Document:

Exhibit 10.6

 Exhibit 10.6 
 CREDIT AND SECURITY AGREEMENT 
 THIS CREDIT AND SECURITY AGREEMENT (this
“Agreement”) is made as of December 29, 2005 between TVI CORPORATION, a Maryland corporation (“TVI”), CAPA MANUFACTURING CORP., a Maryland corporation, SAFETY TECH INTERNATIONAL, INC., a Maryland corporation and TVI AIR
SHELTERS, LLC, a Maryland limited liability company (together with TVI, collectively, the “Borrowers”) and BANK OF AMERICA, N.A., a national banking association (the “Lender”). 
 RECITALS 
 The Borrowers have
requested that the Lender make available to the Borrowers a revolving credit facility pursuant to which the Lender will make advances to the Borrowers from time to time in an aggregate principal amount not to exceed Ten Million Dollars ($10,000,000)
at any one time outstanding. The Lender has agreed to make such credit facility available to the Borrowers, subject to and upon the terms and conditions hereinafter set forth. 
 AGREEMENTS 
 SECTION 1. The Credit Facilities. 
 1.1. Definitions. All capitalized terms used herein and not otherwise defined shall have the following meanings: 
 “Account Debtor” means any Person who may become obligated to either of the Borrowers under, with respect to, or on account of, an Account,
Chattel Paper or General Intangibles (including a Payment Intangible). 
 “Accounts” has the meaning given to such term in the UCC.

 “Additional Financing Documents” has the meaning given to such term in Section 1.3(e) hereof. 
 “Advances” means advances made by the Lender to the Borrowers under the Revolving Credit Facility. 
 “Applicable Margin” shall mean the margin added to the LIBOR Rate to obtain the interest rate for the outstanding Advances under the Revolving
Credit Facilities set forth in the Table attached hereto as Attachment I. The Applicable Margin during any calendar quarter shall be set based upon the Borrowers’ ratio of Total Funded Debt to EBITDA as of the last day of the immediately
prior calendar quarter, and the Applicable Margin shall be determined and adjusted quarterly on the first day of the first month after the date by which the annual and quarterly compliance certificates and related financial statements and
information are required in accordance with the provisions of this Agreement. 

 “AutoBorrow Service Agreement” means any AutoBorrow Service Agreement in effect from time to
time between the Borrowers and the Lender. 
 “Board” means the Board of Governors of the Federal Reserve System of the United
States. 
 “Borrowers” shall mean, collectively, TVI, CAPA Manufacturing Corp., a Maryland corporation, Safety Tech International,
Inc., a Maryland corporation and TVI Air Shelters, LLC, a Maryland limited liability company. 
 “Business Day” means any day other
than Saturday, Sunday or other day on which commercial banks in the State of Maryland are authorized to close. 
 “Capital Lease”
means any lease that has been or should be capitalized on the books of the Borrowers in accordance with GAAP. 
 “Chattel Paper”
has the meaning given to such term in the UCC. 
 “Claim” has the meaning given to such term in Section 7.9(a). 
 “Closing Date” means the date on which all conditions to closing as set forth in Section 2.1 of this Agreement are satisfied. 

“Collateral” means all of the Borrowers’ personal property, both now owned and hereafter acquired, including, insofar as any of the
following are applicable, but not limited to: 
  

	 	(a)	Accounts, including, without limitation, all collateral security of any kind given to any Account Debtor or other Person with respect to any Account; 

  

	 	(b)	As-extracted collateral; 

  

	 	(c)	Chattel Paper; 

  

	 	(d)	Commodity Accounts; 

  

	 	(e)	Commodity Contracts; 

  

	 	(f)	Deposit Accounts; 

  

	 	(g)	Documents; 

  

	 	(h)	Equipment; 

  

	 	(i)	Farm Products; 

  

	 	(j)	Fixtures; 

  

	 	(k)	General Intangibles, including, but not limited to, (i) all patents, and all unpatented or unpatentable inventions; (ii) all trademarks, service marks, and trade names;
(iii) all copyrights and literary rights; (iv) all computer software programs; (v) all mask works of semiconductor chip products; (vi) all trade secrets, proprietary information, customer lists, manufacturing, engineering and
production plans, drawings, specifications, processes and systems; 

	 	(l)	Goods, and all accessions thereto and goods with which the Goods are commingled; 

  

	 	(m)	Health Care Insurance Receivables; 

  

	 	(n)	Instruments; 

	 	(o)	Inventory; 

  

	 	(p)	Investment Property; 

  

	 	(q)	Letter-of-Credit Rights; 

  

	 	(r)	Payment Intangibles; 

  

	 	(s)	Promissory Notes; 

  

	 	(t)	Software; 

  

	 	(u)	The commercial tort claims specifically described on Schedule 1.1, if any. 

  

	 	(v)	Letters patent, applications for letters patent, trademarks, applications for trademarks, service marks, trade names, and copyrights, whether registered or unregistered, together
with all royalties, fees, and other payments made or to be made with respect to any of the foregoing, and all rights, interests, claims, and demands that the Borrowers have or may have and existing and future profits and damages for past or future
infringement thereof; and 

  

	 	(w)	all proceeds and products of any of the foregoing. 

 “Collateral Account” has the meaning set forth in Section 7.5 of this Agreement. 
 “Collection Account”
means the collection account established pursuant to this Agreement. 
 “Commodity Accounts” has the meaning given to such term in
the UCC. 
 “Commodity Contracts” has the meaning given to such term in the UCC. 
 “Credit Facilities” means the Revolving Credit Facility, as amended, modified, or supplemented from time to time. 
 “Default” has the meaning set forth in Section 6 of this Agreement. 
 “Default Rate” means a floating and fluctuating per annum rate of interest calculated by adding the sum of four percent (4.0%) to the rate
of interest otherwise then in effect. 
 “Deposit Accounts” has the meaning given to such term in the UCC. 
 “Documents” has the meaning given to such term in the UCC. 
 “Earn-Out Obligations” means the deferred purchase price payments due from time to time to Persons or their businesses acquired by the Borrowers upon satisfaction of certain performance or other
contingencies. 
 “EBITDA” shall mean (a) net income, after income tax, (b) less income or plus loss from discontinued
operations and extraordinary items, (c) plus interest expense on all operations, (d) plus taxes, (e) plus depreciation, (f) plus depletion, and (g) plus amortization (and other non-cash charges), calculated on a trailing
twelve-month basis. 

 “Enforcement Costs” means all reasonable expenses, charges, recordation or other taxes, costs
and fees (including reasonable attorneys’ fees and expenses) of any nature whatsoever advanced, paid or incurred by or on behalf of the Lender in connection with (a) the collection or enforcement of this Agreement or any of the other
Financing Documents, (b) the creation, perfection, maintenance, preservation, defense, protection, realization upon, disposition, collection, sale or enforcement of all or any part of the Collateral, and (c) the exercise by the Lender of
any rights or remedies available to it under the provisions of this Agreement, or any of the other Financing Documents. 
 “Environmental Laws” means all laws, statutes, rules, regulations or ordinances which relate to Hazardous Materials and/or the protection of the environment or human health. 
 “Equipment” means all of the Borrowers’ equipment, as such term is defined by the Uniform Commercial Code, together with all additions,
parts, fittings, accessories, special tools, attachments, and accessions now and hereafter affixed thereto and/or used in connection therewith, and all replacements thereof and substitutions therefor. 
 “ERISA” means the Employee Retirement Income Security Act of 1974 (“ERISA”). 
 “Event of Default” has the meaning set forth in Section 6 of this Agreement. 
 “Farm Products” has the meaning given to such term in the UCC. 
 “Field Exam” has the meaning set forth in Section 4.9 of this Agreement. 
 “Financing
Documents” means, collectively, this Agreement, the Note, any Hedge Agreement, any Letter of Credit Agreement, any Additional Financing Documents and any other instrument, document or agreement now or hereafter executed, delivered or furnished
by the Borrowers or any other person evidencing, guaranteeing, securing or in connection with this Agreement or all or any part of the Credit Facilities. 
 “Fixtures” has the meaning given to such term in the UCC. 
 “GAAP” means generally
accepted accounting principles in the United States of America. 
 “General Intangibles” means all of the Borrowers’ general
intangibles, as such meaning is defined by the Uniform Commercial Code, together with all of the Borrowers’ letters patent, applications for letters patent, trademarks, applications for trademarks, service marks, trade names and copyrights,
whether registered or unregistered, together with all goodwill of the business of the Borrowers relating thereto, any and all reissues, extensions, divisions or continuations thereof, all royalties, fees and other payments made or to be made to the
Borrowers with respect thereto, and all rights, interests, claims and demands that the Borrowers have or may have in existing and future profits and damages for past and future infringements thereof. 
 “Goods” has the meaning given to such term in the UCC. 

 “Government Contract” means (i) any contract entered into by the Borrowers with the United
States government or any state or local government or any division, department, or instrumentality thereof and (ii) any contract entered into between the Borrowers and any “prime” contractor providing goods and services to the United
States government or any state or local government or any division, department, or instrumentality thereof. 
 “Hazardous
Materials” shall mean hazardous wastes, hazardous substances, toxic chemicals and substances, oil and petroleum products and their by-products, radon, asbestos, pollutants or contaminants. 
 “Hedge Agreement” means any agreement between the Borrowers and the Lender or any affiliate of the Lender now existing or hereafter entered
into, which provides for an interest rate, credit, commodity or equity swap, cap, floor, collar, forward foreign exchange transaction, currency swap, cross-currency rate swap, currency option, or any similar transaction or any combination of, or
option with respect to, these or similar transactions, for the purpose of hedging the Borrowers’ exposure to fluctuations in interest or exchange rates, loan, credit, exchange, security or currency valuations or commodity prices. 
 “Health Care Insurance Receivables “ shall have the meaning given to such term in the UCC. 
 “Instruments” has the meaning given to such term in the UCC. 
 “Interest Payment Date” has the meaning set forth in Section 1.2(d) of this Agreement. 
 “Interest Rate Change Date” shall mean the first day of each one-month period; provided, however, that if any such day is not a Business Day, at Lender’s option, the Interest Rate Change Date shall be the next succeeding
Business Day. 
 “Inventory” means all of the Borrowers’ now owned and hereafter acquired inventory as such term is defined by
the Uniform Commercial Code, wherever located and however constituted, including, without limitation, raw materials, work and goods in process, finished goods, goods or inventory returned or repossessed or stopped in transit, supplies, packaging,
shipping and other materials, all other goods, merchandise and personal property used or consumed in the business of the Borrowers, and all documents and documents of title relating to any of the foregoing. 
 “Investment Property” has the meaning given to such term in the UCC. 
 “Letter of Credit” means any letter of credit issued by the Lender for the account of the Borrowers under the Revolving Credit Facility.

 “Letter of Credit Account” has the meaning set forth in Section 1.2(l) of this Agreement. 
 “Letter of Credit Agreement” means an Application and Agreement for Letter of Credit on the Lender’s standard form, as such form
may be revised by the Lender in its discretion at any time and from time to time hereafter. 

 “Letter of Credit Exposure” means at any time the sum of (x) the undrawn amount of all
Letters of Credit outstanding at such time, and (y) all Letter of Credit Obligations outstanding at such time. 
 “Letter of Credit
Fee” has the meaning set forth in Section 1.2(k) of this Agreement. 
 “Letter of Credit Obligations” means, collectively,
(i) the amount of each draft drawn under or purporting to be drawn under a Letter of Credit, (ii) the amount of any and all charges, reasonable costs and expenses (including, without limitation, reasonable attorneys’ fees and
expenses) which the Lender may charge, pay or incur for drawings under a Letter of Credit, transfers of a Letter of Credit, amendments to and extensions of a Letter of Credit and for the prosecution or defense of any action arising out of or in
connection with any Letter of Credit, including, without limitation, any action to enjoin full or partial payment of any draft drawn under or purporting to be drawn under any Letter of Credit, including, but not limited to, Letter of Credit Fees,
(iii) interest on all amounts payable under (i) and (ii) above from the date due until paid in full at a per annum rate of interest equal at all times to the Default Rate. 
 “Letter of Credit Rights” has the meaning given to such term in the UCC. 
 “Lender” shall mean Bank of America, N.A., a national banking association. 
 “LIBOR-Based Rate” means a per annum rate of interest equal at all times to the sum of the LIBOR Rate plus the Applicable Margin. The
LIBOR-Based Rate shall change immediately and contemporaneously with each change in the LIBOR Rate. 
 “LIBOR Rate” means, at any
time, the rate of interest equal to the rate per annum (rounded upwards to the nearest 1/100 of one percent) equal to the British Bankers Association LIBOR Rate (“BBA LIBOR”), as published by Reuters (or other commercially available source
providing quotations of BBA LIBOR as selected by the Lender from time to time) as determined for each Interest Rate Change Date at approximately 11:00 a.m. London time two (2) London Banking Days prior to the Interest Rate Change Date, for
U.S. Dollar deposits (for delivery on the first day of such interest period) with a term of one month, as adjusted from time to time in the Lender’s sole discretion for Reserve Requirements, deposit insurance assessment rates and other
regulatory costs. If such rate is not available at such time for any reason, then the rate for that interest period will be the Prime-based Rate. 
 “London Banking Day” means a day on which the Lender’s London Banking Center is open for business and dealing in offshore dollars. 
 “Note” means the Revolving Loan Note of even date herewith from the Borrowers made payable to the order of the Lender. 
 “Obligations” shall mean all present and future indebtedness, liabilities and obligations of any kind and nature whatsoever of the Borrowers to the Lender both now existing and hereafter arising under, as a
result of, on account of, or in connection with, this Agreement and any and all amendments, restatements, supplements and modifications hereof made at any time and from time to time hereafter, the Note, any and all extensions, renewals or
replacements thereof, amendments thereto and restatements or modifications thereof made at any time or from time to 

 time hereafter, the Letter of Credit Agreements, or the other Financing Documents, including, without limitation, future
advances, principal, interest, indemnities, fees, late charges, Letter of Credit Exposure, Enforcement Costs and other costs and expenses whether direct, contingent, joint, several, matured or unmatured, and the indebtedness owed under any Hedge
Agreement. 
 “Payment Intangibles” has the meaning given to such term in the UCC. 
 “PBGC” means the Pension Benefit Guaranty Corporation or its successor entity. 
 “Permitted Acquisition” means the acquisition or purchase of, or investment in, any Person, any operating division or unit of any Person, or
the capital stock or operational assets of any Person or the combination with any Person by any Borrower or any Subsidiary (each individually, a “Subject Transaction”) regardless of the structure of the Subject Transaction, provided that
such Subject Transaction is either (i) less than $3,000,000 per transaction or (ii) the Subject Transaction is in an amount greater than $3,000,000 and the Borrowers can provide evidence to the Lender’s reasonable satisfaction that
the Person that is the target of such Subject Transaction has demonstrated two (2) consecutive calendar quarters of positive cash flow. 
 “Permitted Liens” has the meaning set forth in Section 5.3 of this Agreement. 
 “Person” means any natural
person, individual, company, corporation, partnership, joint venture, unincorporated association, government or political subdivision or agency thereof, or any other entity of whatever nature. 
 “Plan” means any pension, employee benefit, multi-employer, profit sharing, savings, stock bonus or other deferred compensation plan.

 “Prime-Based Rate” means a floating and fluctuating per annum rate of interest equal at all times to the Prime Rate. 

“Prime Rate” shall mean the floating and fluctuating per annum rate of interest of the Lender at any time and from time to time established
and declared by the Lender in its sole and absolute discretion as its prime rate, and does not necessarily represent the lowest rate of interest charged by the Lender to borrowers. 
 “Promissory Notes” has the meaning given to such term in the UCC. 
 “Reserve Requirements” means the maximum rate (expressed as a decimal) at which reserves (including any marginal, supplemental, emergency or
other reserves) are required to be maintained under Regulation D of the Federal Reserve Board or otherwise by any statute or regulation applicable to the class of commercial banks which includes the Lender. 
 “Revolving Credit Account” means the loan account maintained by the Lender with respect to advances, repayments and prepayments of Advances,
the accrual and payment of interest on Advances and all other amounts and charges owing to the Lender in connection with Advances. 
 “Revolving Credit Amount” means the amount of Ten Million Dollars ($10,000,000). 

 “Revolving Credit Expiration Date” means December 31, 2008, or such later date as to which
the Lender shall, in its discretion, agree to extend the Revolving Credit Expiration Date. 
 “Revolving Credit Exposure” means, at
any time, the sum of the aggregate principal amount of outstanding Advances plus the Letter of Credit Exposure. 
 “Revolving Credit
Facility” means the revolving credit facility established pursuant to Section 1.2 hereof in a maximum principal amount at any one time outstanding equal to the Revolving Credit Amount, made available to the Borrowers pursuant to this
Agreement. 
 “Software” has the meaning given to such term in the UCC. 
 “Subordinated Debt” means debt of the Borrowers, the payment of which subordinated to the repayment of the Advances on terms satisfactory to
the Lender in its sole discretion. 
 “Subsidiary” means an entity of which the Borrowers directly or indirectly owns or controls
securities or other ownership interests representing more than 50% of the ordinary voting power thereof. 
 “Subsidiary Guaranty”
means each guaranty agreement executed and delivered by each Subsidiary of the Borrowers to the Lender, in form and substance reasonably satisfactory to the Lender. 
 “Subsidiary Security Agreement” means each security agreement executed and delivered by each Subsidiary of the Borrowers to the Lender, in form and substance reasonably satisfactory to the Lender.

