Document:

EXHIBIT 10.22

STOCK PLEDGE AGREEMENT

          This STOCK PLEDGE
AGREEMENT is made as of this 8th day of June, 2006, by and between the
undersigned Advanced Lumitech, Inc., a Nevada corporation with a place of
business at 8C Pleasant Street S., Natick, Massachusetts 01760 (hereinafter, the
“Company”) and Ross/Fialkow Capital Partners LLP, Trustee of Brightec
Capital Trust, a Massachusetts nominee trust established under Declaration of
Trust dated June 2006, with a place of business at 38 Glen Avenue, Newton,
Massachusetts 02459 (the “Lender”).

          WHEREAS, the Company
is the legal and beneficial owner of the issued and outstanding shares of each
class of the capital stock of Brightec, S.A, the company’s wholly owned
Swiss subsidiary (“Brightec”); and

          WHEREAS, the Lender
has or shall have this date extended to the Company a line of credit pursuant to
a certain Convertible Line of Credit Note dated of even date herewith and
pursuant to a certain Loan and Security Agreement between the parties hereto
dated as of the date hereof (the “Loan Agreement”)

          WHEREAS, it is a
condition precedent to the Lender’s obligations pursuant to the Loan
Agreement that the Company shall have executed and delivered to the Lender a
security agreement in all of its assets as well as pledge of all of the stock of
Brightec; and

          WHEREAS, the Company
wishes to grant to the Lender a pledge and security interest in all of its
Brightec stock as herein provided;

          NOW, THEREFORE, in
consideration of the premises contained herein and for other good and valuable
consideration, the receipt and sufficiency of which are hereby acknowledged, the
parties hereto agree as follows:

          §1.
          Pledge of Stock,
Etc.

          (a)          The
Company hereby pledges, assigns, grants a security interest in, and delivers to
the Lender its shares of capital stock of Brightec in an amount equal to 100% of
the all shares of capital stock of the Company (the “Stock”), more
particularly described in Exhibit “A” hereto, to be held by the Lender
subject to the terms and conditions hereinafter set forth.  The
certificates for such shares, accompanied by stock powers or other appropriate
instruments of assignment thereof duly executed in blank by the Company, have
been delivered to the Lender.

          (b)          In
case the Company shall acquire any securities exchangeable for or convertible
into shares of such capital stock of any class of the Company, by issuance,
purchase or otherwise, then the Company shall forthwith deliver to and pledge
such shares or other securities to the Lender under this Agreement.  The
Company agrees that the Lender may from time to time attach to Schedule A hereto
an updated list of the shares of capital stock or securities at the time pledged
with the Lender hereunder.

          §2.          Definitions. 
The term “Secured Obligations” and all other capitalized terms used
herein without definition shall mean the Company’s “Obligations”
as defined in the Loan Agreement.  The term “Event of Default”
shall mean the occurrence of an “Event of Default” as defined the Loan
Agreement.  Terms used herein and not defined in the Loan Agreement or
otherwise defined herein that are defined in the Uniform Commercial Code of
Massachusetts have such defined meanings herein, unless the context otherwise
indicated or requires, and the following terms shall have the following
meanings:

          Stock. 
Includes the shares of stock described in §1(a).and any additional shares
of stock at the time pledged with the Lender hereunder.

          Stock
Collateral.  The property at any time pledged to the Lender hereunder
(whether described herein or not) and all income therefrom, increases therein
and proceeds thereof, but excluding from the definition of “Stock
Collateral” any income, increases or proceeds received by the Company to
the extent expressly permitted by §6.

          §3.          Security
for Secured Obligations.  This Agreement and the security interest in
and pledge of the Stock Collateral hereunder are made with and granted to the
Lender as security for the payment and performance in full of all the Secured
Obligations.

          §4.          Liquidation,
Recapitalization, Etc.  Any sums or other property paid or distributed
upon or with respect to any of the Stock, whether by dividend or redemption or
upon the liquidation or dissolution of the issuer thereof or otherwise, shall,
except to the limited extent provided in §6, be paid over and delivered to
the Lender to be held by the Lender as security for the payment and performance
in full of all          of the
Secured Obligations.  In case, pursuant to the recapitalization or
reclassification of the capital of the issuer thereof or pursuant to the
reorganization thereof, any distribution of capital shall be made on or in
respect of any of the Stock or any property shall be distributed upon or with
respect to any of the Stock, the property so distributed shall be delivered to
the Lender to be held by it as security for the Secured Obligations. 
Except to the limited extent provided in §6, all sums of money and property
paid or distributed in respect of the Stock, whether as a dividend or upon such
a liquidation, dissolution, recapitalization or reclassification or otherwise,
that are received by the Company shall, until paid or delivered to the Lender,
be held in trust for the Lender as security for the payment and performance in
full of all of the Secured Obligations.

