Exhibit 10.72
 Confidential Treatment Requested Under
17 C.F.R. §§ 200.80(b)(4) and 240.24b-2
 (UMASS LOGO)
    
    MassBiologics
University of Massachusetts Medical School
460 Walk Hill Street, Boston, MA 02126Telephone: 617-474-3000 Facsimile: 617-474-3240
  Via Email And FedEx
 
   Akorn MBL Distribution Agreement Offer
 1. Amount Owed $1
Million Payment" Amount Owed
 2. Failure to Pick-Up [***...***]
 3. Total Amount Owed Total Amount
 4. Pay-Off Payment Schedule
  
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    CONFIDENTIAL TREATMENT REQUESTED  This language has been omitted and filed separately with the Securities and Exchange Commission.




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Confidential Treatment Requested Under
17 C.F.R. §§ 200.80(b)(4) and 240.24b-2
 [***...***]  [***...***]
 5. Standby Irrevocable Letter of Credit LOC Delivery Date Letter of Credit
 6. Distribution Provisions
 
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    CONFIDENTIAL TREATMENT REQUESTED  This language has been omitted and filed separately with the Securities and Exchange Commission.




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Confidential Treatment Requested Under
17 C.F.R. §§ 200.80(b)(4) and 240.24b-2
 6.1 Provisions Taking Immediate Effect
 Non-Exclusive Distribution
 Pricing; Reduced Pricing Reduced Per Dose Pricing
 Suspension of Minimum Purchase Obligations
 6.2 Provisions Taking Effect upon Delivery of LOC Required Condition
 Removal of Minimum Purchase Obligation
 Resale on Termination; Termination without Cause
 
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    CONFIDENTIAL TREATMENT REQUESTED  This language has been omitted and filed separately with the Securities and Exchange Commission.




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Confidential Treatment Requested Under
17 C.F.R. §§ 200.80(b)(4) and 240.24b-2
 7. Payment Terms
 8. Amended Cure Period
 9. Information
 10. Documents Documents
 11. Forbearance
 12. Binding Effect
  Very truly yours,Massachusetts Biologic Laboratories of the Universityof Massachusetts Medical SchoolBy:
    
    /s/ Donna M. Ambrosino, M.D.Name:
    
    Donna M. Ambrosino, M.D.Title:
    
    Director
 
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    CONFIDENTIAL TREATMENT REQUESTED  This language has been omitted and filed separately with the Securities and Exchange Commission.




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Confidential Treatment Requested Under
17 C.F.R. §§ 200.80(b)(4) and 240.24b-2
 Agreed and Accepted by
  Akorn Inc.By:
    
    /s/ John N. Kapoor, P.h.D.Name
    
    : John N. Kapoor, P.h.D.Title:
    
    Chairman, Duly Authorized
 
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    CONFIDENTIAL TREATMENT REQUESTED  This language has been omitted and filed separately with the Securities and Exchange Commission.




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Confidential Treatment Requested Under
17 C.F.R. §§ 200.80(b)(4) and 240.24b-2
 EXHIBIT A  Payment Schedule
 Payment Date
    
    Amount of Payment
    
    Remaining BalanceBalance Due, March 18, 2009
    
    
    
    
    
    $
    10,500,000.00April 13, 2009
    
    $
    1,000,000.00
    
    
    $
    9,500,000.00May 13, 2009
    
    $
    1,500,000.00
    
    
    $
    8,000,000.00June 13, 2009
    
    $
    2,000,000.00
    
    
    $
    6,000,000.00July 13, 2009
    
    $
    1,500,000.00
    
    
    $
    4,500,000.00August 13, 2009
    
    $
    1,500,000.00
    
    
    $
    3,000,000.00September 13, 2009
    
    $
    1,500,000.00
    
    
    $
    1,500,000.00June 30, 2010
    
    $
    1,500,000.00
    
    
    $
    0.00
 
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    CONFIDENTIAL TREATMENT REQUESTED  This language has been omitted and filed separately with the Securities and Exchange Commission.