RICHLAND, Wash.--(BUSINESS WIRE)--IsoRay Inc. (AMEX:ISR), a medical isotope company focused on the treatment of prostate cancer and other malignant disease through use of its proprietary radioisotope technology, announced today it will release second quarter fiscal 2008 results on Monday, February 11, 2008, before market opening. That same day, at 4:30 PM ET, management will host a conference call, which will be broadcast live over the Internet.