          §5.          Warranty
of Title:  Authority.  The Company hereby represents and warrants
that: (a) the Company has good and marketable title to the Stock described in
§1, free and clear of any pledges.  liens, security interests,
charges, options, restrictions or other encumbrances except the pledge and
security interest created by this Agreement, (b) the Company has full power,
authority and legal right to execute, deliver and perform its obligations under
this Agreement and to pledge and grant a security interest in all of the Stock
Collateral pursuant to this Agreement, and the execution, delivery and
performance hereof and the pledge of and granting of a security interest in the
Stock Collateral hereunder have been duly authorized by all necessary membership
or other action and do not contravene any law, rule or regulation or any
provision of the Company’s By-Laws or of any judgment, decree or order of
any tribunal or of any agreement or instrument to which the Company is a party
or by which it or any of its property is bound or affected or constitute a
default; thereunder, and (c) the information set forth in hereto relating to the
Stock is true, correct and complete in all respects.  The Company covenants
that it will defend the Lender’s rights and security interest in such Stock
against the claims and demands of all persons whomsoever.  The Company
further covenants that it will have the title to and right to pledge and grant a
security interest in the Stock Collateral hereafter pledged or in which a
security interest is granted to the Lender hereunder and will likewise defend
the Lender’s rights, pledge and security interest thereof and
therein.

          §6.          Dividends,
Voting, Etc., Prior to Maturity.  So long as no Event of Default shall
have occurred and be continuing, the Company shall be entitled to receive all
cash dividends paid in respect of the Stock, to vote the Stock and to give
consents, waivers and ratifications in respect of the Stock; provided
however, that no vote shall be cast or consent waiver or ratification given
by the Company if the effect thereof would in the reasonable judgment of the
Lender impair any of the Stock Collateral or be

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inconsistent with or result in any violation of any of the provisions of this Agreement, the Loan Agreement or the Note.  All such rights of the Company to receive cash dividends shall cease in case an Event of Default shall have occurred and be continuing.  All such rights of the Company to vote and give consents, waivers and ratifications with respect to the Stock shall, at the Lender’s option, as evidenced by the Lender’s notifying the Company of such election, cease in case an Event of Default shall have occurred and be continuing.

          §7.          Remedies. 

          (a)          If
an Event of Default shall have occurred and be continuing, the Lender shall
thereafter have the following rights and remedies (to the extent permitted by
applicable law) in addition to the rights and remedies of a Lender under the
Uniform Commercial Code of Massachusetts, all such rights and remedies being
cumulative, not exclusive, and enforceable alternatively, successively or
concurrently, at such time or times as the Lender deems expedient:

                        (i)          if
the Lender so elects and gives notice of such election to the Company, the
Lender may vote any or all shares of the Stock (whether or not the same shall
have been transferred into its name or the name of its nominee or nominees) for
any lawful purpose, including, without limitation, if the Lender so elects, for
the liquidation of the assets of the issuer thereof, and give all consents,
waivers and ratifications in respect of the Stock and otherwise act with respect
thereto as though it were the outright owner thereof (the Company hereby
irrevocably constituting and appointing the Lender the proxy and
attorney-in-fact of the Company, with full power of substitution, to do
so);

                        (ii)          the
Lender may demand, sue for, collect or make any compromise or settlement the
Lender deems suitable in respect of any Stock Collateral;

                        (iii)          the
Lender may sell, resell, assign and deliver, or otherwise dispose of any or all
of the Stock Collateral, for cash or credit or both and upon such terms at such
place or places, at such time or times and to such entities or other persons as
the Lender thinks expedient, all without demand for performance by the Company
or any notice or advertisement whatsoever except as expressly provided herein or
as may otherwise be required by law;
 

                        (iv)          the
Lender may cause all or any part of the Stock held by it to be transferred into
its name or the name of its nominee or nominees; and

                        (v)          the
Lender may set off against the Secured Obligations any and all sums deposited
with it or held by it in connection therewith.

