Document:

First Addendum to Credit Agreement

 Exhibit 10.23 
 FIRST ADDENDUM 
 TO 

CREDIT AGREEMENT 
 This First Addendum to Credit Agreement (“First Addendum”) is made this 7th day of July, 2008, between Wells Fargo Bank, National Association (“Bank”) and Cancer Genetics, Inc.
(“Borrower”). 
 RECITALS: 
  

	A.	The Bank and the Borrower entered into a Credit Agreement, dated April 29, 2008 (the “Credit Agreement”). Borrowings under the Credit Agreement are
currently evidenced by a $ 1,500,000.00 revolving line of credit note, dated April 29, 2008 (“Existing Revolving Note”). 

  

	B.	As of July 7, 2008, there is owed on the Existing Revolving Note the principal amount of One Million Five Hundred Thousand Dollars ($1,500,000) plus accrued,
unpaid interest. 

  

	C.	The Borrower has requested that the Bank increase the Line to Three Million Five Hundred Thousand Dollars ($3,500,000.00). 

 

	D.	The Bank and the Borrower wish to amend the Credit Agreement pursuant to the terms of this First Addendum. 

NOW, THEREFORE, in consideration of the premises and mutual covenants contained herein it is agreed: 

 

	1.	All terms not otherwise defined in this First Addendum shall have the meaning given to such term in the Credit Agreement, as amended. The recital paragraphs are hereby
incorporated as though fully set forth in this First Addendum. 

  

	2.	Notwithstanding the execution of the Credit Agreement or any addendum thereto, or the delivery of all documents in furtherance thereof, the obligation of the Bank to
make any advance on the Line and this First Addendum becoming effective shall be subject to the timely satisfaction of the following conditions precedent: 

  

	 	a)	No event of default or event which will mature into an event of default, shall have occurred and be continuing. 

 

	 	b)	The representations and warranties of the Borrower contained in the Documents shall be true and correct as of the date of any advance on the Line.

  

	 	c)	The Borrower shall have delivered to the Bank copies, duly certified as of the date of this First Addendum by the Borrower’s secretary of (i) the resolutions
of Borrower’s board of directors authorizing the execution and delivery of this First Addendum and the Documents required by this First Addendum, (ii) all documents evidencing other necessary Borrower action, and (iii) all approvals
or consents required, if any, with respect to the Documents. 

  

	 	d)	The Borrower shall have delivered to the Bank a certificate of its secretary certifying the name(s) of the person(s) authorized to sign this First Addendum and the
Documents, and all other documents and certificates of the Borrower to be delivered hereunder, together with the true signatures of such person(s). 

  
 1 

	 	e)	The Borrower shall have delivered the Documents and the agreements listed below, each of which shall be in a form and content satisfactory to the Bank, executed by the
parties specified therein, and all other documents, certificates, opinions and statements requested by the Bank: 

  

	 	i.	This First Addendum. 

  

	 	ii.	The revolving note attached hereto as Exhibit “A” (“New Revolving Note”) which shall evidence the Borrower’s obligation to repay advances made
under the Line (as defined below). Upon this First Addendum becoming effective, the New Revolving Note will replace, but not be deemed to satisfy, the Existing Revolving Note. 

 

	 	f)	The Bank shall have received from John Pappajohn the (i) Consent to First Addendum to Credit Agreement and Ratification of Guaranty attached hereto as Exhibit
“B” (“Pappajohn Consent”) and (ii) the guaranty attached to the Pappajohn Consent as Exhibit “A” (“Pappajohn Guaranty”). 

 

	 	g)	The Bank shall have received a letter, in the form attached as Exhibit “C” (the “Guarantor’s Letter”), from the Facility Guarantor (as that
term is defined in such letter). 

  

	 	h)	The Borrower shall have reimbursed the Bank for all expenses incurred by it in connection with this First Addendum, including but not limited to, attorney’s fees.

  

	3.	Section 1.1 (Line of Credit Amount) of the Credit Agreement is hereby deleted and the following new Section 1.1 is substituted in lieu thereof:

  

	 	1.1	Line of Credit Amount. During the Line Availability Period defined below, the Bank agrees to provide a revolving line of credit (the “Line”) to the
Borrower. Outstanding amounts under the Line will not, at any one time, exceed THREE MILLION FIVE HUNDRED THOUSAND DOLLARS AND 00/100 DOLLARS ($3,500,000.00). 

 

	4.	The Borrower does hereby release and forever discharge Wells Fargo Bank, National Association, Wells Fargo & Company, and their respective affiliates and
their officers, directors, attorneys, agents, employees, successors and assigns from all causes of action, suits, claims and demands of every kind and character, liquidated or unliquidated, fixed, contingent, direct or indirect without limit,
including any action in law or equity, which the Borrower now has or may ever have had against them, if the circumstances giving rise to such causes of action, suits, claims and demands arose prior to the date of this First Addendum.

