EX-10.4



 Exhibit 10.4 

FIRST AMENDMENT TO LOAN AND SECURITY AGREEMENT 

This FIRST AMENDMENT TO LOAN AND SECURITY AGREEMENT (this “Amendment”), dated as of June 18, 2014 (the
“Effective Date”), is by and among (a) (i) CLEVELAND BIOLABS, INC., a Delaware corporation (“Inc”) and (ii) BIOLAB 612, LLC, a limited liability company formed in the Russian Federation
(“LLC”) (Inc and LLC hereinafter individually and collectively referred to as the “Borrower”), and (b) HERCULES TECHNOLOGY II, L.P., a Delaware limited partnership (“Lender”). 

WHEREAS, Borrower and Lender are parties to a certain Loan and Security Agreement, dated as of September 30, 2013 (as the same may
from time to time be amended, modified or supplemented in accordance with its terms, the “Loan Agreement”); and 

WHEREAS, in accordance with Section 11.4 of the Loan Agreement, Borrower and Lender desire to amend the Loan Agreement as provided
herein. 
 NOW THEREFORE, in consideration of the mutual agreements contained in the Loan Agreement and herein and for other good and
valuable consideration, the receipt and sufficiency of which are hereby acknowledged, the parties hereto hereby agree as follows: 
 1.
Defined Terms. Terms not otherwise defined herein which are defined in the Loan Agreement shall have the same respective meanings herein as therein. 

2. Amendments to Loan Agreement. Subject to the satisfaction of the conditions set forth in Section 4 of this Amendment,
the Loan Agreement is hereby amended as follows: 
 (a) The Loan Agreement shall be amended by inserting the following new
definitions to appear alphabetically in Section 1.1 thereof: 
 “First Amendment” means that certain
First Amendment to the Loan and Security Agreement dated of June 18, 2014. 
 (b) Notwithstanding Section 2.4 of
the Loan Agreement, Lender hereby agrees to waive the Prepayment Charge owed by Borrower to Lender solely as a result of Borrower’s prepayment of the Paydown Amount (as defined in the First Amendment). 

3. Termination of Stock Pledge Agreement (Incuron). Reference is made to that certain Stock Pledge Agreement (Incuron)
dated as of November 22, 2013, pursuant to which Inc granted Lender a security interest in and pledged to the Lender one hundred percent (100.0%) of Inc’s ownership interest in Limited Liability Company “Incuron”
(“Incuron”) to further secure the Borrower’s obligations under the Loan Agreement. In connection with this Amendment, subject to Section 4 below, Lender hereby releases all security interests and liens granted to Lender in
all collateral granted by Inc in Incuron pursuant to the Loan Agreement and the Pledge Agreement, and such release shall automatically be effective without further action required by any party. 

4. Conditions to Effectiveness. Lender and Borrower agree that this Amendment shall become effective upon the
satisfaction of the following conditions precedent, each in form and substance satisfactory to Lender: 
 (a) Lender shall
have received a fully-executed counterpart of this Amendment signed by Borrower; 
 (b) Lender shall have received certified
resolutions of Borrower’s board of directors evidencing approval of this Amendment; 

  
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 (c) Borrower shall have paid to Lender, Four Million Dollars ($4,000,000.00) (the
“Paydown Amount”) to be applied on account of the outstanding Secured Obligations of Borrower to Lender; and 

(d) Lender shall have received payment for all reasonable and documented out-of-pocket fees and expenses incurred by Lender in
connection with this Amendment, including, but not limited to, all legal fees and expenses, payable pursuant to Section 11.12 of the Loan Agreement. 

5. Representations and Warranties. The Borrower hereby represents and warrants to Lender as follows: 

(a) Representations and Warranties in the Agreement. The representations and warranties of Borrower set forth in
Section 5 of the Loan Agreement are true and correct in all material respects on and as of the Effective Date with the same effect as though made on and as of such date, except to the extent such representations and warranties expressly relate
to an earlier date. 
 (b) Authority, Etc. The execution and delivery by Borrower of this Amendment and the
performance by Borrower of all of its agreements and obligations under the Loan Agreement and the other Loan Documents, as amended hereby, are within the corporate authority of Borrower and have been duly authorized by all necessary corporate action
on the part of Borrower. With respect to Borrower, the execution and delivery by Borrower of this Amendment does not and will not require any registration with, consent or approval of, or notice to any Person (including any governmental authority).