          (b)          In
the event of any disposition of the Stock Collateral as provided in clause (iii)
of §7(a), the Lender shall give to the Company at least ten Business Days
prior written notice of the time and place of any public sale of the Stock
Collateral or of the time after which any private sale or any other intended
disposition is to be made.  The Company hereby acknowledges that ten
business days prior written notice of such sale or sales shall be reasonable
notice.  The Lender may enforce its rights hereunder without any other
notice and without compliance with any other condition precedent now or
hereunder imposed by statute, rule of law or otherwise (all of which are hereby
expressly waived by the Company, to the fullest extent permitted by law). 
The Lender may buy any part or all of the Stock Collateral at any public sale
and if any part or all of the Stock Collateral is of a type customarily sold in
a recognized market or is of the type which is the subject of widely-distributed
standard price quotations, the Lender may buy at private sale and may make
payments thereof by any means.  The Lender may apply the cash proceeds
actually received from any sale or other disposition to the reasonable expenses
of retaking, holding, preparing for sale, selling and the like, to reasonable
attorneys fees, travel and all other expenses which

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may be incurred by the Lender in attempting to collect the Secured Obligations
or to enforce this Agreement or in the prosecution or defense of any action or
proceeding related to the subject matter of this Agreement, and then to the
Secured Obligations in the order set forth in such order or preference as the
Lender may determine after proper allowance for Secured Obligations not then
due.

          §8.          Marshaling. 
The Lender shall not be required to marshal any present or future security for
(including but not limited to this Agreement and the Stock Collateral), or other
assurances of payment of, the Secured Obligations or any of them, or to resort
to such security or other assurances of payment in any particular order. 
All of the Lender’s rights hereunder and in respect of such security and
other assurances of payment shall be cumulative and in addition to all other
rights, however existing or arising.  To the extent that it lawfully may,
the Company hereby agrees that it will not invoke any law relating to the
marshaling of collateral that might cause delay in or impede the enforcement of
the Lender’s rights under this Agreement or under any other instrument
evidencing any of the Secured Obligations or under which any of the Secured
Obligations is outstanding or by which any of the Secured Obligations is secured
or payment thereof is otherwise assured, and to the extent that it lawfully may,
the Company hereby irrevocably waives the benefits of all such laws.

          §9.          Company’s
Secured Obligations Not Affected.  The obligations of the Company
hereunder shall remain in full force and effect without regard to, and shall not
be impaired by (a) any exercise or non-exercise, or any waiver, by the Lender of
any right, remedy, power or privilege under or in respect of any of the Secured
Obligations or any security thereof (including this Agreement (b) any amendment
to or modification of any instrument (other than this Agreement) securing any of
the Secured Obligations (c) the taking of additional security for, or any other
assurances of payment of, any of the Secured Obligations or the release or
discharge or termination of any security or other assurances of payment or
performance for any of the Secured Obligations, whether or not the Company shall
have notice or knowledge of any of the foregoing.

          §10.          Transfer,
Etc., by Company.  Without the prior written consent of the Lender, the
Company will not sell, assign, transfer or otherwise dispose of, grant
any option with respect to, or pledge or grant any security interest in or
otherwise encumber or restrict any of the Stock Collateral or any interest
therein, except for the pledge thereof and security interest therein provided
for in this Agreement.

          §11.          Further
Assurances.  The Company will do all such acts, and will furnish to the
Lender all such financing statements, certificates, legal opinions and other
documents and will obtain all such governmental consents and corporate approvals
and will do or cause to be done all such other things as the Lender may
reasonably request from time to time in order to give full effect to this
Agreement and to secure the rights of the Lender hereunder, all without any cost
or expense to the Lender.  If the Lender so elects, a photocopy of this
Agreement may at any time and from time to time be filed by the Lender as a
financing statement in any recording office in any jurisdiction.

          §12.          Lender’s
Exoneration.  Under no circumstances shall the Lender be deemed to
assume any responsibility for or obligation or duty with respect to any part or
all of the Stock Collateral of any nature or kind or any matter or proceedings
arising out of or relating thereto, other than (a) to exercise reasonable care
in the physical custody of the Stock Collateral and (b) after an Event of
Default shall have occurred and be continuing to act in a commercially
reasonable manner.  The Lender shall not be required to take any action of
any kind to collect, preserve or protect its or the Company’s rights in the
Stock Collateral or against other parties thereto.  The Lender’s prior
recourse to any part or all of the Stock Collateral shall not constitute a
condition of any demand, suit or proceeding for payment or collection of any of
the Secured Obligations.

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          §13.          No
Waiver.  Etc.  Neither this Agreement nor any term hereof may be
changed, waived, discharged or terminated except by a written instrument
expressly referring to this Agreement and to the provisions so modified or
limited, and executed by the party to be charged.  No act, failure or delay
by the Lender shall constitute a waiver of its rights and remedies hereunder or
otherwise.  No single or partial waiver by the Lender of any default or
right or remedy that it may have shall operate as a waiver of any other default,
right or remedy or of the same default, right or remedy on a future
occasion.  The Company hereby waives presentment, notice of dishonor and
protest of all instruments, included in or evidencing any of the Secured
Obligations or the Stock Collateral, and any and all other notices and demands
whatsoever (except as expressly provided herein or in the Loan
Agreement).

