Document:

Security Agreement

 Exhibit 10.14 
 SECURITY AGREEMENT 
 This SECURITY AGREEMENT, dated as of December 30, 2005 (the
“Agreement”) is by and among Irvine Sensors Corporation., a corporation duly organized and validly existing under the laws of the State of Delaware (the “Company”), the Purchasers identified on the signature pages
hereto (each, a “Purchaser” and collectively, the “Purchasers”) and Pequot Private Equity Fund III, L.P., as agent for the Purchasers (in such capacity, together with its successors in such capacity, the
“Agent”). 
 The Company and each of the Purchasers are parties to a Securities Purchase Agreement dated as of the date
hereof (as modified and supplemented and in effect from time to time, the “Purchase Agreement”), that provides, subject to the terms and conditions thereof, for the issuance and sale by the Company to each of the Purchasers,
severally and not jointly, Notes and Warrants as more fully described in the Purchase Agreement. 
 To induce each of the Purchasers to enter
into the Purchase Agreement, and for other good and valuable consideration, the receipt and sufficiency of which are hereby acknowledged, the Company has agreed to pledge and grant a security interest in the Collateral (as hereinafter defined) as
security for the Secured Obligations (as hereinafter defined). Accordingly, the parties hereto agree as follows: 
 Section 1.
Definitions. Each capitalized term used herein and not otherwise defined shall have the meaning assigned to such term in the Purchase Agreement. In addition, as used herein: 
 “Accounts” shall have the meaning ascribed thereto in Section 3(d) hereof. 
 “Business” shall mean the businesses from time to time, now or hereafter, conducted by the Company and its Subsidiaries. 
 “Collateral” shall have the meaning ascribed thereto in Section 3 hereof. 
 “Copyright Collateral” shall mean all Copyrights, whether now owned or hereafter acquired by the Company, that are associated with the
Business. 
 “Copyrights” shall mean all copyrights, copyright registrations and applications for copyright registrations,
including, without limitation, all renewals and extensions thereof, the right to recover for all past, present and future infringements thereof, and all other rights of any kind whatsoever accruing thereunder or pertaining thereto. 
 “Documents” shall have the meaning ascribed thereto in Section 3(j) hereof. 
 “Equipment” shall have the meaning ascribed thereto in Section 3(h) hereof. 
 “Event of Default” shall have the meaning ascribed thereto in Section 8 of the Notes. 
 “Excluded Collateral” shall mean those assets of the Company, as listed on Annex 2 hereto, which both (i) have not been
pledged or assigned to any other Person (including the holder(s) of Permitted Indebtedness) and (ii) cannot be assigned (but only to the extent such prohibition on assignment is enforceable under applicable law, including, without limitation,
Sections 9-406 and 9-408 of the UCC). 
 “Instruments” shall have the meaning ascribed thereto in Section 3(e) hereof.

 “Intellectual Property” shall mean, collectively, all Copyright Collateral, all Patent Collateral and all Trademark
Collateral, together with (a) all inventions, processes, production methods, proprietary information, 

 
know-how and trade secrets used or useful in the Business; (b) all licenses or user or other agreements granted to the Company with respect to any of
the foregoing, in each case whether now or hereafter owned or used including, without limitation, the licenses or other agreements with respect to the Copyright Collateral, the Patent Collateral or the Trademark Collateral; (c) all customer
lists, identification of suppliers, data, plans, blueprints, specifications, designs, drawings, recorded knowledge, surveys, manuals, materials standards, processing standards, catalogs, computer and automatic machinery software and programs, and
the like pertaining to the operation by the Company of the Business; (d) all sales data and other information relating to sales now or hereafter collected and/or maintained by the Company that pertain to the Business; (e) all accounting
information which pertains to the Business and all media in which or on which any of the information or knowledge or data or records which pertain to the Business may be recorded or stored and all computer programs used for the compilation or
printout of such information, knowledge, records or data; (f) all licenses, consents, permits, variances, certifications and approvals of governmental agencies now or hereafter held by the Company pertaining to the operation by the Company and
its Subsidiaries of the Business; and (g) all causes of action, claims and warranties now or hereafter owned or acquired by the Company in respect of any of the items listed above. 
 “Inventory” shall have the meaning ascribed thereto in Section 3(f) hereof. 
 “Issuers” shall mean, collectively, the respective entities identified on Annex 1 hereto, and all other entities formed by the
Company or entities in which the Company owns or acquires any capital stock or similar interest, except for 3D Microelectronics, Inc. and 3D Microsystems, Inc. (provided they are dissolved prior to March 1, 2006). 
 “Lien” shall mean any mortgage or deed of trust, pledge, hypothecation, assignment, deposit arrangement, lien, charge, claim, security
interest, easement or encumbrance, or preference, priority or other security agreement or preferential arrangement of any kind or nature whatsoever (including any lease or title retention agreement, any financing lease having substantially the same
economic effect as any of the foregoing, and the filing of, or agreement to give, any financing statement perfecting a security interest under the Uniform Commercial Code or comparable law of any jurisdiction). 
 “Motor Vehicles” shall mean motor vehicles, tractors, trailers and other like property, whether or not the title thereto is governed by
a certificate of title or ownership. 
 “Patent Collateral” shall mean all Patents, whether now owned or hereafter acquired
by the Company that are associated with the Business. 
 “Patents” shall mean all patents and patent applications,
including, without limitation, the inventions and improvements described and claimed therein together with the reissues, divisions, continuations, renewals, extensions and continuations-in-part thereof, all income, royalties, damages and payments
now or hereafter due and/or payable under and with respect thereto, including, without limitation, damages and payments for past or future infringements thereof, the right to sue for past, present and future infringements thereof, and all rights
corresponding thereto throughout the world. 
 “Permitted Indebtedness” shall mean the Indebtedness permitted pursuant to
Section 4.10(a) of the Purchase Agreement and the Notes. 
 “Permitted Liens” shall mean the Liens permitted pursuant
to Section 4.10(b) of the Purchase Agreement and additionally, with respect to Pledged Stock, any restrictions on transfer arising under federal or state securities laws and regulations. 
 “Pledged Stock” shall have the meaning ascribed thereto in Section 3(a) hereof. 
 “Real Estate” shall have the meaning ascribed thereto in Section 3(l) hereof. 
 “Secured Obligations” shall mean, collectively, (a) the principal of and interest on the Notes issued or issuable (as applicable)
by the Company and held by the applicable Purchaser and all other amounts from 

  

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time to time owing to such Purchasers by the Company under the Purchase Agreement and the Notes and (b) all obligations of the Company to such
Purchasers thereunder. 
 “Stock Collateral” shall mean, collectively, the Collateral described in clauses (a) through
(c) of Section 3 hereof and the proceeds of and to any such property and, to the extent related to any such property or such proceeds, all books, correspondence, credit files, records, invoices and other papers. 
 “Subordination Agreement” shall mean that certain Subordination Agreement dated the date hereof by and among the Purchasers and Square 1
Bank. 
 “Trademark Collateral” shall mean all Trademarks, whether now owned or hereafter acquired by the Company, that are
associated with the Business. Notwithstanding the foregoing, the Trademark Collateral does not and shall not include any Trademark which would be rendered invalid, abandoned, void or unenforceable by reason of its being included as part of the
Trademark Collateral. 
 “Trademarks” shall mean all trade names, trademarks and service marks, logos, trademark and service
mark registrations, and applications for trademark and service mark registrations, including, without limitation, all renewals of trademark and service mark registrations, all rights corresponding thereto throughout the world, the right to recover
for all past, present and future infringements thereof, all other rights of any kind whatsoever accruing thereunder or pertaining thereto, together, in each case, with the product lines and goodwill of the business connected with the use of, and
symbolized by, each such trade name, trademark and service mark. 
 “Uniform Commercial Code” or “UCC”
shall mean the Uniform Commercial Code as in effect in the State of New York from time to time. 
 Section 2. Representations and
Warranties. The Company represents and warrants to each of the Purchasers that: 
 a. the Company is the sole beneficial
owner of the Collateral and no Lien exists or will exist upon any Collateral at any time (and, with respect to the Stock Collateral, no right or option to acquire the same exists in favor of any other Person), except for Permitted Liens and the
pledge and security interest in favor of each of the Purchasers created or provided for herein which pledge and security interest constitutes a first priority perfected pledge and security interest in and to all of the Collateral (except such
Collateral as may be subject to a Permitted Lien, in which case, a second priority perfected security interest), assuming applicable financing statements are been duly and properly filed (other than Intellectual Property of the Company registered or
otherwise located outside of the United States of America); 
 b. the Pledged Stock directly or indirectly owned by the
Company in the entities identified in Annex 1 hereto is, and all other Pledged Stock, whether issued now or in the future, will be, duly authorized, validly issued, fully paid and nonassessable, free and clear of all Liens other than
Permitted Liens and none of such Pledged Stock is or will be subject to any contractual restriction, preemptive and similar rights, or any restriction under the charter or by-laws of the respective Issuers of such Pledged Stock, upon the transfer of
such Pledged Stock (except for any such restriction contained herein or in the Loan and Security Agreement dated as of the date hereof between the Company and Square 1 Bank); 
 c. the Pledged Stock directly or indirectly owned by the Company in the entities identified in Annex 1 hereto constitutes all of
the issued and outstanding shares of capital stock of any class of such Issuers beneficially owned by the Company on the date hereof (whether or not registered in the name of the Company) and said Annex 1 correctly identifies, as at the date
hereof, the respective Issuers of such Pledged Stock; 
 d. the Company owns and possesses the right to use, and except as may
be set forth in said Annex 3, has done nothing to authorize or enable any other Person to use, all of its Copyrights, Patents and Trademarks, and all registrations of its material Copyrights, Patents and Trademarks (other than licenses which
are not material) are valid and in full force and effect. Except as may be set forth in said Annex 3, the Company owns or possesses the right to use all material Copyrights, Patents and Trademarks, necessary for the operation of the Business;

