NEW YORK--(BUSINESS WIRE)--Aug. 31, 2006--IsoRay Inc, (“IsoRay”) (OTCBB:ISRY), a medical technology company focusing on innovative treatment for prostate and other soft tissue cancer tumors through the use of its proprietary Cesium-131, announces that management will present at the Roth Capital Partners New York Conference on September 7, 2006 at the Westin Time Square Hotel in New York, NY.