  

	5.	Except as modified by this First Addendum, all the terms and conditions of the Credit Agreement, as amended, shall remain in full force and effect.

  

	6.	This First Addendum may be executed in one or more identical counterparts, which, when executed by all parties, shall constitute one and the same agreement.

  

	7.	The Credit Agreement, as amended, embodies the entire agreement and understanding between the Borrower and the Bank with respect to the subject matter thereof and
supersedes all prior agreements and understandings among such parties with respect to the subject matters thereof. 

IMPORTANT: READ BEFORE SIGNING. THE TERMS OF THIS AGREEMENT SHOULD BE 

  
 2 

 
READ CAREFULLY BECAUSE ONLY THOSE TERMS IN WRITING ARE ENFORCEABLE. NO OTHER TERMS OR ORAL PROMISES NOT CONTAINED IN THIS WRITTEN CONTRACT MAY BE LEGALLY ENFORCED. YOU MAY CHANGE THE TERMS OF
THIS AGREEMENT ONLY BY ANOTHER WRITTEN AGREEMENT. THIS NOTICE ALSO APPLIES TO ANY OTHER CREDIT AGREEMENTS (EXCEPT CONSUMER LOANS OR OTHER EXEMPT TRANSACTIONS) NOW IN EFFECT BETWEEN YOU AND THIS LENDER. 

THE BORROWER HEREBY KNOWINGLY, VOLUNTARILY AND INTENTIONALLY WAIVES THE RIGHT IT MAY HAVE TO A TRIAL BY JURY IN RESPECT OF ANY LITIGATION BASED
HEREON, OR ARISING OUT OF, UNDER OR IN CONNECTION WITH THIS AGREEMENT AND ANY AGREEMENT CONTEMPLATED TO BE EXECUTED IN CONJUNCTION HEREWITH, OR ANY COURSE OF CONDUCT, COURSE OF DEALING, STATEMENTS, WHETHER VERBAL OR WRITTEN, OR ACTIONS OF EITHER
PARTY. 
 IN WITNESS WHEREOF, the parties have executed this First Addendum as of the day and year first above written.

  

			
	BANK:
	
	WELLS FARGO BANK, NATIONAL ASSOCIATION
		
	By	 	 /s/ Rebecca Gibson

		 	Rebecca Gibson, Vice President
	
	BORROWER:
	
	CANCER GENETICS, INC.
		
	By:	 	 /s/ Louis J. Maione

		
	Its:	 	 Pres & CEO

  
 3 

					
	

	 	 Wells Fargo Bank,

National Association
	  	Revolving Note
	 
			
	$3,500,000.00	 		  	July 7, 2008

 FOR VALUE RECEIVED, Cancer Genetics, Inc. (the “Borrower”) promises to pay to the order of Wells Fargo
Bank, National Association (the “Bank”), at its principal office or such other address as the Bank or holder may designate from time to time, the principal sum of THREE MILLION FIVE HUNDRED THOUSAND AND 00/100 DOLLARS ($3,500,000.00), or
the amount shown on the Bank’s records to be outstanding, plus interest (calculated on the basis of actual days elapsed in a 360-day year) accruing on the unpaid balance at the annual interest rate defined below. Absent manifest error the
Bank’s records will be conclusive evidence of the principal and accrued interest owing hereunder. 
 This Revolving Note is issued pursuant
to a Credit Agreement of even date herewith between the Bank and the Borrower (the “Agreement”). The Agreement, and any amendments or substitutions thereto, contain additional terms and conditions including default and acceleration
provisions. The terms of the Agreement are incorporated into this Revolving Note by reference. Capitalized terms not expressly defined herein shall have the meanings given them in the Agreement. 

INTEREST RATE 
 Interest Rate. The
principal balance outstanding under this Revolving Note will bear interest at an annual rate equal to the Prime Rate in effect from time to time. “Prime Rate” means at any time the rate of interest most recently announced within Bank at
its principal office in Des Moines, Iowa as its Prime Rate, with the understanding that the Prime Rate is one of Bank’s base rates and serves as the basis upon which effective rates of interest are calculated for those loans making reference
thereto, and is evidenced by the recording thereof after its announcement in such internal publication or publications as Bank may designate. Each change in rate of interest hereunder shall become effective on the date each Prime Rate change is
announced within Bank. 
 REPAYMENT TERMS 
 Interest. Interest will be payable on the last day of each month, beginning July 30, 2008. 
 Principal. Principal, and any unpaid interest, will be payable in a single payment due on October 31, 2009. 
 ADDITIONAL TERMS AND CONDITIONS. The Borrower agrees to pay all costs of collection, including reasonable attorneys’ fees and legal expenses incurred by the Bank in the event this Revolving
Note is not duly paid. Demand, presentment, protest and notice of nonpayment and dishonor of this Revolving Note are expressly waived. This Revolving Note will be governed by the substantive laws of the State of Iowa. 

