Exhibit 10.17



 Exhibit 10.17 
 MASTER SECURITY AGREEMENT 
 No. 3081025 

 Dated as of May 27, 2003 (“Agreement”) 
 THIS AGREEMENT is between Oxford Finance Corporation (together with its successors and assigns, if any, “Secured
Party”) and StemCo Biomedical, Inc. (“Debtor”). Secured Party has an office at 133 N. Fairfax Street, Alexandria, VA 22314. Debtor is a corporation organized and existing under the laws of the state of Delaware.
Debtor’s mailing address and chief place of business is 2810 Meridian Parkway, Suite 148, Durham, NC 27713. 
  

	1.	CREATION OF SECURITY INTEREST. 

 Debtor grants to Secured Party, its successors and assigns, a security interest in and against all property listed on any collateral schedule now or in the future annexed to or made a part of this Agreement (“Collateral
Schedule”), and in and against all additions, attachments, accessories and accessions to such property, all substitutions, replacements or exchanges therefor, and all insurance and/or other proceeds thereof (all such property is
individually and collectively called the “Collateral”). This security interest is given to secure the payment and performance of all debts, obligations and liabilities of any kind whatsoever of Debtor to Secured Party, now existing
or arising in the future, including but not limited to the payment and performance of certain Promissory Notes from time to time identified on any Collateral Schedule (collectively “Notes” and each a “Note”), and
any renewals, extensions and modifications of such debts, obligations and liabilities (such Notes, debts, obligations and liabilities are called the “Indebtedness”). Unless otherwise provided by applicable law, notwithstanding
anything to the contrary contained in this Agreement, to the extent that Secured Party asserts a purchase money security interest in any items of Collateral (“PMSI Collateral”): (i) the PMSI Collateral shall secure only that
portion of the Indebtedness which has been advanced by Secured Party to enable Debtor to purchase, or acquire rights in or She use of such PMSI Collateral (the “PMSI Indebtedness”), and (ii) no other Collateral shall secure the
PMSI Indebtedness. 
  

	2.	REPRESENTATIONS, WARRANTIES AND COVENANTS OF DEBTOR. 

 Debtor represents, warrants and covenants as of the date of this Agreement and as of the date of each Collateral Schedule that: 
  

	 	(a)	Debtor’s exact legal name is as set forth in the preamble of this Agreement and Debtor is, and will remain, duly organized, existing and in good standing under the
laws of the State set forth in the preamble of this Agreement, has its chief executive offices at the location specified in the preamble, and is, and will remain, duly qualified and licensed in every jurisdiction wherever necessary to carry on its
business and operations; 

  

	 	(b)	Debtor has adequate power and capacity to enter into, and to perform its obligations under this Agreement, each Note and any other documents evidencing, or given in
connection with, any of the Indebtedness (all of the foregoing are called the “Debt Documents”); 

  

	 	(c)	This Agreement and the other Debt Documents have been duly authorized, executed and delivered by Debtor and constitute legal, valid and binding agreements enforceable
in accordance with their terms, except to the extent that the enforcement of remedies may be limited under applicable bankruptcy and insolvency laws; 

  

	 	(d)	No approval, consent or withholding of objections is required from any governmental authority or instrumentality with respect to the entry into, or performance by
Debtor of any of the Debt Documents, except any already obtained; 

  

	 	(e)	The entry into, and performance by, Debtor of the Debt Documents will not (i) violate any of the organizational documents of Debtor or any judgment, order, law or
regulation applicable to Debtor, or (ii) result in any breach of or constitute a default under any contract to which Debtor is a party, or result in the creation of any lien, claim or encumbrance on any of Debtor’s property (except for
liens in favor of Secured Party) pursuant to any indenture, mortgage, deed of trust, bank loan, credit agreement, or other agreement or instrument to which Debtor is a party; 

  

	 	(f)	There are no suits or proceedings pending in court or before any commission, board or other administrative agency against or affecting Debtor which reasonably could, in
the aggregate, have a material adverse effect on Debtor, its business or operations, or its ability to perform its obligations under the Debt Documents, nor does Debtor have reason to believe that any such suits or proceedings are threatened;


  

	 	(g)	All financial statements delivered to Secured Party in connection with the Indebtedness have been prepared in accordance with generally accepted accounting principles,
and since the date of the most recent financial statement, there has been no material adverse change in Debtors financial condition; 

  

	 	(h)	The Collateral is not, and will not be, used by Debtor for personal, family or household purposes; 

  

	 	(i)	The Collateral is, and will remain, in good condition and repair and Debtor will not be negligent in its care and use; 

  


	
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	 	(j)	All of the tangible Collateral is located at the locations set forth on each Collateral Schedule. Debtor shall give the Secured Party 30 days prior written notice of
any relocation of any Collateral; 

  

	 	(k)	Debtor is, and will remain, the sole and lawful owner, and in possession of, the Collateral, and has the sole right and lawful authority to grant the security interest
described in this Agreement; 

  

	 	(1)	The Collateral is, and will remain, free and clear of all liens, claims and encumbrances of any kind whatsoever, except for (i) liens in favor of Secured Party,
(ii) liens for taxes not yet due or for taxes being contested in good faith and which do not involve, in the judgment of Secured Party, any risk of the sale, forfeiture or loss of any of the Collateral, and (iii) inchoate material
men’s, mechanic’s, repairmen’s and similar liens arising by operation of law in the normal course of business for amounts which are not delinquent (all of such liens are called “Permitted Liens”).


  

	 	(m)	All federal, state and local tax returns required to be filed by Debtor have been filed with the appropriate governmental agencies and all taxes due and payable by
Debtor have been timely paid. Debtor will pay when due all taxes, assessments and other liabilities except as contested in good faith and by appropriate proceedings and for which adequate reserves have been established; 

  

	 	(n)	No event or condition exists under any material agreement, instrument or document to which Debtor is a party or may be subject, or by which Debtor or any of its
properties are bound, which constitutes a default or an event of default thereunder, or will, with the giving of notice, passage of time, or both, would constitute a default or event of default thereunder; 

  

	 	(o)	All reports, certificates, schedules, notices and financial information submitted by Debtor to the Secured Party pursuant to this Agreement shall be certified as true
and correct by the president or chief financial officer of Debtor; 

  

	 	(p)	Debtor shall give the Secured Party prompt written notice of any event, occurrence or other matter which has resulted or reasonably may result in a material adverse
change in its financial condition, business operations, product development, technology, or business or contractual relations with third parties of Debtor which would impair the ability of Debtor to perform its obligations hereunder or under any of
the other financing agreements to which it is a party or of Secured Party to enforce the Indebtedness or realize upon the Collateral; 

  

	3.	COLLATERAL. 

  

	 	(a)	Until the declaration of any default, Debtor shall remain in possession of the Collateral; except that Secured Party shall have the right to possess (i) any chattel
paper or instrument that constitutes a part of the Collateral, and (ii) any other Collateral in which Secured Party’s security interest may be perfected only by possession. Secured Party may inspect any of the Collateral during normal
business hours after giving Debtor reasonable prior notice. 

