DIO Diomed Holdings,

Diomed Holdings, Inc. (AMEX:DIO), a leading developer and marketer of minimally-invasive medical technologies, including its patented EndoVenous Laser Treatment (EVLT�) for varicose veins, today announced that James Wylie, President and CEO, will be presenting an overview of the Company�s business at the upcoming C. E. Unterberg, Towbin Life Sciences Conference at the Palace Hotel in New York on Tuesday, October 31, 2006 at 1:00 p.m. EST. To take part in this webcast presentation, please login at either http://ir.diomedinc.com or http://www.wsw.com/webcast/ceut5/dio/. About Diomed Diomed develops and commercializes minimal and micro-invasive medical procedures that use its proprietary laser technologies and disposable products. Diomed�s EVLT� laser vein ablation procedure is used in varicose vein treatments. Diomed also provides photodynamic therapy (PDT) for use in cancer treatments, and dental and general surgical applications. The EVLT� procedure and the Company�s related products were cleared by the United States FDA in January of 2002. Along with lasers and single-use procedure kits for its EVLT� laser vein treatment, the Company provides its customers with state of the art physician training and practice development support. Additional information is available on the Company�s website: www.evlt.com. EVLT� is a registered trademark of Diomed Inc., Andover, MA. Diomed Holdings, Inc. (AMEX:DIO), a leading developer and marketer of minimally-invasive medical technologies, including its patented EndoVenous Laser Treatment (EVLT(R)) for varicose veins, today announced that James Wylie, President and CEO, will be presenting an overview of the Company's business at the upcoming C. E. Unterberg, Towbin Life Sciences Conference at the Palace Hotel in New York on Tuesday, October 31, 2006 at 1:00 p.m. EST. To take part in this webcast presentation, please login at either http://ir.diomedinc.com or http://www.wsw.com/webcast/ceut5/dio/. About Diomed Diomed develops and commercializes minimal and micro-invasive medical procedures that use its proprietary laser technologies and disposable products. Diomed's EVLT(R) laser vein ablation procedure is used in varicose vein treatments. Diomed also provides photodynamic therapy (PDT) for use in cancer treatments, and dental and general surgical applications. The EVLT(R) procedure and the Company's related products were cleared by the United States FDA in January of 2002. Along with lasers and single-use procedure kits for its EVLT(R) laser vein treatment, the Company provides its customers with state of the art physician training and practice development support. Additional information is available on the Company's website: www.evlt.com. EVLT(R) is a registered trademark of Diomed Inc., Andover, MA.