 

			
	CANCER GENETICS, INC.
		
	By:	 	 /s/    Louis J.
Maione        

	Its:	 	 Pres & CEOSecond Addendum to Credit Agreement

 Exhibit 10.24 
 SECOND ADDENDUM 
 TO 

CREDIT AGREEMENT 
 This Second Addendum to Credit Agreement (“Second Addendum”) is made this 30th day of March, 2009, between Wells Fargo Bank, National Association (“Bank”) and Cancer Genetics, Inc.
(“Borrower”). 
 RECITALS: 
  

	A.	The Bank and the Borrower entered into a Credit Agreement, dated April 29, 2008 (the “Credit Agreement”), as amended by a First Addendum to Credit
Agreement dated July 7, 2008. Borrowings under the Credit Agreement are currently evidenced by a $3,500,000.00 revolving line of credit note, dated July 7, 2008 (“Existing Revolving Note”). 

 

	B.	As of March 30, 2009, there is owed on the Existing Revolving Note the principal amount of Three Million Four Hundred Twenty-Five Thousand Dollars ($3,425,000)
plus accrued, unpaid interest. 

  

	C.	The Borrower has requested that the Bank increase the Line to Four Million Five Hundred Thousand Dollars ($4,500,000.00). 

 

	D.	The Bank and the Borrower wish to amend the Credit Agreement pursuant to the terms of this Second Addendum. 

NOW, THEREFORE, in consideration of the premises and mutual covenants contained herein it is agreed: 

 

	1.	All terms not otherwise defined in this Second Addendum shall have the meaning given to such term in the Credit Agreement, as amended. The recital paragraphs are hereby
incorporated as though fully set forth in this Second Addendum. 

  

	2.	Notwithstanding the execution of the Credit Agreement or any addendum thereto, or the delivery of all documents in furtherance thereof, the obligation of the Bank to
make any advance on the Line and this Second Addendum becoming effective shall be subject to the timely satisfaction of the following conditions precedent: 

 

	 	a)	No event of default or event which will mature into an event of default, shall have occurred and be continuing. 

 

	 	b)	The representations and warranties of the Borrower contained in the Documents shall be true and correct as of the date of any advance on the Line.

  

	 	c)	The Borrower shall have delivered to the Bank copies, duly certified as of the date of this Second Addendum by the Borrower’s secretary of (i) the resolutions
of Borrower’s board of directors authorizing the execution and delivery of this Second Addendum and the Documents required by this Second Addendum, (ii) all documents evidencing other necessary Borrower action, and (iii) all approvals
or consents required, if any, with respect to the Documents. 

  

	 	d)	The Borrower shall have delivered to the Bank a certificate of its secretary certifying the name(s) of the person(s) authorized to sign this Second Addendum and the
Documents, and all other documents and certificates of the Borrower to be delivered hereunder, together with the true signatures of such person(s). 

  
 1 

	 	e)	The Borrower shall have delivered the Documents and the agreements listed below, each of which shall be in a form and content satisfactory to the Bank, executed by the
parties specified therein, and all other documents, certificates, opinions and statements requested by the Bank: 

  

	 	i.	This Second Addendum. 

  

	 	ii.	The revolving note attached hereto as Exhibit “A” (“New Revolving Note”) which shall evidence the Borrower’s obligation to repay advances made
under the Line (as defined below). Upon this Second Addendum becoming effective, the New Revolving Note will replace, but not be deemed to satisfy, the Existing Revolving Note. 

 

	 	f)	The Bank shall have received from John Pappajohn the (i) Consent to Second Addendum to Credit Agreement and Ratification of Guaranty attached hereto as Exhibit
“B” (“Pappajohn Consent”) and (ii) the guaranty attached to the Pappajohn Consent as Exhibit “A” (“Pappajohn Guaranty”). 

 

	 	g)	The Bank shall have received a letter, in the form attached as Exhibit “C” (the “Guarantor’s Letter”), from the Facility Guarantor (as that
term is defined in such letter). 

  

	 	h)	The Borrower shall have reimbursed the Bank for all expenses incurred by it in connection with this Second Addendum, including but not limited to, attorney’s fees.

  

	3.	Section 1.1 (Line of Credit Amount) of the Credit Agreement is hereby deleted and the following new Section 1.1 is substituted in lieu thereof:

  

	 	1.1	Line of Credit Amount. During the Line Availability Period defined below, the Bank agrees to provide a revolving line of credit (the “Line”) to the
Borrower. Outstanding amounts under the Line will not, at any one time, exceed FOUR MILLION FIVE HUNDRED THOUSAND DOLLARS AND 00/100 DOLLARS ($4,500,000.00). 