 “Total Funded Debt” shall mean all outstanding liabilities for borrowed money and other interest-bearing liabilities, including
current and long-term debt, Capital Leases and Subordinated Debt, less the non-current portion of Subordinated Debt. For the avoidance of doubt, Total Funded Debt does not include Earn-Out Obligations, unless then earned and due. 
 “Unused Commitment Fee” shall mean the fee paid by the Borrowers to the Lender pursuant to Section 1.2(e). 
 “Unused Commitment Fee Percentage” shall mean the percentage upon which the Unused Commitment Fee shall be calculated, as determined in
accordance with Attachment I hereto. The Unused Commitment Fee Percentage earned during any calendar quarter shall be determined based upon the Borrowers’ ratio of Total Funded Debt to EBITDA as of the last day of the immediately prior
calendar quarter. The Unused Commitment Fee Percentage shall be determined and adjusted quarterly on the first day of the first month after the date by which the annual and quarterly compliance certificates and related financial statements and
information are required in accordance with the provisions of this Agreement. 
 1.2. Revolving Credit Facility. 
 (a) Advances and Letters of Credit. Subject to and upon the provisions of this Agreement and relying upon the representations and warranties herein
set forth, the Lender 

 agrees at any time and from time to time to make Advances to the Borrowers and issue Letters of Credit for the account of
the Borrowers from the date hereof until the earlier of the Revolving Credit Expiration Date or the date on which this Revolving Credit Facility is terminated pursuant to Section 7 hereof, in an aggregate principal amount at any time
outstanding not to exceed the Revolving Credit Amount; provided however, that in no event shall the total Letter of Credit Exposure exceed Two Million Dollars ($2,000,000) at any one time. 
 In no event shall the Lender be obligated to make an Advance or issue a Letter of Credit hereunder if a Default shall have occurred and be continuing.
Unless sooner terminated pursuant to other provisions of this Agreement, this Revolving Credit Facility and the obligation of the Lender to make Advances and issue Letters of Credit hereunder shall automatically terminate on the Revolving Credit
Expiration Date without further action by, or notice of any kind from, the Lender. Within the limitations set forth herein and subject to the provisions of this Agreement, the Borrowers may borrow, repay and reborrow under this Revolving Credit
Facility. The fact that there may be no Advances or Letters of Credit outstanding at any particular time shall not affect the continuing validity of this Agreement. 
 (b) Use of Proceeds of Advances. Each Advance shall be advanced by the Lender not later than the Business Day following the day (which shall be a Business Day) of the Borrowers’ request therefor. The
proceeds of each Advance may be deposited by the Lender in the Borrowers’ demand deposit account with the Lender. The proceeds of the Advances shall be used solely for working capital, for acquisitions permitted by the terms of this Agreement,
and for other lawful purposes. 
 (c) Liability of Lender. Lender shall in no event be responsible or liable to any person other than
Borrowers for the disbursement of or failure to disburse Advances or any part thereof, and no other party shall have any right or claim against Lender under this Agreement or the other Financing Documents. 
 (d) Interest on Advances; Repayment of Advances. Except for any period during which an Event of Default shall have occurred and be
continuing, the Borrowers shall pay interest (calculated on a daily basis) on the unpaid principal balance of the Advances until maturity (whether by acceleration, extension or otherwise) at a per annum rate of interest equal at all times to the
LIBOR-Based Rate in effect from time to time. 
 After maturity, or during any period in which an Event of Default exists and remains
continuing, the unpaid principal balance of the Advances shall bear interest at a rate equal to the Default Rate. 
 Notwithstanding any
other provision of this Agreement, if the Lender determines in good faith (which determination shall be conclusive) (i) that any applicable law, rule, or regulation, or any change in the interpretation of any such law, rule, or regulation shall
make it unlawful or impossible for the Lender to charge or collect interest at the LIBOR-Based Rate, or (ii) that quotations of interest rates for the relevant deposits referred to in the definition of the LIBOR-Based Rate are not being
provided in the relevant amounts or for the relevant maturities, then upon notice from the Lender to the Borrowers, the entire outstanding principal balance of the Revolving Credit Facility shall bear interest at the Prime-Based Rate. 

 Until the maturity of the Revolving Credit Facility, all accrued and unpaid interest on all Advances
shall be paid monthly on the first day of each month (each, an “Interest Payment Date”). 
 If not sooner paid, the entire
outstanding principal balance of the Advances, together with all accrued and unpaid interest thereon, shall be due and payable on the Revolving Credit Expiration Date. 
 (e) Unused Commitment Fee. During the period from the date hereof until the earlier of the Revolving Credit Expiration Date or the date on which the Revolving Credit Facility is terminated pursuant to the
provisions hereof, the Borrowers shall pay to the Lender an availability fee in a per annum amount equal to the Unused Commitment Fee Percentage times the average daily unused portion of the Revolving Credit Amount. Such availability fee shall
commence to accrue on the date hereof and shall be due and payable by the Borrowers quarterly, in arrears, commencing on March 31, 2006 and on the last Business Day of each third month thereafter, and on the earlier of the Revolving Credit
Expiration Date or on the date on which the Revolving Credit Facility is terminated pursuant to Section 7 hereof. 
 (f) Note;
Revolving Credit Account. The Borrowers’ obligation to pay the Advances with interest shall be evidenced by the Note. The Lender will maintain the Revolving Credit Account with respect to advances, repayments and prepayments of Advances,
the accrual and payment of interest on Advances and all other amounts and charges owing to the Lender in connection with Advances. Except for demonstrable error, the Revolving Credit Account shall be conclusive as to all amounts owing by the
Borrowers to the Lender in connection with and on account of Advances. 
 (g) Notwithstanding anything contained herein to the contrary, so
long as the Borrowers opt to use the Lender’s “AutoBorrow” program and have executed and delivered to the Lender an AutoBorrow Service Agreement (which AutoBorrow Service Agreement remains in full force and effect), all Advances to be
made hereunder shall be made in accordance with, and all interest accrued on such Advances and all repayments of such Advances shall be payable at the times and in the manner provided for in, the AutoBorrow Service Agreement. To the extent that any
of the provisions of Section 1.2(a) through 1.2(g) hereof are inconsistent with provisions of the AutoBorrow Service Agreement, the provisions of the AutoBorrow Service Agreement shall govern. Any Advances made to the Borrowers under the
AutoBorrow Service Agreement shall nonetheless be deemed to be an Advance hereunder, subject to all other terms hereof. 
 (h) Voluntary
Prepayments; Voluntary Termination. The Borrowers may prepay any Advance in whole or in part, from time to time without premium or penalty. Any permitted prepayment need not be accompanied by payment of interest on the amount prepaid except that
any prepayment of Advances which constitutes a final payment of all Advances shall be accompanied by payment of all interest thereon accrued through the date of prepayment. 

 (i) Terms of Letters of Credit. Each Letter of Credit shall (i) be a commercial Letter of
Credit or a standby Letter of Credit, (ii) be opened pursuant to a Letter of Credit Agreement duly executed and delivered to the Lender by the Borrowers prior to the issuance of such Letter of Credit, (iii) expire not later than six
(6) months after the Revolving Credit Expiration Date (unless such are secured by cash or cash-equivalent collateral satisfactory to the Lender in the Lender’s sole discretion) provided, however, that if the Revolving Credit
Facility is not renewed or extended, the Borrower shall provide cash security for all outstanding Letters of Credit scheduled to expire after the Revolving Credit Expiration date, not later than fifteen (15) days prior to the Revolving Credit
Expiration Date, (iv) be in an amount not less than $10,000, (v) be issued in the ordinary course of the Borrowers’ business, and (vi) be issued in accordance with the Lender’s then current practices relating to the issuance
of letters of credit. All powers, right, remedies and provisions set forth in any Letter of Credit Agreement shall be in addition to those set forth herein. In the event of any conflict between the provisions of this Agreement and the provisions of
any Letter of Credit Agreement, the provisions of this Agreement shall prevail and control unless expressly provided otherwise herein or in the Letter of Credit Agreement.  
 (j) Procedures for Letters of Credit. The Borrowers shall give the Lender written notice of its request for a Letter of Credit at least three
(3) Business Days prior to the date on which the Letter of Credit is to be opened by delivering to the Lender a duly executed Letter of Credit Agreement in form and content acceptable to the Lender setting forth (i) the face amount of the
Letter of Credit, (ii) the name and address of the beneficiary of the Letter of Credit, (iii) whether the Letter of Credit is irrevocable or revocable, (iv) whether the Letter of Credit requested is a standby or commercial Letter of
Credit, (v) the date the Letter of Credit is to be opened and the date the Letter of Credit is to expire, (vi) the purpose of the Letter of Credit, (vii) the terms and conditions for any draws under the Letter of Credit, and
(viii) such other information as the Lender may reasonably deem to be necessary or desirable. 
 (k) Letter of Credit Fees. With
respect to each Letter of Credit issued hereunder, the Borrowers shall pay to the Lender a letter of credit fee (the “Letter of Credit Fee”) in an amount per annum set forth in the table attached hereto as Attachment I,
payable quarterly in advance, plus the Lender’s then standard fee for the issuance, negotiation, processing and administration of letters of credit of the same type as the Letter of Credit. The amount of the Letter of Credit Fee payable
per annum with respect to any Letter of Credit shall be a percentage of the face amount of such Letter of Credit, calculated on the basis of the table included as Attachment I hereto, based upon the Borrowers’ ratio of Total Funded Debt
to EBITDA as of the end of the calendar quarter immediately preceding the date of calculation. 
 (l) Agreement to Pay Letter of Credit
Obligations. The Borrowers shall pay to the Lender the Letter of Credit Obligations when due; provided, however, that (a) so long as the Borrowers have availability under the Revolving Credit Facility, the Lender may, and is
hereby authorized to, make Advances to itself to pay when due any or all Letter of Credit Obligations incurred in connection with Letters of Credit. The Lender may maintain on its books a letter of credit account (the “Letter of Credit
Account”) with respect to the Letter of Credit Obligations paid and payable from time to time hereunder. Except for demonstrable error, the Letter of Credit Account shall be conclusive as to all amounts owing by the Borrowers to the

 Lender in connection with and on account of the Letter of Credit Obligations. From the date due until paid in full, all
Letter of Credit Obligations shall bear interest at the rate then applicable to Advances. 
 (m) Agreement to Pay Absolute. The
obligation of the Borrowers to pay Letter of Credit Obligations set forth above shall be absolute and unconditional and irrespective of (i) any lack of validity or enforceability of any Letter of Credit, (ii) the existence of any claim,
setoff, defense or other right which the Borrowers may at any time have against the beneficiary under any Letter of Credit or the Lender, (iii) any draft or other document presented under a Letter of Credit proving to be forged, fraudulent,
invalid or insufficient in any respect or any statement therein being untrue provided that payment by the Lender under such Letter of Credit against presentation of such draft shall not have constituted gross negligence or willful misconduct, and
(v) any other events or circumstances whatsoever, whether or not similar to any of the foregoing provided that the payment by the Lender under the Letter of Credit shall not have constituted gross negligence or willful misconduct of the Lender.

 (n) Commitment Fee. In consideration for the agreements of the Lender as set forth herein, the Borrowers agree to pay to the Lender
at closing the balance remaining of its commitment fee of twenty-five (25) basis points times the Revolving Credit Amount, which fee shall be deemed earned upon its receipt by the Lender. 
 1.3. Additional Provisions. 
 (a)
Interest Calculation. Other than calculations with respect to the Prime Rate (which shall be computed on the basis of actual days elapsed in a 365/366 day year), all interest and fees payable under the provisions of this Agreement or the Note
shall be computed on the basis of actual number of days elapsed over a year of 360 days. 
 (b) Late Charges. Except for principal,
interest and other charges due upon acceleration of the Obligations, if the Borrowers fails to make any payment of principal, interest, prepayments, fees or any other amount becoming due pursuant to the provisions of this Agreement, the Note or any
other Financing Document within fifteen (15) days after the date due and payable, the Borrowers shall pay to the Lender a late charge equal to five percent (5%) of the amount of such payment. Such 15-day period shall not be construed in
any way to extend the due date of any such payment. Late charges are imposed for the purpose of defraying the Lender’s expenses incident to the handling of delinquent payments, and are in addition to, and not in lieu of, the exercise by the
Lender of any rights and remedies hereunder or under applicable laws and any fees and expenses of any agents or attorneys which the Lender may employ upon the occurrence of an Event of Default. 
 (c) Payments. Whenever any payment to be made by the Borrowers under the provisions of this Agreement, the Note, the Letter of Credit Agreements
or any other Financing Document is due on a day which is not a Business Day, the due date thereof shall be extended to the next succeeding Business Day and, in the case of any payment which bears interest, such extension of time shall be included in
computing interest on such payment. All payments of principal, interest, fees or other amounts to be made by the Borrowers under the provisions of 

 this Agreement or the Note shall be paid without set-off or counterclaim to the Lender at the Lender’s office at
1101 Wooton Parkway, 4th Floor, Rockville, Maryland 20852, or to such other place as the Lender shall direct in
writing, in lawful money of the United States of America in immediately available funds. 
 (d) Interest On Overdue Amounts. If the
principal of or interest on, the Note or any other amount required to be paid to the Lender hereunder or under the Note or any of the other Financing Documents is not paid within fifteen (15) days after the date when the same becomes due and
payable, whether by acceleration or otherwise, the Borrowers shall on demand from time to time pay to the Lender interest on such principal, interest or other amount from the date due until the date of payment (after as well as before any judgment)
at a rate per annum equal to the Default Rate. 
 (e) Collateral and Subsidiary Guarantees. (1) In order to secure the full and
punctual payment of the Obligations in accordance with the terms thereof, and to secure the performance of this Agreement and the other Financing Documents, the Borrowers hereby pledge and assign to the Lender, and grant to the Lender a continuing
lien and security interest in and to the Collateral, both now owned and existing and hereafter created, acquired and arising and regardless of where located. 
 (2) Promptly, following the acquisition or creation thereof and in any event within thirty (30) days after a request with respect thereto, the Borrowers shall cause each of the Borrowers’ Subsidiaries formed
after the execution of this Agreement to become party to, and to execute and deliver, a Subsidiary Guaranty Agreement, guarantying to the Lender the prompt payment, when and as due, of all Obligations of the Borrowers under the Financing Documents,
including all obligations under any Hedge Agreements. 
 (3) Promptly, following the acquisition or creation thereof and in any event within
thirty (30) days after a request with respect thereto, the Borrowers shall cause such Subsidiary to grant to the Lender a first priority lien on all property (tangible and intangible) of such Subsidiary, including, without limitation, all of
the capital stock of any of its domestic subsidiaries and 65% of the stock of any of its foreign subsidiaries, upon terms similar to those set forth in the Financing Documents and otherwise reasonably satisfactory in form and substance to the
Lender. The Borrowers shall cause such Subsidiary, at its own expense, to become a party to a Subsidiary Security Agreement and any other Financing Document and to execute, acknowledge and deliver, or cause the execution, acknowledgment and delivery
of, and thereafter register, file or record in any appropriate governmental office, any document or instrument reasonably deemed by the Lender to be necessary or desirable for the creation and perfection of the foregoing liens (including legal
opinion, consents, corporate documents and any additional or substitute security agreements or mortgages). The Borrowers will cause such Subsidiary to take all actions requested by the Lender (including, without limitation, the filing of
UCC-1’s) in connection with the granting of such security interests. 
 (4) The security interests required to be granted pursuant to
this Section shall be granted pursuant to such security documentation as is reasonably satisfactory in form and substance to Lender (the “Additional Financing Documents”) and shall constitute valid and 

 enforceable perfected security interests prior to the rights of all third Persons and subject to no other Liens except
Liens permitted hereunder. The Additional Financing Documents and other instruments related thereto shall be duly recorded or filed in such manner and in such places and at such times as are required by law to establish, perfect, preserve and
protect the Liens, in favor of the Lender, granted pursuant to the Additional Financing Documents and, all taxes, fees and other charges payable in connection therewith shall be paid in full by the Borrowers. At the time of the execution and
delivery of Additional Financing Documents, the Borrowers shall cause to be delivered to Lender such agreements, opinions of counsel, and other related documents as may be reasonably requested by the Lender to assure it that this Section has been
complied with. 
 (5) Automatic Debit. To ensure timely payment of all interest and other sums due hereunder, the Borrowers hereby
authorizes and instructs the Lender to either (i) debit, on the due date thereof, demand deposit account no. 00393577 3043 maintained at the Lender for the amount then due, (ii) if the amount in the foregoing demand deposit account is
insufficient to satisfy the amount then due, or (iii) if the Borrowers so instruct the Lender, cause an Advance to be made sufficient to pay the amount then due. This authorization shall not affect the obligation of the Borrowers to pay such
sums when due, without notice, if there are insufficient funds available to make any payment in full on the due date thereof, or if the automatic debit feature is at any time terminated by the Lender in its discretion. 
 1.4. The Borrowers’ Representative. Each of the Borrowers hereby represents and warrants to the Lender that each of them will derive
benefits, directly and indirectly, from the proceeds of each Advance and Letter of Credit, both in its separate capacity and as a member of the integrated business to which each of the Borrowers belong. For administrative convenience, TVI is hereby
irrevocably appointed by each of the Borrowers as agent for each of the Borrowers for the purpose of requesting Advances and Letters of Credit hereunder from the Lender, receiving the proceeds of Advances and disbursing the proceeds of Advances
among the Borrowers. In its capacity as such agent, TVI shall have the power and authority through its authorized officer or officers to (i) endorse any check for the proceeds of any Advance for and on behalf of each of the Borrowers and in the
name of each of the Borrowers, and (ii) instruct the Lender to credit the proceeds of any Advance directly to a banking account of any of the Borrowers. By reason of the foregoing, the Lender is hereby irrevocably authorized by each of the
Borrowers to make Advances to the Borrowers and issue Letters of Credit for the account of the Borrowers pursuant to this Agreement upon the request of any one of the persons who is authorized to do so under the provisions of any applicable
corporate resolutions of TVI. The Lender assumes no responsibility or liability for any errors, mistakes and/or discrepancies in any oral, telephonic, written or other transmissions of any instructions, orders, requests and confirmations between the
Lender and any one or more of the Borrowers in connection with any Advance, Letter of Credit or other transaction pursuant to the provisions of this Agreement, except for acts of gross negligence and/or willful misconduct. 

