ANDOVER, Mass.--(BUSINESS WIRE)--July 27, 2006--Diomed Holdings, Inc. (AMEX: DIO - News), a leading developer and marketer of minimally invasive medical technologies, including its patented EndoVenous Laser Treatment (EVLT®) for varicose veins, today announced that it has reached agreement with investors for a $10 million private placement of a new series of its preferred stock. As part of the announced round of financing, all holders of the existing shares of convertible stock will tender their existing preferred shares for shares of the new series of preferred stock.