 

	4.	The Borrower does hereby release and forever discharge Wells Fargo Bank, National Association, Wells Fargo & Company, and their respective affiliates and
their officers, directors, attorneys, agents, employees, successors and assigns from all causes of action, suits, claims and demands of every kind and character, liquidated or unliquidated, fixed, contingent, direct or indirect without limit,
including any action in law or equity, which the Borrower now has or may ever have had against them, if the circumstances giving rise to such causes of action, suits, claims and demands arose prior to the date of this Second Addendum.

  

	5.	Except as modified by this Second Addendum, all the terms and conditions of the Credit Agreement, as amended, shall remain in full force and effect.

  

	6.	This Second Addendum may be executed in one or more identical counterparts, which, when executed by all parties, shall constitute one and the same agreement.

  

	7.	The Credit Agreement, as amended, embodies the entire agreement and understanding between the Borrower and the Bank with respect to the subject matter thereof and
supersedes all prior agreements and understandings among such parties with respect to the subject matters thereof. 

  
 2 

 IMPORTANT: READ BEFORE SIGNING. THE TERMS OF THIS AGREEMENT SHOULD BE READ CAREFULLY BECAUSE ONLY THOSE
TERMS IN WRITING ARE ENFORCEABLE. NO OTHER TERMS OR ORAL PROMISES NOT CONTAINED IN THIS WRITTEN CONTRACT MAY BE LEGALLY ENFORCED. YOU MAY CHANGE THE TERMS OF THIS AGREEMENT ONLY BY ANOTHER WRITTEN AGREEMENT. THIS NOTICE ALSO APPLIES TO ANY OTHER
CREDIT AGREEMENTS (EXCEPT CONSUMER LOANS OR OTHER EXEMPT TRANSACTIONS) NOW IN EFFECT BETWEEN YOU AND THIS LENDER. 
 THE BORROWER HEREBY
KNOWINGLY, VOLUNTARILY AND INTENTIONALLY WAIVES THE RIGHT IT MAY HAVE TO A TRIAL BY JURY IN RESPECT OF ANY LITIGATION BASED HEREON, OR ARISING OUT OF, UNDER OR IN CONNECTION WITH THIS AGREEMENT AND ANY AGREEMENT CONTEMPLATED TO BE EXECUTED IN
CONJUNCTION HEREWITH, OR ANY COURSE OF CONDUCT, COURSE OF DEALING, STATEMENTS, WHETHER VERBAL OR WRITTEN, OR ACTIONS OF EITHER PARTY. 
 IN WITNESS WHEREOF, the parties have executed this Second Addendum as of the day and year first above written. 
  

			
	BANK:
	
	WELLS FARGO BANK, NATIONAL ASSOCIATION
		
	By	 	 /s/    Rebecca
Gibson        

		 	Rebecca Gibson, Vice President
	
	BORROWER:
	
	CANCER GENETICS, INC.
		
	By:	 	 /s/    Louis J.
Maione        

	Its:	 	 President

  
 3 

 Exhibit A 

 

					
	

	  	 Wells Fargo Bank,

National Association
	  	Revolving Note

 
  

					
		
	$4,500,000.00	  	March 30, 2009

 FOR VALUE RECEIVED, Cancer Genetics, Inc. (the “Borrower”) promises to pay to the order of
Wells Fargo Bank, National Association (the “Bank”), at its principal office or such other address as the Bank or holder may designate from time to time, the principal sum of FOUR MILLION FIVE HUNDRED THOUSAND AND 00/100 DOLLARS
($4,500,000.00), or the amount shown on the Bank’s records to be outstanding, plus interest (calculated on the basis of actual days elapsed in a 360-day year) accruing on the unpaid balance at the annual interest rate defined below. Absent
manifest error the Bank’s records will be conclusive evidence of the principal and accrued interest owing hereunder. 
 This Revolving Note
is issued pursuant to a Credit Agreement of even date herewith between the Bank and the Borrower (the “Agreement”). The Agreement, and any amendments or substitutions thereto, contain additional terms and conditions including default and
acceleration provisions. The terms of the Agreement are incorporated into this Revolving Note by reference. Capitalized terms not expressly defined herein shall have the meanings given them in the Agreement. 