  

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 e. to the Company’s knowledge, (i) except as set forth in Annex 3
hereto, there is no violation by others of any right of the Company with respect to any material Copyrights, Patents or Trademarks, respectively, and (ii) the Company is not, in connection with the Business, infringing in any respect upon any
Copyrights, Patents or Trademarks of any other Person; and no proceedings have been instituted or are pending against the Company or, to the Company’s knowledge, threatened, and no claim against the Company has been received by the Company,
alleging any such violation, except as may be set forth in said Annex 3; and 
 f. the Company does not own any
material Trademarks registered in the United States of America to which the last sentence of the definition of Trademark Collateral applies. 
 Section 3. Collateral. As collateral security for the prompt payment in full when due (whether at stated maturity, by acceleration or otherwise) of the Secured Obligations, the Company hereby pledges, grants, assigns,
hypothecates and transfers to the Agent on behalf of the Purchasers as hereinafter provided, a security interest in and Lien upon all of the Company’s right, title and interest in, to and under all personal property and other assets of the
Company, whether now owned or hereafter acquired by or arising in favor of the Company, whether now existing or hereafter coming into existence, whether owned or consigned by or to the Company, or leased from or to the Company and regardless of
wherever located, except for the Excluded Collateral (all being collectively referred to herein as “Collateral”) including: 
 a. the Company’s direct or indirect ownership interest in the respective shares of capital stock of the Issuers and all other shares of capital stock of whatever class of the Issuers, now or hereafter owned by
the Company, together with in each case the certificates evidencing the same (collectively, the “Pledged Stock”); 
 b. all shares, securities, moneys or property representing a dividend on any of the Pledged Stock, or representing a distribution or return of capital upon or in respect of the Pledged Stock, or resulting from a split-up, revision,
reclassification or other like change of the Pledged Stock or otherwise received in exchange therefor, and any subscription warrants, rights or options issued to the holders of, or otherwise in respect of, the Pledged Stock; 
 c. without affecting the obligations of the Company under any provision prohibiting such action hereunder or under the Purchase Agreement
or the Notes, in the event of any consolidation or merger in which any Issuer is not the surviving corporation, all shares of each class of the capital stock of the successor corporation (unless such successor corporation is the Company itself)
formed by or resulting from such consolidation or merger (the Pledged Stock, together with all other certificates, shares, securities, properties or moneys as may from time to time be pledged hereunder pursuant to clause (a) or (b) above
and this clause (c) being herein collectively called the “Stock Collateral”); 
 d. all accounts and
general intangibles (each as defined in the Uniform Commercial Code) of the Company constituting any right to the payment of money, including (but not limited to) all moneys due and to become due to the Company in respect of any loans or advances
for the purchase price of Inventory or Equipment or other goods sold or leased or for services rendered, all moneys due and to become due to the Company under any guarantee (including a letter of credit) of the purchase price of Inventory or
Equipment sold by the Company and all tax refunds (such accounts, general intangibles and moneys due and to become due being herein called collectively “Accounts”); 
 e. all instruments, chattel paper or letters of credit (each as defined in the Uniform Commercial Code) of the Company evidencing,
representing, arising from or existing in respect of, relating to, securing or otherwise supporting the payment of, any of the Accounts, including (but not limited to) promissory notes, drafts, bills of exchange and trade acceptances (herein
collectively called “Instruments”); 
  

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 f. all inventory (as defined in the Uniform Commercial Code) of the Company and all goods
obtained by the Company in exchange for such inventory (herein collectively called “Inventory”); 
 g. all
Intellectual Property of the Company and all other accounts or general intangibles of the Company not constituting Intellectual Property or Accounts; 
 h. all equipment (as defined in the Uniform Commercial Code) of the Company (herein collectively called “Equipment”); 
 i. each contract and other agreement of the Company relating to the sale or other disposition of Inventory or Equipment; 
 j. all documents of title (as defined in the Uniform Commercial Code) or other receipts of the Company covering, evidencing or
representing Inventory or Equipment (herein collectively called “Documents”); 
 k. all rights, claims and
benefits of the Company against any Person arising out of, relating to or in connection with Inventory or Equipment purchased by the Company, including, without limitation, any such rights, claims or benefits against any Person storing or
transporting such Inventory or Equipment; 
 l. all estates of the Company in land together with all improvements and other
structures now or hereafter situated thereon, together with all rights, privileges, tenements, hereditaments, appurtenances, easements, including, but not limited to, rights and easements for access and egress and utility connections, and other
rights now or hereafter appurtenant thereto (“Real Estate”); 
 m. all other tangible or intangible property
of the Company, including, without limitation, all proceeds, products and accessions of and to any of the property of the Company described in clauses (a) through (l) above in this Section 3 (including, without limitation, any
proceeds of insurance thereon), and, to the extent related to any property described in said clauses or such proceeds, products and accessions, all books, correspondence, credit files, records, invoices and other papers, including without limitation
all tapes, cards, computer runs and other papers and documents in the possession or under the control of the Company or any computer bureau or service company from time to time acting for the Company. 
 Section 4. Further Assurances; Remedies. In furtherance of the grant of the pledge and security interest pursuant to Section 3 hereof,
the Company hereby agrees with the Agent and each of the Purchasers as follows: 
 4.01 Delivery and Other Perfection. Subject to the
terms of the Subordination Agreement, the Company shall: 
 a. if any of the above-described shares, securities, monies or
property required to be pledged by the Company under clauses (a), (b) and (c) of Section 3 hereof are received by the Company, forthwith either (x) deliver and pledge to the Agent such shares or securities so received by the
Company (together with the certificates for any such shares and securities duly endorsed in blank or accompanied by undated stock powers duly executed in blank) all of which thereafter shall be held by the Agent, pursuant to the terms of this
Agreement, as part of the Collateral or (y) take such other action as the Agent shall reasonably deem necessary or appropriate to duly record the Lien created hereunder in such shares, securities, monies or property referred to in said clauses
(a), (b) and (c) of Section 3; 
 b. deliver and pledge to the Agent, at the Agent’s request, any and all
Instruments, endorsed and/or accompanied by such instruments of assignment and transfer in such form and substance as the Agent may request; provided, that so long as no Event of Default shall have occurred and be continuing, the Company may retain
for collection in the ordinary course any Instruments received by it in the ordinary course of business and any Instruments relating to government contracts; 
  

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 c. give, execute, deliver, file and/or record any financing statement, notice,
instrument, document, agreement or other papers that may be necessary or desirable (in the reasonable judgment of the Agent) to create, preserve, perfect or validate any security interest granted pursuant hereto or to enable the Agent to exercise
and enforce their rights hereunder with respect to such security interest, including, without limitation, causing any or all of the Stock Collateral to be re-registered as pledged into the name of the Agent or its nominee (and the Agent agrees that
if any Stock Collateral is registered into its name or the name of its nominee for the benefit of the Company, the Agent will thereafter promptly give to the Company copies of any notices and communications received by it with respect to the Stock
Collateral), provided that notices to account debtors in respect of any Accounts or Instruments shall be subject to the provisions of Section 4.09 below; 
 d. upon the acquisition after the date hereof by the Company of any Equipment covered by a certificate of title or ownership cause the
Agent to be listed as the lienholder on such certificate of title and within 120 days of the acquisition thereof deliver evidence of the same to the Agent; 
 e. keep accurate books and records relating to the Collateral, and stamp or otherwise mark such books and records in such manner as the Agent may reasonably require in order to reflect the security interests granted
by this Agreement; 
 f. furnish to the Agent from time to time (but, unless an Event of Default shall have occurred and be
continuing, no more frequently than quarterly) statements and schedules further identifying and describing the Copyright Collateral, the Patent Collateral and the Trademark Collateral, respectively, and such other reports in connection with the
Copyright Collateral, the Patent Collateral and the Trademark Collateral, as the Agent may reasonably request, all in reasonable detail; 
 g. permit representatives of the Agent, upon reasonable notice, at any time during normal business hours to inspect and make abstracts from its books and records pertaining to the Collateral, and permit
representatives of the Agent to be present at the Company’s place of business to receive copies of all communications and remittances relating to the Collateral, and forward copies of any notices or communications by the Company with respect to
the Collateral, all in such manner as the Agent may reasonably require; provided, however, that the Company shall not be required to provide such Purchaser access to any information or by any representatives of the Agent if the Company reasonably
determines that access to such information or by such representatives (x) would adversely affect the attorney-client privilege between the Company and its counsel, and (y) cannot be provided to the Purchasers in a manner that would avoid
the adverse affect on the attorney-client privilege between the Company and its counsel or the disclosure of trade secrets, material nonpublic information or other confidential or proprietary information, as applicable; and 
 h. upon the occurrence and during the continuance of any Event of Default, upon request of the Agent, promptly notify each account debtor
in respect of any Accounts or Instruments that such Collateral has been assigned to the Agent hereunder, and that any payments due or to become due in respect of such Collateral are to be made directly to the Agent. 
 4.02 Other Financing Statements and Liens. Except with respect to Liens securing Permitted Indebtedness, without the prior written consent of the
Agent, the Company shall not file or suffer to be on file, or authorize or permit to be filed or to be on file, in any jurisdiction, any financing statement or like instrument with respect to the Collateral in which the Agent is not named as the
sole secured party for the benefit of each of the Purchasers. 
 4.03 Preservation of Rights. The Agent shall not be required to take
steps necessary to preserve any rights against prior parties to any of the Collateral. 
 4.04 Special Provisions Relating to Certain
Collateral. 
 a. Stock Collateral. 
  