 (c) Enforceability of Obligations. This Amendment, the Loan Agreement and the other Loan Documents, as amended
hereby, constitute the legal, valid and binding obligations of Borrower enforceable against Borrower in accordance with their terms, except as enforceability is limited by bankruptcy, insolvency, reorganization, moratorium, general equitable
principles or other laws relating to or affecting generally the enforcement of, creditors’ rights and except to the extent that availability of the remedy of specific performance or injunctive relief is subject to the discretion of the court
before which any proceeding therefor may be brought. 
 (d) No Default. Before and after giving effect to this
Amendment (i) no fact or condition exists that would (or would, with the passage of time, the giving of notice, or both) constitute an Event of Default, and (ii) no event that has had or could reasonably be expected to have a Material
Adverse Effect has occurred and is continuing. 
 (e) Event of Default. By its signature below, Borrower hereby agrees
that it shall constitute an Event of Default if any representation or warranty made herein should be false or misleading in any material respect when made. 

6. Reaffirmations. Except as expressly provided in this Amendment, all of the terms and conditions of the Loan Agreement and the
other Loan Documents remain in full force and effect. Nothing contained in this Amendment shall in any way prejudice, impair or effect any rights or remedies of Lender under the Loan Agreement and the other Loan Documents. Except as specifically
amended hereby, Borrower hereby ratifies, confirms, and reaffirms all covenants contained in the Loan Agreement and the other Loan Documents. The Loan Agreement, together with this Amendment, shall be read and construed as a single agreement. All
references in the Loan Documents to the Loan Agreement or any other Loan Document shall hereafter refer to the Loan Agreement or any other Loan Document as amended hereby. 

7. Execution in Counterparts. This Amendment may be executed in any number of counterparts, each of which shall be deemed an
original, but which together shall constitute one instrument. 

  
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 8. Miscellaneous.  

(a) THIS AMENDMENT SHALL BE GOVERNED BY, AND CONSTRUED AND ENFORCED IN ACCORDANCE WITH, THE LAWS OF THE STATE OF CALIFORNIA,
EXCLUDING CONFLICT OF LAWS PRINCIPLES THAT WOULD CAUSE THE APPLICATION OF LAWS OF ANY OTHER JURISDICTION. 
 (b) The captions
in this Amendment are for convenience of reference only and shall not define or limit the provisions hereof. 
 (c) This
Amendment expresses the entire understanding of the parties with respect to the transactions contemplated hereby. No prior negotiations or discussions shall limit, modify, or otherwise affect the provisions hereof. 

(d) Any determination that any provision of this Amendment or any application hereof is invalid, illegal or unenforceable in
any respect and in any instance shall not effect the validity, legality, or enforceability of such provision in any other instance, or the validity, legality or enforceability of any other provisions of this Amendment. 

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 IN WITNESS WHEREOF, Borrower and Lender have duly executed and delivered this Amendment as of the day and
year first above written. 
  

			
	BORROWER:
	
	CLEVELAND BIOLABS, INC.
		
	Signature:	 	 /s/ Yakov Kogan

	Print Name:	 	Yakov Kogan
	Title:	 	Chief Executive Officer
	
	BIOLAB 612, LLC
		
	Signature:	 	 /s/ Askar Kuchumov

	Print Name:	 	Askar Kuchumov, Ph.D.
	Title:	 	General Director


 Accepted in Palo Alto, California: 

 

			
	LENDER:
	
	HERCULES TECHNOLOGY GROWTH
CAPITAL, INC.
		
	Signature:	 	 /s/ Ben Bang

	Print Name:	 	Ben Bang
	Title:	 	Senior Counsel