 SECTION 2. Conditions Precedent. 
 2.1. Initial Advance or Letter of Credit. The Lender shall not be required to make the initial Advance, or issue the initial Letter of Credit
hereunder, whichever occurs first, unless the following conditions precedent have been satisfied in a manner reasonably acceptable to the Lender and its counsel: 
 (a) Borrowers’ Organizational Documents. The Lender shall have received with respect to the Borrowers: (i) a copy, certified as of a recent date by the Maryland State Department of Assessments and
Taxation or other jurisdiction of organization, as applicable, of the Borrowers’ Articles of Incorporation or Articles of Organization, as applicable, as well as a copy of the Borrowers’ bylaws, operating agreements and all amendments
thereto, as applicable (ii) a Certificate of Good Standing for each of the Borrowers issued by the Maryland State Department of Assessments and Taxation or other jurisdiction of organization, as applicable, and (iii) a copy, certified to
the Lender as true and correct as of the date hereof by the Borrowers, of the resolutions of the Borrowers’ boards of directors or managers, as applicable, authorizing the execution and delivery of this Agreement and the other Financing
Documents to which the Borrowers are a party and designating by name and title the officer(s) of the Borrowers who are authorized to sign this Agreement and such other Financing Documents for and on behalf of the Borrowers and to make the borrowings
hereunder. 
 (b) Lists of Locations, Etc. The Borrowers shall have delivered to the Lender a list showing the street address, city or
county and state of the Borrowers’ chief executive office and of any other location where the Borrowers conducts or has a place of business or where any of the Collateral is or may be located, which list shall include the names of all landlords
(and mortgagees) and be accompanied by true and complete copies of all leases, together with all amendments thereto; 
 (c) Insurance.
The Borrowers shall have delivered to the Lender (or shall have made arrangements for delivery within thirty (30) days of closing) an Accord certificate of insurance reflecting the Borrowers’ property and casualty insurance coverage policy
from a well-rated and responsible insurance company insuring the Collateral in amounts reasonably satisfactory to the Lender against loss or damage resulting from fire and other risks insured against by extended coverage, that lists the Lender as
loss payee; 
 (d) Searches. The Lender shall have received the results of a search by an attorney or company reasonably satisfactory
to the Lender of the Uniform Commercial Code filings with respect to the Borrowers in their jurisdictions of organization and in which the Borrowers conduct or have a place of business or in which any of the Collateral is or will be located,
accompanied by copies of such filings, if any, and evidence reasonably satisfactory to the Lender that any security interest or other lien indicated in any such filing has or will be released or is permitted by the Lender so that the Lender’s
security interest in the Collateral will be a perfected first security interest and lien on the Collateral subject only to Permitted Liens and such other matters as the Lender may approve; 
 (e) Opinions. The Lender shall have received the written opinion of counsel of the Borrowers dated on or around the date of this Agreement,
reasonably satisfactory in form and content to the Lender, opining, among other things, that the Borrowers are duly organized, 

 validly existing, and in good standing, that the Financing Documents executed and delivered by the Borrowers have been
duly authorized by all requisite corporate action, and that the Financing Documents executed and delivered by the Borrowers constitute the legal, valid, binding, and enforceable obligations of the Borrowers, enforceable against the Borrowers, as
applicable, in accordance with the terms thereof, subject to customary exceptions and limitations reasonably acceptable to the Lender. 
 (f)
Financing Documents. The Lender shall have received each of the Financing Documents required by the Lender to be executed and delivered prior to the making of the initial Advance. 
 (g) Due Diligence. The Lender shall have received and reviewed such financial information and other due diligence reports as the Lender shall
reasonably require. 
 (h) Operating Account; Etc. The Borrowers shall have established an operating account into which Advances shall
be paid, and the Borrowers shall maintain its primary accounts with the Lender. 
 (i) Additional Documents. The Borrowers shall have
furnished in form and content reasonably acceptable to the Lender any additional documents, agreements, certifications, record searches, insurance policies or opinions which the Lender may reasonably deem necessary or desirable. 
 2.2. All Advances and Letters of Credit. The Lender shall not be required to make any Advances, including the initial Advance, or issue any Letter
of Credit, until compliance to the satisfaction of the Lender with all of the following conditions at the time of and with respect to each Advance or Letter of Credit: 
 (a) Representations and Warranties. No representation or warranty made in or in connection with this Agreement and the other Financing Documents shall be untrue, incorrect or incomplete in any material respect
on and as of the date of any Advance or Letter of Credit as if made on such date, except for changes in facts or circumstances arising in the ordinary course of business and which do not constitute a breach of any covenant set forth herein; and

 (b) Event of Default or Default. No Event of Default or Default shall have occurred and be continuing. 
 SECTION 3. Representations and Warranties. The Borrowers represents and warrants to the Lender that, except as specifically set forth on Schedule
3 attached hereto, the following statements are true, correct and complete in all material respects as of the date hereof and as of each date any Advance is to be made or any Letter of Credit is to be issued hereunder, except for changes in facts or
circumstances arising in the ordinary course of business and which do not constitute a breach of any covenant set forth herein: 

 3.1. Authority, Etc. TVI is duly incorporated and in good standing under the laws of Maryland
under organizational identification number D00737676. CAPA Manufacturing Corp. is duly incorporated and in good standing under the laws of Maryland under organizational identification number D07907413. Safety Tech International, Inc. is duly
incorporated and in good standing under the laws of Maryland under organizational identification number D10721777. TVI Air Shelters, LLC is duly organized and in good standing under the laws of Maryland under organizational identification number
W10727758. The Borrowers are qualified to do business in all states where the Borrowers do business, except where the failure to be so qualified would not materially adversely affect the business, operations or financial condition of the Borrower.
The Borrowers have the full power and authority to execute, deliver and perform this Agreement and the other Financing Documents to which the Borrowers are a party. Neither such execution, delivery and performance, nor compliance by the Borrowers
with the provisions of this Agreement and of the other Financing Documents to which the Borrowers are a party will conflict with or result in a breach or violation of the Borrowers’ articles of incorporation or bylaws, or any judgment, order,
regulation, ruling or law to which the Borrowers are subject or any contract or agreement to which the Borrowers are a party or to which the Borrowers’ assets and properties is subject, or constitute a default thereunder. The execution,
delivery and performance of this Agreement and all other Financing Documents to which the Borrowers are a party have been duly authorized and approved by all necessary action by the Borrowers and constitute the legal, valid and binding obligations
of the Borrowers, enforceable in accordance with their terms except as enforceability may be limited by bankruptcy, insolvency or similar laws affecting the enforcement of creditors’ rights generally. 
 3.2. Litigation. Except as specified in Schedule 1.1, there is no litigation or proceeding pending or, to the knowledge of any
representative of the Borrowers signing this Agreement on behalf of the Borrowers, specifically threatened in writing, against or affecting the Borrowers which might materially adversely affect the business, financial condition or operations of the
Borrowers or the ability of the Borrowers to perform and comply with this Agreement or the other Financing Documents to which the Borrowers are a party. 
 3.3. Subsidiaries. TVI does not currently have any Subsidiaries other than the Subsidiaries executing this Agreement. 
 3.4. Financial Condition. The Borrowers have heretofore furnished to the Lender certain financial statements. Such financial statements and all other financial statements and information furnished or to be
furnished to the Lender hereunder have been and will be prepared in accordance with generally accepted accounting principles (subject to year-end adjustments and the omission of footnote information) and fairly present in all material respects the
financial condition of the Borrowers as of the dates thereof and the results of the operations of the Borrowers for the periods covered thereby. No material adverse change in the business, financial condition or operations of the Borrowers (on an
aggregated basis) have occurred since the date of such financial statements. The Borrowers do not have any indebtedness or liabilities that are required to be accrued on financial statements prepared in accordance with GAAP other than that reflected
on such financial statements or expressly permitted by the provisions of this Agreement, and accounts payable incurred in the ordinary course of business since the date of such financial statements. The Borrowers are not in default under any
obligation for borrowed money. 

 3.5. Taxes. The Borrowers have filed all federal, state and local income, excise, property and
other tax returns which are required to be filed and has paid all taxes as shown on such returns or assessments received (including, without limitation, all F.I.C.A. payments and withholding taxes, if appropriate), except for such taxes, if any, as
are being contested in good faith and as to which adequate reserves have been provided. No tax liens have been filed and no claims are being asserted with respect to such taxes or assessments. 
 3.6. Title to Properties and Collateral. The Borrowers have good and marketable title to all of the Borrowers’ assets and properties,
including, without limitation, the Collateral, and such assets and properties are subject to no liens, security interests or other encumbrances except for those of the Lender or other Permitted Liens. 
 3.7. Borrowers’ Name, Business Locations, etc. The correct legal names of the Borrowers are those specified on Schedule 3.7. Except as
provided on Schedule 3.7, the Borrowers have conducted business under their legal names since their formation. The Borrowers do not do business under any trade or fictitious names. The chief executive office of the Borrowers and the place
where records concerning Accounts and other Collateral are kept are as set forth on Schedule 3.7 hereto, and each other location at which the Borrowers conduct business or keeps any of the Collateral is listed on Schedule 3.7 attached hereto.
All Equipment is personalty and is not and will not be affixed to real estate in such a manner as to become a fixture and a part of such real estate except for the Equipment described in Schedule 3.7 attached hereto, if any, which is or will
be attached to the real estate described in Schedule 3.7 attached hereto. Such real estate, if any, is owned of record by the person or persons specified in Schedule 3.7 attached hereto. 
 3.8. Compliance with Laws. (a) To the knowledge of the Borrowers, the Borrowers are not in violation of any applicable federal, state or
local law, statute, rule, regulation or ordinance and has not received any notice of, and is not the subject of, any pending investigation or complaint alleging that the Borrowers or the Collateral (or any part thereof) or any other property owned,
leased, operated or used by the Borrowers are in violation of any such law, statute, rule, regulation or ordinance, including, without limitation, Environmental Laws, other than violations that will not have a material adverse effect on the
business, operations or financial condition of the Borrowers. 
 (b) To the knowledge of the Borrowers, no Hazardous Materials have been
used, located, installed, spilled, treated, released or stored on, under or from any property in or on which the Borrowers conduct their operations except for those which have been handled in a manner not prohibited by applicable Environmental Laws
or which will not have a material adverse effect on the business, operations or financial condition of the Borrowers. 
 3.9. Federal
Reserve Board Regulations. The Borrowers are not engaged in the business of extending credit for the purpose of purchasing or carrying “margin stock” within the meaning of Regulation U of the Board of Governors of the Federal Reserve
System of the United States (the “Board”) and no part of the proceeds of the Advances will be used for any purpose which entails a violation of Regulations U or X of the Board. 

 3.10. ERISA. No Plan maintained by the Borrowers or any trade or business group with which the
Borrowers are affiliated subject to the requirements of ERISA has been terminated, no lien exists against the Borrowers in favor of the PBGC, and no “reportable event” (as such term is defined in ERISA) has occurred with respect to any
such Plan. The Borrowers have not incurred any “accumulated funding deficiency” within the meaning of ERISA or any liability to the PBGC in connection with any Plan. Borrowers do not have any withdrawal or other liability (absolute,
contingent or otherwise) with respect to any multi-employer plan as defined by Section 3(37) of ERISA. The Borrowers have complied with in all material respects all provisions of ERISA and with all provisions of any Plan sponsored, maintained
by, or contributed to, by the Borrowers. 
 3.11. Licenses, etc. The Borrowers have obtained and now hold all licenses, permits,
franchises, patents, trademarks, copyrights and trade names which are necessary to the conduct of the business of the Borrowers as now conducted free, to the knowledge of the Borrowers, of any conflict with the rights of any other person.

 3.12. Labor Matters. Except as disclosed in writing to the Lender, the Borrowers are not subject to any collective bargaining
agreements or any agreements, contracts, decrees or orders requiring the Borrowers to recognize, deal with or employ any persons organized as a collective bargaining unit or other form of organized labor. There are no strikes or other material labor
disputes pending or, to the knowledge of the Borrowers, threatened against the Borrowers. The Borrowers have complied in all material respects with the Fair Labor Standards Act. 
 3.13. Accuracy of Information. To the knowledge of the Borrowers, no information, exhibit, report, statement, certificate or document furnished by
the Borrowers to the Lender in connection with this Agreement or the other Financing Documents or the negotiation thereof contains any material misstatement of fact or omitted to state a material fact or any fact necessary to make the statements
contained herein or therein not misleading. 
 3.14. No Debarment. The Borrowers are not subject to any pending or threatening
debarment proceedings. 
 3.15 Intellectual Property. Schedule 3.15 to this Agreement is a complete list of all patents,
trademark and service mark registrations, copyright registrations, mask work registrations, and all applications therefor, in which the Borrowers have any right, title, or interest, throughout the world. The Borrowers will promptly notify the Lender
of any acquisition (by adoption and use, purchase, license or otherwise) of any material patent, trademark or service mark registration, copyright registration, mask work registration, and applications therefor, throughout the world, which are
granted or filed or acquired after the date hereof or which are not listed on Schedule 3.15. The Borrowers authorizes the Lender, without notice to the Borrowers, to modify this Agreement by adding same to Schedule 3.15 to include any such
Collateral. 

 3.16. Assignment of Government Payments. Borrowers have the right to assign to the Lender all
payments due or to become due under all of Borrowers’ U.S. Government Contracts, if any, and there exists no uncanceled assignment of payment rights under any such Government Contract. 
 3.17. Government Regulation. The Borrowers are not an “investment company” or an “affiliated person” of or
“provider” or “principal underwriter” for an “investment company” as such terms are defined in the Investment Company Act of 1940, as amended. The Borrowers are not subject to regulation under the Public Utility Holding
Company Act of 1935, the Federal Power Act, or any other federal or state statute that restricts or limits its ability to incur Indebtedness or to perform its obligation hereunder. 
 3.18. Controlling Interests; Bank Secrecy Act, Etc. (a) No person who owns a controlling interest in or otherwise controls any Borrower is
(i) listed on the Specially Designated Nationals and Blocked Persons List maintained by the Office of Foreign Assets Control (“OFAC”), Department of the Treasury, and/or any similar lists maintained by OFAC pursuant to any statute,
execution order, or regulation, or (ii) a Person designated under Section 1(b), (c) or (d) of Executive Order No. 13224 (September 23, 2001), any related enabling legislation, or any similar executive orders, and
(b) the Borrowers are in compliance with all Bank Secrecy Act (“BSA”) laws, regulations, and government guidance on BSA compliance and on the prevention and detection of money laundering violations. 
 SECTION 4. Affirmative Covenants. The Borrowers covenants and agrees with the Lender that so long as any of the Obligations (or commitments
therefor) shall be outstanding: 
 4.1. Payment of Obligations. The Borrowers shall, and shall cause each Subsidiary to, punctually pay
the principal of and interest on the Credit Facilities and the other Obligations, at the times and places, in the manner and in accordance with the terms of this Agreement, the Note, and the other Financing Documents. 
 4.2. Financial Statements and Other Reports. The Borrowers will be required to maintain at all times a system of accounting established and
administered in accordance with sound business practices, and will deliver, or cause to be delivered, to the Lender: 
 (a) Annual
Financial Statements. Within one hundred twenty (120) days of the end of each fiscal year of the Borrowers, the annual consolidated financial statement of TVI (including statements of financial condition, income, profits and loss, cash
flows and changes in shareholder’s equity) audited by independent certified public accountants reasonably satisfactory to the Lender, prepared in accordance with GAAP; 
 (b) Quarterly Financial Statements. Within forty-five (45) days after the end of each calendar quarter, the consolidated balance sheets and
income statements of the Borrowers prepared by an authorized financial officer of the Borrowers and showing the financial condition of the Borrowers and its Subsidiaries as of the end of such quarter and the results of operations of the Borrowers
and its Subsidiaries from the beginning of the current calendar year of the Borrowers to the end of such quarter; 

 (c ) Compliance Certificates. Concurrent with the delivery of the financial statements described
in Sections (a) and (b) above, a written certification, signed by an authorized financial officer of TVI, to the effect that such officer has no knowledge of the existence of any Defaults under the Financing Documents or if such officer
has knowledge of the existence of an Event of Default, a statement as to the nature thereof and the action which the Borrowers proposes to take with respect thereto. Such written certification shall include the calculations made by the Borrowers to
determine compliance by the Borrowers with each of the financial covenants set forth herein as of the date of the financial statements delivered therewith; 
 (d) Contract Backlog Report. Within forty-five (45) days after the end of each quarter, a contract backlog report; 
 (e) Accounts Receivable Aging. Within forty-five (45) days after the end of each quarter, an aging of the Borrowers’ Accounts, in form and substance reasonably satisfactory to the Lender; and

 (f) Other Information. Promptly upon request of the Lender such other information, reports or documents respecting the business,
properties, operation or financial condition of the Borrowers as the Lender may at any time and from time to time reasonably request. 
 4.3.
Conduct of Business and Maintenance of Existence. The Borrowers and each Subsidiary shall continue to engage in business of the same general type as now being conducted by the Borrowers, and do and cause to be done all things necessary to
maintain and keep in full force and effect its corporate existence in good standing in each jurisdiction in which it conducts business. 
 4.4. Compliance with Laws. 
 (a) The Borrowers shall, and shall cause each Subsidiary to, comply in all material
respects with all laws, statutes, ordinances, orders, rules or regulations applicable to the Borrowers, any Subsidiary, or the Collateral (or any part thereof) or to any other property owned, leased, operated or used by the Borrowers or any
Subsidiary, including, without limitation, Environmental Laws. 
 (b) Neither the Borrowers nor any Subsidiary will use, locate,
install, spill, treat, release or store Hazardous Materials on, under or from any property owned, leased, operated or used by the Borrowers or such Subsidiary unless such Hazardous Materials are handled in a manner not prohibited by applicable
Environmental Laws and are handled in a manner and in such quantities that would not constitute a hazard to the environment or human health and safety or subject the Borrowers or any Subsidiary to any prosecution or material liability in connection
therewith. The Borrowers will, and will cause each Subsidiary to, dispose of all Hazardous Materials only at facilities and/or with carriers that maintain governmental permits under applicable Environmental Laws. The Borrowers shall, and shall cause
each Subsidiary to, promptly, at the cost and expense of the Borrowers, take all action necessary or required by Environmental Laws to remedy or correct any violation of Environmental Laws by the Borrowers or any Subsidiary, the Collateral (or any
part thereof) or by any other property owned, leased, used or operated by the Borrowers or any Subsidiary. 