  

	 	(b)	Debtor shall (i) use the Collateral only in its trade or business, (ii) maintain all of the Collateral in good operating order and repair, normal wear and
tear excepted, (iii) use and maintain the Collateral only in compliance with manufacturers recommendations and all applicable laws, and (iv) keep all of the Collateral free and clear of all liens, claims and encumbrances (except for
Permitted Liens). 

  

	 	(c)	Secured Party does not authorize and Debtor agrees it shall not (i) part with possession of any of the Collateral (except to Secured Party or for maintenance and
repair), (ii) remove any of the Collateral from the continental United States, or (iii) sell, rent, lease, mortgage, license, grant a security interest in or otherwise transfer or encumber (except for Permitted Liens) any of the
Collateral. 

  

	 	(d)	Debtor shall pay promptly when due all taxes, license fees, assessments and public and private charges levied or assessed on any of the Collateral, on its use, or on
this Agreement or any of the other Debt Documents. At its option, Secured Party may discharge taxes, liens, security interests or other encumbrances at any time levied or placed on the Collateral and may pay for the maintenance, insurance and
preservation of the Collateral and effect compliance with the terms of this Agreement or any of the other Debt Documents. Debtor agrees to reimburse Secured Party, on demand, all costs and expenses incurred by Secured Party in connection with such
payment or performance and agrees that such reimbursement obligation shall constitute Indebtedness. 

  

	 	(e)	Debtor shall, at all times, keep accurate and complete records of the Collateral, and Secured Party shall have the right to inspect and make copies of all of
Debtor’s books and records relating to the Collateral during normal business hours, after giving Debtor reasonable prior notice. 

  

	 	(f)	Debtor agrees and acknowledges that any third person who may at any time possess all or any portion of the Collateral shall be deemed to hold, and shall hold, the
Collateral as the agent of, and as pledge holder for, Secured Party. Secured Party may at any time give notice to any third person described in the preceding sentence that such third person is holding the Collateral as the agent of, and as pledge
holder for, the Secured Party. 

  

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	4.	INSURANCE. 

  

	 	(a)	Debtor shall at all times bear the entire risk of any loss, theft, damage to, or destruction of, any of the Collateral from any cause whatsoever.


  

	 	(b)	Debtor agrees to keep the Collateral insured against loss or damage by fire and extended coverage perils, theft, burglary, and for any or all Collateral, which are
vehicles, for risk of loss by collision, and if requested by Secured Party, against such other risks as Secured Party may reasonably require. The insurance coverage shall be in an amount no less than the full replacement value of the Collateral, and
deductible amounts, insurers and policies shall be acceptable to Secured Party. Debtor shall deliver to Secured Party policies or certificates of insurance evidencing such coverage. Each policy shall name Secured Party as a loss payee, shall provide
for coverage to Secured Party regardless of the breach by Debtor of any warranty or representation made therein, shall not be subject to co-insurance, and shall provide that coverage may not be canceled or altered by the insurer except upon thirty
(30) days prior written notice to Secured Party. Debtor appoints Secured Party as its attorney-in-fact to make proof of loss, claim for insurance and adjustments with insurers, and to receive payment of and execute or endorse alt documents,
checks or drafts in connection with insurance payments. Secured Party shall not act as Debtor’s attorney-in-fact unless Debtor is in default. Proceeds of insurance shall be applied, at the option of Secured Party, to repair or replace the
Collateral or to reduce any of the Indebtedness. 

  

	5.	REPORTS. 

  

	 	(a)	Debtor shall promptly notify Secured Party of (i) any change in the name of Debtor, (ii) any change in the state of its incorporation or registration, (iii)
any relocation of its chief executive offices, (iv) any of the Collateral being lost, stolen, missing, destroyed, materially damaged or worn out, or (v) any lien, claim or encumbrance other than Permitted Liens attaching to or being made
against any of the Collateral. 

  

	 	(b)	Debtor will deliver to Secured Party within ninety (90) days of the close of each fiscal year of Debtor, Debtor’s complete financial statements including a
balance sheet, income statement, statement of shareholders’ equity and statement of cash flows, each prepared in accordance with generally accepted accounting principles consistently applied, certified by a recognized firm of certified public
accountants satisfactory to Secured Party. Debtor will deliver to Secured Party copies of Debtor’s quarterly financial statements including a balance sheet, income statement and statement of cash flows, each prepared by Debtor in accordance
with generally accepted accounting principles consistently applied by Debtor and certified by Debtor’s chief financial officer, within ninety (90) days after the close of each of Debtor’s fiscal quarter. Debtor will deliver to Secured
Party copies of all Forms 10-K and 10-Q, if any, within 30 days after the dates on which they are filed with the Securities and Exchange Commission. Debtor will deliver to Secured Party copies of Debtor’s monthly financial statements including
a balance sheet and income statement, each prepared by Debtor in accordance with generally accepted accounting principles consistently applied by Debtor and certified by Debtor’s chief financial officer, within forty-five (45) days after
the close of each month. Debtor will deliver to Secured Party promptly upon request of Secured Party, in form satisfactory to Secured Party, such other and additional information as Secured Party may reasonably request from time to time.


  

	6.	FURTHER ASSURANCES. 

  

	 	(a)	Debtor shall, upon request of Secured Party, furnish to Secured Party such further information, execute and deliver to Secured Party such documents and instruments
(including, without limitation, Uniform Commercial Code financing statements) and shall do such other acts and things as Secured Party may at any time reasonably request relating to the perfection or protection of the security interest created by
this Agreement or for the purpose of carrying out the intent of this Agreement. Without limiting the foregoing, Debtor shall cooperate and do all acts deemed necessary or advisable by Secured Party to continue in Secured Party a perfected first
security interest in the Collateral, and shall obtain and furnish to Secured Party any subordinations, releases, landlord waivers, lessor waivers, mortgagee waivers, or control agreements, and similar documents as may be from time to time requested
by, and in form and substance satisfactory to, Secured Party. 

