Geneva, December 13, 2006 – STMicroelectronics (NYSE:STM) announced today that Philippe Geyres, Executive Vice President and General Manager of its HPC (Home, Personal, Communication) Sector, has decided to pursue other career opportunities and has resigned from the Company.

For more than 20 years, Philippe Geyres has held key positions at ST, making a significant contribution in transforming the Company into one of the world’s major semiconductor players with his leadership, clear strategic vision and strong customer focus.

About STMicroelectronics
STMicroelectronics is a global leader in developing and delivering semiconductor solutions across the spectrum of microelectronics applications. An unrivalled combination of silicon and system expertise, manufacturing strength, Intellectual Property (IP) portfolio and strategic partners positions the Company at the forefront of System-on-Chip (SoC) technology and its products play a key role in enabling today's convergence markets. The Company's shares are traded on the New York Stock Exchange, on Euronext Paris and on the Milan Stock Exchange. In 2005, the Company's net revenues were $8.88 billion and net earnings were $266 million. Further information on ST can be found at www.st.com.