INTEREST RATE 
 Interest
Rate. The principal balance outstanding under this Revolving Note will bear interest at an annual rate equal to the Prime Rate in effect from time to time. “Prime Rate” means at any time the rate of interest most recently
announced within Bank at its principal office in Des Moines, Iowa as its Prime Rate, with the understanding that the Prime Rate is one of Bank’s base rates and serves as the basis upon which effective rates of interest are calculated for those
loans making reference thereto, and is evidenced by the recording thereof after its announcement in such internal publication or publications as Bank may designate. Each change in rate of interest hereunder shall become effective on the date each
Prime Rate change is announced within Bank. 
 REPAYMENT TERMS 
 Interest. Interest will be payable on the last day of each month, beginning April 30, 2009. 
 Principal. Principal, and any unpaid interest, will be payable in a single payment due on October 31, 2009. 
 ADDITIONAL TERMS AND CONDITIONS. The Borrower agrees to pay all costs of collection, including reasonable attorneys’ fees and legal expenses incurred by the Bank in the event
this Revolving Note is not duly paid. Demand, presentment, protest and notice of nonpayment and dishonor of this Revolving Note are expressly waived. This Revolving Note will be governed by the substantive laws of the State of Iowa. 

 

			
	CANCER GENETICS, INC.
		
	By:	 	 
	Its:	 	  

 Exhibit B 

CONSENT TO SECOND ADDENDUM TO CREDIT AGREEMENT 
 and 
 RATIFICATION OF GUARANTY 

THIS CONSENT TO SECOND ADDENDUM TO CREDIT AGREEMENT and RATIFICATION OF GUARANTY (“Consent and Ratification”) is made by John Pappajohn
(“Personal Guarantor”) and delivered to Wells Fargo Bank, National Association (“Bank”) effective as of March 30, 2009. 

RECITALS: 
  

	A.	Cancer Genetics, Inc. (“Borrower”) and the Bank entered into a Credit Agreement, dated as of April 29, 2008, as amended from time to time (“Credit
Agreement”) pursuant to which the Bank has made the Line available to the Borrower. The Borrower has requested that the Bank increase the Line, as evidenced by a promissory note, dated March 30, 2009, in the original principal amount of Four
Million Five Hundred Thousand Dollars ($4,500,000.00) (“New Revolving Note”). In conjunction with the New Revolving Note, the Borrower and Bank entered into a Second Addendum to Credit Agreement, dated as of March 30, 2009 (the
“Second Addendum”). 

  

	B.	At the Borrower’s request, the Personal Guarantor has agreed to (i) unconditionally guaranty the repayment of the New Revolving Note pursuant to a written
guaranty, dated March 30, 2009, a copy of which is attached hereto as Exhibit “A” (the “Guaranty”) and (ii) authorizes the Bank to make, upon the occurrence of an Event of Default, an advance under the Personal Guarantor’s
personal line of credit at the Bank and use the proceeds of such advance to reduce the Borrower’s obligations under the New Revolving Note. 

  

	C.	The Bank has agreed to increase the Line in accordance with the terms of the Second Addendum, provided that all of the conditions precedent set out in the Second
Addendum are satisfied in full, including, without limitation, the execution and delivery to the Bank of (i) the Guaranty and (ii) this Consent and Ratification by the Personal Guarantor. 

NOW THEREFORE, the Personal Guarantor agrees: 
  

	1.	The Recital Paragraphs are incorporated in this Consent and Ratification as though fully set forth herein. The Personal Guarantor has been provided with a copy of the
New Revolving Note and Second Addendum and acknowledges receipt of the same. 

  

	2.	The Personal Guarantor hereby consents to the Second Addendum and the New Revolving Note. 

 

	3.	The Personal Guarantor hereby ratifies the Guaranty and acknowledges that the Guaranty is in full force and effect with respect to the obligations secured by the
Guaranty, including all extensions, renewals, replacements or refinancing thereof, which may be owed by the Borrower to the Bank now or in the future. 

  

	4.	 The Personal Guarantor hereby acknowledges and agrees that his personal line of credit with the Bank that is evidenced by a promissory note, dated
March 30, 2009, as amended and/or modified, in the principal amount of $8,000,000 (and any extensions, renewals, replacements or refinancings thereof) (“Personal Guarantor Line of Credit”) will be reduced by Four Million Five Hundred
Thousand Dollars ($4,500,000.00) to effect the Personal Guarantor’s support of the New Revolving Note and all extensions, renewals, replacements or refinancings thereof. The Personal Guarantor further agrees that upon (i) a default by the
Borrower under the terms of the Credit Agreement and/or 

	 	
the New Revolving Note or (ii) the maturity date of the New Revolving Note, the Bank is hereby authorized to make an advance under the Personal Guarantor Line of Credit and apply the proceeds of
such advance to the New Revolving Note. 