 (c) If the Lender shall have, in the exercise of good faith, reason to believe at any time or from time
to time there are or may be Hazardous Materials affecting the Collateral (or any part thereof) or any other property owned, leased, operated or used by the Borrowers or any Subsidiary in violation of applicable Environmental Laws, the Borrowers,
upon the request of the Lender and at the cost and expense of the Borrowers, shall furnish to the Lender an environmental assessment of the Collateral and such other property in such detail and content and by an environmental consultant or engineer
acceptable to the Lender. The Borrowers shall provide evidence to the Lender within ten (10) business days of the Lender’s request, that such an assessment will be promptly undertaken and completed. 
 (d) The Borrowers hereby agree to indemnify and hold the Lender and its employees and agents harmless from and against any and all liability, loss,
damage, costs and expenses suffered or incurred by the Lender during or after the term of this Agreement arising out of or resulting from a violation of any Environmental Laws by the Borrowers, any Subsidiary, the Collateral (or any part thereof)
and any other property owned, leased, used or operated by the Borrowers or any Subsidiary provided, however that the Borrowers shall not be required to indemnify any party for liability, loss, damage, costs, or expenses arising from such
party’s own gross negligence or willful misconduct. The obligations and liabilities of the Borrowers under the foregoing indemnity, together with interest thereon commencing ten (10) days after the date written demand is received by the
Borrowers until paid in full at the interest rate then applicable to Advances hereunder, shall be paid by the Borrowers to the Lender upon written demand and shall be a part of the Obligations hereunder. The foregoing indemnity shall survive the
payment of all other Obligations and the release of the Collateral. 
 4.5. Payment of Liabilities and Taxes. The Borrowers shall pay,
and shall cause each Subsidiary to pay, when due, all of their indebtedness and liabilities, and pay and discharge promptly all taxes, assessments and governmental charges and levies (including, without limitation, F.I.C.A. payments and withholding
taxes) upon the Borrowers or any Subsidiary or upon the Borrowers’ or any Subsidiary’s income, profits or property (including, without limitation, the Collateral), except to the extent the amount or validity thereof is contested in good
faith by appropriate proceedings so long as adequate reserves have been set aside therefore, in each case unless the failure to do so involves less than $100,000 in the aggregate. 
 4.6. Contractual Obligations. The Borrowers shall comply, and shall cause each Subsidiary to comply, with any agreement or undertaking to which
the Borrowers or any Subsidiary is a party and maintain in full force and effect all contracts and leases to which the Borrowers or any Subsidiary is or become a party, in each case unless the failure to do so would not have a material adverse
effect on the business, operation, properties or financial condition of the Borrowers and its Subsidiaries on an aggregated basis. 
 4.7.
Maintenance of Properties; Collateral. The Borrowers shall, and shall cause each Subsidiary to, do all things necessary to maintain, preserve, protect and keep their properties, including the Collateral, in good repair, working order and
condition, and make all necessary and 

 proper repairs, renewals and replacements so that the Borrowers’ and each Subsidiary’s business may be properly
conducted at all times, in each case unless the failure to do so would not have a material adverse effect on the business, operation or financial condition of the Borrowers and its Subsidiaries (on an aggregated basis). The Borrowers shall promptly
notify the Lender of any event causing deterioration, loss or depreciation in value of any substantial portion of the Collateral and the amount of such loss or depreciation. The Borrowers and each Subsidiary shall perform, observe, and comply with
all of the reasonable terms and provisions to be performed, observed or complied with by them under each contract, agreement or obligation relating to the Collateral. The Lender shall have no duty to, and the Borrowers hereby release the Lender from
all claims for loss or damage caused by the failure of the Lender to, collect, protect, preserve or enforce any of the Collateral or preserve rights against account debtors and prior parties to the Collateral, except for acts of gross negligence or
willful misconduct. 
 4.8. Insurance. The Borrowers shall maintain, and shall cause each Subsidiary to maintain, with financially
sound, well rated and reputable insurance companies insurance in such amounts and covering such risks as is consistent with sound business practice, and in any event as is ordinarily and customarily carried by (and, as implied, economically
available to) companies similarly situated and in the same or similar businesses as the Borrowers. The Borrowers will pay, when due, all premiums on such insurance and will furnish to the Lender, upon request, evidence of payment of such premiums
and other information as to the insurance carried by the Borrowers. Such insurance shall include, as applicable and without limitation, (a) comprehensive fire and extended coverage insurance on the physical assets and properties of the
Borrowers (including, without limitation, the Collateral) against such risks, with such loss deductible amounts and in such amounts conforming to prudent business practices and in such minimum amounts that the Borrowers will not be deemed a
co-insurer under applicable insurance laws, regulations, policies and practices, and (b) public liability insurance against claims for personal injury or death or property damage occurring upon, in, about or in connection with the use of any
properties owned, occupied or controlled by the Borrowers, and (c) worker’s compensation insurance (as applicable). Each policy of such insurance covering the Collateral shall contain a provision or endorsement reasonably satisfactory to
the Lender naming the Lender as loss payee and providing that (a) such policy may not be canceled or significantly altered and the Lender may not be removed as loss payee without at least thirty days prior written notice to the Lender, and
(b) no act or default of the Borrowers or any other person shall affect the right of the Lender to recover under such policy. The Borrowers hereby irrevocably (x) assign and grant to the Lender a security interest in any and all proceeds
of each such insurance policy covering the Collateral, and during the continuation of an Event of Default, (y) direct each insurance company to pay all such proceeds directly to the Lender, and (z) constitute and appoint the Lender (and
all officers, employees or agents designated by the Lender) as the Borrowers’ true and lawful attorney-in-fact (coupled with an interest) with authority and power on behalf of the Borrowers to make, adjust, settle or compromise all claims under
each such insurance policy, to collect and receive all proceeds payable under each such insurance policy and to endorse any check, draft or instrument for such proceeds. Any proceeds of such insurance received by the Lender (less the amount of any
reasonable costs and settlement of such losses) shall be held and applied, at the option of the Lender, to the Obligations (whether matured or unmatured) in such manner and at such times as the Lender may determine in its sole discretion or
to the restoration or replacement of the damaged or destroyed Collateral upon terms and conditions reasonably satisfactory in all material respects to the Lender. 

 4.9. Inspection. The Borrowers and each Subsidiary shall permit the Lender, by its representatives
and agents, to inspect any of the properties, books and financial records of the Borrowers, to examine and make copies of the books of accounts and other financial records of the Borrowers, and to discuss the affairs, finances and accounts of the
Borrowers and its Subsidiaries with, and to be advised as to the same by, the Borrowers and each Subsidiary (or its representatives) at such reasonable times and intervals as the Lender may designate. In connection with the foregoing, the Lender and
its representatives and agents shall have the right, upon reasonable notice and during regular working hours, to (a) enter any business premises of the Borrowers or any other premises where the Collateral and the records relating thereto may be
located and to audit, appraise, examine and inspect the Collateral and all records related thereto and to make extracts therefrom and copies thereof, and (b) verify under reasonable procedures the validity, amount, quality, quantity, value and
condition of, and any other matter relating to, the Collateral, including contacting account debtors or any person possessing any of the Collateral. Without limiting the foregoing, the Borrowers specifically agree that upon the occurrence of an
Event of Default the Borrowers will permit the Lender to conduct, at the expense of the Borrowers (not to exceed $15,000 per Field Exam), a field exam to be performed by the Lender’s Asset Based Lending Services Group (or similar enterprise)
(each, a “Field Exam”) To the extent that the Lender receives any confidential information from or with respect to the Borrowers, as a result of Field Exams or otherwise, (a) the Lender will not reproduce or distribute any such
information, or any notes, interpretations or other documents based in whole or in part upon such information, to non-affiliated parties, other than financial or legal advisors also bound by an obligation of confidentiality, and (b) the Lender
will keep permanently confidential all such information, except to the extent that (i) such information ceases to be confidential by reason of its being in the public domain, other than as a result of a disclosure by the Lender or its
representatives, or (ii) such information was within the Lender’s possession or becomes available to the Lender on a non-confidential basis from a source other than the Borrowers, or any representative of the Borrowers, or (iii) the
Lender is legally required to disclose such information to any tribunal or governmental authority. 
 4.10. Collection of Accounts.
The Borrowers and each Subsidiary shall, subject to the provisions of Section 4.14 hereof, collect its Accounts only in the ordinary course of business, and shall not, except in the ordinary course of its business, without the Lender’s
prior written consent, which consent shall not be unreasonably withheld, conditioned or delayed, compromise or adjust the amount of any Account or extend the time for payment of any Account, excepting ordinary course trade discounts and other
similar adjustments and compromises. 
 4.11. Sale of Inventory, etc. The Borrowers and each Subsidiary shall sell its Inventory only
in the ordinary course of business, and will not, without the prior written consent of the Lender, consign or otherwise dispose of its Inventory. 
 4.12. Further Assurances. The Borrowers shall defend the security interest and lien of the Lender on the Collateral against all persons and against all security interests and liens on the Collateral adverse to those of the Lender.
The Borrowers will, from time to time, at the expense 

 of the Borrowers, execute, deliver, acknowledge and cause to be duly filed, recorded or registered any statement,
assignment, instrument, paper, agreement or other document and take any other action that from time to time may be necessary or desirable, or that the Lender may reasonably request, in order to create, preserve, continue, perfect, confirm or
validate the security interest and lien of the Lender on the Collateral or to enable the Lender to obtain the full benefits of this Agreement or to exercise and enforce any of its rights, powers and remedies hereunder or under applicable laws. The
Borrowers shall pay all costs of, and incidental to, the filing, recording or registration of any such document as well as any recordation, transfer or other tax required to be paid in connection with any such filing, recordation or registration.
The Borrowers hereby covenant to save harmless and indemnify the Lender from and against any liability resulting from the failure to pay any required documentary stamps, recordation and transfer taxes and recording costs incurred by the Lender in
connection with this Agreement or the Collateral which covenant shall survive the termination of this Agreement and the payment of all other Obligations. The Borrowers agree that a carbon, photographic, photostatic or other reproduction of this
Agreement or of a financing statement signed by the Borrowers in connection with this Agreement shall be sufficient as a financing statement. If, in the reasonable opinion of the Lender, any Equipment is or may become a part of any real estate owned
or leased by the Borrowers, the Borrowers will, upon the request of the Lender, furnish to the Lender in form and content satisfactory to the Lender, a landlord’s waiver by the record owner of such real estate and a mortgagee’s waiver by
any person who has a security interest or lien on such real estate which is or may be superior to the security interest and lien of the Lender on such Equipment. If any Collateral is or becomes the subject of any registration certificate,
certificate of deposit or negotiable document of title, including any warehouse receipt or bill of lading, the Borrowers shall immediately deliver such document to the Lender, together with any necessary endorsement. 
 4.13. Notice. The Borrowers shall promptly give written notice to the Lender of (a) the occurrence of any Default or Event of Default or any
event, development or circumstance specific to any Borrower which might materially adversely effect the business, operations, properties or financial condition of the Borrowers or any Subsidiary, (b) any litigation instituted or threatened in
writing against the Borrowers or any Subsidiary or any judgment against the Borrowers or any Subsidiary where claims against the Borrowers or such Subsidiary exceed $250,000 (in the aggregate) and are not covered in full by insurance (subject to any
deductible), (c) any notice of a claim against, or investigation of, the Borrowers, any Subsidiary, the Collateral or any other property owned, leased, operated or used by the Borrowers or any Subsidiary alleging a violation of Environmental
Laws or the discovery, use, location, installation, spill, treatment, release or storage of any Hazardous Materials by the Borrowers or any Subsidiary or on, under or from the Collateral (or any part thereof) or any other property owned, leased,
used or operated by the Borrowers or any Subsidiary which could result in a breach of the provisions of Section 4.4 hereof, (d) the occurrence of any “reportable event” within the meaning of ERISA or any assertion of liability of
the Borrowers or any Subsidiary by the PBGC, (e) notice of any suspension or debarment by any governmental authority, or any termination of any Governmental Contract for default and (f) the opening by the Borrowers of a new place of
business. 

 4.14. Collections. 
 (a) At any time while an Event of Default shall occur and be continuing, the Borrowers shall notify and direct all account debtors promptly following written request by the Lender to make all payments on or in respect
of Accounts and/or the sale or lease of Inventory (other than electronic funds transfers) directly to an account in the name of the Borrowers to be maintained at the Lender (the “Collection Account”). So long as no Event of Default
has occurred, the Borrowers may continue to permit electronic payments to be made to the Borrowers’ operating accounts (collectively, the “Operating Accounts”). 
 (b) At any time while an Event of Default shall be continuing, the Lender may (1) terminate the authority of the Borrowers to receive electronic
payments into the Operating Accounts, whereupon all account debtors shall be directed to remit all payments directly to the Collection Account, and (2) terminate the authority of the Borrowers to withdraw funds from the Collection Account
whereupon (i) the Collection Account will automatically convert into an account over which the Lender has exclusive dominion, control and power of access and withdrawal, and, for that purpose, the Lender is hereby authorized to take all
appropriate actions to block the Borrowers’ access to the Collection Account, including without limiting the generality of the foregoing, denying electronic access and returning unpaid any checks, drafts or other instruments theretofore or
thereafter issued by the Borrowers and drawn upon the Collection Account, all without any liability whatsoever on the part of the Lender to the Borrowers or to any other person for having done so, (ii) any cash, checks, drafts or other
remittances on or in respect of Accounts and/or the sale or lease of Inventory received by the Borrowers and held in trust for the Lender as above provided shall be immediately delivered to the Lender for deposit to the Collection Account in
precisely the form received, except for the addition thereto of the endorsement of the Borrowers where required for collection of any such checks, drafts or other remittances which endorsement the Borrowers agree to make and with respect to such
checks, drafts and other remittances the Borrowers waives notice of presentment, protest and non-payment and (iii) the Lender shall have the right at any time and from time to time to apply funds held by it in the Collection Account to the
payment of all or any part of the Obligations, whether matured or unmatured, in such order and manner as the Lender may determine in its sole discretion. 
 4.15. Assignment of Payments Under Certain Government Contracts and Government Accounts. At any time while an Event of Default has occurred and is continuing, and thereafter upon the creation of any Government
Contract, if so requested by the Lender, the Borrowers shall execute and deliver to the Lender specific assignments of payments due or to become due with respect to any Government Contracts. The Lender may, in its sole and absolute discretion, from
time to time exclude from this requirement contracts that (a) provide for payments to Borrowers of less than $500,000, or (b) are less than six (6) months in duration; provided, however that any such exclusion, if
granted, shall not release the Borrowers from the obligation to provide such assignments in the future, at the Lender’s discretion. The separate assignment to the Lender of a right to payment under specific Government Contracts, as contemplated
under this Section, shall not be deemed to limit the Lender’s security interest to payments under those particular Government Contracts, but rather the Lender’s security interest, as stated above, shall extend to payments under any and all
Government Contracts and proceeds thereof, now or hereafter owned or acquired by Borrowers. Borrowers acknowledge that the Lender will be 

 irreparably harmed if Borrowers fails to assign payments due or to become due under any Government Contract when required
by this Agreement, and that the Lender shall have no adequate remedy at law. Therefore, the Borrowers agree that the Lender shall be entitled, in addition to all other remedies allowed by law or under this Agreement, to injunctive or other equitable
relief to compel Borrowers’ compliance with the provisions of this Agreement requiring the Borrowers to assign payments due or to become due under any Government Contract. 
 4.16. Intellectual Property. The Borrowers will, at their expense, diligently prosecute all patent, trademark or service mark or copyright
applications pending on or after the date hereof, if any, will maintain in effect all issued patents and will renew all trademark and service mark registrations, if any, including payment of any and all maintenance and renewal fees relating thereto.
The Borrowers will at its expense protect and defend all rights in such Collateral against any claims and demands of all persons other than the Lender and will, at their expense, enforce all rights in such Collateral against any and all infringers
of the Collateral. 
 4.17. Primary Operating Accounts. The Borrowers hereby agree to maintain the primary operating account for the
business operations of the Borrowers with the Lender. The Borrowers recognize and agree that the pricing for the Revolving Credit Facility set forth herein is based on the assumption that the Borrowers will so maintain their primary operating
accounts with the Lender, and that, in the event that the Borrowers fail to do so, the Lender may, among other things, adjust the applicable interest rate or fees in order to maintain its required rate of return. 
 SECTION 5. Financial and Negative Covenants. The Borrowers covenant and agree with the Lender that so long as any of the Obligations (or
commitments therefor) shall be outstanding: 
 5.1. Total Funded Debt to EBITDA Ratio. The Borrowers shall not permit their
consolidated ratio of Total Funded Debt to EBITDA, on a rolling 4-calendar quarter basis, to be greater than 1.75 to 1.0. 
 5.2
Indebtedness. The Borrowers shall not, and shall not permit any Subsidiary to, create, incur, assume or permit to exist any indebtedness (including Capital Leases) except (a) indebtedness to the Lender, (b) other indebtedness
existing on the date hereof or expressly permitted by the provisions hereof (including the indebtedness arising in connection with “earn-out” obligations in connection with Permitted Acquisitions and any other acquisitions otherwise
permitted by this Agreement, as itemized on Schedule 5.2 hereof and supplemented in writing from time to time), (c) indebtedness incurred by the endorsement of negotiable instruments for deposit or collection in the ordinary course of
business, and (d) indebtedness incurred in the ordinary course of business which is unsecured and consists of open accounts extended by suppliers on normal trade terms in connection with the purchase of goods and services. 
 5.3. Liens. The Borrowers shall not, and shall not permit any Subsidiary to, create, incur, assume or permit to exist any lien, security interest
or encumbrance of any nature whatsoever on the Borrowers’ or any Subsidiary’s property or assets, both now owned and 

