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 first quarter results on Thursday, November 13, 2008, before market opening. That same day, at 4:30 p.m. ET, management will host a conference call, which will be broadcast live over the Internet.