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Twitter Celebrates Initial Public Offering and First Day of Trading on the New York Stock Exchange

NEW YORK, November 7, 2013 - Twitter opened for trading today on the New York Stock Exchange (NYSE) under the ticker symbol "TWTR" after its initial public offering (IPO).  Barclays is the Designated Market Maker for the company's stock.

"We are delighted to welcome Twitter to the NYSE," said Duncan L. Niederauer, CEO of NYSE Euronext. "Twitter's success since its first-ever Tweet to today's IPO on the NYSE as one of the world's leading technology companies is a testament to its innovation and foresight.  The NYSE is proud to be a partner to technology innovators like Twitter as they continue on their path of growth. We congratulate Twitter on this important milestone and look forward to a long-standing relationship with the company and its shareholders."

Twitter is the 26th technology company to conduct its IPO on the NYSE this year, representing 54 percent of all technology company IPOs in the U.S. in 2013. Year-to-date, a total of 123 companies have conducted IPOs on the NYSE and NYSE MKT, representing $47.8 billion in total proceeds.*

Photo 1
Twitter users ring The NYSE Opening Bell®.

Photo 2
View of the trading crowd surrounding the Twitter IPO on the NYSE.

Photo 3 
The NYSE trading floor during the Twitter IPO.  

Video
The NYSE Opening Bell®.

For more information on NYSE Euronext's listings business and to learn about trends in the IPO market, please visit the NYSE Euronext IPO Center.

About Twitter, Inc.
Founded in 2006, Twitter is a real-time information service on which people around the world can post ideas, comments and news, plus photos and videos, in 140 characters or less. The service can be accessed through a variety of methods, including Twitter.com, text messaging, and desktop, mobile, and web applications. Twitter is available in more than 33 languages. Visit www.twitter.com or follow @twitter for more information.

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 approximately 8,000 listed issues (excluding European Structured Products), NYSE Euronext's equities markets - the New York Stock Exchange, NYSE Euronext, NYSE MKT, NYSE Alternext and NYSE Arca - represent one-third 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.  For more information, please visit: http://www.nyx.com.
 
Follow NYSE Euronext on Twitter at: @NYSEEuronext

* Data includes Operating Companies, REITS & CEFs.