          §14.          Notices,
Etc.  All notices, requests and other communications hereunder shall be
made in the manner set forth in Section 12 of the Security Agreement.

          §15.          Termination. 
Upon final payment and performance in full of the Secured Obligations, this
Agreement shall terminate and the Lender shall, at the Company’s request
and expense, return such Stock Collateral in the possession or control of the
Lender as has not theretofore been disposed of pursuant to the provisions
hereof, together with any moneys and other property at the time held by the
Lender hereunder.

          §16.          Governing
Law; Consent to Jurisdiction.  THIS AGREEMENT IS INTENDED TO TAKE
EFFECT AS A SEALED INSTRUMENT AND SHALL BE GOVERNED BY, AND CONSTRUED IN
ACCORDANCE WITH THE LAWS OF THE COMMONWEALTH OF MASSACHUSETTS.  The Company
agrees that any suit for the enforcement of this Agreement may be brought in any
state or federal court of competent jurisdiction sitting in Middlesex or Suffolk
County, and consents to the non-exclusive jurisdiction of such court and to
service of process in any such suit being made upon the Company by mail at the
address specified in the Agreement.  The Company hereby waives any
objection that it may now or hereafter have to the venue of any such suit or any
such court or that such suit is brought in an inconvenient court.

          §17.          Waiver
of Jury Trial and Certain Claims.  THE COMPANY WAIVES ITS RIGHT TO A
JURY TRIAL WITH RESPECT TO ANY ACTION OR CLAIM ARISING OUT OF ANY DISPUTE IN
CONNECTION WITH THIS AGREEMENT, ANY RIGHTS OR OBLIGATIONS HEREUNDER OR THE
PERFORMANCE OF ANY SUCH RIGHTS OR OBLIGATIONS, AS WELL AS ANY RIGHT IT MAY HAVE
OR HEREAFTER HAVE TO SPECIAL, INCIDENTIAL OR CONSEQUENTIAL DAMAGES.  The
Company (a) certifies that neither the Lender nor any representative, agent
or attorney of the Lender has represented, expressly or otherwise, that the
Lender would not, in the event of litigation, seek to enforce the foregoing
waiver and (b) acknowledges that, in entering into the Purchase Agreement, the
Lender is relying upon, among other things, the waiver and certifications
contained in this §17.

          §18.          Miscellaneous. 
The headings of each section of this Agreement are for convenience only and
shall not define or limit the provisions thereof.  This Agreement and all
rights and obligations hereunder shall be binding upon the Company and its
respective successors and assigns, and shall inure to the benefit of the Lender
and its successors and assigns.  If any term of this Agreement shall be
held to be invalid, illegal or unenforceable, the validity of all other terms
hereof shall be in no way affected thereby, and this Agreement shall be
construed and be enforceable as if such invalid, illegal or unenforceable term
had not been included herein.  The Company acknowledges receipt of a copy
of this Agreement.

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          §19.          Certain Waivers.  THE COMPANY IRREVOCABLY WAIVES ALL RIGHT TO A TRIAL BY JURY IN ANY PROCEEDING HEREAFTER INSTITUTED BY OR AGAINST LENDER OR BORROWER IN RESPECT OF THIS AGREEMENT, THE GUARANTY OR ANY OTHER DOCUMENT, INSTRUMENT OR AGREEMENT EVIDENCING, GOVERNING OR SECURING THE OBLIGATIONS, AS WELL AS ANY RIGHT IT MAY HAVE OR HEREAFTER HAVE TO SPECIAL, INCIDENTIAL OR CONSEQUENTIAL DAMAGES.

          IN WITNESS WHEREOF,
intending to be legally bound, the Company and the Lender have caused this
Agreement to be executed as of the date first above written.

	
  
 
  	
  
 
  	
  
“Company”:
  
	
  
 
  	
  
 
  	
  
ADVANCED LUMITECH, INC.
  