 hereafter acquired and including, without limitation, the Collateral, except for (a) any lien or security interest
now or hereafter securing all or any part of the Obligations, (b) any lien, security interest or encumbrance existing on the date hereof which was immediately prior hereto disclosed to, and approved by, the Lender in writing, (including those
created to secure the Subordinated Debt), (c) any lien, security interest or other encumbrance subsequently approved by the Lender in writing after the date hereof, (d) liens for taxes not delinquent or for taxes being diligently contested
by Borrowers or its Subsidiary in good faith and for which adequate reserves are maintained, (e) mechanic’s, artisan’s, materialmen’s, vendor’s or other similar liens arising in the ordinary course of business, and
(f) any deposit of funds made in the ordinary course of business to secure obligations of the Borrowers or a Subsidiary under workers compensation, social security or similar laws or to secure public or statutory obligations or the performance
of bids, tenders, contracts, leases, subleases, surety and appeals bonds and the like, (g) zoning or other similar and customary land use restrictions, (h) duly perfected liens securing purchase money indebtedness not prohibited by this
Agreement, including duly perfected liens obtained in favor of lessors of tangible personal property arising under operating leases to the extent such leases are recharacterized as sales and (i) licenses or sub-licenses granted in the ordinary
course of business. Any lien, security interest or encumbrance permitted by this subsection is called a “Permitted Lien.” 
 5.4. Loans and Investments. The Borrowers shall not, and shall not permit any Subsidiary to, make or permit to remain outstanding any loan or advance to, provide any guaranty for, or make or own any investment in, any person except
(a) reasonable advances for business expenses of the Borrowers’ or such Subsidiary’s employees that would be reimbursable under the Borrowers’ or such Subsidiary’s existing expense reimbursement policy, (b) investments
in existing subsidiaries at least 75% owned, directly or indirectly, by the Borrowers, and new subsidiaries purchased in accordance with the terms hereof (including Permitted Acquisitions), (c) investments in obligations of, or guaranteed by,
the United States government or any agency thereof, (d) investments in securities issued by entities having an investment-grade rating (or better) by Standard & Poor’s Corporation or Moody’s Investors Service, Inc., and
(e) transactions incident to and in connection with Permitted Acquisitions. 
 5.5. Dividends. Neither the Borrowers nor any
Subsidiary shall, without the prior written consent of the Lender, declare or pay dividends on account of any class of stock or membership interests in such Borrower or Subsidiary, or make any distribution of assets to such stockholders or members,
whether in cash, assets or obligations of such Borrower or Subsidiary, except for any reimbursement to the members of any limited liability company Borrower for pass through income tax liability of such members. 
 5.6. Mergers, Acquisitions, Etc. The Borrowers shall not, and shall not permit any Subsidiary to, enter into any merger or consolidation or
acquire or purchase all or substantially all of the assets, properties or stock of any other person, other than Permitted Acquisitions, without the Lender’s prior written consent. The Lender will consider providing its prior written consent to
transactions other than Permitted Acquisitions after its receipt and review of financial information that is, in the Lender’s discretion, adequate, and includes a consolidating forecast or projection that demonstrates pro forma
compliance with all terms and conditions after giving effect to such acquisition. In the latter event, the Lender will endeavor to respond to the 

 Borrowers’ request to consider such an acquisition as soon as possible and in any event will so respond within
twenty (20) days of receiving a complete set of such financial information and projections. 
 5.7. Sale of Assets and
Liquidation. The Borrowers shall not sell, and shall not permit any Subsidiary to, lease or otherwise dispose of, in one transaction or a series of transactions, assets or properties, including, without limitation, the Collateral, in an annual
amount in excess of $100,000 other than in the ordinary course of the Borrowers’ business, or take any action to liquidate, dissolve or wind up the Borrowers or any Subsidiary or its business. 
 5.8. Change of Business. The Borrowers shall not, and shall not permit any Subsidiary to, enter into any business other than its business as of
the date of closing, and similar, complementary, or related enterprises. 
 5.9. Change of Name, Location, Etc. The Borrowers shall
not (a) change their legal name, identity or structure, (b) change the location of their chief executive office or its chief place of business, or jurisdiction of incorporation, or (c) change the location where they keeps their
records concerning the Collateral, unless the Borrowers shall have given the Lender prior written notice thereof and shall at their cost and expense have executed, delivered, acknowledged, filed, recorded or registered all financing statements and
other documents as may be required by the Lender in order to create, perfect, continue, preserve, confirm or validate the security interest and lien of the Lender on the Collateral and their priority; provided, that the Borrowers shall not in any
event change the location of any Collateral if such change would cause the security interest and lien of the Lender on the Collateral (or the perfection thereof) to lapse, or if required to be perfected prior to such change, to cease to be
perfected. 
 5.10. Fiscal year. The Borrowers shall not change their fiscal year. 
 5.11. Affiliates. The Borrowers shall not, and shall not permit any Subsidiary to, enter into or participate in any transaction with an affiliate
except (a) on terms and at rates no more favorable than those which would have prevailed in an arm’s length transaction between unrelated third parties or (b) any transactions among any of the Borrowers and its Subsidiaries.

 5.12. ERISA. The Borrowers shall not, and shall not permit any Subsidiary to, engage in any “prohibited transaction” (as
such term is defined by ERISA), incur any “accumulated funding deficiency” (as such term is defined by ERISA) whether or not waived, or terminate any Plan in a manner which could result in the imposition of a lien on any property of the
Borrowers or any Subsidiary pursuant to the provisions of ERISA. 
 5.13. Sale and Leaseback. The Borrowers shall not, and shall not
permit any Subsidiary to, enter into any arrangement whereby Borrowers or any Subsidiary sell or transfer all or a substantial part of its fixed assets then owned by them and thereupon, or within one (1) year thereafter, rents or leases the
assets so sold or transferred from the purchaser or transferee (or their respective successors and assigns). 

 5.14. Financing Statements. The Borrowers shall not file or cause to be filed any amendments,
correction statements, or termination statements concerning the Collateral without the prior written consent of the Lender. 
 SECTION 6.
Events of Default. The occurrence of any one or more of the following events shall constitute a default under the provisions of this Agreement, and the term “Event of Default” shall mean, whenever it is used in this
Agreement, any one or more of the following events (and the term “Default” as used herein means one or more of the following events, whether or not any requirement for the giving of notice, the lapse of time, or both has been
satisfied): 
 6.1. Payment of Obligations. The failure of the Borrowers to pay any of the Obligations as and when the same becomes
due and payable in accordance with the provisions of this Agreement, the Note, and/or any of the other Financing Documents, whether at the due date thereof or at a date fixed for prepayment thereof or by acceleration thereof; 
 6.2. Certain Provisions of this Agreement. The failure of the Borrowers to perform any of its obligations under Sections 4.2, 4.5, 4.14 or
Section 5 of this Agreement; 
 6.3. Perform, etc. Provisions of This Agreement. The failure of the Borrowers to perform, observe
or comply with any of the provisions of this Agreement other than those covered by Sections 4.17, 6.1 or 6.2 of this Agreement and such failure is not cured within a period of thirty (30) days after the delivery of written notice thereof by the
Lender to the Borrowers, it being understood that the Borrowers’ failure to comply with Section 4.17 hereof may result in an adjustment of the applicable interest rate or fees hereunder in order to maintain the Lender’s expected rate
of return; 
 6.4. Representations and Warranties. If any representation and warranty contained herein or any statement or
representation made in any certificate or any other written information at any time given by or on behalf of the Borrowers or any guarantor or furnished by the Borrowers or any guarantor in connection with this Agreement or any of the other
Financing Documents shall prove to be false, incorrect or misleading in any material respect on the date as of which made; 
 6.5. Default
under Other Financing Documents. The occurrence of a default (as defined and described therein) by the Borrowers, any guarantor, or any other party or parties under the provisions of the Note or any of the other Financing Documents which is not
cured within applicable cure periods, if any; 
 6.6. Liquidation, Termination, Dissolution, etc. If any Borrower or any guarantor or
any other Subsidiary shall liquidate, dissolve or terminate its existence, other than a merger or consolidation of any Subsidiary with or into any Borrower or other Subsidiary; 
 6.7. Default under Other Indebtedness. If any Borrowers or any guarantor shall default in any payment of (a) any other indebtedness owing to
the Lender, or (b) an indebtedness in excess of $100,000 owing to any other party beyond the period of grace unless such 

 indebtedness is in good faith being disputed, if any, provided in the instrument or agreement under which such
indebtedness was created, or default in the observance or performance of any other agreement or condition relating to any such indebtedness or contained in any instrument or agreement evidencing, securing or relating thereto, or any other event
shall occur, in each case, the effect of which default or other event is to cause or to permit the holder or holders of such indebtedness or beneficiary or beneficiaries of such indebtedness (or a trustee or agent on behalf of such holder or holders
or beneficiary or beneficiaries) to cause, with the giving of notice, if required, such indebtedness to become due prior to its stated maturity; 
 6.8. Attachment. The issuance of any attachment or garnishment against property or credits of any Borrower serving as Collateral or the issuance of any attachment or garnishment against any other property or credits of any Borrowers
or any guarantor, in either case for an amount in excess, singly or in the aggregate, of $100,000 during each calendar year, which shall not have been vacated, discharged, stayed or bonded pending appeal within 30 days after the issuance thereof;

 6.9. Judgments. One or more judgments or decrees shall be entered against any Borrowers or any guarantor involving in the aggregate
a liability in excess of $250,000 for each calendar year, and all such judgments or decrees shall not have been vacated, discharged (or otherwise paid or settled), stayed or bonded pending appeal within 30 days after the entry thereof; 

6.10. Inability to Pay Debts, etc. If any Borrowers or any guarantor shall admit its inability to pay its debts as they mature or shall make
any assignment for the benefit of any of its creditors; 
 6.11. Bankruptcy. If proceedings in bankruptcy, or for reorganization of
the Borrowers or any guarantor, or for the readjustment of any of the Borrowers’ or any guarantor’s debts, under the United States Bankruptcy Code (as amended) or any part thereof, or under any other applicable laws, whether state or
federal, for the relief of debtors, now or hereafter existing, shall be commenced against or by any Borrowers or any guarantor and, except with respect to any such proceedings instituted by a Borrower or any guarantor, shall not be discharged within
sixty (60) days of their commencement; 
 6.12. Receiver, etc. A receiver or trustee shall be appointed for any Borrower or any
guarantor or for any substantial part of the Borrowers’ or any guarantor’s assets, or any proceedings shall be instituted for the dissolution or the full or partial liquidation of any Borrower or any guarantor and, except with respect to
any such appointments requested or instituted by the Borrowers or any guarantor, such receiver or trustee shall not be discharged within sixty (60) days of his or her appointment, and, except with respect to any such proceedings instituted by
any Borrower or any guarantor, such proceedings shall not be discharged within sixty (60) days of their commencement; 
 6.13. Change
in Ownership or Control. The majority ownership or voting control of any Borrower is directly or indirectly sold, assigned, transferred, encumbered or otherwise conveyed without the prior written consent of the Lender, which consent shall not be
unreasonably withheld; 

 6.14. Financial Condition. The occurrence of any change in the financial condition of the
Borrowers (on an aggregated basis) which is materially adverse and not covered by insurance, and any such change is not cured within thirty (30) days after the date of written notice thereof by the Lender to the Borrowers; 
 6.15. Financing Documents Unenforceable. Any Borrower or any guarantor shall assert in writing that any Financing Document is unenforceable, or
the Borrowers or any guarantor shall assert in writing that any security interest purported to be created by any Financing Document and required hereunder or thereunder to be perfected is not (except as otherwise expressly permitted in this
Agreement or the other Financing Documents) a valid first lien and prior perfected security interest in the securities, assets or properties purported to be covered thereby. 
 SECTION 7. Rights and Remedies. 
 7.1.
Rights and Remedies. If any Event of Default shall occur and be continuing, the Lender may (i) declare the Credit Facilities hereunder and any obligation or commitment of the Lender hereunder to make Advances to or issue Letters of
Credit for the account of the Borrowers to be terminated, whereupon the same shall forthwith terminate, and (ii) declare the unpaid principal amount of the Note, together with accrued and unpaid interest thereon, and all other Obligations then
outstanding to be immediately due and payable, whereupon the same shall become and be forthwith due and payable by the Borrowers to the Lender, without presentment, demand, protest or notice of any kind, all of which are expressly waived by the
Borrowers; provided that in the case of any Event of Default referred to in Sections 6.11 or 6.12 above, the Credit Facilities hereunder and any obligation or commitment of the Lender hereunder to make Advances to, or issue Letters of
Credit for the account of, the Borrowers shall immediately and automatically terminate and the unpaid principal amount of the Note, together with accrued and unpaid interest thereon, and all other Obligations then outstanding shall be automatically
and immediately due and payable by the Borrowers to the Lender without notice, presentment, demand, protest or other action of any kind, all of which are expressly waived by the Borrowers. Upon the occurrence and during the continuation of any Event
of Default, then in each and every case, the Lender shall be entitled to exercise in any jurisdiction in which enforcement thereof is sought, the following rights and remedies, in addition to the rights and remedies available to the Lender under the
other provisions of this Agreement and the other Financing Documents, the rights and remedies of a secured party under the Uniform Commercial Code and all other rights and remedies available to the Lender under applicable law, all such rights and
remedies being cumulative and enforceable alternatively, successively or concurrently: 
 (a) The Lender shall have the right to take
possession of the Collateral, and for that purpose, so far as the Borrowers may give authority therefor or to the extent permitted under applicable laws, to enter upon any premises on which the Collateral or any part thereof may be situated and
remove therefrom all or any of the Collateral without any liability for suit, action or other proceeding. THE BORROWERS HEREBY WAIVE ANY AND ALL RIGHTS TO PRIOR NOTICE AND TO JUDICIAL HEARING WITH RESPECT TO REPOSSESSION OF COLLATERAL, and require
the Borrowers, at the Borrowers’ expense, to assemble and deliver all or any of the Collateral to such place or places as the Lender may designate. 

 (b) The Lender shall have the right to operate, manage and control all or any of the Collateral
(including use of the Collateral and any other property or assets of the Borrowers in order to continue or complete performance of the Borrowers’ obligations under any contracts of Borrowers), or permit the Collateral or any portion thereof to
remain idle or store the same, and collect all rents and revenues therefrom and sell, lease or otherwise dispose of any or all of the Collateral upon such terms and under such conditions as the Lender, in its sole discretion, may determine, and
purchase or acquire any of the Collateral at any such sale or other disposition, all to the extent permitted by applicable law. Any purchaser or lessee of any of the Collateral so sold or leased shall hold the property so sold or leased free from
any claim or right of the Borrowers and the Borrowers hereby waives (to the extent permitted by law) all rights of redemption, stay or appraisal with respect thereto. The Lender and the Borrowers agree that commercial reasonableness and good faith
require the Lender to give to the Borrowers no more than ten (10) days prior written notice of any public sale or other disposition of the Collateral or of the time after which any private sale or other disposition of the Collateral is to be
made. 
 (c) The Lender shall have the right, and the Borrowers hereby irrevocably designate and appoint the Lender and its designees as the
attorney-in-fact of the Borrowers, with power of substitution and with power and authority in the Borrowers’ name, the Lender’s name or otherwise and for the use and benefit of the Lender (i) to notify persons obligated to make
payments or other remittances on or with respect to the Collateral to make such payments and other remittances directly to the Lender, (ii) to demand, collect, sue for, take control of, compromise, settle, change the terms of, release,
exchange, substitute, extend, renew or otherwise deal with, the Collateral or any person obligated on or under the Collateral in any manner as the Lender may deem advisable, (iii) to remove from any place of business of the Borrowers copies of
(or, if deemed by the Lender to be reasonably necessary, originals of) all records in respect of the Collateral and, at the cost and expense of the Borrowers, to make use of any place of business of the Borrowers as may be necessary or desirable to
administer, control, collect, sell or otherwise dispose of the Collateral, (iv) to receive and endorse the Borrowers’ name on any checks, drafts, money orders or other instruments of payment relating to any of the Collateral, (v) to
sign any proofs of claim or loss, (vi) to commence, prosecute or defend any action, suit or proceeding relating to the Collateral or the collection, enforcement or realization upon the Collateral, (vii) to adjust and compromise any claims
under insurance policies, and (viii) to use, sell, assign, transfer, pledge, make any agreement with respect to or otherwise deal with any or all of the Collateral and to do all other acts and things necessary to carry out this Agreement as
though the Lender were absolute owner of the Collateral. This power of attorney, being coupled with an interest, is irrevocable and all acts by the Lender and its designees pursuant thereto are hereby ratified and confirmed by the Borrowers. Neither
the Lender nor any of its designees shall be liable for any acts of commission or omission, nor for any error of judgment or mistake of fact or law other than acts of actual fraud, willful misconduct or gross negligence. The provisions of this
subsection shall not (x) be construed as requiring or obligating the Lender or any designee to take any action authorized hereunder and any action taken or any action not taken hereunder shall not give rise to any liability on the part of the
Lender or its designees or to any defense, claim, counterclaim or offset in favor of the 

