Document:

Exhibit 10.13

Exhibit 10.13

November 3, 2008

CONFIDENTIAL

Mr. Raymond C. Kubacki, Jr.

c/o Psychemedics Corporation

125 Nagog Park

Suite 200

Acton, MA 01720

Dear Ray:

This letter sets forth an amendment to the letter agreement (the “Letter Agreement”) between
you and Psychemedics Corporation (the “Company”) dated July 10, 2008. The Letter Agreement is
hereby amended by adding after paragraph 13 thereof the following paragraph 14:

	 	14.	 	Section 409A.

(a) Anything in this Agreement to the contrary notwithstanding, if at the time of your
separation from service within the meaning of Section 409A of the Internal Revenue Code of
1986, as amended, and the regulations thereunder (the “Code”), following a Change in Control
as defined in paragraph 13(b) above, you are a “specified employee” within the meaning of
Section 409A(a)(2)(B)(i) of the Code, then to the extent any payment or benefit that you
become entitled to under this Agreement would be considered deferred compensation subject to
the twenty percent (20%) additional tax imposed pursuant to Section 409A(a) of the Code as a
result of the application of Section 409A(a)(2)(B)(i) of the Code, such payment shall not be
payable and such benefit shall not be provided until the date that is the earlier of (i) six
(6) months and one (1) day after your separation from service, or (ii) your death.

 

 

 

Mr. Raymond C. Kubacki, Jr.

November 3, 2008

Page 2

(b) This Agreement is intended to be in compliance with the provisions of Section 409A
of the Code. To the extent that any provision of this Agreement is
ambiguous as to its compliance with Section 409A of the Code, the provision shall be
read in such a manner so that all payments hereunder comply with said Section. The parties
agree that this Agreement may be amended, as reasonably requested by either party, and as
may be necessary to fully comply with Section 409A of the Code and all related rules and
regulations in order to preserve the payments and benefits provided hereunder without
additional cost to either party.

(c) Solely for the purposes of Section 409A of the Code, each installment payment of
Termination Pay shall be considered a separate payment.

(d) The Company makes no representation or warranty and shall have no liability to you
or any other person if any provisions of this Agreement are determined to constitute
deferred compensation subject to Section 409A of the Code but do not satisfy an exemption
from, or the conditions of, said Section.

If this letter correctly sets forth our understanding and agreement concerning the proposed
amendment, please indicate your acceptance by signing both copies of this letter and returning one
copy. The Letter Agreement shall then be amended as set forth above but shall otherwise remain in
full force and effect.

	 	 	 	 	 
	 	Very truly yours,

PSYCHEMEDICS CORPORATION

 	 
	 	By:  	                                                    /s/ William R. Thistle
 	 
	 	 	 	 
	 	 	 	 
	 

Agreed to: November 3, 2008

/s/ Raymond C. Kubacki, Jr. 
Raymond C. Kubacki, Jr.Exhibit 10.14

Exhibit 10.14

November 3, 2008

CONFIDENTIAL

Mr. William R. Thistle

c/o Psychemedics Corporation

125 Nagog Park, Suite 200

Acton, MA 01720

Dear Bill:

This letter sets forth an amendment to the letter agreement (the “Letter Agreement”) between
you and Psychemedics Corporation (the “Company”) dated March 28, 2005. The Letter Agreement is
hereby amended by adding after paragraph 13 thereof the following paragraph 14:

	 	14.	 	Section 409A.

(a) Anything in this Agreement to the contrary notwithstanding, if at the time of your
separation from service within the meaning of Section 409A of the Internal Revenue Code of
1986, as amended, and the regulations thereunder (the “Code”), following a Change in Control
as defined in paragraph 13(b) above, you are a “specified employee” within the meaning of
Section 409A(a)(2)(B)(i) of the Code, then to the extent any payment or benefit that you
become entitled to under this Agreement would be considered deferred compensation subject to
the twenty percent (20%) additional tax imposed pursuant to Section 409A(a) of the Code as a
result of the application of Section 409A(a)(2)(B)(i) of the Code, such payment shall not be
payable and such benefit shall not be provided until the date that is the earlier of (i) six
(6) months and one (1) day after your separation from service, or (ii) your death.