 The Guarantor further agrees that in the event the Personal Guarantor
Line of Credit is not renewed or extended upon its expiration or is otherwise terminated, the Guarantor shall provide to the Bank a standby letter of credit, or some other form of collateral that would be acceptable to the Bank in its sole
discretion in support of the obligations owed by the Borrower under the New Revolving Note, issued by a banking institution acceptable to the Bank in an amount not less than Four Million Five Hundred Thousand Dollars ($4,500,000.00), naming the Bank
as the beneficiary thereunder. 
  

	5.	Except for “Core Proceedings” under the United States Bankruptcy Code, the Bank and the Personal Guarantor agree to submit to binding arbitration all claims,
disputes and controversies between or among them, whether in tort, contract or otherwise (and their respective employees, officers, directors, attorneys, and other agents) arising out of or relating to in any way the Guaranty, this Consent and
Ratification, the Credit Agreement, the New Revolving Note and/or other documents and agreements executed in conjunction therewith and their negotiation, execution, collateralization, administration, repayment, modification, extension, substitution,
formation, inducement, enforcement, default or termination. Any arbitration proceeding will (i) proceed in Des Moines, Iowa; (ii) be governed by the Federal Arbitration Act (Title 9 of the United States Code); and (iii) be conducted in accordance
with the Commercial Arbitration rules of the American Arbitration Association (“AAA”). 

 This
arbitration requirement does not limit the right of either party to (i) foreclose against collateral; (ii) exercise self-help remedies relating to collateral or proceeds of collateral such as setoff or repossession; or (iii) obtain provisional
ancillary remedies such as replevin, injunctive relief, attachment or the appointment of a receiver, before, during or after the pendency or any arbitration proceeding. This exclusion does not constitute a waiver of the right or obligation of either
party to submit any dispute to arbitration, including those arising from the exercise of the actions detailed in sections (i), (ii) and (iii) of this Section. 
 Any arbitration proceeding will be before a single arbitrator selected according to the Commercial Arbitration Rules of the AAA. The arbitrator will be a neutral attorney who has practiced in the area of
commercial law for a minimum of ten years. The arbitrator will determine whether or not an issue is arbitratable and will give effect to the statutes of limitation in determining any claim. Judgment upon the award rendered by the arbitrator may be
entered in any court having jurisdiction. 
 In any arbitration proceeding the arbitrator will decide (by documents only or with
a hearing at the arbitrator’s discretion) any pre-hearing motions which are similar to motions to dismiss for failure to state a claim or motions for summary adjudication. 
 In any arbitration proceeding, discovery will be permitted and will be governed by the Iowa Rules of Civil Procedure. All discovery must be completed no later than 20 days before the hearing date and
within 180 days of the commencement of arbitration proceedings. Any requests for an extension of the discovery periods, or any discovery disputes, will be subject to final determination by the arbitrator upon a showing that the request for discovery
is essential for the party’s presentation and that no alternative means for obtaining information is available. 
 The
arbitrator shall award costs and expenses of the arbitration proceeding in accordance with the provisions of the New Revolving Note. 

  
 2 

 This Section shall survive the payment of all obligations to the Bank. 

 

	6.	This Consent and Ratification shall be binding upon and inure to the benefit of the Personal Guarantor and the Bank and their respective successors and assigns.

  

	7.	This Consent and Ratification shall be construed in accordance with the laws of Iowa applicable to contracts performed entirely within the State. Any action to enforce
the provisions of this Consent and Ratification or arising from the actions of any party in connection therewith, shall be brought in the United States District Court for the Southern District of Iowa or in the Iowa District Court in Polk County,
Iowa, except such action as may be necessary by the Bank to protect, preserve and realize its security interest in collateral located in another jurisdiction. 

 

	8.	The Guarantor does hereby release and forever discharge the Bank, Wells Fargo & Company and their respective affiliates and their officers, directors, attorneys,
agents, employees, successors and assigns from all causes of action, suits, claims and demands of every kind and character, liquidated or unliquidated, fixed, contingent, direct or indirect without limit, including any action in law or equity, which
the Guarantor now has or may ever have had against them, if the circumstances giving rise to such causes of action, suits, claims and demands (a) are related in any manner whatsoever to the transactions which are the subject of this Consent and
Ratification and (b) arose prior to the date of this Consent and Ratification. 

 IMPORTANT: READ BEFORE SIGNING. THE TERMS
OF THIS AGREEMENT SHOULD BE READ CAREFULLY BECAUSE ONLY THOSE TERMS IN WRITING ARE ENFORCEABLE. NO OTHER TERMS OR ORAL PROMISES NOT CONTAINED IN THIS WRITTEN CONTRACT MAY BE LEGALLY ENFORCED. YOU MAY CHANGE THE TERMS OF THIS AGREEMENT ONLY BY
ANOTHER WRITTEN AGREEMENT. THIS NOTICE ALSO APPLIES TO ANY OTHER CREDIT AGREEMENTS (EXCEPT CONSUMER LOANS OR OTHER EXEMPT TRANSACTIONS) NOW IN EFFECT BETWEEN YOU AND THIS LENDER. 
 IN WITNESS WHEREOF, this Consent and Ratification was executed effective as of the day and year first above written. 
  

