Oncology Med Announces Major Business Purchase

May 7, 2007 – Oncology Med Inc., formerly known as Vianet Technology Group announced today that it has completed the acquisition of Comprehensive Physics & Regulatory Services (CPRS), a Nevada corporation and will now conduct business under the trade name of Oncology Med.
Oncology Med's acquisition of CPRS is expected to provide the foundation for Oncology Med to achieve significant revenue growth. Management believes that the acquisition/merger will provide CPRS with greater access to capital with which it intends to commence enhanced sales and marketing efforts, which it hopes will lead to greater revenues and profits.