 

 

 

Mr. William R. Thistle

November 3, 2008

Page 2

(b) This Agreement is intended to be in compliance with the provisions of Section 409A
of the Code. To the extent that any provision of this Agreement is ambiguous as to its
compliance with Section 409A of the Code, the provision

shall be read in such a manner so that all payments hereunder comply with said Section.
The parties agree that this Agreement may be amended, as reasonably requested by either
party, and as may be necessary to fully comply with Section 409A of the Code and all related
rules and regulations in order to preserve the payments and benefits provided hereunder
without additional cost to either party.

(c) Solely for the purposes of Section 409A of the Code, each installment payment of
Termination Pay shall be considered a separate payment.

(d) The Company makes no representation or warranty and shall have no liability to you
or any other person if any provisions of this Agreement are determined to constitute
deferred compensation subject to Section 409A of the Code but do not satisfy an exemption
from, or the conditions of, said Section.

If this letter correctly sets forth our understanding and agreement concerning the proposed
amendment, please indicate your acceptance by signing both copies of this letter and returning one
copy. The Letter Agreement shall then be amended as set forth above but shall otherwise remain in
full force and effect.

	 	 	 	 	 
	 	Very truly yours,

PSYCHEMEDICS CORPORATION

 	 
	 	By:  	                                                    /s/ Raymond C. Kubacki, Jr.
 	 
	 	 	 	 
	 	 	 	 
	 

Agreed to: November 3, 2008

/s/ William R. Thistle 
William R. ThistleExhibit 10.15

Exhibit 10.15

November 3, 2008

CONFIDENTIAL

Michael I. Schaffer, Ph.D.

c/o Psychemedics Corporation

5832 Uplander Way

Culver City, CA 90230-6608

Dear Mike:

This letter sets forth an amendment to the letter agreement (the “Letter Agreement”) between
you and Psychemedics Corporation (the “Company”) dated July 10, 2008. The Letter Agreement is
hereby amended by adding after paragraph 13 thereof the following paragraph 14:

	 	14.	 	Section 409A.

(a) Anything in this Agreement to the contrary notwithstanding, if at the time of your
separation from service within the meaning of Section 409A of the Internal Revenue Code of
1986, as amended, and the regulations thereunder (the “Code”), following a Change in Control
as defined in paragraph 13(b) above, you are a “specified employee” within the meaning of
Section 409A(a)(2)(B)(i) of the Code, then to the extent any payment or benefit that you
become entitled to under this Agreement would be considered deferred compensation subject to
the twenty percent (20%) additional tax imposed pursuant to Section 409A(a) of the Code as a
result of the application of Section 409A(a)(2)(B)(i) of the Code, such payment shall not be
payable and such benefit shall not be provided until the date that is the earlier of (i) six
(6) months and one (1) day after your separation from service, or (ii) your death.

 

 

 

Michael I. Schaffer, Ph.D.

November 3, 2008

Page 2

(b) This Agreement is intended to be in compliance with the provisions of Section 409A
of the Code. To the extent that any provision of this Agreement is ambiguous as to its
compliance with Section 409A of the Code, the provision
shall be read in such a manner so that all payments hereunder comply with said Section.
The parties agree that this Agreement may be amended, as reasonably requested by either
party, and as may be necessary to fully comply with Section 409A of the Code and all related
rules and regulations in order to preserve the payments and benefits provided hereunder
without additional cost to either party.

(c) Solely for the purposes of Section 409A of the Code, each installment payment of
Termination Pay shall be considered a separate payment.

(d) The Company makes no representation or warranty and shall have no liability to you
or any other person if any provisions of this Agreement are determined to constitute
deferred compensation subject to Section 409A of the Code but do not satisfy an exemption
from, or the conditions of, said Section.

If this letter correctly sets forth our understanding and agreement concerning the proposed
amendment, please indicate your acceptance by signing both copies of this letter and returning one
copy. The Letter Agreement shall then be amended as set forth above but shall otherwise remain in
full force and effect.

	 	 	 	 	 
	 	Very truly yours,

PSYCHEMEDICS CORPORATION

 	 
	 	By:  	                                                    /s/ Raymond C. Kubacki, Jr.
 	 