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 (1) The Company will cause the Stock Collateral to constitute at all times 100% of the
total number of shares of each class of capital stock of each Issuer then outstanding that is owned directly or indirectly by the Company. 
 (2) So long as no Event of Default shall have occurred and be continuing, the Company shall have the right to exercise all voting, consensual and other powers of ownership pertaining to the Stock Collateral for all
purposes not inconsistent with the terms of this Agreement, any other Transaction Document or any other instrument or agreement referred to herein or therein, provided that the Company agrees that it will not vote the Stock Collateral in any manner
that is inconsistent with the terms of this Agreement, any other Transaction Document or any such other instrument or agreement; and the Agent shall execute and deliver to the Company or cause to be executed and delivered to the Company all such
proxies, powers of attorney, dividend and other orders, and all such instruments, without recourse, as the Company may reasonably request for the purpose of enabling the Company to exercise the rights and powers which it is entitled to exercise
pursuant to this Section 4.04(a)(2). 
 (3) Unless and until an Event of Default has occurred and is continuing, the
Company shall be entitled to receive and retain any dividends on the Stock Collateral paid in cash out of earned surplus. 
 (4) If any Event of Default shall have occurred, then so long as such Event of Default shall continue, and whether or not the Agent exercises any available right to declare any Secured Obligations due and payable or seeks or pursues any
other relief or remedy available to it under applicable law or under this Agreement, the Purchase Agreement, the Notes or any other agreement relating to such Secured Obligations, all dividends and other distributions on the Stock Collateral shall
be paid directly to the Agent and retained by it as part of the Stock Collateral, subject to the terms of this Agreement, and, if the Agent shall so request in writing, the Company agrees to execute and deliver to the Agent appropriate additional
dividend, distribution and other orders and documents to that end, provided that if such Event of Default is cured, any such dividend or distribution theretofore paid to the Agent shall, upon request of the Company (except to the extent theretofore
applied to the Secured Obligations) be returned by the Agent to the Company. 
 b. Intellectual Property. 

(1) For the purpose of enabling the Agent to exercise rights and remedies under Section 4.05 hereof at such time as the Agent
shall be lawfully entitled to exercise such rights and remedies, and for no other purpose, the Company hereby grants to the Agent, to the extent assignable, an irrevocable, non-exclusive license (exercisable without payment of royalty or other
compensation to the Company) to use, assign, license or sublicense any of the Intellectual Property (other than the Trademark Collateral or goodwill associated therewith) now owned or hereafter acquired by the Company, wherever the same may be
located, including in such license reasonable access to all media in which any of the licensed items may be recorded or stored and to all computer programs used for the compilation or printout thereof. 
 (2) Notwithstanding anything contained herein to the contrary, so long as no Event of Default shall have occurred and be continuing, the
Company will be permitted to exploit, use, enjoy, protect, license, sublicense, assign, sell, dispose of or take other actions with respect to the Intellectual Property in the ordinary course of the business of the Company. In furtherance of the
foregoing, unless an Event of Default shall have occurred and is continuing, the Agent shall from time to time, upon the request of the Company, execute and deliver any instruments, certificates or other documents, in the form so requested, which
the Company shall have certified are appropriate (in its judgment) to allow it to take any action permitted above (including relinquishment of the license provided pursuant to clause (1) immediately above as to any specific Intellectual
Property). Further, upon the payment in full of all of the Secured Obligations or earlier expiration of this Agreement or release of the Collateral, the Agent shall grant back to the Company the license granted pursuant to clause
(1) immediately above. The exercise of rights and remedies under Section 4.05 hereof by the Agent shall not terminate the rights of the holders of any licenses or sublicenses theretofore granted by the Company in accordance with the first
sentence of this clause (2). 
  

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 4.05 Events of Default, etc. During the period during which an Event of Default shall have
occurred and be continuing: 
 a. the Company shall, at the request of the Agent, assemble the Collateral owned by it at such
place or places, reasonably convenient to both the Agent and the Company, designated in its request; 
 b. the Agent may make
any reasonable compromise or settlement deemed desirable with respect to any of the Collateral and may extend the time of payment, arrange for payment in installments, or otherwise modify the terms of, any of the Collateral; 
 c. the Agent shall have all of the rights and remedies with respect to the Collateral of a secured party under the Uniform Commercial Code
(whether or not said Code is in effect in the jurisdiction where the rights and remedies are asserted) and such additional rights and remedies to which a secured party is entitled under the laws in effect in any jurisdiction where any rights and
remedies hereunder may be asserted, including, without limitation, the right, to the maximum extent permitted by law, to exercise all voting, consensual and other powers of ownership pertaining to the Collateral as if the Agent were the sole and
absolute owner thereof (and the Company agrees to take all such action as may be appropriate to give effect to such right); 
 d. the Agent in its discretion may, in its name or in the name of the Company or otherwise, demand, sue for, collect or receive any money or property at any time payable or receivable on account of or in exchange for any of the Collateral,
but shall be under no obligation to do so; and 
 e. the Agent may upon 10 Business Days’ prior written notice to the
Company of the time and place, with respect to the Collateral or any part thereof which shall then be or shall thereafter come into the possession, custody or control of the Agent, or any of its respective agents, sell, lease, assign or otherwise
dispose of all or any of such Collateral, at such place or places as the Agent deems best, and for cash or on credit or for future delivery (without thereby assuming any credit risk), at public or private sale, without demand of performance or
notice of intention to effect any such disposition or of time or place thereof (except such notice as is required above or by applicable statute and cannot be waived) and the Agent or anyone else may be the purchaser, lessee, assignee or recipient
of any or all of the Collateral so disposed of at any public sale (or, to the extent permitted by law, at any private sale), and thereafter hold the same absolutely, free from any claim or right of whatsoever kind, including any right or equity of
redemption (statutory or otherwise), of the Company, any such demand, notice or right and equity being hereby expressly waived and released. In the event of any sale, assignment, or other disposition of any of the Trademark Collateral, the goodwill
of the Business connected with and symbolized by the Trademark Collateral subject to such disposition shall be included, and the Company shall supply to the Agent or its designee, for inclusion in such sale, assignment or other disposition, all
Intellectual Property relating to such Trademark Collateral. The Agent may, without notice or publication, adjourn any public or private sale or cause the same to be adjourned from time to time by announcement at the time and place fixed for the
sale, and such sale may be made at any time or place to which the same may be so adjourned. 
 The proceeds of each collection, sale or other disposition
under this Section 4.05, including by virtue of the exercise of the license granted to the Agent in Section 4.04(b)(1) hereof, shall be applied in accordance with Section 4.09 hereof. 
 The Company recognizes that, by reason of certain prohibitions contained in the Securities Act of 1933, as amended, and applicable state securities laws,
the Agent may be compelled, with respect to any sale of all or any part of the Collateral, to limit purchasers to those who will agree, among other things, to acquire the Collateral for their own account, for investment and not with a view to the
distribution or resale thereof. The Company acknowledges that any such private sales to an unrelated third party in an arm’s length transaction may be at prices and on terms less favorable to the Agent than those obtainable through a public
sale without such restrictions, and, notwithstanding such circumstances, agrees that any such private sale shall be deemed to have been made in a commercially reasonable manner and that the Agent shall have no obligation to engage in public sales
and no obligation to delay the sale of any Collateral for the period of time necessary to permit the respective Issuer thereof to register it for public sale. 
  