	
  
 
  	
  
 
  	
  
 
  	
  
 
  
	
  
WITNESS:
  	
  
 
  	
  
 
  	
  
 
  
	
  
 
  	
  
 
  	
  
 
  	
  
 
  
	
  /s/ David Geffen
  	
  
 
  	
  
By:
  	
  
/s/ Patrick Planche
  
	
  

  	
  
 
  	
  
 
  	
  

  
	
  
 
  	
  
 
  	
  
 
  	 Patrick Planche

	
  
 
  	
  
 
  	
  
 
  	
  
 
  
	
  
 
  	
  
 
  	
  
 
  	
  
 
  
	
  
 
  	
  
 
  	
  
 
  	
  
 
  
	
   
  	
  
 
  	
  
 
  	
  
 
  
	
  
 
  	
  
 
  	
  
 
  	
  
 
  
	
  
 
  	
  
 
  	
  
 
  	
  
 
  
	
  
 
  	
  
 
  	
  
 
  	
  
 
  
	
  
 
  	
  
 
  	
  
“Lender”:
  
	
  
 
  	
  
 
  	
  
ROSS/FIALKOW CAPITAL PARTNERS, LP
  
	
  
 
  	
  
 
  	
  
TRUSTEE OF BRIGHTEC CAPITAL TRUST
  
	
  WITNESS:
  	
  
 
  	
  
 
  	
  
 
  
	
  
 
  	
  
 
  	
  
 
  	
  
 
  
	
  
/s/ Jeffrey P. Ross
  	
  
 
  	
  
By:
  	
  
/s/ Jay L. Fialkow
  
	
  

  	
  
 
  	
  
 
  	
  

  
	
  
 
  	
  
 
  	
  
 
  	 Jay L. Fialkow, Manager

	
  
 
  	
  
 
  	
  
 
  	
  
 
  
	
   
  	
   
  	
   
  	
   
  
	
   
  	
   
  	
   
  	
   
  
	
   
  	
   
  	
   
  	
   
  
	
   

  	
   
  	
   
  	
   
  

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EXHIBIT “A”

7EXHIBIT 10.23

CORPORATE GUARANTY

          This GUARANTY, dated as of June 8, 2006 is made by Brightec S.A. (formally known as Lumitech S.A.) , a Switzerland corporation having an address at 36 Avenue Cardinal Tiermillod, Carouge, Switzerland (“Guarantor”), in favor of Ross/Fialkow Capital Partners LLP, Trustee of Brightec Capital Trust, a Massachusetts nominee trust having an address at c/o Ross/Fialkow Capital Partners LLP, 38 Glen Avenue, Newton, Massachusetts 02459 (“Lender”).

          WHEREAS, the Lender has agreed to extend credit to the Guarantors corporate parent, Advanced Lumitech, Inc. a Nevada corporation (the “Borrower”), pursuant to a certain Convertible Line of Credit Note (the “Note”) and to a certain Loan and Security Agreement, both dated as of even date herewith (the “Loan Agreement”), subject to certain terms and conditions, including the requirement that the Guarantor shall have guaranteed the Obligations (as such term is defined in the Loan Agreement) of Borrower to the Lender. Guarantor will derive substantial direct and indirect benefit from the loans contemplated by the Loan Agreement, since the proceeds of the loans will be used to develop marketing, product lines and investment opportunities for certain patents owned by the Guarantor.

          NOW, THEREFORE, in consideration of the premises and in order to induce the Lender to extend credit to the Borrower, Guarantor hereby agrees as follows:

          SECTION 1.          Guarantor hereby absolutely, unconditionally and irrevocably guarantees the punctual payment when due, whether at stated maturity, by acceleration or otherwise, of the Obligations, whether for principal, interest, fees, expenses or otherwise (such Obligations being the “Guaranteed Obligations”), and agrees to pay any and all reasonable expenses (including reasonable counsel fees and expenses) incurred by the Lender in enforcing any rights under this Guaranty or any other Loan Document, as such term is defined in the Loan Agreement. Without limiting the generality of the foregoing, Guarantor’s liability shall extend to all amounts that constitute part of the Guaranteed Obligations that would be owed by the Borrower but for the fact that they are unenforceable or not allowable due to the existence of a bankruptcy,
reorganization or similar proceeding involving the Borrower.

          SECTION 2.          Guaranty
Absolute.  Guarantor guarantees that the Guaranteed Obligations will be
paid strictly in accordance with the terms of the Loan Documents, regardless of
any law, regulation or order now or hereafter in effect in any jurisdiction
affecting any of such terms or the rights of the Lender with respect thereto.
The Obligations of Guarantor under this Guaranty are independent of the
Guaranteed Obligations or any other Obligations of any other the Borrower or any
other guarantor or surety for the Obligations, and a separate action or actions
may be brought and prosecuted against Guarantor to enforce this Guaranty,
irrespective of whether any action is brought against the Borrower or any other
guarantor or endorser, or whether the Borrower or any or any other guarantor or
surety for the Obligations is joined in any such action or actions. The liability of
Guarantor under this Guaranty shall be absolute and unconditional irrespective
of, and Guarantor hereby irrevocably waives any defenses it may now or hereafter
have in any way relating to, any or all of the following:

                      (a)              any lack of validity or enforceability of any Loan Document or any agreement or instrument relating thereto;

                      (b)              any change in the time, manner or place of payment of, or in any other term of, all or any of the Guaranteed Obligations or any other amendment or waiver of or any consent to departure from any Loan Document, including, without limitation, any increase in the Guaranteed Obligations resulting from the extension of additional credit to Borrower;

                      (c)              any taking, exchange, release or non-perfection of any collateral, or any taking, release or amendment or waiver of or consent to departure from any other guaranty, for all or any of the Guaranteed Obligations;

                      (d)              any manner of application of collateral, or proceeds thereof, to all or any of the Guaranteed Obligations, or any manner of sale or other disposition of any collateral for all or any of the Guaranteed Obligations or any other assets of Borrower or any other guarantor or surety for the Obligations;

                      (e)              any change, restructuring or termination of the corporate structure or existence of Borrower or Guarantor; or

                      (f)              any other circumstance (including, without limitation, any statute of limitations) or any existence of or reliance on any representation by the Lender that might otherwise constitute a defense available to, or a discharge of, the Borrower, Guarantor or any other guarantor or surety for the Obligations.

          This Guaranty shall continue to be effective or be reinstated, as the case may be, if at any time any payment of any of the Guaranteed Obligations is rescinded or must otherwise be returned by Lender upon the insolvency, bankruptcy or reorganization of the Borrower or any other guarantor or surety for the Obligations, or otherwise, all as though such payment had not been made.

          SECTION 3.          Waiver and Acknowledgements.  (a) Guarantor hereby waives, to the fullest extent permitted under applicable law, promptness, diligence, notice of acceptance and any other notice with respect to any of the Guaranteed Obligations and this Guaranty and any requirement that the Lender protect, secure, perfect or insure any lien or any collateral subject thereto or exhaust any right or take any action against Borrower or any other guarantor or surety for the Obligations, or any collateral securing the Obligations; (b) Guarantor waives, to the fullest extent permitted under applicable law, any right to revoke this Guaranty, and acknowledges that this Guaranty is continuing in nature and applies to all Guaranteed Obligations, whether existing now or in the future; and (c) Guarantor acknowledges that it will receive direct and
indirect benefits from the financing arrangements contemplated by the Loan Documents and that the waivers set forth in this Section 3 are knowingly made in contemplation of such benefits.

          SECTION
4.          Subrogation. 
Guarantor will not exercise any rights that it may now or hereafter acquire
against the Borrower or any other guarantor or surety for the Obligations that
arise from the existence, payment, performance or enforcement of
Guarantor’s Obligations under this Guaranty or any other Loan Document,
including, without limitation, any right of subrogation, reimbursement,
exoneration, contribution or indemnification and any right to participate in any
claim or remedy of the Lender against the Borrower or any other insider
guarantor or any collateral, whether or not such claim, remedy or right arises
in equity or under contract, statute or common law, including, without
limitation, the right to take or receive from the Borrower or any other insider
guarantor, directly or indirectly, in cash or other property or by set-off or in any other manner, payment or security on account of such claim,
remedy or right, unless and until all of the Obligations and all other amounts
payable under this Guaranty shall have been paid in full in cash. If any amount
shall be paid to Guarantor in violation of the preceding sentence at any time
prior to the payment in full in cash of the Guaranteed Obligations and all other
amounts payable under this Guaranty, such amount shall be held in trust for the
benefit of the Lender and shall forthwith be paid to the Lender to be credited
and applied to the Guaranteed Obligations and all other amounts payable under
this Guaranty, whether matured or unmatured, in accordance with the terms of the
Loan Documents, or to be held as collateral for any Guaranteed Obligations or
other amounts payable under this Guaranty thereafter arising.

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          SECTION 5.          Payments Free and Clear of Taxes Etc. (a) Any and all payments by any Guarantor hereunder shall be made free and clear of and without deduction for any and all present or future taxes or other charges. If Guarantor shall be required by law to deduct any taxes or other charges from or in respect of any sum payable hereunder to the Lender, (i) the sum payable by Guarantor shall be increased as may be necessary so that after making all required deductions (including deductions applicable to additional sums payable under this Section) the Lender receives an amount equal to the sum it would have received had no such deductions been made, (ii) Guarantor shall make such deductions and (iii) Guarantor shall pay the full amount deducted to the relevant taxation authority or other authority in accordance with applicable law. Guarantor
shall indemnify the Lender for and hold it harmless against the full amount of taxes or other charges paid by the Lender and any liability (including penalties, additions to tax, interest and expenses) arising therefrom or with respect thereto. Payment of any amounts subject to this indemnification shall be made within ten (10) days from the date the Lender makes written demand therefor.