  

	 	(b)	Debtor shall perform any and all acts requested by the Secured Party to establish, maintain and continue the Secured Party’s security interest and liens in the
Collateral, including but not limited to, executing or authenticating financing statements and such other instruments and documents when and as reasonably requested by the Secured Party. Debtor hereby authorizes Secured Party through any of Secured
Party’s employees, agents or attorneys to file any and all financing statements, including, without limitation, any original filings, continuations, transfers or amendments thereof required to perfect Secured Party’s security interest and
liens in the Collateral under the UCC without authentication or execution by Debtor. Debtor hereby irrevocably authorizes the Secured Party at any time and from time to time to file in any filing office in any Uniform Commercial Code jurisdiction
any initial financing statement(s) and amendments thereto that (a) indicate the Collateral (i) is subject to the Secured Party’s lien, regardless of whether any particular asset comprised in the Collateral falls within the scope of
Article 9 of the Uniform Commercial Code of the State or such jurisdiction, or (ii) as being of an equal or lesser scope or with greater detail, and (b) provide any other information required by part 5 of Article 9 of the Uniform
Commercial Code of the State or such other jurisdiction for the sufficiency or filing office acceptance of any financing statement or amendment, including (i) whether the Debtor is an organization, the type of organization and any organization
identification number issued to the Debtor, and (ii) in the ease of a financing statement filed as a fixture filing, a sufficient description of real property to which the Collateral relates. The Debtor agrees to furnish any such information to
the Secured Party promptly upon the Secured Party’s request. 

  

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	 	(c)	Debtor shall indemnify and defend the Secured Party, its successors and assigns, and their respective directors, officers and employees, from and against all claims,
actions and suits (including, without limitation, related attorneys’ fees) of any kind whatsoever arising, directly or indirectly, in connection with any of the Collateral. 

  

	7.	DEFAULT AND REMEDIES. 

  

	 	(a)	Debtor shall be in default under this Agreement and each of the other Debt Documents if: 

  

	 	(i)	Debtor breaches its obligation to pay when due any installment or other amount due or coming due under any of the Debt Documents; 

  

	 	(ii)	Debtor, without the prior written consent of Secured Party, attempts to or does sell, rent, lease, license, mortgage, grant a security interest in, or otherwise
transfer or encumber (except for Permitted Liens) any of the Collateral; 

  

	 	(iii)	Debtor breaches any of its insurance obligations under Section 4; 

  

	 	(iv)	Debtor breaches any of its other non-payment obligations under any of the Debt Documents and fails to cure that breach within thirty (30) days after written notice
from Secured Party; 

  

	 	(v)	Any warranty, representation or statement made by Debtor in any of the Debt Documents or in any of the periodic reports delivered to Secured Party pursuant to
Section 5(b) shall be false or misleading in any material respect; 

  

	 	(vi)	Any of the Collateral is subjected to attachment, execution, levy, seizure or confiscation in any legal proceeding or otherwise, or if any legal or administrative
proceeding is commenced against Debtor or any of the Collateral, which in the good faith judgment of Secured Party subjects any of the Collateral to a material risk of attachment, execution, levy, seizure or confiscation and no bond is posted or
protective order obtained to negate such risk; 

  

	 	(vii)	Debtor breaches or is in default under any other agreement between Debtor and Secured Party; 

  

	 	(viii)	Debtor or any guarantor or other obligor for any of the Indebtedness (collectively “Guarantor”) dissolves, terminates its existence, becomes insolvent
or ceases to do business as a going concern; 

  

	 	(ix)	Debtor or any Guarantor is a natural person, Debtor or any such Guarantor dies or becomes incompetent; 

  

	 	(x)	A receiver is appointed for all or of any part of the property of Debtor or any Guarantor, or Debtor or any Guarantor makes any assignment for the benefit of creditors;


  

	 	(xi)	Debtor or any Guarantor files a petition under any bankruptcy, insolvency or similar law, or any such petition is filed against Debtor or any Guarantor and is not
dismissed within forty-five (45) days; 

  

	 	(xii)	Debtor’s improper filing of an amendment or termination statement relating to a filed financing statement describing the Collateral. 

  

	 	(xiii)	Debtor shall merge with or consolidate into any other entity or sell all or substantially all of its assets or in any manner terminate its existence;


  

	 	(xiv)	Debtor is a privately held corporation, more than 50% of Debtor’s voting capital stock, or effective control of Debtor’s voting capital stock, issued and
outstanding from time to time, is not retained by the holders of such stock on the date the Agreement is executed; 

  

	 	(xv)	Debtor is a publicly held corporation, there shall be a change in the ownership of Debtor’s stock such that Debtor is no longer subject to the reporting
requirements of the Securities Exchange Act of 1934 or no longer has a class of equity securities registered under Section 12 of the Securities Act of 1933; 

  

	 	(xvi)	Debtor defaults under any other financing arrangement between Debtor and a third party; and 

  

	 	(xvii)	Secured Party shall have determined in its sole, reasonable and good faith judgment that there has been a material adverse change in the Debtor’s financial
condition, taken as a whole, which would impair the ability of Debtor to perform its obligations hereunder or under any of the other financing agreements to which it is a party or of Secured Party to enforce the Indebtedness or realize upon the
Collateral; 

  

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	 	(b)	If Debtor is in default, the Secured Party, at its option, may declare any or all of the Indebtedness to be immediately due and payable, without demand or prior notice
to Debtor or any Guarantor. The accelerated obligations and liabilities shall bear interest (both before and after any judgment) until paid in full at the lower of fourteen percent (14%) per annum or the maximum rate not prohibited by
applicable law. 

  

	 	(c)	Secured Party shall have all of the rights and remedies of a Secured Party under the Uniform Commercial Code, and under any other applicable law. Without limiting the
foregoing, if Debtor is in default, Secured Party shall have the right to (i) notify any account debtor of Debtor or any obligor on any instrument which constitutes part of the Collateral to make payment to the Secured Party, (ii) with or
without legal process, enter any premises where the Collateral may be and take possession of and remove the Collateral from the premises or store it on the premises, (iii) sell the Collateral at public or private sale, in whole or in part, and
have the right to bid and purchase at said sale, or (iv) lease or otherwise dispose of all or part of the Collateral, applying proceeds from such disposition to the obligations then in default. If requested by Secured Party, Debtor shall
promptly assemble the Collateral and make it available to Secured Party at a place to be designated by Secured Party, which is reasonably convenient to both parties. Secured Party may also render any or all of the Collateral unusable at the
Debtor’s premises and may dispose of such Collateral on such premises without liability for rent or costs. Any notice that Secured Party is required to give to Debtor under the Uniform Commercial Code of the time and place of any public sale or
the time after which any private sale or other intended disposition of the Collateral is to be made shall be deemed to constitute reasonable notice if such notice is given to the last known address of Debtor at least five (5) days prior to such
action. Upon the occurrence and during the continuation of an Event of Default, Debtor hereby appoints Secured Party as Debtor’s attorney-in-fact, with full authority in Debtor’s place and stead and in Debtor’s name or otherwise, from
time to time in Secured Party’s sole and arbitrary discretion, to take any action and to execute any instrument which Secured Party may deem necessary or advisable to accomplish the purpose of this Agreement. 

