New release achieves superior IMRT plans in minutes.

Concord, CA – Prowess, INC. has proudly announced the release of the latest version of their treatment planning system, Panther Version 4.6, for December 2008. Among its other noteworthy technological advances, this version’s greatest improvement is in the speed of IMRT Optimization and quality of plans it generates.

CONCORD, Calif., Feb. 20 /PRNewswire-FirstCall/ — Siemens Healthcare (http://www.usa.siemens.com/healthcare) announces an exclusive partnership with Prowess Inc. to develop advanced radiation oncology treatment planning software for integration into Siemens’ linear accelerators. The combination of Prowess’ unique treatment planning system with Siemens’ leading oncology solutions technology will help provide users with one of the most effective and reliable radiation therapy treatment solutions available in the market.

Chico, California, January 18, 2007 – Prowess Inc. today announced the planned 1st Quarter 2007 release of brachytherapy inverse planning for the Panther Treatment Planning System.

Chico, CA (September 13th, 2006)- Radiation oncology software company Prowess, Inc. is pleased to report the most recent findings of Dr. Ping Xia, Ph.D. (University of California at San Francisco) announced at the International Congress on Medical Physics, September 2006, Hangzhou, China. Prowess, committed to being an innovator in radiation therapy techniques, is the first to provide a commercial treatment planning system to deliver IMRT with the conventional jaws of the linear accelerator.

Chico, CA (June 29, 2006)- Radiation oncology software company Prowess, Inc. is pleased to announce their first Jaws-Only Intensity Modulated Radiation Therapy (IMRT) system in use with a Siemens PRIMUS Linear Accelerator. These exciting advancements in radiation oncology are being unveiled at The National Cancer Institute, K Hospital in Hanoi, Vietnam.