 Borrowers, (y) be construed to mean the Lender has assumed any of the obligations of the Borrowers under any
instrument or agreement as the Lender shall not be responsible in any way for the performance of the Borrowers of any of the provisions thereof, and (z) relieve the Borrowers of any of its obligations hereunder or in any way limit the exercise
by the Lender of any other or further rights it may have hereunder, under the other Financing Documents, by law or otherwise. 
 7.2.
Default Rate. Notwithstanding the entry of any decree, order, judgment or other judicial action, upon the occurrence of an Event of Default hereunder, the unpaid principal amount of the Note and all other monetary Obligations outstanding or
becoming outstanding while such Event of Default exists shall bear interest from the date of such Event of Default until such Event of Default has been cured, at a floating and fluctuating per annum rate of interest equal at all times to the Default
Rate, irrespective of whether or not as a result thereof, the Note or any of the Obligations has been declared due and payable or the maturity thereof accelerated. The Borrowers shall on demand from time to time pay such interest to the Lender and
the same shall be a part of the Obligations hereunder. 
 7.3. Liens, Set-Off. As security for the payment of the Obligations and the
performance of the Financing Documents, the Borrowers hereby grant to the Lender a continuing security interest and lien on, in and upon all indebtedness owing to, and all deposits (general or special), credits, balances, monies, securities and
other property of, the Borrowers and all proceeds thereof, both now and hereafter held or received by, in transit to, or due by, the Lender. In addition to, and without limitation of, any rights of the Lender under applicable laws, if any Event of
Default occurs and is continuing, the Lender may at any time and from time to time thereafter during the continuance of such Event of Default, without notice to the Borrowers, set-off, hold, segregate, appropriate and apply at any time and from time
to time thereafter all such indebtedness, deposits, credits, balances (whether provisional or final and whether or not collected or available), monies, securities and other property toward the payment of all or any part of the Obligations in such
order and manner as the Lender in its sole discretion may determine and whether or not the Obligations or any part thereof shall then be due or demand for payment thereof made by the Lender. 
 7.4. Enforcement Costs. The Borrowers agree to pay to the Lender on demand (a) all Enforcement Costs paid, incurred or advanced by or on
behalf of the Lender including, without limitation, reasonable attorneys’ fees, costs and expenses, and (b) interest on such Enforcement Costs from the date payment for the same is demanded until paid in full at a per annum rate of
interest equal at all times to the Default Rate. All Enforcement Costs, with interest as above provided, shall be a part of the Obligations hereunder. 
 7.5 Collateral Account. If any Event of Default shall occur and be continuing, and the Lender shall elect to terminate the Revolving Credit Facility, the Borrowers at any time and from time to time during the
continuance of such Event of Default shall upon demand of the Lender deliver to the Lender cash or U.S. Treasury Bills with maturities of not more than thirty (30) days in an amount equal to the amount of issued or pending Letters of Credit as
of such time. The Lender may also deposit to the Collateral Account (defined below) any cash, monies or funds received by the Lender from the collection of the Obligations or the sale or other 

 disposition of the Collateral which the Lender, in its discretion, designates as being held against issued or pending
Letters of Credit as of such time. Such cash, monies, funds or U.S. Treasury Bills shall be held by the Lender in an account (the “Collateral Account”) and invested or reinvested (as the case may be) in U.S. Treasury Bills with
maturities of no more than thirty (30) days from the date of investment. The Lender shall have the sole power of access and withdrawal from the Collateral Account. As collateral and security for the payment of the Obligations, the Borrowers
hereby assigns and pledges to the Lender, and grants to the Lender a security interest in and to, all cash, monies, funds, U.S. Treasury Bills and other securities and instruments at any time and from time to time held by the Lender in the
Collateral Account and any interest, income, earnings and proceeds thereof, all of which shall be a part of the Collateral hereunder. If any Event of Default shall occur and be continuing, the Lender is irrevocably authorized to make such
withdrawals from the Collateral Account at any time and from time to time and apply the same to any of the Obligations (including, without limitation, Letter of Credit Obligations) in such order and manner as the Lender in its sole discretion may
determine. After all Obligations have been indefeasibly paid in full and there are no Letters of Credit outstanding or any commitment on the part of the Lender to open and issue Letters of Credit, any cash, monies, funds, U.S. Treasury Bills or
other securities and instruments held by the Lender in the Collateral Account will be turned over to the Borrowers or to such other person who may be entitled to the same under applicable laws. 
 7.6. Application of Proceeds. During the continuance of any Event of Default, any proceeds of the collection of the Obligations and/or the sale or
other disposition of the Collateral will be applied by the Lender to the payment of Enforcement Costs, and any balance of such proceeds (if any) will be applied by the Lender to the payment of the remaining Obligations (whether then due or not), at
such time or times and in such order and manner of application as the Lender may from time to time in its sole discretion determine. If the sale or other disposition of the Collateral fails to satisfy all of such Obligations, the Borrowers shall
remain liable to the Lender for any deficiency. 
 7.7. Remedies, etc. Cumulative. Each right, power and remedy of the Lender as
provided for in this Agreement or in the other Financing Documents or now or hereafter existing under applicable laws or otherwise shall be cumulative and concurrent and shall be in addition to every other right, power or remedy provided for in this
Agreement or in the other Financing Documents or now or hereafter existing under applicable laws or otherwise, and the exercise or beginning of the exercise by the Lender of any one or more of such rights, powers or remedies shall not preclude the
simultaneous or later exercise by the Lender of any or all such other rights, powers or remedies. 
 7.8. No Waiver, Etc. No failure
or delay by the Lender to insist upon the strict performance of any term, condition, covenant or agreement of this Agreement or of the other Financing Documents, or to exercise any right, power or remedy consequent upon a breach thereof, shall
constitute a waiver of any such term, condition, covenant or agreement or of any such breach, or preclude the Lender from exercising any such right, power or remedy at any later time or times. By accepting payment after the due date of any amount
payable under this Agreement or under any of the other Financing Documents, the Lender shall not be deemed to waive the right either to require prompt payment when due of all other amounts payable under 

 this Agreement or under any of the other Financing Documents, or to declare an Event of Default for failure to effect
such prompt payment of any such other amount. The payment by the Borrowers or any other person and the acceptance by the Lender of any amount due and payable under the provisions of this Agreement or the other Financing Documents at any time during
which an Event of Default exists shall not in any way or manner be construed as a waiver of such Event of Default by the Lender or preclude the Lender from exercising any right of power or remedy consequent upon such Event of Default. 
 7.9 Arbitration. 
 (a) This paragraph
concerns the resolution of any controversies or claims between the parties, whether arising in contract, tort or by statute, including but not limited to controversies or claims that arise out of or relate to: (i) this Agreement (including any
renewals, extensions or modifications); or (ii) any document related to this Agreement (collectively a “Claim”). For the purposes of this arbitration provision only, the term “parties” shall include any parent
corporation, subsidiary or affiliate of the Lender involved in the servicing, management or administration of any obligation described or evidenced by this Agreement. 
 (b) At the request of any party to this Agreement, any Claim shall be resolved by binding arbitration in accordance with the Federal Arbitration Act (Title 9, U.S. Code) (the “Act”). The Act will
apply even though this Agreement provides that it is governed by the law of a specified state. The arbitration will take place on an individual basis without resort to any form of class action. 
 (c) Arbitration proceedings will be determined in accordance with the Act, the then-current rules and procedures for the arbitration of financial
services disputes of the American Arbitration Association or any successor thereof (“AAA”), and the terms of this paragraph. In the event of any inconsistency, the terms of this paragraph shall control. If AAA is unwilling or unable to
(i) serve as the provider of arbitration or (ii) enforce any provision of this arbitration clause, any party to this agreement may substitute another arbitration organization with similar procedures to serve as the provider of arbitration.

 (d) The arbitration shall be administered by AAA and conducted in Washington, D.C. All Claims shall be determined by one arbitrator;
however, if Claims exceed Five Million Dollars ($5,000,000), upon the request of any party, the Claims shall be decided by three arbitrators. All arbitration hearings shall commence within ninety (90) days of the demand for arbitration and
close within ninety (90) days of commencement and the award of the arbitrator(s) shall be issued within thirty (30) days of the close of the hearing. However, the arbitrator(s), upon a showing of good cause, may extend the commencement of
the hearing for up to an additional sixty (60) days. The arbitrator(s) shall provide a concise written statement of reasons for the award. The arbitration award may be submitted to any court having jurisdiction to be confirmed, judgment entered
and enforced. 
 (e) The arbitrator(s) will give effect to statutes of limitation in determining any Claim and may dismiss the arbitration on
the basis that the Claim is barred. For purposes of the application of the statute of limitations, the service on AAA under applicable AAA rules of a notice of Claim is the equivalent of the filing of a lawsuit. Any dispute concerning this

 arbitration provision or whether a Claim is arbitrable shall be determined by the arbitrator(s). The arbitrator(s) shall
have the power to award reasonable legal fees pursuant to the terms of this Agreement. 
 (f) This paragraph does not limit the right of any
party to: (i) exercise self-help remedies, such as but not limited to, setoff; (ii) initiate judicial or non-judicial foreclosure against any real or personal property collateral; (iii) exercise any judicial or power of sale rights,
or (iv) act in a court of law to obtain an interim remedy, such as but not limited to, injunctive relief, writ of possession or appointment of a receiver, or additional or supplementary remedies. 
 (g) The filing of a court action is not intended to constitute a waiver of the right of any party, including the suing party, thereafter to require
submittal of the Claim to arbitration. 
 (h) By agreeing to binding arbitration, the parties irrevocably and voluntarily waive any right
they may have to a trial by jury in respect of any Claim. Furthermore, without intending in any way to limit this agreement to arbitrate, to the extent any Claim is not arbitrated, the parties irrevocably and voluntarily waive any right they may
have to a trial by jury in respect of such Claim. This provision is a material inducement for the parties entering into this Agreement. 
 SECTION 8. Miscellaneous. 
 8.1. Course of Dealing; Amendment. No course of dealing between the Lender and the
Borrowers shall be effective to amend, modify or change any provision of this Agreement or the other Financing Documents. The Lender shall have the right at all times to enforce the provisions of this Agreement and the other Financing Documents in
strict accordance with the provisions hereof and thereof, notwithstanding any conduct or custom on the part of the Lender in refraining from so doing at any time or times. The failure of the Lender at any time or times to enforce its rights under
such provisions, strictly in accordance with the same, shall not be construed as having created a custom in any way or manner contrary to specific provisions of this Agreement or the other Financing Documents or as having in any way or manner
modified or waived the same. This Agreement and the other Financing Documents to which the Borrowers are a party may not be amended, modified, or changed in any respect except by an agreement in writing signed by the Lender and the Borrowers.

 8.2. Waiver of Default. The Lender may, at any time and from time to time, execute and deliver to the Borrowers a written
instrument waiving, on such terms and conditions as the Lender may specify in such written instrument, any of the requirements of this Agreement or of the other Financing Documents or any Event of Default or Default and its consequences, provided,
that any such waiver shall be for such period and subject to such conditions as shall be specified in any such instrument. In the case of any such waiver, the Borrowers and the Lender shall be restored to their former positions prior to such Event
of Default or Default and shall have the same rights as they had hereunder. No such waiver shall extend to any subsequent or other Event of Default or Default, or impair any right consequent thereto and shall be effective only in the specific
instance and for the specific purpose for which given. 

 8.3. Notices. All notices, requests and demands to or upon the parties to this Agreement shall be
deemed to have been given or made when delivered by hand, or when received after being deposited in the mail, postage prepaid by registered or certified mail, return receipt requested, one day after being sent by reputable overnight delivery
service, or, in the case of notice by telegraph, telex or facsimile transmission, when properly transmitted, addressed as follows or to such other address as may be hereafter designated in writing by one party to the other: 
  

			
	 If to any Borrower:

		
		  	 TVI CORPORATION

		  	 7100 Holladay-Tyler Road

		  	 Glenn Dale, Maryland 20769

		  	 Attn: President and Chief Executive Officer

		
		  	 And

		
		  	 TVI CORPORATION

		  	 7100 Holladay-Tyler Road

		  	 Glenn Dale, Maryland 20769

		  	 Attn: General Counsel

	
	 With a copy to:

		
		  	 Frank S. Jones, Esquire

		  	 Whiteford, Taylor & Preston L.L.P.

		  	 Suite 1400, Seven St. Paul Street

		  	 Baltimore, Maryland 21202

		  	 Fax (410) 347-9478

	
	 If to Lender:

		
		  	 Bank of America, N.A.

		  	 1101 Wooton Parkway

		  	 4th
Floor

		  	 Rockville, Maryland 20852

		  	 Attention: Michael Brannan, Senior Vice President

			
	With a copy to:
		
		  	Ober, Kaler Grimes & Shriver,
		  	A Professional Corporation
		  	1401 H Street, N.W.
		  	Washington, D.C. 20005
		  	Attention: Nikolaus F. Schandlbauer, Esquire
		  	Telecopy No.: 202-408-0640

 except in cases where it is expressly herein provided that such notice, request or demand is not effective until
received by the party to whom it is addressed. 
 8.4. Right to Perform. For so long as an Event of Default has occurred and is
continuing, then and in each such case, the Lender may (but shall be under no obligation whatsoever to) upon concurrent notice to or demand upon the Borrowers remedy any such failure by advancing funds or taking such action as it deems appropriate
for the account and at the expense of the Borrowers. The advance of any such funds or the taking of any such action by the Lender shall not be deemed or construed to cure an Event of Default or waive performance by the Borrowers of any provisions of
this Agreement. The Borrowers shall pay to the Lender on demand, together with interest thereon from the date of such demand until paid in full at a per annum rate of interest equal at all times to the Default Rate, any such funds so advanced by the
Lender and any costs and expenses advanced or incurred by or on behalf of the Lender in taking any such action, all of which shall be a part of the Obligations hereunder. 
 8.5. Costs and Expenses. The Borrowers agree to indemnify the Lender against, and promptly pay to the Lender on demand, all such fees, recordation and other taxes, costs and expenses of whatever kind and
nature, including reasonable attorney’s fees and disbursements, which the Lender may incur or which are payable in connection with the closing and the administration of the Credit Facilities, including, without limitation, the preparation of
this Agreement and the other Financing Documents, the recording or filing of any and all of the Financing Documents and obtaining lien searches. All such fees, costs, recordation and other taxes shall be a part of the Obligations hereunder.

 8.6. Consent to Jurisdiction. The Borrowers irrevocably (a) consent and submit to the jurisdiction and venue of any state or
federal court sitting in the State of Maryland over any suit, action or proceeding arising out of or relating to this Agreement or any of the other Financing Documents, (b) waives, to the fullest extent permitted by law, any objection that the
Borrowers 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 any such suit, action or proceeding brought in any such court has been brought in an inconvenient
forum, and (c) consents to the service of process in any such suit, action or proceeding in any such court by the mailing of copies of such process to the Borrowers by certified or registered mail at the Borrowers’ address set forth herein
for the purpose of giving notice. 
 8.7. WAIVER OF JURY TRIAL. THE BORROWERS AND THE LENDER HEREBY VOLUNTARILY AND INTENTIONALLY
WAIVE ANY RIGHT THEY MAY 

 HAVE TO A TRIAL BY JURY IN ANY ACTION, PROCEEDING OR LITIGATION DIRECTLY OR INDIRECTLY ARISING OUT OF, UNDER OR IN
CONNECTION WITH THE CREDIT FACILITIES, THIS AGREEMENT OR ANY OF THE OTHER FINANCING DOCUMENTS. 
 8.8. Certain Definitional
Provisions. All terms defined in this Agreement shall have such defined meanings when used in any of the other Financing Documents. Accounting terms used in this Agreement shall have the respective meanings given to them under generally accepted
accounting principles in effect from time to time in the United States of America. The words “hereof”, “herein” and “hereunder” and words of similar import when used in this Agreement shall refer to this Agreement as a
whole and not to any particular provision of this Agreement. As used herein, the singular number shall include the plural, the plural, the singular and the use of the masculine, feminine or neuter gender shall include all genders, as the context may
require. Unless otherwise defined herein, all terms used herein which are defined by the Uniform Commercial Code shall have the same meanings as assigned to them by the Uniform Commercial Code unless and to the extent varied by this Agreement.

 8.9. Severability. The invalidity, illegality or unenforceability of any provision of this Agreement shall not affect the validity,
legality or enforceability of any of the other provisions of this Agreement which shall remain effective. 
 8.10. Survival. All
representations, warranties and covenants contained among the provisions of this Agreement shall survive the execution and delivery of this Agreement and all other Financing Documents. 
 8.11. Binding Effect. This Agreement and all other Financing Documents shall be binding upon and inure to the benefit of the Borrowers and the
Lender and their respective personal representatives, successors and assigns, except that the Borrowers shall not have the right to assign its rights hereunder or any interest herein without the prior written consent of the Lender. 
 8.12. Applicable Law and Time of Essence. This Agreement and the rights and obligations of the parties hereunder shall be construed and
interpreted in accordance with the laws of the State of Maryland, both in interpretation and performance. Time is of the essence in connection with all obligations of the Borrowers hereunder and under any of the other Financing Documents.

 8.13. Duplicate Originals and Counterparts. This Agreement may be executed in any number of duplicate originals or counterparts,
each of such duplicate originals or counterparts shall be deemed to be an original and all taken together shall constitute but one and the same instrument. 
 8.14. Headings. Section and subsection headings in this Agreement are included herein for convenience of reference only, shall not constitute a part of this Agreement for any other purpose and shall not be
deemed to affect the meaning or construction of any of the provisions hereof. 