  

	 	(d)	Proceeds from any sale or lease or other disposition shall be applied: first, to all costs of repossession, storage, and disposition including without limitation
attorneys’, appraisers’, and auctioneers’ fees; second, to discharge the obligations then in default; third, to discharge any other Indebtedness of Debtor to Secured Party, whether as obligor, endorser, guarantor, surety or
indemnitor; fourth, to expenses incurred in paying or settling liens and claims against the Collateral; and lastly, to Debtor, if there exists any surplus. Debtor shall remain fully liable for any deficiency. 

  

	 	(e)	Debtor agrees to pay all reasonable attorneys’ fees and other costs incurred by Secured Party in connection with the enforcement, assertion, defense or
preservation of Secured Party’s rights and remedies under this Agreement, or if prohibited by law, such lesser sum as may be permitted. Debtor further agrees that such fees and costs shall constitute Indebtedness. 

  

	 	(f)	Secured Party’s rights and remedies under this Agreement or otherwise arising are cumulative and may be exercised singularly or concurrently. Neither the failure
nor any delay on the part of the Secured Party to exercise any right, power or privilege under this Agreement shall operate as a waiver, nor shall any single or partial exercise of any right, power or privilege preclude any other or further exercise
of that or any other right, power or privilege. SECURED PARTY SHALL NOT BE DEEMED TO HAVE WAIVED ANY OF ITS RIGHTS UNDER THIS AGREEMENT OR UNDER ANY OTHER AGREEMENT, INSTRUMENT OR PAPER SIGNED BY DEBTOR UNLESS SUCH WAIVER IS EXPRESSED IN WRITING AND
SIGNED BY SECURED PARTY. A waiver on any one occasion shall not be construed as a bar to or waiver of any right or remedy on any future occasion. 

  

	 	(g)	TO THE EXTENT PERMITTED BY LAW, DEBTOR AND SECURED PARTY UNCONDITIONALLY WAIVE THEIR RIGHTS TO A JURY TRIAL OF ANY CLAIM OR CAUSE OF ACTION BASED UPON OR ARISING OUT OF
THIS AGREEMENT, ANY OF THE OTHER DEBT DOCUMENTS, ANY OF THE INDEBTEDNESS SECURED HEREBY, ANY DEALINGS BETWEEN DEBTOR AND SECURED PARTY RELATING TO THE SUBJECT MATTER OF THIS TRANSACTION OR ANY RELATED TRANSACTIONS, AND/OR THE RELATIONSHIP THAT IS
BEING ESTABLISHED BETWEEN DEBTOR AND SECURED PARTY. THE SCOPE OF THIS WAIVER IS INTENDED TO BE ALL ENCOMPASSING OF ANY AND ALL DISPUTES THAT MAY BE FILED IN ANY COURT. THIS WAIVER IS IRREVOCABLE. THIS WAIVER MAY NOT BE MODIFIED EITHER ORALLY OR IN
WRITING. THE WAIVER ALSO SHALL APPLY TO ANY SUBSEQUENT AMENDMENTS, RENEWALS, SUPPLEMENTS OR MODIFICATIONS TO THIS AGREEMENT, ANY OTHER DEBT DOCUMENTS, OR TO ANY OTHER DOCUMENTS OR AGREEMENTS RELATING TO THIS TRANSACTION OR ANY RELATED TRANSACTION.
THIS AGREEMENT MAY BE FILED AS A WRITTEN CONSENT TO A TRIAL BY THE COURT. 

  

	8.	MISCELLANEOUS. 

  

	 	(a)	This Agreement, any Note and/or any of the other Debt Documents may be assigned, in whole or in part, by Secured Party without prior notice to Debtor, and Debtor agrees
not to assert against any such assignee, or assignee’s assigns, any defense, set-off, recoupment claim or counterclaim which Debtor has or may at any time have against Secured Party for any reason whatsoever. Debtor agrees that if Debtor
receives written notice of an assignment from Secured Party, Debtor will pay all amounts payable under any assigned Debt Documents to such assignee or as instructed by Secured Party. Debtor also agrees to confirm in writing receipt of the notice of
assignment as may be reasonably requested by Secured Party or assignee. 

  

	 	(b)	All notices to be given in connection with this Agreement shall be in writing, shall be addressed to the parties at their respective addresses set forth in this
Agreement (unless and until a different address may be specified in a written notice to the other party), and shall be deemed given (i) on the date of receipt if delivered in hand or by facsimile transmission, (ii) on the next business day
after being sent by express mail or overnight courier, and (iii) on the fourth business day after being sent by regular, registered or certified mail. As used herein, the term “business day” shall mean and include any day other than
Saturdays, Sundays, or other days on which commercial banks in New York, New York are required or authorized to be closed. 

  

	 	(c)	Secured Party may correct patent errors and fill in all blanks in this Agreement or in any Collateral Schedule consistent with the agreement of the parties.


  

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	 	(d)	Time is of the essence of this Agreement. This Agreement shall be binding, jointly and severally, upon all parties described as the “Debtor” and their
respective heirs, executors, representatives, successors and assigns, and shall inure to the benefit of Secured Party, its successors and assigns. 

  

	 	(e)	This Agreement and its Collateral Schedules constitute the entire agreement between the parties with respect to the subject matter of this Agreement and supersede all
prior understandings (whether written, verbal or implied) with respect to such subject matter. THIS AGREEMENT AND ITS COLLATERAL SCHEDULES SHALL NOT BE CHANGED OR TERMINATED ORALLY OR BY COURSE OF CONDUCT, BUT ONLY BY A WRITING SIGNED BY BOTH
PARTIES. Section headings contained in this Agreement have been included for convenience only, and shall not affect the construction or interpretation of this Agreement. 

