PHILADELPHIA--(BUSINESS WIRE)--Hemispherx, Inc. (Amex: HEB), a biotechnology firm focused on RNA-based therapeutic solutions for chronic diseases and immune system disorders, today announced that the Company’s Chief Executive Officer, Dr. William Carter, is scheduled to present at The Roth Capital 19th OC Conference in Dana Point, California, on Thursday, February 22nd 2007 at 8:30 AM PST (11:30 AM EST). For those unable to attend the conference, a webcast of the presentation will be broadcast “live,” and may be accessed by visiting Hemispherx Biopharma’s website, www.hemispherx.net. The presentation will also be available on the Company’s website for 90 days after the conference.