Hemispherx Biopharma To Host Quarterly Conference Call; Management To Provide Update On Status Of Active NDA Preparation And Avian Influenza Programs

Hemispherx Biopharma, Inc. (“Hemispherx” or the “Company”) (AMEX: HEB) will hold a telephone conference call at 10:00 a.m. ET on Tuesday, August 22, 2006 to review the Company’s accomplishments since the last quarterly conference and outline the company’s future goals.