  

	 	(f)	This Agreement shall continue in full force and effect until all of the Indebtedness has been indefeasibly paid in full to Secured Party or its assignee. The surrender,
upon payment or otherwise, of any Note or any of the other documents evidencing any of the Indebtedness shall not affect the right of Secured Party to retain the Collateral for such other Indebtedness as may then exist or as it may be reasonably
contemplated will exist in the future. This Agreement shall automatically be reinstated if Secured Party is ever required to return or restore the payment of all or any portion of the Indebtedness (all as though such payment had never been made).


  

	 	(g)	DEBTOR AGREES THAT SECURED PARTY AND/OR ITS SUCCESSORS AND ASSIGNS SHALL HAVE THE OPTION BY WHICH STATE LAWS THIS AGREEMENT SHALL BE GOVERNED AND CONSTRUED:
(A) THE LAWS OF THE COMMONWEALTH OF VIRGINIA; OR (B) IF COLLATERAL HAS BEEN PLEDGED TO SECURE THE LIABILITIES, THEN BY THE LAWS OF THE STATE OR STATES WHERE THE COLLATERAL IS LOCATED, AT SECURED PARTY’S OPTION. THIS CHOICE OF STATE
LAWS IS EXCLUSIVE TO THE SECURED PARTY. DEBTOR SHALL NOT HAVE ANY OPTION TO CHOOSE THE LAWS BY WHICH THIS AGREEMENT SHALL BE GOVERNED. DEBTOR ACKNOWLEDGES THAT THIS AGREEMENT IS BEING SIGNED BY THE SECURED PARTY IN PARTIAL CONSIDERATION OF SECURED
PARTY’S RIGHT TO ENFORCE IN THE JURISDICTION STATED ABOVE. DEBTOR CONSENTS TO JURISDICTION IN THE COMMONWEALTH OF VIRGINIA OR THE STATE IN WHICH ANY COLLATERAL IS LOCATED AND VENUE IN ANY FEDERAL OR STATE COURT IN THE COMMONWEALTH OF VIRGINIA
OR THE STATE IN WHICH COLLATERAL IS LOCATED FOR SUCH PURPOSES AND WAIVES ANY AND ALL RIGHTS TO CONTEST SAID JURISDICTION AND VENUE AND ANY OBJECTION THAT SAID COUNTY IS NOT CONVENIENT. DEBTOR WAIVES ANY RIGHTS TO COMMENCE ANY ACTION AGAINST SECURED
PARTY IN ANY JURISDICTION EXCEPT VIRGINIA, OR IF SECURED PARTY CHOOSES TO LITIGATE IN A STATE WHERE COLLATERAL IS LOCATED THEN IN SUCH COUNTY AND STATE. TO THE EXTENT PERMITTED BY LAW, SECURED PARTY AND DEBTOR HEREBY EACH EXPRESSLY WAIVE ANY AND ALL
RIGHTS TO A TRIAL BY JURY IN ANY ACTION, PROCEEDING OR COUNTERCLAIM BROUGHT BY ANY OF THE PARTIES AGAINST ANY OTHER PARTY WITH RESPECT TO ANY MATTER WHATSOEVER RELATING TO, ARISING OUT OF OR IN ANY WAY CONNECTED WITH THE LOAN, THE DOCUMENTS AND/OR
THE TRANSACTIONS WHICH ARE THE SUBJECT OF THE DOCUMENTS. 

 IN WITNESS WHEREOF, Debtor and Secured Party,
intending to be legally bound hereby, have duly executed this Agreement in one or more counterparts, each of which shall be deemed to be an original, as of the day and year first aforesaid. 
  

									
	SECURED PARTY:	  	 	  	DEBTOR:
			
	Oxford Finance Corporation	  		  	StemCo Biomedical, Inc.
					
	By:	  	 /s/ Michael J. Attenburger
	  		  	By:	  	 /s/ Jonathon M. Lawrie

	Name:	  	Michael J. Attenburger	  		  	Name:	  	Jonathon M. Lawrie
	Title:	  	Chief Financial Officer	  		  	Title:	  	President & CEO

  

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 COLLATERAL MIX RIDER 
  
  
 TO 
 MASTER SECURITY AGREEMENT NO. 3081025 
 DATED MAY 27, 2003 
 BETWEEN 
 OXFORD FINANCE CORPORATION (the “SECURED PARTY”) 
 AND 
 ALDAGEN, INC.
(the “DEBTOR”) 
 Debtor, Aldagen, Inc., shall cause the composition and mix of Equipment to conform to and meet the following
concentration requirements (hereinafter “Concentration Requirement”) for each class of Equipment (hereinafter “Equipment Class”) as identified and set forth below. Debtor, Aldagen, Inc., herein represents and warrants that it
shall bring the aggregate Concentration Requirement into full compliance by September 30, 2008: 
  

			
	 Equipment Class
	 	 Concentration Requirement

	Laboratory	 	Minimum of 93%
		
	 Soft Costs
	 	Maximum of 7%

 Dated as of: October 24, 2007 
  

									
	OXFORD FINANCE CORPORATION	 		 	ALDAGEN, INC.
					
	By:	 	 /s/ T. A. Lex
	 		 	By:	 	 /s/ Edward L. Field

	Name:	 	T. A. Lex	 		 	Name:	 	Edward L. Field
	Title:	 	COO	 		 	Title:	 	PRESIDENT & COO








 COLLATERAL SCHEDULE NO. 04 
 THIS COLLATERAL SCHEDULE NO. 04 is annexed to and made a part of that certain Master Security Agreement No. 3081025 dated as of
May 27, 2003 (“Agreement”) between Oxford Finance Corporation, together with its successors and assigns, if any, as Secured Party and Aldagen, Inc. as Debtor and describes collateral in which Debtor has granted Secured Party a
security interest in connection with the Indebtedness (as defined in the Security Agreement) including without limitation that certain Promissory Note dated October 31, 2007 in the original principal amount of $260,000.00 (“Note”).

 Debtor hereby reaffirms all of the representations, warranties, and covenants contained in the Agreement and the Note as of the date hereof
and further represents and warrants to Secured Party that no default has occurred and is continuing as of the date hereof. 
 Debtor further
affirms that none of the Collateral for this Schedule has been pledged as Collateral on previous Schedules under the Agreement. 
 See
attached Exhibit A for list of Collateral, all of which Collateral for this Schedule is located at the following address(es). If more than one address, Exhibit A contains a column with an indication of the location of each item: 

Address 1: 2810 Meridian Parkway, Suite 148, Durham, NC 27713 
 Address 2: N/A 
  

									
	 SECURED PARTY:
	 		 	DEBTOR:
			
	 Oxford Finance Corporation
	 		 	Aldagen, Inc.
					