 8.15 Public Use of Borrowers’ Name. With the Borrowers’ permission, the Lender
may in its discretion use the Borrowers’ corporate name in press releases, public announcements and other promotional items or literature of the Lender. To that end, the Borrowers hereby consent to the creation of one or
more items commemorating this transaction and use information related to the transaction in internal communications. In addition, the Borrowers hereby consent to the Lender’s use of the Borrowers name and information
related to this transaction in connection with marketing, press releases or other transactional announcements or updates provided to investor or trade publications, but only after Borrowers file an SEC Form 8-K with respect to the Revolving Credit
Facility (in form and substance determined to be appropriate by the Borrowers). 
 8.16 Termination of Security Interest. Upon
payment in full of the outstanding Obligations and the termination of the Revolving Loan Commitment, the security interest granted hereby shall terminate and all rights to the Collateral shall revert to the Borrowers. Upon any such termination, the
Lender will execute and deliver to the Borrowers such documents as the Borrowers shall reasonably request to evidence such termination. 
 8.17 Joint and Several Liability, Etc. The Borrowers shall be jointly and severally liable for the payment and performance of the Obligations. The Lender may, without notice to or consent of any of the Borrowers and with or without
consideration, release, discharge, compromise or settle with, waive, grant indulgences to, proceed against or otherwise deal with, any of the Borrowers without in any way affecting, limiting, modifying, discharging or releasing any of the
obligations and liabilities under this Agreement or any other Financing Documents of the other Borrowers. Each of the Borrowers consents and agrees that (a) the Lender shall be under no obligation to marshall any assets in favor of such
Borrower or against or in payment of any or all of the obligations and liabilities of such Borrower under this Agreement or any of the other Financing Documents, (b) any rights such Borrower may have against the other Borrowers for
contribution, exoneration from payment or otherwise, in respect of any amounts paid by such Borrower pursuant to any of the Financing Documents or which continue to be owing pursuant to any of the Financing Documents, shall be postponed until the
Obligations have been indefeasibly paid in full and no commitments therefor are outstanding and (c) the Lender may enforce and collect the obligations and liabilities of such Borrower hereunder or under the other Financing Documents
irrespective of any attempt, pursuit, enforcement or exhaustion of any rights and remedies the Lender may at any time have to collect the obligations and liabilities hereunder or under the other Financing Documents of the other Borrowers.

 [remainder of page left intentionally blank] 

 IN WITNESS WHEREOF, each of the parties hereto have executed and delivered this Agreement under their
respective seals as of the day and year first written above. 
  

							
	WITNESS:	 	TVI CORPORATION	 	
				
	 /s/ Sean Hunt
	 	By:	 	 /s/ Richard V. Priddy
	 	(SEAL)
		 		 	Printed Name: Richard V. Priddy	 	
		 		 	Title: President and CEO	 	
			
	WITNESS:	 	CAPA MANUFACTURING CORP.	 	
				
	 /s/ Sean Hunt
	 	By:	 	 /s/ Richard V. Priddy
	 	(SEAL)
		 		 	Printed Name: Richard V. Priddy	 	
		 		 	Title: President	 	
			
	WITNESS:	 	TVI AIR SHELTERS, LLC	 	
				
	 /s/ Sean Hunt
	 	By:	 	 /s/ Richard V. Priddy
	 	(SEAL)
		 		 	Printed Name: Richard V. Priddy	 	
		 		 	Title: General Manager	 	
			
	WITNESS:	 	SAFETY TECH INTERNATIONAL, INC.	 	
				
	 /s/ Sean Hunt
	 	By:	 	 /s/ Richard V. Priddy
	 	(SEAL)
		 		 	Printed Name: Richard V. Priddy	 	
		 		 	Title: President	 	
			
	WITNESS:	 	BANK OF AMERICA, N.A.	 	
				
	 /s/ Cynthia Newsome
	 	By:	 	 /s/ Michael Brannan
	 	(SEAL)
		 		 	Michael Brannan	 	
		 		 	Senior Vice President	 	

 Attachment I 
  

									
	 Tier
	  	 Total Funded Debt to
 EBITDA
	  	 Unused
 Commitment
 Fee Percentage
	  	 Applicable
 Margin
	  	 Letter of
 Credit Fee

	I	  	Less than or equal to 1.0 to 1.0	  	25 bps	  	125 bps	  	125 bps
					
	II	  	Less than or equal to 1.5 to 1.0 but greater than 1.0 to 1.0	  	25 bps	  	150 bps	  	150 bps
					
	III	  	Less than or equal to 1.75 to 1:0 but greater than 1.5 to 1.0	  	30 bps	  	175 bps	  	175 bps

 bps = basis points 
 Note: to the extent that the results of the calculations required to calculate the Applicable Margin result in a measurement in excess of that specified by Tier III, default pricing ( calculated by adding 400 basis
points to such Applicable Margin, resulting in a default Applicable Margin of 575 basis points) shall apply.Exhibit 10.7

 Exhibit 10.7 
 LANDLORD: 
 GLENN DALE BUSINESS CENTER, L.L.C. 
 TENANT: 
 TVI CORPORATION, a Maryland Corporation 
  

 LEASE 
  

	Dated:	February 16, 1998 

 GLENN DALE BUSINESS CENTER

 Trade Name: TVI Corporation 

 LEASE BY AND BETWEEN 
 GLENN DALE BUSINESS CENTER, L.L.C., LANDLORD 
 and TVI CORPORATION, TENANT 
 TABLE OF CONTENTS 
  

					
	1.	  	Payment of Rental	  	1
	2.	  	Use	  	1
	3.	  	Utilities	  	2
	4	  	Assignment and Subletting	  	2
	5.	  	Loading Capacity	  	3
	6.	  	Increase in Landlord’s Insurance Rates	  	3
	7.	  	Insurance Indemnification	  	3
	8.	  	Alterations	  	4
	9.	  	Ownership of Alterations	  	4
	10	  	Repairs and Maintenance	  	4
	11.	  	Tax Escalation	  	5
	12.	  	Default	  	6
	13.	  	Total or Partial Destruction	  	7
	14.	  	Possession	  	7
	15.	  	Exterior of Premises — Signs	  	7
	16.	  	Relocation	  	8
	17	  	For Rent/Sale Signs	  	8
	18.	  	Right of Entry	  	8
	19.	  	Termination of Term	  	8
	20.	  	Condemnation	  	8
	21.	  	Subordination/Estoppel/Non-Disturbance	  	8
	22.	  	Attornment	  	9
	23.	  	Parking and Common Area	  	9
	24.	  	Compliance with Laws	  	10
	25.	  	Notices	  	11
	26.	  	Non-Waiver	  	11
	27.	  	Successors and Assigns	  	11
	28.	  	Security Deposit/Construction	  	12
	29.	  	Accord and Satisfaction	  	12
	30.	  	Notices to Mortgagee	  	12
	31.	  	Estoppel Certificate	  	13
	32.	  	Mechanic’s Liens	  	13
	33.	  	Waiver of Jury Trial and Right to Counterclaim	  	13
	34.	  	Brokerage	  	13
	35.	  	Tenant Representative	  	13
	36.	  	No Offer	  	13
	37.	  	Tenant’s Right To Audit	  	13
	38.	  	Miscellaneous	  	14

 EXHIBITS 
 Exhibit A – Plat of Premises 
 Exhibit B - Construction Specifications 
 Exhibit C - Common Facilities 

 THIS LEASE Made this 16th day of February, 1998, by and between GLENN DALE BUSINESS CENTER, L.L.C. by Continental Realty Corp., Agent, having an address at 17 West Pennsylvania Avenue,
Towson, Maryland 21204, (hereinafter called “Landlord”) and TVI CORPORATION, a Maryland corporation. having an address at 7100 Holiday Tyler Road, Glenn Dale Business Center, Glen Dale, Maryland 20769, (herein after called
“Tenant”). 
 WITNESSETH, that in consideration of the rental hereinafter agreed upon and the performance of all the conditions and
covenants hereinafter set forth on the part of the Tenant to be performed, the Landlord does hereby lease unto the said Tenant, and the latter does lease from the former, the following Premises (hereinafter sometimes called the
“Premises”): 
 BEING all those Premises crosshatched and outlined on the Plat attached hereto as Exhibit A, which Premises shall be
deemed to contain approximately 17,000 square feet, lower level office pod, said Premises being located within a building known as Glenn Dale Business Center, 7100 Holiday Tyler Road, Glen Dale, Maryland 20769, which building contains approximately
310,000 square feet (“Floor Space”), 
 for the term of five (5) years; beginning on April 1, 1998 (“Commencement Date”), and
ending on the last day of March, 2003 at and for the annual rent of Four Dollars and No Cents ($4.00) per square foot or Sixty Eight Thousand ($68,000.00) Dollars per annum, payable in advance, in equal monthly installments, as follows: Five
Thousand Six Hundred Sixty Six Dollars and Sixty Seven Cents ($5,566.67), per month on the first day of each and every month during the term of this Lease, without setoff, recoupment, or deduction, for the first year of the Lease; thereafter,
effective each April 1 of the term, rent shall increase per annum by three percent (3%) over the rent payable for the preceding lease year. If the term of this Lease shall commence on a date other than the first day of a month, the rental
for the period from the date of commencement of the term to the first day of the next full calendar month of the term shall be prorated and shall be payable on the first day of the term; if the term of this Lease shall end on a date other than the
last day of month, the rent for the period from the first day of the last month of the term to the date the term ends shall be prorated and shall be payable on the first day of the last month of the term. 
 Tenant hereby represents and warrants to Landlord that Tenant has made its own investigation and examination of all the relevant data relating to or
affecting the Premises and is relying solely on its own judgment in entering into this Lease; specifically, and without limitation, Tenant represents and warrants to Landlord that Tenant has had an opportunity to measure the actual dimensions of the
Premises and agrees to the square footage figures set forth hereinabove for all purposes of this lease (except in the event of a condemnation or casualty that decrease the size of the Premises as more fully provided elsewhere in this Lease).

 All rentals shall by paid to Landlord at: P.O. Box 10147, Baltimore, Maryland 21285, or at such other place or to such appointee of the
Landlord as Landlord may from time to time designate in writing. 
 THIS LEASE IS MADE SUBJECT TO THE FOLLOWING ADDITIONAL TERMS, COVENANTS
AND CONDITIONS: 
 1. PAYMENT OF RENTAL. Tenant covenants and agrees to pay the rental herein reserved and each installment
thereof promptly when and as due, without setoff, recoupment or deduction whatsoever, except as specifically set forth herein. 
 2.
USE. Tenant covenants to use the Premises for the purpose of manufacturing, warehouse, and incidental office use related to its operation as a manufacturing facility, making specialty tents, enclosures, and related products (the
“Permitted Use”) and for no other purpose or purposes. Tenant shall operate the Premises in the name of TVI Corporation and under no other name or trade name unless approved in writing by Landlord, which approval shall not be unreasonably
withheld. 
 Tenant agrees to comply with all applicable zoning and other laws, regulations, and requirements of governmental authorities and
provide and install at its own expense any additional equipment or alterations required to comply with all such laws, regulations and requirements as may be promulgated from time to time. In addition, if Tenant adds a new function to its operations
or changes the use set forth in this Paragraph 2, even with if with Landlord’s consent, Tenant agrees further to comply with any and all requirements of Landlord’s insurance carrier(s) and applicable law(s). 

 3. UTILITIES. Landlord anticipates that it will, within six (6) months of the commencement of
this Lease, meter or sub-meter Tenant’s utilities so that Tenant will pay based on sub-meter readings to Landlord or, based on meter readings directly to the utility company. Until the utilities are successfully split out, however, Tenant
agrees to pay, as additional rent, its fair share of the water/rent/sewer charges billed to Landlord, which “fair share” shall be reasonably determined by Landlord. 
 (a) Water/Sewer. Once Tenant is sub-metered, Tenant shall permit Landlord access to the Premises, at least one (1) time each month, for the purpose
of reading the sub-meter. Within thirty (30) days after receipt of written notice from Landlord, Tenant shall pay to Landlord all costs associated with Tenant’s usage of utilities within the Premises, as determined by Landlord in its
reasonable discretion. 
 (b) Gas and Electricity. Until Landlord is able to separately meter the gas and electric service in the building so
that each tenant has its own meter or sub-meter to measure its gas and electrical usage, Tenant agrees to pay as additional rent its “fair” share of the gas and electricity charges billed total building which fair share shall be reasonably
determined by Landlord. When Tenant’s gas and electrical service is separately metered or sub-metered, Tenant agrees to pay as additional rent all gas and electrical service charges for the Premises based on its meter or sub-meter readings,
directly to the utility company in the event of a separate meter being provided, or to the Landlord promptly after Landlord bills the Tenant, in the event of a sub-meter. 
 (c) Miscellaneous. In addition to the preceding, Tenant shall pay all costs of telephone and any other utilities used and consumed on the Premises, or by the Tenant for Tenant’s operations, together with all
taxes, levies or other charges on such utilities, either directly to the utility supplying said services or to the Landlord, if the Landlord supplies said services to Tenant. 
 Wherever Landlord is required to bill Tenant for any utilities’ charges, Tenant agrees that it shall pay Landlord within thirty (30) days of
its receipt of Landlord’s billing, and said charges shall be deemed to be additional rent due. 
 Landlord shall have the right at
anytime and from time to time during the Lease term to either contract for service from a different company or companies providing electric service or gas service or other utilities or to continue to contract for service from the service provider
currently providing service (variously, “Utility Service Provider”). In conjunction therewith, Tenant shall cooperate with Landlord and Utility Service Provider at all times and, as reasonably necessary, shall allow Landlord and/or Utility
Service Provider reasonable access to the building’s electric lines, feeders, risers, wiring, plumbing lines, and any other machinery or equipment located within the Premises. Landlord shall in no way be liable or responsible for any loss,
damage, or expense Tenant may incur or sustain by reason of change, failure, interference, disruption, or defect in the supply or character of the electric energy or gas service or other utility service furnished to the Premises, or if the quantity
or character of the electric energy or gas service or other utility service supplied by Utility Service Provider is no longer available or suitable for Tenant’s requirements, and no such change, failure, defect, unavailability or unsuitability
shall constitute an actual or constructive eviction, in whole or in part, or entitle Tenant to any abatement or diminution of rent, or relieve Tenant from any of its obligation under the Lease. Landlord shall use its best efforts to minimize
disruption to Tenant’s use of the Premises. 
 4. ASSIGNMENT AND SUBLETTING 
 (a) Tenant covenants and agrees not to assign this Lease, in whole or in part, nor sublet the Premises, or any part or portion thereof, nor grant any
license or concession for all or any part thereof, without the prior written consent of the Landlord in each instance first had and obtained, which consent shall not be unreasonably withheld. If such assignment or subletting is permitted, Tenant
shall not be relieved from any liability whatsoever under this Lease. In the event that the amount of the rent or other consideration to be paid to the Tenant by any assignee or sublessee is greater than the rent required to be paid by the Tenant to
the Landlord pursuant to this Lease, Tenant shall pay to Landlord any such excess as is received by Tenant from such assignee or sublessee. An assignment for the benefit of Tenant’s creditors otherwise by operation of law shall not be effective
to transfer to assign Tenant’s interest under this Lease unless Landlord shall have first consented thereto in writing. 
 (b) In the
event this Lease contains a renewal option exercisable by Tenant, Landlord’s consent to an assignment or sublease of the Premises or any portion thereof during the original Lease term shall be deemed to be conditioned upon the agreement of
Tenant and such assignee or sublessee that such renewal right or option shall terminate and be of no further force or effect unless Landlord’s consent to such assignment or sublease expressly provides otherwise. 
  

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 (c) In the event Tenant desires to assign this Lease or to sublease all or any substantial portion of the
Premises, Landlord shall have the right and option to terminate this Lease, which right or option shall be exercisable by written notice from Landlord to Tenant within thirty (30) days from the date Tenant gives Landlord written notice of its
desire to assign or sublease. 
 5. LOADING CAPACITY. Tenant covenants and agrees that it shall not load the Premises beyond its
present carrying or loading capacity. 
 6. INCREASE IN LANDLORD’S INSURANCE RATES. Tenant will not do, or suffer to be done,
anything in or about the Premises, or keep or suffer to be kept, anything in or about the Premises which will contravene or affect any policy of insurance, now existing or which the Landlord may hereafter place there on, or which will prevent the
Landlord from procuring such policies in companies acceptable to Landlord at standard rates. Tenant will, at Tenant’s sole expense, take all such actions and make any installations or alterations as may be necessary to obtain the greatest
possible reduction in the insurance rates for the Premises and the building in which the Premises are located, caused by the occupancy of Tenant, the nature of the business carried on by Tenant in the Premises, or otherwise resulting from any act of
Tenant, its agents, servants, employees or customers. 
 7. INSURANCE INDEMNIFICATION 
 (a) Tenant shall maintain the following insurance: (i) comprehensive general public liability insurance in respect of the Premises and the conduct
and operation of Tenant’s business therein, with Landlord as an additional named insured and at Landlord’s written request with the lessor or any ground or underlying lease of all or any part of the Premises as additional named insured,
with limits of not less than $1,000,000 for bodily injury or death to any one person, $2,000,000 for bodily injury or death to any number of persons in any one occurrence, and $1,000,000 for property damage, including water damage and sprinkler
leakage legal liability, (if sprinklered); (ii) steam boiler, air conditioning, and machinery insurance, if applicable, protecting Landlord and Tenant, with limits of not less than $500,000, but only if there is a boiler or pressure object or
other similar equipment in the Tenant’s Premises; (iii) fire insurance with extended coverage and broad form all risk endorsement covering all of Tenant’s stock and trade, fixtures, furnishings, floor coverings, equipment, signs, and
all other property belonging to Tenant or entrusted to Tenant or demised hereby, including installations and improvements of Tenant made in, on or about the Premises in any amounts required by any lender, but not less than the full insurable
replacement value of the property covered and out less than the amount sufficient to avoid the effect of the co-insurance provisions of the applicable policy or policies; (iv) business interruption insurance in an amount sufficient to meet any
co-insurance requirements, but in no event less than the equivalent of twelve (12) month’s rent (unless Landlord provides rental insurance and bills Tenant for it pursuant to Tenant’s obligations to pay increases in Landlord’s
costs of insuring the building, as set forth in Paragraph 23(c)). Tenant shall deliver to Landlord such fully paid for polices or certificates of insurance at least ten (10) days before the Commencement Date of this Lease. Tenant shall procure
and pay for renewal of such insurance from time to time before the expiration thereof, and Tenant shall deliver to Landlord and any additional named insured(s) such renewal policy at least thirty (30) days before the expiration of any existing
policy. If Tenant fails to comply with any portion of this provision, Landlord may, but shall not be obligated to, obtain insurance for Tenant and keep same in effect and Tenant shall pay Landlord all costs incurred, upon demand, plus 15% for
overhead/administrative expenses. Landlord shall not be liable for any damage or loss arising from the bursting, overflowing, or leaking of the roof or of water, sprinkler, sewer, or steam pipes, or for malfunctioning heating, air conditioning or
plumbing fixtures or from electric wire or fixtures or arising from any other cause whatsoever, unless caused by Landlord’s negligent or willful misconduct. 
 (b) Tenant shall and does hereby indemnify and save harmless Landlord, its successors or assigns, from all claims and demands of every kind, that may be brought against it, them or any of them for or on account of any
damage, loss or injury to persons or property in or about the Premises or the building and appurtenances in which the Premises are situated, arising from or out of Tenant’s use or occupancy thereof occasioned wholly or in part by any act or
omission of Tenant, its agents, servants, contractors, employees or invitees, and from any and all costs and expenses, counsel fees, and other charges which may be imposed upon Landlord, its successors or assigns, or which it or they may be
obligated to incur in consequence thereof. All personal property and fixtures in the Premises shall remain at Tenant’s sole risk. Tenant shall insure such property and fixtures against loss or damage by fire and casualties ordinarily included
in the extended coverage endorsement in use in Maryland in an amount equal to 100% of the replacement value thereof. 
  

