Exhibit 10.1 Escrow Agreement, effective as of May 31, 1999 by and among: The holders of Hemispherx Biopharma, Inc. warrants as set forth on Schedule A attached hereto ("Warrantholders"); HEMISPHERX BIOPHARMA, INC., a Delaware corporation with offices...Escrow Agreement • September 7th, 1999 • Hemispherx Biopharma Inc • Wholesale-drugs, proprietaries & druggists' sundries • New York
