PALO ALTO, Calif., - December 1, 2003 - Varian Medical Systems, Inc.(NYSE: VAR) and Amerinet Inc. today announced they have renewed a preferred pricing agreement to supply Amerinet members with advanced systems for treating cancer with radiotherapy. The contract covers Varian's state-of-the-art equipment and software for radiation therapy, including SmartBeam™ IMRT (intensity modulated radiation therapy), a highly precise form of radiation therapy that targets cancer cells while minimizing the exposure of nearby healthy tissue. Under the agreement, Varian Medical Systems makes available its full range of products, including the Clinac® EX Platinum linear accelerator and Acuity™ treatment simulators, as well as multi-leaf collimators and other accessories for radiation therapy. Varian Medical Systems' products also include software for planning treatment and managing patient information, brachytherapy systems, and medical imaging systems. "Varian Medical Systems' products are another example of how Amerinet's philosophy of "Choice, Voice and Value" is put into effect for our members," said John Sutton, senior contract manager for Amerinet. "Varian offers the most complete product line of radiation oncology systems in the industry, and their equipment has proven to be cost-effective because of its durability and longevity. This will bring extraordinary value to our members with specific needs in this area."