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 4.06 Deficiency. If the proceeds of sale, collection or other realization of or upon the
Collateral pursuant to Section 4.05 hereof are insufficient to cover the costs and expenses of such realization and the payment in full of the Secured Obligations, the Company shall remain liable for any deficiency. 
 4.07 Removals, etc. Without at least 30 days’ prior written notice to the Agent, the Company shall not (i) maintain any of its books or
records with respect to the Collateral at any office or maintain its chief executive office or its principal place of business at any place, or permit any Inventory or Equipment to be located anywhere other than at the address indicated for the
Company in Section 7.4 of the Purchase Agreement or at one of the locations identified in Annex 4 hereto or in transit from one of such locations to another or (ii) change its corporate name, or the name under which it does
business, from the name shown on the signature page hereto. 
 4.08 Private Sale. The Agent shall incur no liability as a result of
the sale of the Collateral, or any part thereof, at any private sale to an unrelated third party in an arm’s length transaction pursuant to Section 4.05 hereof conducted in a commercially reasonable manner. The Company hereby waives any
claims against the Agent arising by reason of the fact that the price at which the Collateral may have been sold at such a private sale was less than the price which might have been obtained at a public sale or was less than the aggregate amount of
the Secured Obligations, even if the Agent accepts the first offer received and does not offer the Collateral to more than one offeree. 
 4.09 Application of Proceeds. Except as otherwise herein expressly provided, the proceeds of any collection, sale or other realization of all or any part of the Collateral pursuant hereto, and any other cash at the time held by the
Agent under this Section 4, shall be applied by the Agent: 
 First, to the payment of the costs and expenses of such collection,
sale or other realization, including reasonable out-of-pocket costs and expenses of the Agent and the fees and expenses of its agents and counsel, and all expenses, and advances made or incurred by the Agent in connection therewith; 
 Next, to the payment in full of the Secured Obligations in each case equally and ratably in accordance with the respective amounts thereof then
due and owing to each of the Purchasers; and 
 Finally, to the payment to the Company, or its successors or assigns, or as a court of
competent jurisdiction may direct, of any surplus then remaining. 
 As used in this Section 4, “proceeds” of Collateral shall mean
cash, securities and other property realized in respect of, and distributions in kind of, Collateral, including any thereof received under any reorganization, liquidation or adjustment of debt of the Company or any issuer of or obligor on any of the
Collateral. 
 4.10 Attorney-in-Fact. Without limiting any rights or powers granted by this Agreement to the Agent while no Event of
Default has occurred and is continuing, upon the occurrence and during the continuance of any Event of Default, the Agent is hereby appointed the attorney-in-fact of the Company for the purpose of carrying out the provisions of this Section 4
and taking any action and executing any instruments which the Agent may deem necessary or advisable to accomplish the purposes hereof, which appointment as attorney-in-fact is irrevocable and coupled with an interest. Without limiting the generality
of the foregoing, so long as the Purchasers shall be entitled under this Section 4 to make collections in respect of the Collateral, the Agent shall have the right and power to receive, endorse and collect all checks made payable to the order
of the Company representing any dividend, payment, or other distribution in respect of the Collateral or any part thereof and to give full discharge for the same. 
 4.11 Perfection. (i) Prior to or concurrently with the execution and delivery of this Agreement, the Company shall file or deliver to Agent for filing such financing statements and other documents in such
offices as the Agent may request to perfect the security interests granted by Section 3 of this Agreement, and (ii) at any time requested by the Agent, the Company shall deliver to the Agent all share certificates of capital stock 

  

 9 

 
directly or indirectly owned by the Company in the entities identified in Annex 1 hereto, accompanied by undated stock powers duly executed in blank
(subject to the terms and conditions of the Subordination Agreement). 
 4.12 Termination. When all Secured Obligations shall have
been indefeasibly paid in full, this Agreement shall immediately terminate without any further action on the part of either party, and the Agent shall forthwith cause to be assigned, transferred and delivered, against receipt but without any
recourse, warranty or representation whatsoever, any remaining Collateral and money received in respect thereof, to or on the order of the Company and to be released and cancelled all licenses and rights referred to in Section 4.04(b)(1)
hereof. The Agent shall also execute and deliver to the Company upon such termination such Uniform Commercial Code termination statements, certificates for terminating the Liens on the Motor Vehicles and such other documentation as shall be
reasonably requested by the Company to effect the termination and release of the Liens on the Collateral. 
 4.13 Expenses. The
Company agrees to pay to the Agent all reasonable out-of-pocket expenses (including reasonable expenses for legal services of every kind) of, or incident to, the enforcement of any of the provisions of this Section 4, or performance by the
Agent of any obligations of the Company in respect of the Collateral which the Company has failed or refused to perform upon reasonable notice, or any actual or attempted sale, or any exchange, enforcement, collection, compromise or settlement in
respect of any of the Collateral, and for the care of the Collateral and defending or asserting rights and claims of the Agent in respect thereof, by litigation or otherwise, including expenses of insurance, and all such expenses shall be Secured
Obligations to the Agent secured under Section 3 hereof. 
 4.14 Further Assurances. The Company agrees that, from time to time
upon the written request of the Agent, the Company will execute and deliver such further documents and do such other acts and things as the Agent may reasonably request in order fully to effect the purposes of this Agreement. 
 4.15 Indemnity. Each of the Purchasers hereby jointly and severally covenants and agrees to reimburse, indemnify and hold the Agent harmless from
and against any and all claims, actions, judgments, damages, losses, liabilities, costs, transfer or other taxes, and expenses (including, without limitation, reasonable attorneys’ fees and expenses) incurred or suffered without any bad faith
or willful misconduct by the Agent, arising out of or incident to this Agreement or the administration of the Agent’s duties hereunder, or resulting from its actions or inactions as Agent. 
 Section 5. Miscellaneous. 
 5.01 No Waiver. No failure on the part of the Agent or any of its agents to exercise, and no course of dealing with respect to, and no delay in exercising, any right, power or remedy hereunder shall operate as a waiver thereof; nor
shall any single or partial exercise by the Agent or any of its agents of any right, power or remedy hereunder preclude any other or further exercise thereof or the exercise of any other right, power or remedy. The remedies herein are cumulative and
are not exclusive of any remedies provided by law. 
 5.02 Governing Law. This Agreement shall be governed by, and construed in
accordance with, the law of the State of New York. 
 5.03 Notices. All notices, requests, consents and demands hereunder shall be in
writing and facsimile (facsimile confirmation required) or delivered to the intended recipient at its address or telex number specified pursuant to Section 7.4 of the Purchase Agreement and shall be deemed to have been given at the times
specified in said Section 7.4. 
 5.04 Waivers, etc. The terms of this Agreement may be waived, altered or amended only by an
instrument in writing duly executed by the Company and the Agent. Any such amendment or waiver shall be binding upon each of the Purchasers and the Company. 
 5.05 Successors and Assigns. This Agreement shall be binding upon and inure to the benefit of the respective successors and assigns of the Company and each of the Purchasers (provided, however, that the Company
shall not assign or transfer its rights hereunder without the prior written consent of the Agent). 
  

 10 

 5.06 Counterparts. This Agreement may be executed in any number of counterparts, all of which
together shall constitute one and the same instrument and any of the parties hereto may execute this Agreement by signing any such counterpart. 
 5.07 Agent. Each Purchaser agrees to appoint Pequot Private Equity Fund III, L.P. as its Agent for purposes of this Agreement. The Agent may employ agents and attorneys-in-fact in connection herewith and shall not be responsible for
the negligence or misconduct of any such agents or attorneys-in-fact selected by it in good faith. 
 5.08 Severability. If any
provision hereof is invalid and unenforceable in any jurisdiction, then, to the fullest extent permitted by law, (i) the other provisions hereof shall remain in full force and effect in such jurisdiction and shall be liberally construed in
favor of the Purchasers in order to carry out the intentions of the parties hereto as nearly as may be possible and (ii) the invalidity or unenforceability of any provision hereof in any jurisdiction shall not affect the validity or
enforceability of such provision in any other jurisdiction. 
 [REMAINDER OF PAGE INTENTIONALLY LEFT BLANK. 
 SIGNATURE PAGES FOLLOW.] 
  

 11 

 IN WITNESS WHEREOF, the parties hereto have caused this Security Agreement to be duly executed as of the
day and year first above written. 
  

									
	 COMPANY:
	 		 	 IRVINE SENSORS CORPORATION

				
		 		 	 By:
	 	 /s/ John J. Stuart, Jr.

		 		 		 		 	 Name: John J. Stuart, Jr.

		 		 		 	 Title: SVP/CFO

			
	 AS AGENT AND PURCHASER:
	 		 	 PEQUOT PRIVATE EQUITY FUND III, L.P.

				
		 		 	 By:
	 	 Pequot Capital Management, Inc.,

		 		 		 		 	 its Investment Manager

				
		 		 	 By:
	 	 /s/ Carlos Rodrigues

		 		 		 		 	 Name: Carlos Rodrigues

		 		 		 		 	 Title: Chief Financial Officer

		 		 		 		 	           Pequot Ventures

			
	 PURCHASER:
	 		 	 PEQUOT OFFSHORE PRIVATE EQUITY

		 		 		 	     PARTNERS III, L.P.

