Mr. Davidson will be responsible for the company's global investor relations program which includes managing relationships and communications with shareholders, analysts and the professional investment community. Most recently, Mr. Davidson has served as head of Investor Relations and Global Marketing and Communications for MarketAxess, which provides client-to-dealer corporate bond trading and technology services.

"Stephen is an accomplished investor relations professional who has an excellent reputation for implementing progressive initiatives in investor outreach and communications," said Michael S. Geltzeiler, Group Executive Vice President & Chief Financial Officer. "Stephen also possesses a deep understanding of the financial services industry and the global exchange space, having spent over 16 years in the industry. We look forward to Stephen joining the NYSE Euronext team."

"As the world's leading exchange group, NYSE Euronext is well positioned to grow and produce extraordinary value for customers and shareholders," said Mr. Davidson. "I welcome the opportunity to join the NYSE Euronext team, overseeing the company's global investor relations program."

Mr. Davidson began his financial services career with Bankers Trust, where he held positions of increasing responsibility within the Global Institutional Services unit until joining the Investor Relations department in 1997. Following the acquisition of Bankers Trust by Deutsche Bank in 1999, Stephen assumed the role of Vice President of Investor Relations for North America of this dually listed company. From 2001 until joining MarketAxess in 2005, Mr. Davidson served as Director, Global Marketing and Communications at Prudential Financial.

Mr. Davidson received a B.A. in Government and International Relations from Franklin & Marshall College in 1990.