	By:	 	 /s/ T. A. Lex
	 		 	By:	 	 /s/ Edward L. Field

	Name:	 	T. A. Lex	 		 	Name:	 	Edward L. Field
	Title:	 	COO	 		 	Title:	 	PRESIDENT
	Date:	 	11.8.07	 		 	Date:	 	10/26/07








 Exhibit A 
 to Collateral Schedule No. 04 to Master Security Agreement No. 3081025 
 between Aldagen, Inc. and Oxford Finance Corporation 
  

							
		 		  	Location Code	  	
	 Company Name:
	 	Aldagen, Inc.	  		  	
	Equipment Location 1: 	 	2810 Merdian Parkway, Suite 148, Durham, NC 27713	  	1	  	
	Equipment Location 2:	 	N/A	  	2	  	

  

																																				
	 Item #
	 	Supplier	 	Loc Code	 	Equip Code	 	Description	 	Item Details	 	QTY	 	Serial #	 	Price	 	Ext. Price	 	Invoice
Subtotal	 	Vendor
Subtotal	 	PO #	 	Invoice #	 	Inv Date	 	Ck #	 	Ck Amt
	 1-a
	 	BD Biosciences	 	1	 	LAB	 	FACSAria	 	Product No 340469	 	1	 	P46900087	 	260,000.00	 	 	260,000.00	 	$	260,000.00	 	$	260,000.00	 	2602	 	200830945	 	9/20/2007	 	Wire	 	260,000.00
		 		 		 		 	TOTAL	 		 		 		 		 	$	260,000.00	 	$	260,000.00	 	$	260,000.00	 		 		 		 		 	

 Explanation: 
 This table has formulas and should calculate totals independently. 
  
  

							
	 EQUIP
 CODE
	  	TOTAL
CATEGORY AMT	  	% OF
TOTAL	 
	 COMP
	  	$	—  	  	0.0	% 
	 FURN
	  	$	—  	  	0.0	% 
	 LAB
	  	$	260,000.00	  	100.0	% 
	 MANUF
	  	$	—  	  	0.0	% 
	 OFC
	  	$	—  	  	0.0	% 
	 OTHER
	  	$	—  	  	0.0	% 
	 SOFT
	  	$	—  	  	0.0	% 
	 TEL
	  	$	—  	  	0.0	% 
	 TEST
	  	$	—  	  	0.0	% 
	 TI
	  	$	—  	  	0.0	% 
			
	 Grand Total
	  	$	260,000.00	  	100.00	% 

 All property listed above, together with any and all attachments, accessions, additions,
replacements, improvements, modifications and substitutions thereto and therefor and a right to use license for any software related to any of the foregoing now or hereafter acquired and all proceeds, in the form of goods, accounts, chattel paper,
documents, instruments and insurance proceeds. 
  

			
	ALDAGEN, INC.
		
	By:	 	 /s/ Edward L. Field

	Title:	 	PRESIDENT & COO









  

 PROMISSORY NOTE 
 To Master Security Agreement No. 3081025 
 OCTOBER 31, 2007 
 FOR VALUE RECEIVED, Aldagen, Inc., a Delaware corporation, located at the address stated below
(“Maker”) promises, jointly and severally if more than one, to pay to the order of Oxford Finance Corporation or any subsequent holder hereof (each, a “Payee”) at its office located at 133 N. Fairfax
Street, Alexandria, VA 22314 or at such other place as Payee or the holder hereof may designate, the principal sum of Two Hundred Sixty Thousand and 00/100 Dollars ($260,000.00), with interest on the unpaid principal balance, from the
date hereof through and including the dates of payment, at a fixed interest rate of ten and sixty-one one-hundredths percent (10.61%) per annum, in forty-two (42) consecutive monthly installments of principal and interest as follows:

  

				
	 Periodic Installment
	  	Amount
	 1-42
	  	$	7,372.70

 each (“Periodic Installment”) and a final installment which shall be in the amount
of the total outstanding principal and interest. The first and last Periodic Installment shall be due and payable on or about October 26, 2007 and the following Periodic Installments and the final installment shall be due and payable on the
same day of each succeeding month (each, a “Payment Date”) beginning on December 1, 2007. Such installments have been calculated on the basis of a 360-day year of twelve 30-day months. Each payment may, at the option of the
Payee, be calculated and applied on an assumption that such payment would be made on its due date. Receipt of the last Periodic Installment in advance has the effect of increasing the interest rate to eleven and eighteen one-hundredths percent
(11.18%) per annum (the amortizated “Effective Rate”). 
 The acceptance by Payee of any payment which is less than
payment in full of all amounts due and owing at such time shall not constitute a waiver of Payee’s right to receive payment in full at such time or at any prior or subsequent time. 
 The Maker hereby expressly authorizes the Payee to insert the date value is actually given in the blank space on the face hereof and on all related documents pertaining hereto. 
 This Note may be secured by a security agreement, chattel mortgage, pledge agreement or like instrument (each of which is hereinafter called a
“Security Agreement” and any Security Agreement, this Note and any other document evidencing or securing this loan is hereinafter called a “Debt Document”). 
 Time is of the essence hereof. If any installment or any other sum due under this Note or any Security Agreement is not received when due, the Maker agrees
to pay, in addition to the amount of each such installment or other sum, a late payment charge of five percent (5%) of the amount of said installment or other sum, but not exceeding any lawful maximum. If (i) Maker fails to make payment of
any amount due hereunder; or (ii) Maker is in default under, or fails to perform under any term or condition contained in any Security Agreement, then the entire principal sum remaining unpaid, together with all accrued interest thereon and any
other sum payable under this Note or any Security Agreement, at the election of Payee, shall immediately become due and payable, with interest thereon at the lesser of fourteen percent (14%) per annum or the highest rate not prohibited by
applicable law from the date of such accelerated maturity until paid (both before and after any judgment). 
 Notwithstanding anything to the
contrary contained herein or in the Security Agreement, Maker may not prepay in full or in part any indebtedness hereunder without the express written consent of Payee in its sole discretion. 
 The Maker and all sureties, endorsers, guarantors or any others (each such person, other than the Maker, an “Obligor”) who may at any time
become liable for the payment hereof jointly and severally consent hereby to any and all extensions of time, renewals, waivers or modifications of, and all substitutions or releases of, security or of any party primarily or secondarily liable on
this Note or any Security Agreement or any term and provision of either, which may be made, granted or consented to by Payee, and agree that suit may be brought and maintained against any one or more of them, at the election of Payee without joinder
of any other as a party thereto, and that Payee shall not be required first to foreclose, proceed against, or exhaust any security hereof in order to enforce payment of this Note. The Maker and each Obligor hereby waives presentment, demand for
payment, notice of nonpayment, protest, notice of protest, notice of dishonor, and all other notices in connection herewith, as well as filing of suit (if permitted by law) and diligence in collecting this Note or enforcing any of the security
hereof, and agrees to pay (if and to the extent permitted by law) all expenses incurred in collection, including Payee’s actual attorneys’ fees. Maker and each Obligor agrees that fees not in excess of fifteen percent (15%) of the
amount then due shall be deemed reasonable. 
  