				
		 		 	 By:
	 	 Pequot Capital Management, Inc.,

		 		 		 		 	 its Investment Manager

				
		 		 	 By:
	 	 /s/ Carlos Rodrigues

		 		 		 		 	 Name: Carlos Rodrigues

		 		 		 		 	 Title: Chief Financial Officer

		 		 		 		 	           Pequot VenturesSubsidiary Security Agreement

 Exhibit 10.15 
 SUBSIDIARY SECURITY AGREEMENT 
 This SUBSIDIARY SECURITY AGREEMENT, dated as of December 30,
2005 (the “Agreement”) is by and among OPTEX SYSTEMS, INC., a corporation duly organized and validly existing under the laws of the State of Texas (the “Company”), the Purchasers identified on the signature pages
hereto (each, a “Purchaser” and collectively, the “Purchasers”) and Pequot Private Equity Fund III, L.P., as agent for the Purchasers (in such capacity, together with its successors in such capacity, the
“Agent”). 
 The Company is a wholly-owned subsidiary of Irvine Sensors Corporation, a corporation organized and existing
under the laws of the State of Delaware (“ISC”). ISC and each of the Purchasers are parties to a Securities Purchase Agreement dated as of the date hereof (as modified and supplemented and in effect from time to time, the
“Purchase Agreement”), that provides, subject to the terms and conditions thereof, for the issuance and sale by ISC to each of the Purchasers, severally and not jointly, Notes and Warrants as more fully described in the Purchase
Agreement. It is a material benefit to the Company that the Purchasers purchase the Notes and Warrants from ISC. 
 To induce each of the
Purchasers to enter into the Purchase Agreement and to secure the Company’s obligations to the Purchasers under the Guaranty, and for other good and valuable consideration, the receipt and sufficiency of which are hereby acknowledged, the
Company has agreed to pledge and grant a security interest in the Collateral (as hereinafter defined) as security for the Secured Obligations (as hereinafter defined). Accordingly, the parties hereto agree as follows: 
 Section 1. Definitions. Each capitalized term used herein and not otherwise defined shall have the meaning assigned to such term in the
Purchase Agreement. In addition, as used herein: 
 “Accounts” shall have the meaning ascribed thereto in Section 3(d)
hereof. 
 “Business” shall mean the businesses from time to time, now or hereafter, conducted by the Company and the
Issuers. 
 “Collateral” shall have the meaning ascribed thereto in Section 3 hereof. 
 “Copyright Collateral” shall mean all Copyrights, whether now owned or hereafter acquired by the Company, that are associated with the
Business. 
 “Copyrights” shall mean all copyrights, copyright registrations and applications for copyright registrations,
including, without limitation, all renewals and extensions thereof, the right to recover for all past, present and future infringements thereof, and all other rights of any kind whatsoever accruing thereunder or pertaining thereto. 
 “Documents” shall have the meaning ascribed thereto in Section 3(j) hereof. 
 “Equipment” shall have the meaning ascribed thereto in Section 3(h) hereof. 
 “Event of Default” shall have the meaning ascribed thereto in Section 8 of the Notes (including, without limitation, the
Company’s breach of any of its obligations under the Guaranty). 
 “Excluded Collateral” shall mean those assets of the
Company, as listed on Annex 2 hereto, which both (i) have not been pledged or assigned to any other Person (including the holder(s) of Permitted Indebtedness) and (ii) cannot be assigned (but only to the extent such prohibition on
assignment is enforceable under applicable law, including, without limitation, Sections 9-406 and 9-408 of the UCC). 
 “Instruments” shall have the meaning ascribed thereto in Section 3(e) hereof. 

 “Intellectual Property” shall mean, collectively, all Copyright Collateral, all Patent
Collateral and all Trademark Collateral, together with (a) all inventions, processes, production methods, proprietary information, know-how and trade secrets used or useful in the Business; (b) all licenses or user or other agreements
granted to the Company with respect to any of the foregoing, in each case whether now or hereafter owned or used including, without limitation, the licenses or other agreements with respect to the Copyright Collateral, the Patent Collateral or the
Trademark Collateral; (c) all customer lists, identification of suppliers, data, plans, blueprints, specifications, designs, drawings, recorded knowledge, surveys, manuals, materials standards, processing standards, catalogs, computer and
automatic machinery software and programs, and the like pertaining to the operation by the Company of the Business; (d) all sales data and other information relating to sales now or hereafter collected and/or maintained by the Company that
pertain to the Business; (e) all accounting information which pertains to the Business and all media in which or on which any of the information or knowledge or data or records which pertain to the Business may be recorded or stored and all
computer programs used for the compilation or printout of such information, knowledge, records or data; (f) all licenses, consents, permits, variances, certifications and approvals of governmental agencies now or hereafter held by the Company
pertaining to the operation by the Company and its Subsidiaries of the Business; and (g) all causes of action, claims and warranties now or hereafter owned or acquired by the Company in respect of any of the items listed above. 
 “Inventory” shall have the meaning ascribed thereto in Section 3(f) hereof. 
 “Issuers” shall mean, collectively, the respective entities identified on Annex 1 hereto, and all other entities formed by the
Company or entities in which the Company owns or acquires any capital stock or similar interest, except for 3D Microelectronics, Inc. and 3D Microsystems, Inc. (provided they are dissolved prior to March 1, 2006). 
 “Lien” shall mean any mortgage or deed of trust, pledge, hypothecation, assignment, deposit arrangement, lien, charge, claim, security
interest, easement or encumbrance, or preference, priority or other security agreement or preferential arrangement of any kind or nature whatsoever (including any lease or title retention agreement, any financing lease having substantially the same
economic effect as any of the foregoing, and the filing of, or agreement to give, any financing statement perfecting a security interest under the Uniform Commercial Code or comparable law of any jurisdiction). 
 “Motor Vehicles” shall mean motor vehicles, tractors, trailers and other like property, whether or not the title thereto is governed by
a certificate of title or ownership. 
 “Patent Collateral” shall mean all Patents, whether now owned or hereafter acquired
by the Company that are associated with the Business. 
 “Patents” shall mean all patents and patent applications,
including, without limitation, the inventions and improvements described and claimed therein together with the reissues, divisions, continuations, renewals, extensions and continuations-in-part thereof, all income, royalties, damages and payments
now or hereafter due and/or payable under and with respect thereto, including, without limitation, damages and payments for past or future infringements thereof, the right to sue for past, present and future infringements thereof, and all rights
corresponding thereto throughout the world. 
 “Permitted Indebtedness” shall mean the Indebtedness permitted pursuant to
Section 4.10(a) of the Purchase Agreement. 
 “Permitted Liens” shall mean the Liens permitted pursuant to
Section 4.10(b) of the Purchase Agreement and additionally, with respect to Pledged Stock, any restrictions on transfer arising under federal or state securities laws and regulations. 
 “Pledged Stock” shall have the meaning ascribed thereto in Section 3(a) hereof. 
 “Real Estate” shall have the meaning ascribed thereto in Section 3(l) hereof. 
  

 2 

 “Secured Obligations” shall mean, collectively, all obligations of the Company to such
Purchasers in respect of the Guaranty. 
 “Stock Collateral” shall mean, collectively, the Collateral described in clauses
(a) through (c) of Section 3 hereof and the proceeds of and to any such property and, to the extent related to any such property or such proceeds, all books, correspondence, credit files, records, invoices and other papers.

 “Subordination Agreement” shall mean that certain Subordination Agreement dated the date hereof by and among the
Purchasers and Square 1 Bank. 
 “Trademark Collateral” shall mean all Trademarks, whether now owned or hereafter acquired
by the Company, that are associated with the Business. Notwithstanding the foregoing, the Trademark Collateral does not and shall not include any Trademark which would be rendered invalid, abandoned, void or unenforceable by reason of its being
included as part of the Trademark Collateral. 
 “Trademarks” shall mean all trade names, trademarks and service marks,
logos, trademark and service mark registrations, and applications for trademark and service mark registrations, including, without limitation, all renewals of trademark and service mark registrations, all rights corresponding thereto throughout the
world, the right to recover for all past, present and future infringements thereof, all other rights of any kind whatsoever accruing thereunder or pertaining thereto, together, in each case, with the product lines and goodwill of the business
connected with the use of, and symbolized by, each such trade name, trademark and service mark. 
 “Uniform Commercial Code”
or “UCC” shall mean the Uniform Commercial Code as in effect in the State of New York from time to time. 
 Section
2. Representations and Warranties. The Company represents and warrants to each of the Purchasers that: 
 a. the
Company is the sole beneficial owner of the Collateral and no Lien exists or will exist upon any Collateral at any time (and, with respect to the Stock Collateral, no right or option to acquire the same exists in favor of any other Person), except
for Permitted Liens and the pledge and security interest in favor of each of the Purchasers created or provided for herein which pledge and security interest constitutes a first priority perfected pledge and security interest in and to all of the
Collateral (except such Collateral as may be subject to a Permitted Lien, in which case, a second priority perfected security interest), assuming applicable financing statements are been duly and properly filed (other than Intellectual Property of
the Company registered or otherwise located outside of the United States of America); 
 b. the Pledged Stock directly or
indirectly owned by the Company in the entities identified in Annex 1 hereto is, and all other Pledged Stock, whether issued now or in the future, will be, duly authorized, validly issued, fully paid and nonassessable, free and clear of all
Liens other than Permitted Liens and none of such Pledged Stock is or will be subject to any contractual restriction, preemptive and similar rights, or any restriction under the charter or by-laws of the respective Issuers of such Pledged Stock,
upon the transfer of such Pledged Stock (except for any such restriction contained herein or in the Loan and Security Agreement dated as of the date hereof between the Company and Square 1 Bank); 
 c. the Pledged Stock directly or indirectly owned by the Company in the entities identified in Annex 1 hereto constitutes all of
the issued and outstanding shares of capital stock of any class of such Issuers beneficially owned by the Company on the date hereof (whether or not registered in the name of the Company) and said Annex 1 correctly identifies, as at the date
hereof, the respective Issuers of such Pledged Stock; 
 d. the Company owns and possesses the right to use, and except as may
be set forth in said Annex 3, has done nothing to authorize or enable any other Person to use, all of its Copyrights, Patents and Trademarks, and all registrations of its material Copyrights, Patents and Trademarks (other than licenses which
are not material) are valid and in full force and effect. Except as may be set forth in said Annex 3, the Company owns or possesses the right to use all material Copyrights, Patents and Trademarks, necessary for the operation of the Business;