	
	  

	John Pappajohn

  
 3 

 Exhibit C 

 

					
	

	  	 Wells Fargo Bank,

National Association
	  	  
 Personal
Guaranty

  

 

			
		
	 Wells Fargo Bank, National Association
 666 Walnut Street, PO Box 837
 Des Moines, Iowa 50304-0837

(the “Bank”)
	  	 Cancer Genetics, Inc.
 228
River Vale Road
 River Vale, NJ 07675

(the “Borrower”)

 Dated: March 30, 2009 
 FOR VALUABLE CONSIDERATION, and to induce the Bank in its sole discretion to make loans or extend other accommodations to or for the account of the Borrower, the undersigned gives this Personal Guaranty
(the “Guaranty”), and absolutely and unconditionally guarantees to the Bank the full and prompt payment of each and every debt, liability or obligation of the Borrower to the Bank relating to or arising out of the Credit Agreement dated to
be effective April 29, 2008, as amended by a First Addendum to Credit Agreement dated July 7, 2008, and a Second Addendum to Credit Agreement dated March 30, 2009, together with any deposit account related overdrafts of the Borrower (All
such obligations, including but not limited to every promissory note, instrument, or other agreement given by the Borrower evidencing any such obligations, and any extensions, renewals, replacements or refinancings of same, to collectively be
referred to as the “Indebtedness”.) 
 This Guaranty is an absolute, unconditional and continuing guaranty of payment
of the Indebtedness and shall continue to be binding upon the undersigned, whether or not all Indebtedness is paid in full, until this Guaranty is revoked prospectively in writing as to future transactions. Such revocation shall not be effective
until actually received in writing by the Bank and then shall not be effective as to Indebtedness existing or committed to at the time of revocation, and shall not be effective as to renewals, extensions, or refinancings of existing Indebtedness,
whether such Indebtedness, is renewed before or after receipt of such notice of revocation. The death or incompetence of the undersigned shall not revoke this Guaranty until written notice of such death or incompetence is actually received by the
Bank, and then only prospectively as to future transactions as set forth above. 
 Notwithstanding the preceding paragraphs, the
liability of the undersigned under this Guaranty shall be limited to a principal amount of $4,500,000.00, plus accrued interest on the full amount of the Indebtedness and all attorneys’ fees, collection costs and enforcement expenses incurred
by the Bank in collecting on and enforcing its rights under the Indebtedness and incurred in connection with the protection, defense or enforcement of this Guaranty in any litigation or bankruptcy proceedings. The Indebtedness may be created and
continued in any amount, whether or not in excess of such principal amount, without reducing or impairing the liability of the undersigned under this Guaranty. Any payment made by the undersigned under this Guaranty shall be effective to reduce or
discharge the undersigned’s liability only if accompanied by a written transmittal document, received by the Bank and advising it that such payment is made under this Guaranty for such purpose. 

The undersigned further acknowledges and agrees with Bank that: 
 1. No act or event need occur to establish the liability of the undersigned under this Guaranty, and no act or event, except full payment and discharge of all Indebtedness, shall exonerate and discharge
the liability of the undersigned under this Guaranty. 

  
 1 

 2. If the undersigned dies or becomes insolvent (however defined) then the Bank may declare immediately due
and payable the obligations of the undersigned under this Guaranty, and the undersigned shall immediately pay to the Bank the full amount of all Indebtedness, whether due and payable or unmatured. If the undersigned voluntarily commences or there is
commenced involuntarily against the undersigned a case under the United States Bankruptcy Code, the obligations of the undersigned under this Guaranty shall immediately be due and payable without the necessity of demand or notice. 

3. The undersigned will not exercise or enforce any right of contribution, reimbursement, recourse or subrogation available to the undersigned against
the Borrower or any person liable for payment of the Indebtedness, or as to any collateral securing the Indebtedness, unless and until all of the Indebtedness shall have first been fully paid and discharged. 

4. The Bank may in its discretion enter into transactions resulting in the creation or continuance of Indebtedness, without notice to or the consent or
approval of the undersigned, regardless of whether or not any existing relationship between the Borrower and the undersigned has been revoked and regardless of whether this Guaranty has been revoked. 