 1 









  

 Maker and Lender intend to strictly comply with all applicable federal and Virginia laws, including
applicable usury laws (or the usury laws of any jurisdiction whose usury laws are deemed to apply to the Note or any other Debt Document despite the intension and desire of the parties to apply the usury laws of the Commonwealth of Virginia).
Accordingly, the provisions of this paragraph shall govern and control over every other provision of this Note or any other Debt Document which conflicts or is inconsistent with this Section, even if such provision declares that it controls. As used
in this paragraph, the term “interest” includes the aggregate of all charges, fees, benefits or other compensation which constitute interest under applicable law, provided that, to the maximum extent permitted by applicable
law, (a) any non-principal payment shall be characterized as an expense or as compensation for something other than the use, forbearance or detention of money and not as interest, and (b) all interest at any time contracted for, reserved,
charged or received shall be amortized, prorated, allocated and spread, in equal parts during the full term of the obligations. In no event shall Maker or any other person be obligated to pay, or Holder have any right or privilege to reserve,
receive or retain, (a) any interest in excess of the maximum amount of non-usurious interest permitted under the laws of the Commonwealth of Virginia or the applicable laws (if any) of the United States or of any other state, or (b) total
interest in excess of the amount which Holder could lawfully have contracted for, reserved, received, retained or charged had the interest been calculated for the full term of the obligations. On each day, if any, that the interest rate (the
“Stated Rate”) called for under this Note or any other Debt Document exceeds the maximum non-usurious rate, the rate at which interest shall accrue shall automatically be fixed by operation of this sentence at the maximum
non-usurious rate for that day. Thereafter, interest shall accrue at the Stated Rate unless and until the Stated Rate again exceeds the maximum non-usurious rate, in which case, the provisions of the immediately preceding sentence shall again
automatically operate to limit the interest accrual rate to the maximum non-usurious rate. The daily interest rates to be used in calculating interest at the maximum non-usurious rate shall be determined by dividing the applicable maximum
non-usurious rate by the number of days in the calendar year for which such calculation is being made. None of the terms and provisions contained in this Note or in any other Debt Document which directly or indirectly relate to interest shall ever
be construed without reference to this paragraph, or be construed to create a contract to pay for the use, forbearance or detention of money at an interest rate in excess of the maximum non-usurious rate. If the term of any obligation is shortened
by reason of acceleration of maturity as a result of any Default or by any other cause, or by reason of any required or permitted prepayment, and if for that (or any other) reason Holder at any time, including but not limited to, the stated
maturity, is owed or receives (and/or has received) interest in excess of interest calculated at the maximum non-usurious rate, then and in any such event all of any such excess interest shall be canceled automatically as of the date of such
acceleration, prepayment or other event which produces the excess, and, if such excess interest has been paid to Holder, it shall be credited pro tanto against the then-outstanding principal balance of Maker’s obligations to Holder,
effective as of the date or dates when the event occurs which causes it to be excess interest, until such excess is exhausted or all of such principal has been fully paid and satisfied, whichever occurs first, and any remaining balance of such
excess shall be promptly refunded to its payor. 
 TO THE EXTENT PERMITTED BY LAW, THE MAKER HEREBY UNCONDITIONALLY WAIVES ITS RIGHTS TO A
JURY TRIAL OF ANY CLAIM OR CAUSE OF ACTION BASED UPON OR ARISING OUT OF, DIRECTLY OR INDIRECTLY, THIS NOTE, ANY OF THE RELATED DOCUMENTS, ANY DEALINGS BETWEEN MAKER AND PAYEE RELATING TO THE SUBJECT MATTER OF THIS TRANSACTION OR ANY RELATED
TRANSACTIONS, AND/OR THE RELATIONSHIP THAT IS BEING ESTABLISHED BETWEEN MAKER AND PAYEE. THE SCOPE OF THIS WAIVER IS INTENDED TO BE ALL ENCOMPASSING OF ANY AND ALL DISPUTES THAT MAY BE FILED IN ANY COURT (INCLUDING, WITHOUT LIMITATION, CONTRACT
CLAIMS, TORT CLAIMS, BREACH OF DUTY CLAIMS, AND ALL OTHER COMMON LAW AND STATUTORY CLAIMS.) THIS WAIVER IS IRREVOCABLE, MEANING THAT IT MAY NOT BE MODIFIED EITHER ORALLY OR IN WRITING, AND THE WAIVER SHALL APPLY TO ANY SUBSEQUENT AMENDMENTS,
RENEWALS, SUPPLEMENTS OR MODIFICATIONS TO THIS NOTE, ANY RELATED DOCUMENTS, OR TO ANY OTHER DOCUMENTS OR AGREEMENTS RELATING TO THIS TRANSACTION OR ANY RELATED TRANSACTION. IN THE EVENT OF LITIGATION, THIS NOTE MAY BE FILED AS A WRITTEN CONSENT TO A
TRIAL BY THE COURT. 
 This Note and any Security Agreement constitute the entire agreement of the Maker and Payee with respect to the
subject matter hereof and supercedes all prior understandings, agreements and representations, express or implied. 
 No variation or
modification of this Note, or any waiver of any of its provisions or conditions, shall be valid unless in writing and signed by an authorized representative of Maker and Payee. Any such waiver, consent, modification or change shall be effective only
in the specific instance and for the specific purpose given. 
 Any provision in this Note or any Security Agreement which is in conflict with
any statute, law or applicable rule shall be deemed omitted, modified or altered to conform thereto. 
  