          SECTION 6.          Representations and Warranties.  Guarantor hereby represents and warrants as follows:

                      (a)              Guarantor (i) is a Swiss corporation duly formed and validly existing under the laws of Switzerland; (ii) is duly qualified in each jurisdiction in which it owns or leases property or in which the conduct of its business requires it to so qualify or be licensed except where the failure to so qualify or be licensed could not reasonably be expected to have a material adverse effect and (iii) has all requisite power and authority (including, without limitation, all governmental licenses, permits and other approvals) to own or lease and operate its properties and to carry on its business as now conducted and as proposed to be conducted.

                      (b)              The execution, delivery and performance by Guarantor of this Guaranty are within Guarantor’s powers, have been duly authorized by all necessary shareholder and director votes or consents , and do not (i) contravene Guarantor’s charter documents, (ii) violate any, rule, regulation, order, writ, judgment, injunction, decree, determination or award, (iii) conflict with or result in the breach of, or constitute a default under, any material contract, loan agreement, indenture, mortgage, deed of trust, lease or other instrument binding on or affecting Guarantor, or any of its properties or (iv) result in or require the creation or imposition of any lien or encumbrance upon or with respect to any of the properties of Guarantor or Borrower. Neither Guar
antor nor any Borrower is in
violation of any such law, rule, regulation, order, writ, judgment, injunction, decree, determination or award or in breach of any such contract, loan agreement, indenture, mortgage, deed of trust, lease or other instrument, the violation or breach of which could reasonably be expected to have a material adverse effect on either the Guarantor’s or Borrower’s financial condition or business operations or prospects.

                      (c)              No authorization or approval or other action by, and no notice to or filing with, any governmental authority or regulatory body or any other third party required for (i) the due execution, delivery, recordation, filing or performance by Guarantor of this Guaranty or any other Loan Document to which Guarantor is a party and (ii) the exercise by the Lender of its rights under this Guaranty or any other Loan Document to which Guarantor is a party.

                      (d)              There is no action, suit, investigation, litigation or proceeding affecting such Guarantor, including any environmental action proceeding or investigation, pending or to the best of Guarantor’s knowledge threatened before any court, governmental agency or arbitrator that (i) could 

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reasonably be expected to have a material
adverse effect on either the Guarantor’s or Borrower’s financial
condition or business operations or prospects. or (ii)          purports to affect the
legality, validity or enforceability of this Guaranty or any other Loan Document
to which such Guarantor is a party.

                      (e)              This Guaranty and each other Loan Document to which Guarantor is a party has been duly executed and delivered by Guarantor. This Guaranty and each other Loan Document to which Guarantor is a party is the legal, valid and binding obligation of Guarantor, enforceable against Guarantor in accordance with its terms except as may be limited by bankruptcy or insolvency laws or similar laws affecting creditors’ rights generally or by general equitable principles.

                      (f)              There are no conditions precedent to the effectiveness of this Guaranty that have not been satisfied or waived.

                      (g)              Guarantor has, independently and without reliance upon the Lender and based on such documents and information as it has deemed appropriate, made its own credit analysis and decision to enter into this Guaranty, and Guarantor has established adequate means of obtaining from the Borrower on a continuing basis information pertaining to, and is now and on a continuing basis will be completely familiar with, the financial condition, operations, properties and prospects of the Borrower.

          SECTION 7.          Covenants.  Guarantor covenants and agrees that, so long as any part of the Guaranteed Obligations shall remain unpaid, Guarantor will at all times perform or observe, all of the terms, covenants and agreements that Guarantor is required to perform or observe under the terms of the Loan Documents, including but not limited to the terms of that certain Patent Assignment and Security Agreement dated of even date herewith from Guarantor in favor of Lender.

          SECTION 8.          Amendments, Etc.  No amendment or waiver of any provision of this Guaranty and no consent to any departure by Guarantor therefrom shall in any event be effective unless the same shall be in writing and signed by the Lender.

