EXHIBIT 11 CONVERTIBLE SECURED PROMISSORY NOTE AND SECURITY AGREEMENTConvertible Secured Promissory Note and Security Agreement • June 24th, 2003 • Biovest International Inc • Pharmaceutical preparations • New York
CONVERTIBLE SECURED PROMISSORY NOTE AND SECURITY AGREEMENTConvertible Secured Promissory Note and Security Agreement • February 11th, 2005 • Accentia Biopharmaceuticals Inc • New York
FOR VALUE RECEIVED, Biovest International, Inc., a Delaware corporation with offices at 8500 Evergreen Blvd., Minneapolis MN 55433 and at 540 Sylvan Avenue, Englewood Cliffs, New Jersey 07632 (“Obligor”), hereby promises to pay to Morrison Cohen Singer & Weinstein, LLP, a New York limited liability partnership, 750 Lexington Avenue, New York, NY 10022 (“Payee”), the principal amount of Eight Hundred Seventy-Five Thousand Five Hundred Thirty-Eight and 47/100 Dollars ($875,538.47) (“Principal”), together with any accrued but unpaid interest thereon calculated in accordance with provisions of this Convertible Secured Promissory Note and Security Agreement (“Note”). Accentia, Inc. hereby acknowledges and agrees to the terms of this Note.
