Exhibit 10.3
[isurplogo.jpg]

Iowa State University Research Park Corporation
2711 South Loop Drive, Suite 4050
Ames, Iowa 50010-8648

Memorandum of Agreement

DATE:        October 31, 2012

TO:        Carl Langren
BioProtection Systems Corporation
2503 S. Loop Drive, Suite 5100
Ames, IA 50010

FROM:    Steven T. Carter, President

RE:
ADDENDUM TO THE LEASE BETWEEN ISU RESEARCH PARK CORPORATION AND BIOPROTECTION
SYSTEMS CORPORATION DATED AUGUST 22, 2005.

The following information constitutes additions to the Lease Agreement between
ISU Research Park Corporation (Landlord) and BioProtection Systems Corporation
(Tenant). Upon signatures of appropriate representatives of Landlord and Tenant
affixed to this Memorandum, this Memorandum becomes a part of that Lease
Agreement dated August 22, 2005.

Tenant has requested and Landlord agrees to extend the lease for Suites 3500-
3532 (±3,634 rentable square feet) and Suite 3900 (±3,147 rsf) in the following
manner:

Sq. Ft.        Sq. Ft.        Monthly    Monthly    Annual     Annual
Base        Operating    Base        Operating    Base     Operating
Term        Rents        Rents        Rents        Rents        Rents     Rents

Suites 3500- 3532 (containing ±3,634 rsf)
11/1/2012-
10/31/2013    $11.90        Actual        $3,603.72    Actual        $43,244.64    Actual

Suite 3900 (containing ±3,147 rsf)
11/1/2012-
10/31/2013    $12.75        Actual        $3,343.69    Actual        $40,124.28    Actual

--------------------------------------------------------------------------------

BioProtection Systems Corp.
Page Two
October 31, 2012

Tenant leases the space as is. Any modifications will be at the Tenant’s sole
expense. Landlord agrees to release Tenant from this lease obligation upon
Tenant’s move into another facility at the ISU Research Park. Subject to the
terms of this Memorandum, Tenant agrees that all terms and conditions of the
August 22, 2005 Lease and those described in this Memorandum shall remain in
force.

Tenant continues to be responsible for their custodial services and the cost &
maintenance for the fume hoods and plumbing in the labs & kitchen & the
equipment in Rm 3531. This agreement does not preclude other tenants from using
the equipment in Rm 3531. Gas & water usage, as well as utility costs for the
HVAC system, will be prorated & invoiced monthly. Electricity is metered
separately & is invoiced directly from the provider.

Please sign and return both originals to my office by November 2, 2012 if you
concur with the above terms. We will then send a fully executed copy for your
records.

AGREED
FOR                            FOR
BioProtection Systems Corp.                ISU Research Park Corporation

/s/ Carl Langren                    /s/ Steven T. Carter            

VP Finance                        Director                
Title                            Title
November 6, 2012                    November 6, 2012            
Date                            Date