	 	 	 	 
	 	 	 	 
	 

Agreed to: November 3, 2008

/s/ Michael I. Schaffer, Ph.D. 
Michael I. Schaffer, Ph.D.Exhibit 10.9

Exhibit 10.9

SEVENTH MODIFICATION TO LOAN DOCUMENTS

THIS
SEVENTH MODIFICATION TO LOAN DOCUMENTS (herein the “Modification”) is made and entered
into as of this 1st day of December, 2008, by and between Intelligent Systems
Corporation, a Georgia corporation (herein the “Borrower”), QS Technologies, Inc., a Georgia
corporation, Visaer, Inc., a Delaware corporation, Corecard Software, Inc., a Delaware corporation,
and Chemfree Corporation, a Georgia corporation (the aforesaid four corporations being individually
and collectively referred to herein as the “Guarantors”), and Fidelity Bank, a Georgia state
chartered bank (f/k/a Fidelity National Bank ) (herein the “Lender”).

RECITALS:

WHEREAS, on October 1, 2003, Lender made a loan to Borrower in the original principal amount
of One Million Five Hundred Thousand and No/100 Dollars ($1,500,000.00) (the “Loan”) evidenced by
that certain Commercial Promissory Note dated October 1, 2003 executed by Borrower in favor of
Lender (herein the “Note”).

WHEREAS, the Loan and the Note are secured and evidenced by, among other instruments, the
following:

	 	(a)	 	Security Agreement from Borrower in favor of Lender dated of even date with the
Note (herein the “Security Agreement”);

	 
	 	(b)	 	Loan Agreement by and between Borrower and Lender dated of even date with the
Note (herein the “Loan Agreement”);

	 
	 	(c)	 	Financing Statement filed in Gwinnett County, Georgia records, File no.
067-2003-010805 (herein the “Borrower Financing Statement”).

	 
	 	(d)	 	Negative Pledge Agreement by and between Borrower and Lender dated of even date
with the Note (herein the “Negative Pledge Agreement”);

	 
	 	(e)	 	Assignment of Policy as Collateral Security from Borrower in favor of Lender
dated of even date with the Note (herein the “Life Insurance Assignment”); and

	 
	 	(f)	 	Subordination Agreements from Borrower and certain of the Guarantors in favor
of Lender dated of even date with the Note (herein “Subordination Agreements”).

The Security Agreement, the Loan Agreement, the Financing Statement, the Negative Pledge Agreement,
the Life Insurance Assignment and the Subordination Agreements are collectively referred to herein
as the “Loan Documents”.

WHEREAS, on October 1, 2003, each of the Guarantors executed a Guaranty in favor of Lender
whereby each of the Guarantors guaranteed all of the obligations of Borrower to Lender contained
under the Loan, Note and Loan Documents (herein collectively the “Guaranties”);

WHEREAS, in order to secure their obligations under the terms of the Guaranties, each of the
Guarantors executed in favor of Lender certain Security Agreements dated October 1, 2003 (herein
the “Guarantor Security Agreements”), which Guarantor Security Agreements are further evidenced by
a Financing Statement filed in Gwinnett County, Georgia Records
File No. 067-2003-010805 and that
certain Financing Statement filed with the Delaware Department of State under Filing No.
20032749870 (herein collectively the “Guarantor Financing Statements”) (the Guaranties, the
Guarantor Security
Agreements and the Guarantor Financing Statements are herein collectively referred to herein as the
“Guaranty Documents”);

 

 

 

WHEREAS, Lender, Borrower and the Guarantors entered into that certain First Modification of
Loan Documents dated as of September 1, 2004 for the purpose of extending the Maturity Date of the
Loan on the Note from September 1, 2004 to September 1, 2005 (all references to the Loan, Note,
Loan Documents and Guaranty shall be as amended by the aforesaid First Modification of Loan
Documents);

WHEREAS, Lender, Borrower and the Guarantors entered into that certain Second Modification of
Loan Documents dated as of September 1, 2005 for the purpose of extending the Maturity Date of the
Loan on the Note from September 1, 2005 to September 1, 2006 and to increase the maximum
availability under the Loan and the Note from $1,500,000 to $2,000,000 (all references to the Loan,
Note, Loan Documents and Guaranty shall be as amended by the aforesaid Second Modification of Loan
Documents);