 2 
  









  

 Upon receipt of an affidavit of an officer of Lender as to the loss, theft, destruction or mutilation of
this Note or any Debt Document which is not of public record, and, in the case of any such loss, theft, destruction or mutilation, upon surrender and cancellation of such Note or other Debt Document, Maker will issue, in lieu thereof, a replacement
Note or other Debt Document in the same principal amount thereof and otherwise of like tenor. 
 It is understood and agreed that this Note and
all of the Debt Documents were negotiated and have been or will be delivered to Lender in the Commonwealth of Virginia, which State the parties agree has a substantial relationship to the parties and to the underlying transactions embodied by this
Note and the Debt Documents. Maker agrees to furnish to Lender at Lender’s office in Alexandria, VA, all further instruments, certifications and documents to be furnished hereunder. The parties also agree that if collateral is pledged to secure
the debt evidenced by this Note, that the state or states in which such collateral is located each have a substantial relationship to the parties and to the underlying transaction embodied by this Note and the Debt Documents. 
 MAKER AGREES THAT THE HOLDER OF THIS NOTE SHALL HAVE THE OPTION BY WHICH STATE LAWS THIS NOTE SHALL BE GOVERNED AND CONSTRUED: (A) THE LAWS OF THE
COMMONWEALTH OF VIRGINIA; OR (B) IF COLLATERAL HAS BEEN PLEDGED TO SECURE THE DEBT EVIDENCED BY THIS NOTE, THEN BY THE LAWS OF THE STATE OR STATES WHERE THE COLLATERAL IS LOCATED, AT HOLDER’S OPTION. THIS CHOICE OF STATE LAWS IS EXCLUSIVE
TO THE HOLDER OF THIS NOTE. MAKER SHALL NOT HAVE ANY OPTION TO CHOOSE THE LAWS BY WHICH THIS NOTE SHALL BE GOVERNED. MAKER AND GUARANTORS HEREBY CONSENT TO THE EXERCISE OF JURISDICTION OVER IT BY ANY FEDERAL COURT SITTING IN VIRGINIA OR ANY VIRGINIA
COURT SELECTED BY HOLDER, FOR THE PURPOSES OF ANY AND ALL LEGAL PROCEEDINGS ARISING OUT OF OR RELATING TO THE NOTE, THE LOAN AGREEMENT AND ALL OTHER DOCUMENTS. MAKER AND GUARANTORS IRREVOCABLY WAIVE, TO THE FULLEST EXTENT PERMITTED BY LAW, ANY
OBJECTION WHICH IT MAY NOW OR HERE AFTER HAVE TO THE LAYING OF VENUE OF ANY SUCH PROCEEDING BROUGHT IN ANY SUCH COURT, ANY CLAIM BASED ON THE CONSOLIDATION OF PROCEEDINGS IN SUCH COURTS IN WHICH PROPER VENUE MAY LIE IN DIVERGENT JURISDICTIONS, AND
ANY CLAIM THAT ANY SUCH PROCEEDING BROUGHT IN ANY SUCH COURT HAS BEEN BROUGHT IN AN INCONVENIENT FORUM. TO THE EXTENT PERMITTED BY LAW, MAKER AND GUARANTORS HEREBY IRREVOCABLY WAIVE, TO THE FULLEST EXTENT PERMITTED BY LAW, ANY AND ALL RIGHT TO TRIAL
BY JURY IN ANY LEGAL PROCEEDING ARISING OUT OF OR RELATING TO THIS NOTE, THE OTHER DOCUMENTS OR THE TRANSACTIONS CONTEMPLATED THEREBY. 
 Confession of Judgment. In the event that this Note or any installment under this Note is not paid when due, whether by maturity or acceleration, Maker hereby appoints and constitutes Mary Zinsner and David J. Lawson, either of whom
may act (a Virginia attorney) Maker’s duly constituted attorney-in-fact to confess judgment pursuant to the provisions of Section 8.0-431 et seq. of the Code of Virginia of 1950, as amended, against Maker for all principal and
interest due and payable under this Note, together with attorneys’ fees and collection fees as provided in this Note (to the extent permitted by law), which judgment shall be confessed in the Clerk’s Office of the Circuit Court of the City
of Alexandria and/or Fairfax and/or Arlington Counties, Virginia. Maker shall, upon Payee’s request, name such additional or alternative persons designated by Payee as Maker’s duly constituted attorney-in-fact to confess judgment against
Maker pursuant to the above Section. Upon request of Payee, Maker also shall agree to the designation of any additional circuit courts in the Commonwealth of Virginia in which judgment may be confessed against Maker. No single exercise of the power
to confess judgment shall be deemed to exhaust the power and no judgment against fewer than all the persons constituting Maker shall bar any subsequent action or judgment against any one or more of such persons against whom judgment has not been
obtained on this Note. 
  

							
		 		 	Aldagen, Inc.
				
	  
	 		 	By:	 	 /s/ Edward L. Field

	(Witness)	 		 		 	
	  
	 		 	Name:	 	Edward L. Field
	(Print name)	 		 		 	
	  
	 		 	Title:	 	PRESIDENT
	(Address)	 		 		 	
		 		 	Address:	 	 2810 Meridian Parkway, Suite 148
 Durham, NC 27713


  

 3 
 IMPORTANT NOTICE: 
 THIS INSTRUMENT CONTAINS A CONFESSION OF JUDGMENT PROVISION WHICH
CONSTITUTES A WAIVER OF IMPORTANT RIGHTS YOU MAY HAVE AS A DEBTOR AND ALLOWS THE CREDITOR TO OBTAIN A JUDGMENT AGAINST YOU WITHOUT ANY FURTHER NOTICE. 








 APPLICATION OF LOAN PROCEEDS AND WIRING INSTRUCTIONS 
 October 24, 2007 
 Oxford Finance Corporation

 133 North Fairfax Street 
 Alexandria, VA 22314 
 You are hereby irrevocably authorized and directed to deliver and apply the proceeds of your loan to the
undersigned evidenced by that Note dated OCTOBER 31, 2007, and secured by that Security Agreement No. 3081025 dated May 27, 2003 as follows: 
  

						
	Aldagen, Inc. - Schedule 04	 	$	260,000.00	 	
	Oxford Finance Corporation	 	$	 14,745.40	 	Less First & Last Payments - Schedule 04
			
	Total Loan Proceeds to Aldagen, Inc.	 	$	245,254.60	 	

 This authorization and direction is given pursuant to the same authority authorizing the
above-mentioned borrowing 
  

			
	 ALDAGEN, INC.

		
	By:	 	 /s/ Edward L. Field

	Title:	 	PRESIDENT & COO