NYSE Euronext Selects Teliris to Deliver Telepresence Capability

NEW YORK, March 15, 2011 - Teliris (www.teliris.com), the telepresence innovation leader,
today announced that NYSE Euronext (NYX) will deploy a broad range of Teliris
Telepresence solutions throughout the company's global operations to
facilitate face-to-face visual collaboration.

Leveraging Teliris' software-based architecture, NYSE Euronext will
benefit from an innovative lightweight model that provides the flexibility
for an immersive telepresence experience using a broad range of solutions
over a low-cost network.

"Teliris is providing NYSE Euronext a proven cost-effective approach to
telepresence along with a comprehensive choice of capabilities to fit our
wide range of global collaboration needs," said Andrew Brandman, EVP and
Chief Administration Officer, NYSE Euronext.

"We are thrilled that we could deepen our relationship with NYSE Euronext
and became their partner of choice in the telepresence arena," said Neil
Hobbs, Teliris CEO. "We anticipate that this implementation will have a
positive impact on collaboration and meeting effectiveness throughout the
NYSE Euronext community."

About Teliris Telepresence:

Teliris develops and implements the world's most innovative fully managed
telepresence and collaboration solutions, realistically replicating the human
dynamics of an in-person meeting experience. Through its 6G platform and
unique intellectual property, Teliris has radically simplified the
acquisition, deployment and operating costs of telepresence, breaking new
ground in adoption and reach of the technology. Teliris is headquartered in
New York and London and has deployments in over 52 countries, offering with
end-to-end integration, market-leading 99%+ availability guarantee and
interoperability with all telepresence, traditional videoconferencing and
unified communications solutions. For more information, visit
www.teliris.com or email info@teliris.com.

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 Amex, 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. 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: www.nyx.com.

Hana Jeddy, +1-917-355-0026, hana.jeddy at teliris.com, or Jo Parlett, +44-7535-759336, jo.parlett at teliris.com