WHEREAS, Borrower requested and Lender agreed to increase the maximum availability under the
Loan and the Note from $2,000,000 to $2,500,000 and Borrower, Guarantors and Lender entered into
that certain Third Modification of Loan Documents dated as of June 16, 2006 in order to modify and
ratify certain terms and provisions of the Note, the Loan Documents and the Guaranty Documents as
more particularly set forth therein (all references to the Loan, Note, Loan Documents and Guaranty
shall be as amended by the aforesaid Third Modification of Loan Documents);

WHEREAS, Borrower requested and Lender agreed to decrease the maximum availability under the
Loan and the Note from $2,500,000 to $2,000,000 and to further extend the Maturity Date of the Loan
and Note from September 1, 2006 to December 1, 2006, and Borrower, Guarantors and Lender entered
into that certain Fourth Modification of Loan Documents dated on or about August 9, 2006 in order
to modify and ratify certain terms and provisions of the Note, the Loan Documents and the Guaranty
Documents as more particularly set forth therein (all references to the Loan, Note, Loan Documents
and Guaranty shall be as amended by the aforesaid Fourth Modification of Loan Documents);

WHEREAS, Lender, Borrower and the Guarantors entered into that certain Fifth Modification of
Loan Documents dated as of December 1, 2006 for the purpose of extending the Maturity Date of the
Loan on the Note from December 1, 2006 to December 1, 2007 (all references to the Loan, Note, Loan
Documents and Guaranty shall be as amended by the aforesaid Fifth Modification of Loan Documents);

WHEREAS, Lender, Borrower and the Guarantors entered into that certain Sixth Modification of
Loan Documents dated as of December 1, 2007 for the purpose of extending the Maturity Date of the
Loan on the Note from December 1, 2007 to December 1, 2008 (all references to the Loan, Note, Loan
Documents and Guaranty shall be as amended by the aforesaid Fifth Modification of Loan Documents);

WHEREAS, Lender filed (i) a continuation statement in the UCC Records of Gwinnett County,
Georgia under File No. 067-2008-003877 on April 15, 2008, which continuation statement continued in
full force and effect both the Financing Statement and the Guarantor Financing Statement of record
naming Borrower, QS Technologies, Inc. and Chemfree Corporation as debtors, and (ii) a continuation
statement in the UCC Records of the Secretary of State of Delaware under File No. 20081731866 on
May 20, 2008, which continuation statement continued in full force and effect both the Guarantor
Financing Statement of record Visaer, Inc. and Corecard Software, Inc. as debtors.

WHEREAS, Borrower has requested and Lender has agreed to further extend the maturity date of
the Loan and Note from December 1, 2008 to June 30, 2009 and Borrower, Guarantors and Lender desire
to enter into this Amendment in order to modify and ratify certain terms and provisions of the
Note, the Loan Documents and the Guaranty Documents as more particularly set forth herein.

 

2

 

NOW, THEREFORE, for and in consideration of Ten and No/100 Dollars ($10.00) and other good and
valuable consideration, the receipt, adequacy and sufficiency of which are hereby acknowledged,
Lender, Borrower and Guarantors hereby agree as follows:

1. Recitals. The foregoing recitals are true and correct and are incorporated herein
by this reference.

2. Capitalized Terms. All capitalized terms contained in this Modification shall have
the same meaning afforded to them in the Note, Loan Documents and Guaranty Documents.

