0001193125-06-261725 Sample Contracts

ROYALTY AGREEMENT BETWEEN BIOVEST INTERNATIONAL, INC. AND ACCENTIA BIOPHARMACEUTICALS, INC.

Royalty Agreement • December 29th, 2006 • Biovest International Inc • Pharmaceutical preparations • Delaware

• Contract Type
  Royalty Agreement
• Filed
  December 29th, 2006
• Company
  Biovest International Inc
• Industry
  Pharmaceutical preparations
• Jurisdiction
  Delaware

This Royalty Agreement (this “Agreement”) effective as of October 31, 2006, by and between BIOVEST INTERNATIONAL, INC., a Delaware corporation (“Biovest”) and ACCENTIA BIOPHARMACEUTICALS, INC., a Florida corporation, (“Accentia”) (collectively the “Parties”).

Biolender Purchase Agreement

Purchase Agreement • December 29th, 2006 • Biovest International Inc • Pharmaceutical preparations • Delaware

• Contract Type
  Purchase Agreement
• Filed
  December 29th, 2006
• Company
  Biovest International Inc
• Industry
  Pharmaceutical preparations
• Jurisdiction
  Delaware

This Purchase Agreement (this “Agreement”) is dated as of October 31, 2006, is made by and between Biovest International, Inc., a Delaware corporation (“Biovest”) and Accentia Biopharmaceuticals, Inc. a Florida Corporation (“Accentia”).

TERMINATION AGREEMENT BETWEEN BIOVEST INTERNATIONAL, INC. AND ACCENTIA BIOPHARMACEUTICALS, INC.

Termination Agreement • December 29th, 2006 • Biovest International Inc • Pharmaceutical preparations • Delaware

• Contract Type
  Termination Agreement
• Filed
  December 29th, 2006
• Company
  Biovest International Inc
• Industry
  Pharmaceutical preparations
• Jurisdiction
  Delaware

This Termination Agreement (this “Termination Agreement”) effective as of October 31, 2006, by and between BIOVEST INTERNATIONAL, INC., a Delaware corporation (“BIOVEST”) and ACCENTIA BIOPHARMACEUTICALS, INC., f/k/a Accentia, Inc., a Florida corporation, (“ACCENTIA”) (collectively the “Parties”).

CONSENT

Consent • December 29th, 2006 • Biovest International Inc • Pharmaceutical preparations

• Contract Type
  Consent
• Filed
  December 29th, 2006
• Company
  Biovest International Inc
• Industry
  Pharmaceutical preparations

This Consent (the “Consent”), dated as of October 31, 2006, is entered into by and among Accentia Biopharmaceuticals, Inc., a Florida corporation (“Accentia”), Analytica International, Inc. (formerly The Analytica Group, Inc.), a Florida corporation (“Analytica”), Biolender, LLC, a Delaware limited liability company (“Biolender”), TEAMM Pharmaceuticals, Inc., a Florida corporation (“TEAMM” and together with Accentia, Analytica, TEAMM and Biolender, the “Accentia Credit Parties” and each, an “Accentia Credit Party”), and Laurus Master Fund, Ltd., a Cayman Islands company (“Laurus”), in connection with (i) that certain Note and Warrant Purchase Agreement (as amended, modified or supplemented from time to time, the “Purchase Agreement” and, together with the Related Agreements and Security Documents, each as defined therein, the “Biovest Funding Documents”), dated as of March 31, 2006, by and between Biovest International, Inc., a Delaware corporation (“Biovest”, together with the Accenti