,011		-13.5%	2,596	-20.9%	654,149	-20.9%
NYSE Listed (Tape A) Issues 4
Handled Volume 5	1,496	1,747	-14.4%	32,908	38,434	-14.4%	1,883	-21.5%	474,539	-21.5%
Matched Volume 6 Total NYSE Listed Consolidated Volume	1,419 4,050	1,621 4,443	-12.5% -8.8%	31,224 89,092	35,669 97,737	-12.5% -8.8%	1,769 4,871	-19.0% -14.3%	445,700 1,227,390	-19.0% -14.3%
Share of Total Consolidated Volume
Handled Volume 5	36.9%	39.3%	-2.4%	36.9%	39.3%	-2.4%	38.7%	-3.5%	38.7%	-3.5%
Matched Volume 6	35.0%	36.5%	-1.5%	35.0%	36.5%	-1.5%	36.3%	-2.1%	36.3%	-2.1%
NYSE Arca & Amex (Tape B) Listed Issues
Handled Volume 5	266	308	-13.7%	5,855	6,786	-13.7%	385	-25.0%	97,069	-25.0%
Matched Volume 6 Total NYSE Arca & Amex Listed Consolidated Volume	240 1,045	271 1,191	-11.4% -12.2%	5,273 22,998	5,954 26,208	-11.4% -12.2%	346 1,454	-23.0% -22.9%	87,252 366,527	-23.0% -22.9%
Share of Total Consolidated Volume
Handled Volume 5	25.5%	25.9%	-0.4%	25.5%	25.9%	-0.4%	26.5%	-0.7%	26.5%	-0.7%
Matched Volume 6	22.9%	22.7%	0.2%	22.9%	22.7%	0.2%	23.8%	0.0%	23.8%	0.0%
Nasdaq Listed (Tape C) Issues
Handled Volume 5	245	263	-7.0%	5,386	5,791	-7.0%	328	-11.3%	82,541	-11.3%
Matched Volume 6 Total Nasdaq Listed Consolidated Volume	211 1,688	215 1,830	-2.0% -7.7%	4,636 37,140	4,731 40,256	-2.0% -7.7%	277 2,192	-8.1% -2.0%	69,756 552,422	-8.1% -2.0%
Share of Total Consolidated Volume
Handled Volume 5	14.5%	14.4%	0.1%	14.5%	14.4%	0.1%	14.9%	-1.6%	14.9%	-1.6%
Matched Volume 6	12.5%	11.8%	0.7%	12.5%	11.8%	0.7%	12.6%	-0.9%	12.6%	-0.9%
Exchange-Traded Funds 5,7
Handled Volume 5	237	282	-16.1%	5,209	6,207	-16.1%	369	-26.4%	93,109	-26.4%
Matched Volume 6 Total ETF Consolidated Volume	214 948	250 1,121	-14.4% -15.5%	4,710 20,852	5,499 24,670	-14.4% -15.5%	333 1,426	-24.4% -24.7%	83,854 359,458	-24.4% -24.7%
Share of Total Consolidated Volume Handled Volume 5	25.0%	25.2%	-0.2%	25.0%	25.2%	-0.2%	25.9%	-0.6%	25.9%	-0.6%
Matched Volume 6	22.6%	22.3%	0.3%	22.6%	22.3%	0.3%	23.3%	0.1%	23.3%	0.1%

7 Data included in previously identified categories.

Source: NYSE Euronext, Options Clearing Corporation and Consolidated Tape as reported for equity securities.

3 Includes trading in U.S. equity options contracts, not equity-index options.

All trading activity is single-counted, except European cash trading which is double counted to include both buys and sells.

5 Represents the total number of shares of equity securities and ETFs internally matched on the NYSE Group's exchanges or routed to and executed at an external market center. NYSE Arca routing includes odd-lots.

4 Includes all volume executed in NYSE Group crossing sessions.

6 Represents the total number of shares of equity securities and ETFs executed on the NYSE Group's exchanges.

1 Data includes currency products.

2 Includes Bclear trading Includes all trading activities for Bclear, NYSE Liffe's clearing service for wholesale derivatives.

NYSE Euronext Monthly Volume Summary