NYSE Euronext has named Luis Laginha de Sousa as chairman and CEO of NYSE Euronext Lisbon, effective July 1, 2010 and subject to regulatory approval.

Mr de Sousa will succeed Miguel Marques, who has decided to resign his positions with NYSE Euronext to pursue other professional opportunities. Mr de Sousa, who is currently COO in Lisbon, will also become a member of the managing board of Euronext N.V. and the management committee of NYSE Euronext.

Mr de Sousa joined the company in 2005, as COO of Euronext Lisbon. Apart from the responsibilities at local level, he is a member of the NYSE Euronext leadership team and he has also held group responsibilities in the areas of information services/market data and corporate news distribution.

Prior to Euronext, Mr de Sousa served as executive member on the board of Caixaweb SGPS, a holding company, wholly owned by Caixa Geral de Depositos, and as board member of several CGD Group companies, in Portugal and Spain.

Mr de Sousa said: “It is a great honor to succeed Miguel Marques, whose example will continue to provide a valuable inspiration for the challenges ahead. I am confident that with the support of my colleagues, we will be capable not only of preserving, but also expanding the role of NYSE Euronext in the local Portuguese market for the benefit of our customers and all stakeholders.”