  

 3 

 e. to the Company’s knowledge, (i) except as set forth in Annex 3
hereto, there is no violation by others of any right of the Company with respect to any material Copyrights, Patents or Trademarks, respectively, and (ii) the Company is not, in connection with the Business, infringing in any respect upon any
Copyrights, Patents or Trademarks of any other Person; and no proceedings have been instituted or are pending against the Company or, to the Company’s knowledge, threatened, and no claim against the Company has been received by the Company,
alleging any such violation, except as may be set forth in said Annex 3; and 
 f. the Company does not own any
material Trademarks registered in the United States of America to which the last sentence of the definition of Trademark Collateral applies. 
 Section 3. Collateral. As collateral security for the prompt payment in full when due (whether at stated maturity, by acceleration or otherwise) of the Secured Obligations, the Company hereby pledges, grants, assigns,
hypothecates and transfers to the Agent on behalf of the Purchasers as hereinafter provided, a security interest in and Lien upon all of the Company’s right, title and interest in, to and under all personal property and other assets of the
Company, whether now owned or hereafter acquired by or arising in favor of the Company, whether now existing or hereafter coming into existence, whether owned or consigned by or to the Company, or leased from or to the Company and regardless of
wherever located, except for the Excluded Collateral (all being collectively referred to herein as “Collateral”) including: 
 a. the Company’s direct or indirect ownership interest in the respective shares of capital stock of the Issuers and all other shares of capital stock of whatever class of the Issuers, now or hereafter owned by
the Company, together with in each case the certificates evidencing the same (collectively, the “Pledged Stock”); 
 b. all shares, securities, moneys or property representing a dividend on any of the Pledged Stock, or representing a distribution or return of capital upon or in respect of the Pledged Stock, or resulting from a split-up, revision,
reclassification or other like change of the Pledged Stock or otherwise received in exchange therefor, and any subscription warrants, rights or options issued to the holders of, or otherwise in respect of, the Pledged Stock; 
 c. without affecting the obligations of the Company under any provision prohibiting such action hereunder or under the Purchase Agreement
or the Notes, in the event of any consolidation or merger in which any Issuer is not the surviving corporation, all shares of each class of the capital stock of the successor corporation (unless such successor corporation is the Company itself)
formed by or resulting from such consolidation or merger (the Pledged Stock, together with all other certificates, shares, securities, properties or moneys as may from time to time be pledged hereunder pursuant to clause (a) or (b) above
and this clause (c) being herein collectively called the “Stock Collateral”); 
 d. all accounts and
general intangibles (each as defined in the Uniform Commercial Code) of the Company constituting any right to the payment of money, including (but not limited to) all moneys due and to become due to the Company in respect of any loans or advances
for the purchase price of Inventory or Equipment or other goods sold or leased or for services rendered, all moneys due and to become due to the Company under any guarantee (including a letter of credit) of the purchase price of Inventory or
Equipment sold by the Company and all tax refunds (such accounts, general intangibles and moneys due and to become due being herein called collectively “Accounts”); 
 e. all instruments, chattel paper or letters of credit (each as defined in the Uniform Commercial Code) of the Company evidencing,
representing, arising from or existing in respect of, relating to, securing or otherwise supporting the payment of, any of the Accounts, including (but not limited to) promissory notes, drafts, bills of exchange and trade acceptances (herein
collectively called “Instruments”); 
  

 4 

 f. all inventory (as defined in the Uniform Commercial Code) of the Company and all goods
obtained by the Company in exchange for such inventory (herein collectively called “Inventory”); 
 g. all
Intellectual Property of the Company and all other accounts or general intangibles of the Company not constituting Intellectual Property or Accounts; 
 h. all equipment (as defined in the Uniform Commercial Code) of the Company (herein collectively called “Equipment”); 
 i. each contract and other agreement of the Company relating to the sale or other disposition of Inventory or Equipment; 
 j. all documents of title (as defined in the Uniform Commercial Code) or other receipts of the Company covering, evidencing or
representing Inventory or Equipment (herein collectively called “Documents”); 
 k. all rights, claims and
benefits of the Company against any Person arising out of, relating to or in connection with Inventory or Equipment purchased by the Company, including, without limitation, any such rights, claims or benefits against any Person storing or
transporting such Inventory or Equipment; 
 l. all estates of the Company in land together with all improvements and other
structures now or hereafter situated thereon, together with all rights, privileges, tenements, hereditaments, appurtenances, easements, including, but not limited to, rights and easements for access and egress and utility connections, and other
rights now or hereafter appurtenant thereto (“Real Estate”); 
 m. all other tangible or intangible property
of the Company, including, without limitation, all proceeds, products and accessions of and to any of the property of the Company described in clauses (a) through (l) above in this Section 3 (including, without limitation, any
proceeds of insurance thereon), and, to the extent related to any property described in said clauses or such proceeds, products and accessions, all books, correspondence, credit files, records, invoices and other papers, including without limitation
all tapes, cards, computer runs and other papers and documents in the possession or under the control of the Company or any computer bureau or service company from time to time acting for the Company. 
 Section 4. Further Assurances; Remedies. In furtherance of the grant of the pledge and security interest pursuant to Section 3 hereof,
the Company hereby agrees with the Agent and each of the Purchasers as follows: 
 4.01 Delivery and Other Perfection. Subject to the
terms of the Subordination Agreement, the Company shall: 
 a. if any of the above-described shares, securities, monies or
property required to be pledged by the Company under clauses (a), (b) and (c) of Section 3 hereof are received by the Company, forthwith either (x) deliver and pledge to the Agent such shares or securities so received by the
Company (together with the certificates for any such shares and securities duly endorsed in blank or accompanied by undated stock powers duly executed in blank) all of which thereafter shall be held by the Agent, pursuant to the terms of this
Agreement, as part of the Collateral or (y) take such other action as the Agent shall reasonably deem necessary or appropriate to duly record the Lien created hereunder in such shares, securities, monies or property referred to in said clauses
(a), (b) and (c) of Section 3; 
 b. deliver and pledge to the Agent, at the Agent’s request, any and all
Instruments, endorsed and/or accompanied by such instruments of assignment and transfer in such form and substance as the Agent may request; provided, that so long as no Event of Default shall have occurred and be continuing, the Company may retain
for collection in the ordinary course any Instruments received by it in the ordinary course of business and any Instruments relating to government contracts; 
  

 5 

 c. give, execute, deliver, file and/or record any financing statement, notice,
instrument, document, agreement or other papers that may be necessary or desirable (in the reasonable judgment of the Agent) to create, preserve, perfect or validate any security interest granted pursuant hereto or to enable the Agent to exercise
and enforce their rights hereunder with respect to such security interest, including, without limitation, causing any or all of the Stock Collateral to be re-registered as pledged into the name of the Agent or its nominee (and the Agent agrees that
if any Stock Collateral is pledged into its name or the name of its nominee for the benefit of the Company, the Agent will thereafter promptly give to the Company copies of any notices and communications received by it with respect to the Stock
Collateral), provided that notices to account debtors in respect of any Accounts or Instruments shall be subject to the provisions of Section 4.09 below; 
 d. upon the acquisition after the date hereof by the Company of any Equipment covered by a certificate of title or ownership cause the
Agent to be listed as the lienholder on such certificate of title and within 120 days of the acquisition thereof deliver evidence of the same to the Agent; 
 e. keep accurate books and records relating to the Collateral, and stamp or otherwise mark such books and records in such manner as the Agent may reasonably require in order to reflect the security interests granted
by this Agreement; 
 f. furnish to the Agent from time to time (but, unless an Event of Default shall have occurred and be
continuing, no more frequently than quarterly) statements and schedules further identifying and describing the Copyright Collateral, the Patent Collateral and the Trademark Collateral, respectively, and such other reports in connection with the
Copyright Collateral, the Patent Collateral and the Trademark Collateral, as the Agent may reasonably request, all in reasonable detail; 
 g. permit representatives of the Agent, upon reasonable notice, at any time during normal business hours to inspect and make abstracts from its books and records pertaining to the Collateral, and permit
representatives of the Agent to be present at the Company’s place of business to receive copies of all communications and remittances relating to the Collateral, and forward copies of any notices or communications by the Company with respect to
the Collateral, all in such manner as the Agent may reasonably require; provided, however, that the Company shall not be required to provide such Purchaser access to any information or by any representatives of the Agent if the Company reasonably
determines that access to such information or by such representatives (x) would adversely affect the attorney-client privilege between the Company and its counsel, and (y) cannot be provided to the Purchasers in a manner that would avoid
the adverse affect on the attorney-client privilege between the Company and its counsel or the disclosure of trade secrets, material nonpublic information or other confidential or proprietary information, as applicable; and 
 h. upon the occurrence and during the continuance of any Event of Default, upon request of the Agent, promptly notify each account debtor
in respect of any Accounts or Instruments that such Collateral has been assigned to the Agent hereunder, and that any payments due or to become due in respect of such Collateral are to be made directly to the Agent. 
 4.02 Other Financing Statements and Liens. Except with respect to Liens securing Permitted Indebtedness, without the prior written consent of the
Agent, the Company shall not file or suffer to be on file, or authorize or permit to be filed or to be on file, in any jurisdiction, any financing statement or like instrument with respect to the Collateral in which the Agent is not named as the
sole secured party for the benefit of each of the Purchasers. 
 4.03 Preservation of Rights. The Agent shall not be required to take
steps necessary to preserve any rights against prior parties to any of the Collateral. 
 4.04 Special Provisions Relating to Certain
Collateral. 
 a. Stock Collateral. 
  