3. Specific Modifications to Documents.

	 	a.	 	The Note, each of the Loan Documents and each of the
Guaranty Documents are hereby modified to reflect that the maximum
availability under the terms of the Loan is hereby decreased from
$2,000,000 to $1,250,000.

	 
	 	b.	 	The Maturity Date of the Loan and the Note is hereby
extended from December 1, 2008 to June 30, 2009.

	 
	 	c.	 	The Note is hereby modified to provide that interest
shall continue to accrue thereunder at the greater of (i) the “prime
rate” of Lender (as defined on the face of the Note) plus one and one
half percent (1.5%) per annum, or (ii) six and three quarters percent
(6.75%), and shall be adjusted daily with changes in the prime rate
during the term of the Note in the event the prime rate of Lender shall
be greater than five and one quarter percent (5.25%).

	 
	 	d.	 	The following new paragraph 23 is hereby added to the
Security Agreement and each of the Guarantor Security Agreements and
shall be in full force and effect as of the date of this Modification:

	 	 	 	In Lender’s sole and absolute discretion, and not in
lieu of or in limitation of any other provision
contained in this Agreement or any of the Loan
Documents, Lender shall have the right at all times
to (i) require Pledgor to notify each person who is
or who may become obligated under or on account of an
Account in favor of Pledgor (each such person being
referred to herein as an “Account Debtor”) or, (ii)
in Lender’s sole and absolute discretion, directly
notify such Account Debtor, that all Accounts of
Pledgor have been assigned to Lender and to collect
Accounts directly in Lender’s own name. The deposits
of all such proceeds of the Accounts shall be
deposited in kind in a special deposit account
established by Pledgor with Lender, over which Lender
shall have sole and exclusive access and control for
withdrawal purposes (the “Dominion Account”)
pursuant to a lock-box arrangement with Lender. All
funds deposited in the Dominion Account shall
immediately become the property of Lender. Lender
assumes no responsibility for such lockbox
arrangement, including, without limitation, any claim
of accord and satisfaction or release with respect to
deposits made within the Dominion
Account. Lender shall have no duty to protect,
ensure, collect or realize upon the Accounts or
preserve rights in them. Lender shall be entitled to
charge any and all collection costs and expenses,
including attorneys fees, related to the Dominion
Account to Borrower.

	 	e.	 	In the connection with the execution of this Modification,
Borrower shall pay to Lender a loan extension fee in the amount of $6,250.00.

 

3

 

4. No Impairment. Borrower and Guarantors agree that the terms and provisions hereof
shall in no manner impair, limit, restrict or otherwise affect the obligations of Borrower and
Guarantors to Lender or the priority of any lien evidenced by the Note, the Loan Documents or the
Guaranty Documents, except as modified hereby.

5. No Defenses. Borrower and Guarantors acknowledge that they have no offsets,
claims, counterclaims or defenses against Lender or under any of their obligations contained in the
Note, the Loan Documents or the Guaranty Documents and to the extent any such offsets, claims,
counterclaims, or defenses exist, the same are hereby waived by the Borrower and Guarantors.

6. Ratification. Except as amended hereby, each and every term and provision of the
Note, the Loan Documents and the Guaranty Documents are hereby ratified and affirmed by Borrower
and Guarantors and shall remain in full force and effect. The Guarantors hereby specifically
acknowledge and consent to the extension of the Maturity Date from December 1, 2008 to June 30,
2009, as well as the prior release by Lender of (i) all of Lender’s collateral interest with
respect to Borrower’s interest in Horizon Software International, LLC, (ii) all of Lender’s
collateral interest in certain of the primary assets of QS Technologies, Inc. and (iii) all of
Lender’s collateral interest and certain of the primary assets of Visaer, Inc.

7. No Novation. It is the intention of the parties hereto that the execution and
delivery of this Modification shall in no way constitute a novation or extinguishment of the debt
evidenced by the Note, Loan Documents or the Guaranty Documents.

8. Effect of Modification. In signing this Modification, the parties hereto expressly
certify and covenant that they have carefully read all provisions contained herein, have had an
opportunity to consult with legal counsel of their choosing and to consider the ramifications and
terms of this Modification, and they have voluntarily signed this Modification with the
understanding that it will be final and binding as to their interests and they have had a
sufficient opportunity to review the Modification and consult with counsel of their choice prior to
making such decision to execute this Modification. The parties hereby represent and warrant that
this Modification is executed without reliance on any statement or representation of the other,
except as expressly set forth in the within and foregoing Modification, and this Modification
constitutes the entire Modification between the parties hereto and that no promise or inducement or
consideration, other than that expressed in the within and foregoing Modification, has been offered
or accepted and all such prior inducements or considerations are deemed merged herein.