          SECTION 9.          Notices, Etc.  In the event of the occurrence of an Event of Default with respect to the Guaranteed Obligations, Lender shall provide Guarantor with thirty (30) days written notice of default before exercising its rights and remedies with respect to Guarantor and any collateral granted by Guarantor. All notices and other communications provided for hereunder shall be in writing (including telegraphic, telecopy or telex communication) and mailed, telegraphed, telecopied, telexed or delivered to it, if to Guarantor, to Borrower at Borrower’s address set forth in the Loan Agreement and if to the Lender, at its address specified in the Loan Agreement, or as to any party at such other address as shall be designated by such party in a written notice to each other party. All such notices and other communications shall, when
mailed, telecopied, telexed or sent by courier, be effective when deposited in the mails, transmitted by telecopier, confirmed by telex answerback or delivered to the overnight courier, respectively. Delivery by telecopier of an executed counterpart of any amendment or waiver of any provision of this Guaranty shall be effective as delivery of a manually executed counterpart thereof.

          SECTION 10.        No Waiver: Remedies. No failure on the part of the Lender to exercise, and no delay in exercising, any right hereunder shall operate as a waiver thereof; nor shall any single or partial exercise of any right hereunder preclude any other or further exercise thereof or the exercise of any other right. The remedies herein provided are cumulative and not exclusive of any remedies provided by law.

          SECTION 11.        Indemnification. Without limitation on any other Guaranteed Obligations of Guarantor or remedies of the Lender under this Guaranty, Guarantor shall, to the fullest extent permitted by law, indemnify, defend and save and hold harmless the Lender from and against, and shall pay on demand, any and all losses, liabilities, damages, costs, expenses and charges (including the reasonable fees and disbursements of the Lender’s legal counsel) suffered or incurred by the Lender as a result of any failure of any Guaranteed Obligations to be the legal, valid and binding obligations of Guarantor enforceable against Guarantor in accordance with their terms.

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          SECTION 12.        Continuing Guaranty Assignments under the Loan Agreement. This Guaranty is a continuing guaranty and shall (a) remain in full force and effect until the indefeasible payment in full in cash of the Guaranteed Obligations and all other amounts payable under this Guaranty and the final termination of the Loan Agreement; (b) be binding upon Guarantor, its successors and assigns; and (c) inure to the benefit of and be enforceable by the Lender and its successors, transferees and assigns. Without limiting the generality of the foregoing clause (c) the Lender may assign or otherwise transfer all or any portion of its rights and obligations under the Loan Agreement (including, without limitation, all or any portion of the loans owing to it and the Loan Documents) to any other person or party, and such other person or party shall
thereupon become vested with all the benefits in respect thereof granted to Lender herein or otherwise, in each case as and to the extent provided in the Loan Documents. Guarantor shall not have the right to assign its rights hereunder or any interest herein without the prior written consent of the Lender.

          SECTION 13.        Massachusetts Law. This Agreement is intended to take effect as a sealed instrument and has been executed or completed and is to be performed in Massachusetts, and it and all transactions thereunder or pursuant thereto shall be governed as to interpretation, validity, effect, rights, duties and remedies of the parties thereunder and in all other respects by the domestic laws of Massachusetts.

          SECTION 14.        Massachusetts Venue.  The Guarantor irrevocably (a) submits to the nonexclusive jurisdiction of any federal or state court sitting in Massachusetts, over any suit, action or proceeding arising out of or relating to this Agreement and (b) waives, to the fullest extent it may effectively do so under applicable law, any objection it may now or hereafter have to the laying of the venue of any such suit, action or proceeding brought in any such court and any claim that the same has been brought in an inconvenient forum.

          SECTION 15.  JURY WAIVER. THE GUARANTOR HEREBY KNOWINGLY, VOLUNTARILY AND INTENTIONALLY, AND AFTER AN OPPORTUNITY TO CONSULT WITH LEGAL COUNSEL, WAIVES ANY AND ALL RIGHTS TO A TRIAL BY JURY IN ANY ACTION OR PROCEEDING IN CONNECTION WITH THIS GUARANTY, THE OBLIGATIONS HEREUNDER, AND ALL MATTERS CONTEMPLATED HEREBY AND DOCUMENTS EXECUTED IN CONNECTION HEREWITH, AS WELL AS ANY RIGHT IT MAY HAVE OR HEREAFTER HAVE TO SPECIAL, INCIDENTIAL OR CONSEQUENTIAL DAMAGES.

          IN WITNESS WHEREOF, Guarantor has caused this Agreement to be executed under seal as of the day and year first written above.

	
   
  	
  BRIGHTEC S.A., f/k/a Lumitech S.A.
  
	
   
  	
   
  	
   
  
	
   
  	
   
  	
   
  
	
   
  	
  By:
  	
  /s/ Patrick   Planche
  
	
   
  	
   
  	
  

  
	
   
  	
   
  	
  Patrick   Planche, President and Director
  

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