 6 

 (1) The Company will cause the Stock Collateral to constitute at all times 100% of the
total number of shares of each class of capital stock of each Issuer then outstanding that is owned directly or indirectly by the Company. 
 (2) So long as no Event of Default shall have occurred and be continuing, the Company shall have the right to exercise all voting, consensual and other powers of ownership pertaining to the Stock Collateral for all
purposes not inconsistent with the terms of this Agreement, any other Transaction Document or any other instrument or agreement referred to herein or therein, provided that the Company agrees that it will not vote the Stock Collateral in any manner
that is inconsistent with the terms of this Agreement, any other Transaction Document or any such other instrument or agreement; and the Agent shall execute and deliver to the Company or cause to be executed and delivered to the Company all such
proxies, powers of attorney, dividend and other orders, and all such instruments, without recourse, as the Company may reasonably request for the purpose of enabling the Company to exercise the rights and powers which it is entitled to exercise
pursuant to this Section 4.04(a)(2). 
 (3) Unless and until an Event of Default has occurred and is continuing, the
Company shall be entitled to receive and retain any dividends on the Stock Collateral paid in cash out of earned surplus. 
 (4) If any Event of Default shall have occurred, then so long as such Event of Default shall continue, and whether or not the Agent exercises any available right to declare any Secured Obligations due and payable or seeks or pursues any
other relief or remedy available to it under applicable law or under this Agreement, the Purchase Agreement, the Notes or any other agreement relating to such Secured Obligations, all dividends and other distributions on the Stock Collateral shall
be paid directly to the Agent and retained by it as part of the Stock Collateral, subject to the terms of this Agreement, and, if the Agent shall so request in writing, the Company agrees to execute and deliver to the Agent appropriate additional
dividend, distribution and other orders and documents to that end, provided that if such Event of Default is cured, any such dividend or distribution theretofore paid to the Agent shall, upon request of the Company (except to the extent theretofore
applied to the Secured Obligations) be returned by the Agent to the Company. 
 b. Intellectual Property. 

(1) For the purpose of enabling the Agent to exercise rights and remedies under Section 4.05 hereof at such time as the Agent
shall be lawfully entitled to exercise such rights and remedies, and for no other purpose, the Company hereby grants to the Agent, to the extent assignable, an irrevocable, non-exclusive license (exercisable without payment of royalty or other
compensation to the Company) to use, assign, license or sublicense any of the Intellectual Property (other than the Trademark Collateral or goodwill associated therewith) now owned or hereafter acquired by the Company, wherever the same may be
located, including in such license reasonable access to all media in which any of the licensed items may be recorded or stored and to all computer programs used for the compilation or printout thereof. 
 (2) Notwithstanding anything contained herein to the contrary, so long as no Event of Default shall have occurred and be continuing, the
Company will be permitted to exploit, use, enjoy, protect, license, sublicense, assign, sell, dispose of or take other actions with respect to the Intellectual Property in the ordinary course of the business of the Company. In furtherance of the
foregoing, unless an Event of Default shall have occurred and is continuing, the Agent shall from time to time, upon the request of the Company, execute and deliver any instruments, certificates or other documents, in the form so requested, which
the Company shall have certified are appropriate (in its judgment) to allow it to take any action permitted above (including relinquishment of the license provided pursuant to clause (1) immediately above as to any specific Intellectual
Property). Further, upon the payment in full of all of the Secured Obligations or earlier expiration of this Agreement or release of the Collateral, the Agent shall grant back to the Company the license granted pursuant to clause
(1) immediately above. The exercise of rights and remedies under Section 4.05 hereof by the Agent shall not terminate the rights of the holders of any licenses or sublicenses theretofore granted by the Company in accordance with the first
sentence of this clause (2). 
  

 7 

 4.05 Events of Default, etc. During the period during which an Event of Default shall have
occurred and be continuing: 
 a. the Company shall, at the request of the Agent, assemble the Collateral owned by it at such
place or places, reasonably convenient to both the Agent and the Company, designated in its request; 
 b. the Agent may make
any reasonable compromise or settlement deemed desirable with respect to any of the Collateral and may extend the time of payment, arrange for payment in installments, or otherwise modify the terms of, any of the Collateral; 
 c. the Agent shall have all of the rights and remedies with respect to the Collateral of a secured party under the Uniform Commercial Code
(whether or not said Code is in effect in the jurisdiction where the rights and remedies are asserted) and such additional rights and remedies to which a secured party is entitled under the laws in effect in any jurisdiction where any rights and
remedies hereunder may be asserted, including, without limitation, the right, to the maximum extent permitted by law, to exercise all voting, consensual and other powers of ownership pertaining to the Collateral as if the Agent were the sole and
absolute owner thereof (and the Company agrees to take all such action as may be appropriate to give effect to such right); 
 d. the Agent in its discretion may, in its name or in the name of the Company or otherwise, demand, sue for, collect or receive any money or property at any time payable or receivable on account of or in exchange for any of the Collateral,
but shall be under no obligation to do so; and 
 e. the Agent may upon 10 Business Days’ prior written notice to the
Company of the time and place, with respect to the Collateral or any part thereof which shall then be or shall thereafter come into the possession, custody or control of the Agent, or any of its respective agents, sell, lease, assign or otherwise
dispose of all or any of such Collateral, at such place or places as the Agent deems best, and for cash or on credit or for future delivery (without thereby assuming any credit risk), at public or private sale, without demand of performance or
notice of intention to effect any such disposition or of time or place thereof (except such notice as is required above or by applicable statute and cannot be waived) and the Agent or anyone else may be the purchaser, lessee, assignee or recipient
of any or all of the Collateral so disposed of at any public sale (or, to the extent permitted by law, at any private sale), and thereafter hold the same absolutely, free from any claim or right of whatsoever kind, including any right or equity of
redemption (statutory or otherwise), of the Company, any such demand, notice or right and equity being hereby expressly waived and released. In the event of any sale, assignment, or other disposition of any of the Trademark Collateral, the goodwill
of the Business connected with and symbolized by the Trademark Collateral subject to such disposition shall be included, and the Company shall supply to the Agent or its designee, for inclusion in such sale, assignment or other disposition, all
Intellectual Property relating to such Trademark Collateral. The Agent may, without notice or publication, adjourn any public or private sale or cause the same to be adjourned from time to time by announcement at the time and place fixed for the
sale, and such sale may be made at any time or place to which the same may be so adjourned. 
 The proceeds of each collection, sale or other disposition
under this Section 4.05, including by virtue of the exercise of the license granted to the Agent in Section 4.04(b)(1) hereof, shall be applied in accordance with Section 4.09 hereof. 
 The Company recognizes that, by reason of certain prohibitions contained in the Securities Act of 1933, as amended, and applicable state securities laws,
the Agent may be compelled, with respect to any sale of all or any part of the Collateral, to limit purchasers to those who will agree, among other things, to acquire the Collateral for their own account, for investment and not with a view to the
distribution or resale thereof. The Company acknowledges that any such private sales to an unrelated third party in an arm’s length transaction may be at prices and on terms less favorable to the Agent than those obtainable through a public
sale without such restrictions, and, notwithstanding such circumstances, agrees that any such private sale shall be deemed to have been made in a commercially reasonable manner and that the Agent shall have no obligation to engage in public sales
and no obligation to delay the sale of any Collateral for the period of time necessary to permit the respective Issuer thereof to register it for public sale. 
  

