NEWSROOM

August 23, 2006

Results continue the positive operational trends

May 29, 2006

Q1 2006 operating and financial performance

April 24, 2006

Carl Hermann Schleifer appointed new Member

March 30, 2006

Significant breakthrough in Germany in 2005

March 30, 2006

Results 2005 Presentation

December 1, 2005

PHTS strengthens advisory board

November 22, 2005

Financial results for Q3 in line with expectations

August 23, 2005

Contracts in Germany and US

July 25, 2005

Closing of the transaction