[REMAINDER OF PAGE INTENTIONALLY LEFT BLANK]

[SIGNATURES COMMENCE ON FOLLOWING PAGE]

 

4

 

IN WITNESS WHEREOF, Borrower, Guarantors and Lender have set their hands and seals to this
Seventh Modification as of the day and year first above-written.

	 	 	 	 	 	 	 
	 	 	BORROWER:	 	 
	 
	 	 	INTELLIGENT SYSTEMS CORPORATION,	 	 
	 	 	a Georgia corporation	 	 
	 
	 	 	 	 	 	 
	 

	 	By:
	 	/s/ J. Leland Strange	 	 
	 

	 	 	 	 	 	 
	 

	 	
	 	Title: Pres.	 	 
	 

	 	
	 	Attest: /s/ Bonnie L. Herron	 	 
	 

	 	
	 	Title: Sec.	 	 
	 
	 	 	 	 	 	 
	 	 	[CORPORATE SEAL]
	 	 
	 
	 	 	 	 	 	 
	 	 	GUARANTORS:	 	 
	 
	 	 	QS TECHNOLOGIES, INC., a Georgia corporation	 	 
	 
	 	 	 	 	 	 
	 

	 	By:
	 	/s/ J. Leland Strange	 	 
	 

	 	 	 	 	 	 
	 

	 	
	 	Title: Pres.	 	 
	 

	 	
	 	Attest: /s/ Bonnie L. Herron	 	 
	 

	 	
	 	Title: Sec.	 	 
	 
	 	 	 	 	 	 
	 	 	[CORPORATE SEAL]
	 	 
	 
	 	 	 	 	 	 
	 	 	VISAER, INC., a Delaware corporation	 	 
	 
	 	 	 	 	 	 
	 

	 	By:
	 	/s/ Bonnie L. Herron	 	 
	 

	 	 	 	 	 	 
	 

	 	
	 	Title: Sec.	 	 
	 

	 	
	 	Attest: /s/ J. Leland Strange	 	 
	 

	 	
	 	Title: Director	 	 
	 
	 	 	 	 	 	 
	 	 	[CORPORATE SEAL]
	 	 
	 
	 	 	 	 	 	 
	 	 	CORECARD SOFTWARE, INC.,	 	 
	 	 	a Delaware corporation	 	 
	 
	 	 	 	 	 	 
	 

	 	By:
	 	/s/ J. Leland Strange	 	 
	 

	 	 	 	 	 	 
	 

	 	
	 	Title: Pres.	 	 
	 

	 	
	 	Attest: /s/ Bonnie L Herron	 	 
	 

	 	
	 	Title: Sec.	 	 
	 
	 	 	 	 	 	 
	 	 	[CORPORATE SEAL]
	 	 
	 
	 	 	 	 	 	 
	 	 	CHEMFREE CORPORATION,	 	 
	 	 	a Georgia corporation	 	 
	 
	 	 	 	 	 	 
	 

	 	By:
	 	/s/ Francis A. Marks	 	 
	 

	 	 	 	 	 	 
	 

	 	
	 	Title: Pres.	 	 
	 

	 	
	 	Attest: /s/ Bonnie L. Herron	 	 
	 

	 	
	 	Title: Sec.	 	 
	 
	 	 	 	 	 	 
	 	 	[CORPORATE SEAL]
	 	 
	 
	 	 	 	 	 	 
	(SIGNATURES CONTINUED ON FOLLOWING PAGE)

	 
	 	 	 	 	 	 
	(SIGNATURE PAGE TO SEVENTH MODIFICATION TO LOAN DOCUMENTS)

 

5

 

	 	 	 	 	 	 	 
	 	 	LENDER:	 	 
	 
	 	 	 	 	 	 
	 	 	FIDELITY BANK,	 	 
	 	 	a Georgia state chartered bank	 	 
	 	 	(f/k/a Fidelity National Bank)	 	 
	 
	 	 	 	 	 	 
	 

	 	By:
	 	/s/ Ray Zavacki	 	 
	 

	 	 	 	 	 	 
	 

	 	
	 	Title: Vice President	 	 
	 
	 	 	 	 	 	 
	 	 	(BANK SEAL)
	 	 

 

6

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