5. The liability of the undersigned shall not be reduced or impaired by any of the following acts or events (which the Bank, after advance notification
to the Undersigned, is expressly authorized to do, omit or suffer from time to time, both before and after revocation of this Guaranty, without the consent or approval of the undersigned): (a) any acceptance of collateral security, guarantors,
accommodation parties or sureties for any or all of the Indebtedness; (b) any one or more extensions or renewals of Indebtedness (whether or not for a period longer than the original period) or any modification of the interest rate, maturity or
other contractual terms applicable to all or part of the Indebtedness; (c) any waiver or indulgence granted to Borrower, any delay or lack of diligence in the enforcement of the Indebtedness, or any failure to institute proceedings, file a claim,
give any required notices or otherwise protect any of the Indebtedness; (d) any full or partial release of, settlement with, or agreement not to sue, Borrower or any other guarantor or other person liable with respect to any of the Indebtedness; (e)
any discharge of any evidence of Indebtedness or the acceptance of any instrument renewing or refinancing the Indebtedness; (f) any failure to obtain collateral security (including rights of setoff) for the Indebtedness, or to assure its proper or
sufficient creation, perfection, or priority, or to protect, insure, or enforce any collateral security; or any modification, substitution, discharge, impairment, or loss of such collateral security; (g) any foreclosure or enforcement of any
collateral security by the Bank or any other creditor of the Borrower with a security interest in the collateral security; (h) any assignment or transfer of any Indebtedness or documentation evidencing the Indebtedness; (i) any order of application
of any payments or credits upon the Indebtedness from the Borrower, the undersigned, or any other person; and (j) any election by the Bank under §1111(b)(2) of the United States Bankruptcy Code. 

6. The undersigned waives any and all defenses, claims and discharges of Borrower, or any other obligor, pertaining to the Indebtedness, except the
defense of discharge by payment in full. Without limiting the generality of the preceding sentence, the undersigned will not assert, plead or enforce against the Bank any defense of waiver, release, discharge in bankruptcy, statute of limitations,
res judicata, statute of frauds, anti-deficiency statute, misrepresentation or fraud, incapacity, minority, usury, illegality or unenforceability which may be available to Borrower or 

  
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any other party liable for payment of any of the Indebtedness, or any setoff available against the Bank to Borrower or any such other person, whether or not on account of a related transaction.
The undersigned shall be liable for any deficiency remaining after foreclosure of any mortgage, deed of trust or security interest securing the Indebtedness, whether or not the liability of the Borrower or any other obligor for such deficiency is
discharged pursuant to statute or judicial decision. 
 7. The Bank may in its sole discretion demand that the undersigned discharge its
obligations under this Guaranty at any time, whether at the time of the scheduled or accelerated maturity of the Indebtedness or at any earlier or later time, and regardless of whether there has been a default with respect to the Indebtedness. The
Bank shall not be required to first resort for payment of the Indebtedness to the Borrower or to any other person or their properties, or to first enforce, realize upon, or exhaust any collateral security given to secure the Indebtedness before
enforcing this Guaranty. The undersigned waives presentment, demand for payment, notice of dishonor or nonpayment, and protest of any instrument evidencing part or all of the Indebtedness. 
 8. If any payment applied by the Bank to the Indebtedness is later set aside, recovered, rescinded or required to be returned for any reason (including, without limitation, the bankruptcy, insolvency or
reorganization of the Borrower or any other obligor), the Indebtedness to which such payment was applied shall for the purposes of this Guaranty be deemed to have continued in existence, notwithstanding such application, and this Guaranty shall be
enforceable as to such Indebtedness as fully as if such application had never been made. 
 9. The liability of the undersigned under this
Guaranty is in addition to and cumulative with all other liabilities of the undersigned to the Bank as a guarantor or otherwise, without limitation as to amount, unless the instrument or agreement evidencing or creating such other liability
specifically provides to the contrary. 
 10. This Guaranty shall be enforceable regardless of the failure of other persons to sign other
guaranties of the Indebtedness. This Guaranty shall be effective upon delivery to the Bank, without further act, condition or acceptance by the Bank, shall be binding upon the undersigned and the heirs, representatives, successors and assigns of the
undersigned for the benefit of the Bank and its participants, successors and assigns. Any invalidity or unenforceability of any provision or application shall not affect other lawful provisions and applications of this Guaranty, which is severable.
This Guaranty may not be waived, modified, amended, terminated, released or otherwise changed except by a writing signed by both the undersigned and the Bank. This Guaranty is issued in and shall be governed by the laws of the State of Iowa.

 WAIVER OF RIGHT TO TRIAL BY JURY 
 The undersigned hereby waives the right to a trial by jury in any action relating to this Guaranty 
 IN WITNESS WHEREOF, this Guaranty has been duly executed on the above date by the undersigned. Undersigned acknowledges receipt of a copy of this agreement. 

 

	
	  

	 John Pappajohn
 2116 Financial
Center
 666 Walnut Street
 Des Moines,
IA 50309-3923

  
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