 8 

 4.06 Deficiency. If the proceeds of sale, collection or other realization of or upon the
Collateral pursuant to Section 4.05 hereof are insufficient to cover the costs and expenses of such realization and the payment in full of the Secured Obligations, the Company shall remain liable for any deficiency. 
 4.07 Removals, etc. Without at least 30 days’ prior written notice to the Agent, the Company shall not (i) maintain any of its books or
records with respect to the Collateral at any office or maintain its chief executive office or its principal place of business at any place, or permit any Inventory or Equipment to be located anywhere other than at the address set forth on the
Company’s signature page hereto or at one of the locations identified in Annex 4 hereto or in transit from one of such locations to another or (ii) change its corporate name, or the name under which it does business, from the name
shown on the Company’s signature page hereto. 
 4.08 Private Sale. The Agent shall incur no liability as a result of the sale of
the Collateral, or any part thereof, at any private sale to an unrelated third party in an arm’s length transaction pursuant to Section 4.05 hereof conducted in a commercially reasonable manner. The Company hereby waives any claims against
the Agent arising by reason of the fact that the price at which the Collateral may have been sold at such a private sale was less than the price which might have been obtained at a public sale or was less than the aggregate amount of the Secured
Obligations, even if the Agent accepts the first offer received and does not offer the Collateral to more than one offeree. 
 4.09
Application of Proceeds. Except as otherwise herein expressly provided, the proceeds of any collection, sale or other realization of all or any part of the Collateral pursuant hereto, and any other cash at the time held by the Agent under
this Section 4, shall be applied by the Agent: 
 First, to the payment of the costs and expenses of such collection, sale or
other realization, including reasonable out-of-pocket costs and expenses of the Agent and the fees and expenses of its agents and counsel, and all expenses, and advances made or incurred by the Agent in connection therewith; 
 Next, to the payment in full of the Secured Obligations in each case equally and ratably in accordance with the respective amounts thereof then
due and owing to each of the Purchasers; and 
 Finally, to the payment to the Company, or its successors or assigns, or as a court of
competent jurisdiction may direct, of any surplus then remaining. 
 As used in this Section 4, “proceeds” of Collateral shall mean
cash, securities and other property realized in respect of, and distributions in kind of, Collateral, including any thereof received under any reorganization, liquidation or adjustment of debt of the Company or any issuer of or obligor on any of the
Collateral. 
 4.10 Attorney-in-Fact. Without limiting any rights or powers granted by this Agreement to the Agent while no Event of
Default has occurred and is continuing, upon the occurrence and during the continuance of any Event of Default, the Agent is hereby appointed the attorney-in-fact of the Company for the purpose of carrying out the provisions of this Section 4
and taking any action and executing any instruments which the Agent may deem necessary or advisable to accomplish the purposes hereof, which appointment as attorney-in-fact is irrevocable and coupled with an interest. Without limiting the generality
of the foregoing, so long as the Purchasers shall be entitled under this Section 4 to make collections in respect of the Collateral, the Agent shall have the right and power to receive, endorse and collect all checks made payable to the order
of the Company representing any dividend, payment, or other distribution in respect of the Collateral or any part thereof and to give full discharge for the same. 
 4.11 Perfection. (i) Prior to or concurrently with the execution and delivery of this Agreement, the Company shall file or deliver to Agent for filing such financing statements and other documents in such
offices as the Agent may request to perfect the security interests granted by Section 3 of this Agreement, and (ii) at any time requested by the Agent, the Company shall deliver to the Agent all share certificates of capital stock 

  

 9 

 
directly or indirectly owned by the Company in the entities identified in Annex 1 hereto, accompanied by undated stock powers duly executed in blank
(subject to the terms and conditions of the Subordination Agreement). 
 4.12 Termination. When all Secured Obligations shall have
been indefeasibly paid in full, this Agreement shall immediately terminate without any further action on the part of either party, and the Agent shall forthwith cause to be assigned, transferred and delivered, against receipt but without any
recourse, warranty or representation whatsoever, any remaining Collateral and money received in respect thereof, to or on the order of the Company and to be released and cancelled all licenses and rights referred to in Section 4.04(b)(1)
hereof. The Agent shall also execute and deliver to the Company upon such termination such Uniform Commercial Code termination statements, certificates for terminating the Liens on the Motor Vehicles and such other documentation as shall be
reasonably requested by the Company to effect the termination and release of the Liens on the Collateral. 
 4.13 Expenses. The
Company agrees to pay to the Agent all reasonable out-of-pocket expenses (including reasonable expenses for legal services of every kind) of, or incident to, the enforcement of any of the provisions of this Section 4, or performance by the
Agent of any obligations of the Company in respect of the Collateral which the Company has failed or refused to perform upon reasonable notice, or any actual or attempted sale, or any exchange, enforcement, collection, compromise or settlement in
respect of any of the Collateral, and for the care of the Collateral and defending or asserting rights and claims of the Agent in respect thereof, by litigation or otherwise, including expenses of insurance, and all such expenses shall be Secured
Obligations to the Agent secured under Section 3 hereof. 
 4.14 Further Assurances. The Company agrees that, from time to time
upon the written request of the Agent, the Company will execute and deliver such further documents and do such other acts and things as the Agent may reasonably request in order fully to effect the purposes of this Agreement. 
 4.15 Indemnity. Each of the Purchasers hereby jointly and severally covenants and agrees to reimburse, indemnify and hold the Agent harmless from
and against any and all claims, actions, judgments, damages, losses, liabilities, costs, transfer or other taxes, and expenses (including, without limitation, reasonable attorneys’ fees and expenses) incurred or suffered without any bad faith
or willful misconduct by the Agent, arising out of or incident to this Agreement or the administration of the Agent’s duties hereunder, or resulting from its actions or inactions as Agent. 
 Section 5. Miscellaneous. 
 5.01 No Waiver. No failure on the part of the Agent or any of its agents to exercise, and no course of dealing with respect to, and no delay in exercising, any right, power or remedy hereunder shall operate as a waiver thereof; nor
shall any single or partial exercise by the Agent or any of its agents of any right, power or remedy hereunder preclude any other or further exercise thereof or the exercise of any other right, power or remedy. The remedies herein are cumulative and
are not exclusive of any remedies provided by law. 
 5.02 Governing Law. This Agreement shall be governed by, and construed in
accordance with, the law of the State of New York. 
 5.03 Notices. Any and all notices or other communications or deliveries required
or permitted to be provided hereunder shall be in writing and shall be deemed given and effective on the earliest of (i) the date of transmission, if such notice or communication is delivered via facsimile at the facsimile number specified in
this Section prior to 6:30 p.m. (New York City time) on a business day, (ii) one business day after the date of transmission, if such notice or communication is delivered via facsimile at the facsimile number specified in this Agreement later
than 6:30 p.m. (New York City time) on any date and earlier than 11:59 p.m. (New York City time) on such date, (iii) one business day following the date of mailing, if sent by nationally recognized overnight courier service specifying next
business day delivery, or (iv) upon actual receipt by the party to whom such notice is required to be given, if by hand delivery. All notices, requests, consents and demands hereunder shall be in writing and facsimile (facsimile confirmation
required) or delivered to the intended recipient at its address or facsimile number specified on the signature pages hereto. 
  

 10 

 5.04 Waivers, etc. The terms of this Agreement may be waived, altered or amended only by an
instrument in writing duly executed by the Company and the Agent. Any such amendment or waiver shall be binding upon each of the Purchasers and the Company. 
 5.05 Successors and Assigns. This Agreement shall be binding upon and inure to the benefit of the respective successors and assigns of the Company and each of the Purchasers (provided, however, that the Company
shall not assign or transfer its rights hereunder without the prior written consent of the Agent). 
 5.06 Counterparts. This
Agreement may be executed in any number of counterparts, all of which together shall constitute one and the same instrument and any of the parties hereto may execute this Agreement by signing any such counterpart. 
 5.07 Agent. Each Purchaser agrees to appoint Pequot Private Equity Fund III, L.P. as its Agent for purposes of this Agreement. The Agent may
employ agents and attorneys-in-fact in connection herewith and shall not be responsible for the negligence or misconduct of any such agents or attorneys-in-fact selected by it in good faith. 
 5.08 Severability. If any provision hereof is invalid and unenforceable in any jurisdiction, then, to the fullest extent permitted by law,
(i) the other provisions hereof shall remain in full force and effect in such jurisdiction and shall be liberally construed in favor of the Purchasers in order to carry out the intentions of the parties hereto as nearly as may be possible and
(ii) the invalidity or unenforceability of any provision hereof in any jurisdiction shall not affect the validity or enforceability of such provision in any other jurisdiction. 
 [REMAINDER OF PAGE INTENTIONALLY LEFT BLANK. 
 SIGNATURE PAGES FOLLOW.] 
  

 11 

 IN WITNESS WHEREOF, the parties hereto have caused this Subsidiary Security Agreement to be duly executed
as of the day and year first above written. 
  

									
	 COMPANY:
	 		 	 OPTEX SYSTEMS, INC.

					
		 		 		 	 By:
	 	 /s/ John J. Stuart, Jr.

		 		 		 		 	 Name: John J. Stuart, Jr.

		 		 		 		 	 Title: CFO/Secretary

 Address for Notices: 
 3001 Redhill Avenue 
 Bldg. 3 - 108 
 Costa Mesa, CA 92626-4532 
 Facsimile: 1-714-549-5711 
 Attention: 
  

									
	 AS AGENT AND PURCHASER:
	 		 	 PEQUOT PRIVATE EQUITY FUND III, L.P.

					
		 		 		 	 By:
	 	 Pequot Capital Management, Inc.,
 its Investment Manager

					
		 		 		 	 By:
	 	 /s/ Carlos Rodrigues

		 		 		 		 	 Name: Carlos Rodrigues

		 		 		 		 	 Title: Chief Financial Officer Pequot Ventures

			
	 PURCHASER:
	 		 	 PEQUOT OFFSHORE PRIVATE EQUITY PARTNERS III, L.P.

					
		 		 		 	 By:
	 	 Pequot Capital Management, Inc.,
 its Investment Manager

					
		 		 		 	 By:
	 	 /s/ Carlos Rodrigues

		 		 		 		 	 Name: Carlos Rodrigues

		 		 		 		 	 Title: Chief Financial Officer Pequot Ventures

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