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Juniper Networks, Inc. Plans to List Shares on The New York Stock Exchange

SUNNYVALE, Calif., October 6, 2009 - Juniper Networks, Inc. (NASDAQ: JNPR), the leader in high-performance networking, today announced that it has filed an application to list its common stock on the New York Stock Exchange ("NYSE"). Subject to the approval of the NYSE, Juniper expects to begin trading on the NYSE on October 29, 2009, retaining its current symbol "JNPR". The Company will continue to trade on the NASDAQ Global Select Market until the transfer is completed.

"We are looking forward to participating in the world's leading and most diverse global exchange with a shared vision around technology innovation," said Kevin Johnson, Juniper's Chief Executive Officer. "Juniper is delivering an ever-broader array of networking solutions and expanding our presence into service provider and enterprise markets globally. With many of our business partners and customers already listed on the NYSE, joining them on the Big Board aligns well with our strategic goals."

"We welcome Juniper Networks to the New York Stock Exchange," said Duncan Niederauer, CEO, NYSE Euronext. "Juniper is a leader in networking solutions, and NYSE Euronext is the leading global network of exchanges and issuers. This is a mutually beneficial partnership, and NYSE Euronext is committed to providing Juniper and its shareholders with the highest levels of global brand visibility, market quality and services."

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 more than 8,000 listed issues, NYSE Euronext's equities markets - the New York Stock Exchange, NYSE Euronext, NYSE Amex and NYSE Alternext as well as NYSE Arca - represent nearly 40 percent of the world's equities trading, 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. 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.

About Juniper Networks, Inc.

Juniper Networks, Inc. is the leader in high-performance networking. Juniper offers a high-performance network infrastructure that creates a responsive and trusted environment for accelerating the deployment of services and applications over a single network. This fuels high-performance businesses. Additional information can be found at www.juniper.net.

Juniper Networks, JUNOS and the Juniper Networks logo are registered trademarks of Juniper Networks, Inc. in the United States and other countries. All other trademarks, service marks, registered trademarks, or registered service marks are the property of their respective owners.