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 (c) Landlord may, in its reasonable business judgment, maintain insurance on the property including but
not limited to equipment and systems in or pertaining to the building or property and including but not limited to public liability insurance, property damage insurance, automobile insurance, sign insurance, fire and extended coverage insurance,
rent insurance, boiler liability and casualty insurance, flood and earthquake insurance, and plate glass insurance. For any insurance maintained by Landlord with respect to the property and/or its equipment, Tenant agrees to pay as additional rent
Tenant’s proportionate share of said premiums for any insurance carried on the property or any portion thereof. If this Lease shall be in effect for less than a full insurance year, Tenant shall pay its proportionate share of any insurance
premiums based upon the number of months that this Lease is in effect. For purposes of calculating Tenant’s “proportionate share”, the insurance premium bill will be multiplied by a fraction, the numerator of which shall be the Floor
Space of the Tenant’s Premises, and the denominator of which shall be the leaseable Floor Space of the building. All computations shall be made in accordance with generally accepted accounting principles and the “Floor Space” referred
to herein will be based upon the Floor Space occupied or ready for occupancy (whether or not leased) on the first day of each month during the period in question. The Floor Space of the building at the time of the Lease execution is 310,000 square
feet. Any payment due hereunder shall be deemed to be additional rental pursuant to this Lease and shall be paid within (10) days of Landlord’s billing. 
 8. ALTERATIONS. Tenant shall not make any structural or non-structural alterations to the Premises, or any part thereof, without prior written consent of Landlord in each instance first had and obtained. If
Tenant shall desire to make such alterations, plans for the same shall first be submitted to and approved by Landlord, and all work and installations shall be performed by Tenant at its own expense in accordance with approved plans. Tenant agrees
that all such work shall be done in a good and workmanlike manner, that the structural integrity of the building shall not be impaired, and that no liens shall attach to the Premises by reason thereof. Tenant agrees to obtain, at Tenant’s
expense, all permits required for such alterations. 
 9. OWNERSHIP OF ALTERATIONS. Unless Landlord shall elect that all or part of
any alteration made by Tenant to the Premises (including any alterations consented to by Landlord pursuant to Paragraph 8 hereof) shall remain on the Premises after the termination of this Lease, the Premises shall be restored to their original
condition by Tenant before the expiration of this Lease at Tenant’s sole expense. Upon such election by Landlord, any such alterations, improvements, betterments or mechanical equipment, including but not limited to, heating and air
conditioning systems, shall become the property of the Landlord at the expiration or sooner of the termination of this Lease, and all right, title and interest thereof of Tenant shall immediately cease, unless otherwise agreed to in writing by
Landlord. 
 Tenant shall repair promptly, at its own expense, any damage to the Premises caused by bringing into the Premises any property
for Tenant’s use, or by the installation or removal of such property, regardless of fault or by whom such damage shall be caused. 
 10. REPAIRS AND MAINTENANCE. 
 (a) The Premises hereby leased, are leased to Tenant “As Is,” except as
specifically provided in Exhibit B. Further, except as herein expressly provided, Landlord shall be under no liability, nor have any obligation to do any work or make any repairs in or to the Premises, and any work which may be necessary to outfit
the Premises for Tenant’s occupancy or for the operation of Tenant’s business therein is the sole responsibility of Tenant and shall be performed by Tenant at its own cost and expense. Tenant acknowledges that it has fully inspected the
Premises prior to the execution of this Lease, and Tenant further acknowledges that Landlord has made no warranties or representations with respect to the condition or state of repairs of the Premises. 
 (b) Tenant will, during the term of this Lease, keep the Premises and appurtenances (including windows, doors, plumbing, heating and electrical
facilities and installations), in good order and repair and will make all necessary repairs thereof at its own expense, except that Landlord will make all necessary repairs (except painting) to the exterior walls and roof of the building, after
being notified in writing by Tenant of the need for such repairs, and shall have a reasonable time in which to complete such repairs. Landlord hereby warrants to Tenant that the HVAC system shall he in good working order for the first year of the
Lease Term. Landlord agrees to make any major repairs or replacements to the HVAC system necessary during that year which cost in excess of $500.00 so long as such repair or replacement is not necessitated by Tenant’s negligence or intentional
misconduct. Tenant shall be responsible for all day to day maintenance of the HVAC system. Tenant agrees to carry a maintenance and/or service agreement 
  

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 or policy on the HVAC system in the Premises. Tenant shall provide Landlord with a copy of such policy or certificate
evidencing such coverage. In the event that the repairs required to be made by Landlord are necessitated as a result of negligence or misuse by Tenant, its agents, servants, employees, licensees or guests, or by any contractor engaged by or on
behalf of Tenant, such repairs shall be made by and be paid for by Tenant. 
 Tenant will, at the expiration of the term or at the sooner
termination, deliver up the Premises in the same good order and condition as they were at the beginning of the tenancy, reasonable wear and tear and damage by casualty excepted, (where Lease is terminated due to the casualty provision of this
Lease). In addition, Tenant must remove all of its trade fixtures and equipment and must fill any and all holes in the floor after removing said trade fixtures and equipment, topping the filled holes with a six inch concrete cap, reinforced with a
reinforced steel rebar. Moreover, the Premises must be broom swept and clean and any office area cleaned and straightened out. 
 Tenant
further agrees that it will maintain the Premises at its own expense in a clean, orderly and sanitary condition, free of insects, rodents, vermin and other pests; and that it will not permit undue accumulation of garbage, trash, rubbish or other
refuse, but will remove the same an its own expense and will keep such refuse in proper containers inside the Premises until removed. At any time after the commencement of this Lease, Landlord may designate areas outside the Premises for storage of
Tenant refuse/garbage. In the event of any Tenant default pursuant to this obligation, Tenant specifically agrees that Landlord can have Tenant’s garbage, trash, rubbish or other refuse removed and Tenant will be required to pay, as additional
rental, any costs which Landlord incurs in said removal plus fifteen percent (15%) Landlord administrative/overhead expenses. Tenant further agrees that it will not install any additional electrical wiring or plumbing unless it has first
obtained Landlord’s written consent thereto, and, if such consent is given, Tenant will install the same at its own cost and expense, and Tenant shall obtain, at Tenant’s expense, all permits required for such installation. 
 (c) In the event Tenant shall not proceed promptly and diligently to make any repairs or perform any obligation imposed upon it by subparagraphs
(a) and (b) hereof within forty-eight (48) hours, after receiving written notice from Landlord to make such repairs or perform such obligation, then and in such event, Landlord may, at its option, enter the Premises and do and perform
the things specified in said notice, without liability on the part of Landlord for any loss or damage resulting from any such action by Landlord, and Tenant agrees to pay promptly upon demand any cost or expense incurred Landlord in taking such
action. 
 (d) Tenant shall keep all of its Premises sufficiently heated during freezing weather in order to keep any water pipes in the
Premises or serving the Premises from freezing. 
 (e) If governmental regulations require recycling of any on all of the trash generated in
the Premises, Tenant hereby agrees to participate in any recycling program and to assume any obligation for recycling which may be imposed upon Landlord as the property owner, with respect to the refuse, garbage and trash generated by the
Premises’ operation. 
 11. TAX ESCALATION. As of the Commencement Date of this Lease, the Premises hereby leased comprise
approximately five and forty eight/hundredths of a percent (5.48%) of the total land and/or buildings within which the Premises are located. Tenant agrees to pay as additional rent, within thirty (30) days of Landlord billing,
Tenant’s proportionate share of any real estate taxes assessed against the land and/or building, as improved. Real estate taxes shall be deemed to include any taxes assessed against the land and/or buildings generally, and not resulting from
improvements placed therein by Tenant. In the event of any increases in real estate taxes resulting from improvements, alterations or additions made by Tenant, Tenant shall pay one hundred percent (100%) of the amount of said increase. If this
Lease shall be in effect for less than a full fiscal year, Tenant shall pay its proportionate share of the taxes, based upon the number of months that this Lease is in effect. For purposes of calculating Tenant’s “proportionate
share”, the real estate tax bill with be multiplied by a fraction, the numerator of which shall be the Floor Space of the Tenant’s Premises, and the denominator of which shall be the leasable Floor Space of the building. All computations
shall be made in accordance with generally accepted accounting principles and the “Floor Space” referred to herein will be based upon the Floor Space occupied or ready for occupancy (whether or not leased) on the first day of each month
during the period in question. Any payment due hereunder shall be deemed to be additional rental pursuant to this Lease and shall be paid within thirty (30) days of Landlord’s billing. “Taxes” or “real estate taxes” as
used herein shall include, but not by way of limitation, all paving taxes, special paving taxes, Metropolitan District [BALANCE INTENTIONALLY LEFT BLANK] 
  

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 Charges, and any and all other benefits or assessments which may be levied on the Premises or the land and/or building(s)
in which the same are situate, as well as any and all costs or fees incurred by Landlord in contesting any real estate tax assessment, but shall not include any income tax on the income or rent payable hereunder. 
 12. DEFAULT 
 (a) Any of the
following events shall constitute a default by Tenant: 
 (i) If the rent (basic or additional) shall be in arrears, in whole or in part; or

 (ii) If Tenant shall have failed to perform any other term, condition or covenant of this Lease on its part to be performed for a period
of ten (10) days after notice of such failure by Landlord; or 
 (iii) If the Premises are vacant, unoccupied or deserted for a period
of fifteen (15) days or more at any time during the term; or 
 (iv) If Tenant is adjudicated a bankrupt or insolvent by any court of
competent jurisdiction, or if any such court enters any order, judgment or decree finally approving any petition against Tenant seeking reorganization, liquidation, dissolution or similar relief or if a receiver, trustee, liquidator or conservator
is appointed for all or substantially all of Tenant’s assets and such appointment is not vacated within thirty (30) days after the appointment, or if Tenant seeks or consents to any of the relief herein above enumerated in this
subparagraph (iv) or files a voluntary petition in bankruptcy or insolvency or makes an assignment of all or substantially all of its assets for the benefit of creditors or admits in writing of its inability to pay its debts generally as they
become due or files Articles of Dissolution, or similar writing indicating its intention to wind up or liquidate its business, with the appropriate authority of the place of its incorporation; or 
 (v) If Tenant’s leasehold interest under this lease is sold under execution, attachment or decree of court to satisfy any debt of Tenant, or if any
lien (including a mechanic’s lien) is filed against Tenant’s leasehold interest and is not discharged within ten (10) days thereafter. 
 (b) In the event of default as defined in paragraph (a) hereof, Landlord, in addition to any and all legal and equitable remedies it may have, shall have the following remedies: 
 (i) To distrain for any rent or additional rent in default; and 
 Intentionally deleted. 
 Not withstanding any such reentry and/or termination, Tenant shall immediately be
liable to Landlord for the sum of the following: (a) all rent and additional rent then in arrears, without apportionment to the termination date, including but not limited to Tenant’s contribution to taxes and utilities under Paragraphs 3
and 11 and Tenant’s contribution to common area costs under Paragraph 23 for the year of termination; (b) all other liabilities of Tenant and damages sustained by Landlord as a result of Tenant’s default, including, but not limited
to, the reasonable costs of reletting the Premises and any broker’s commissions payable as a result thereof; (c) all of Landlord’s costs and expenses (including reasonable counsel fees) in connection with such default and recovery of
possession; (d) the rent and additional rent reserved under this Lease at the times herein stipulated for payment of rent and additional rent for the balance of the term, less any amount received by Landlord during such period from others to
whom the Premises may be rented on such terms and conditions and at such rentals as Landlord, in its sole discretion, shall deem proper; and (e) any other damages recoverable by law. In the event Landlord brings any action against Tenant to
enforce compliance by Tenant with any covenant or condition of this Lease, because of Tenant’s default in performing any such covenant or condition, Tenant shall pay to Landlord all costs and expenses incurred by Landlord and bringing and
prosecuting such action against Tenant, including reasonable attorneys’ fees. 
 (c) In the event Tenant fails to pay Landlord any
rental payment or other charge due hereunder within ten (10) days from the date on which such payment was due, Landlord may, an its option, charge Tenant a late charge equal to ten percent (10%) of the rental payment or other such charge,
which late charge shall be collectible as additional rent and shall be payable by Tenant to Landlord after written notice from Landlord to Tenant assessing the same. In addition, Tenant shall be liable for an administrative charge of Twenty-Five
Dollars ($25.00) for each check or draft which is not honored by the drawee for any reason. 
  

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 13. TOTAL OR PARTIAL DESTRUCTION. 
 (a) Tenant shall give prompt notice to Landlord in case of any fire or other damage to the Premises. If (i) the Premises shall be damaged by fire or
other occurrence to the extent of more than seventy-five (75%) of the cost of replacement thereof, or (ii) if the entire building shall be damaged by fire or other occurrence to the extent of more than seventy-five percent (75%) of
the aggregate cost of replacement of the entire building, or (iii) the building shall be damaged by fire or other occurrence and the loss shall not be covered by Landlord’s insurance or the net insurance proceeds (after deducting all
expenses in connection with obtaining same) shall, by reasonable anticipation, be insufficient to pay for the repair or restoration work to be done by Landlord, or (iv) the Premises shall be damaged by fire or other occurrence to the extent of
more than fifty percent (50%) of the cost of replacement thereof during the last two (2) years of the term, then in any such event Landlord may terminate this Lease by notice given within ninety (90) days after such event and upon the
date specified in such notice, which shall be not less than thirty (30) days nor more than sixty (60) days after the giving of said notice, this Lease shall terminate. If the Premises shall be damaged by fire or other casualty to the
extent of more than fifty (50%) percent of the cost of replacement thereof during the last two years of the term, Tenant may terminate this Lease by notice given before Landlord commences any repair or restoration work and in any event within
thirty (30) days after such damage, and this Lease shall terminate upon the giving of such notice. 
 (b) If this Lease shall not be
terminated after damage by fire or other casualty pursuant to the preceding sub-paragraph, Landlord and Tenant shall, promptly after receipt of insurance proceeds for such damage and to the extent that insurance proceeds are available, proceed with
the restoration of the Premises and the building to substantially the condition in which the same existed prior to the damage with such changes or additions as Landlord may desire to make. In no event, however, shall Tenant’s stock-in-trade,
trade fixtures, furniture, furnishings, removable floor coverings, equipment, signs and other property be Landlord’s responsibility and Tenant shall promptly proceed with restoration or replacement of same together with any alterations or
improvements it has made to its Premises and Tenant’s liability for said restoration or replacement shall not be limited to its insurance proceeds. 
 (c) If this Lease shall not be terminated by fire or other casualty, Landlord’s and Tenant’s restoration shall be completed as promptly as reasonably possible, and, to the extent that the Premises is
unusable (on a per square foot basis), rent (but not additional rental such as utilities, taxes or common area charges) reserved hereunder shall abate in proportionate to the area of the Premises damaged until Landlord’s work is completed.

 (d) Despite anything contained to the contrary in this Paragraph, and without limiting Landlord’s rights or remedies hereunder,
rental shall not be abated under this provision if in Landlord’s opinion, any damage or destruction is caused by any fault, neglect, default, negligent act or negligent omission of Tenant or those for whom Tenant is in law responsible or by any
other person entering upon the Premises under express or implied invitation of Tenant. 
 14. POSSESSION. In case possession of the
Premises, in whole or in part, cannot be given to Tenant on or before the commencement date of the term of this Lease, Landlord agrees to abate the rent and additional rent proportionately until possession is given to Tenant, and Tenant agrees to
accept such pro rata abatement as liquidated damages for the failure to obtain possession on the commencement date herein specified. The parties hereto covenant and agree that if the term of this Lease commences on a date other than the date herein
specified, they will, upon the request of either of them, execute an agreement in recordable form setting forth the new commencement and termination dates of the Lease term. Under no circumstances shall Landlord be under any liability for failure to
deliver possession of the Premises to Tenant on the date herein specified. 
 15. EXTERIOR OF PREMISES - SIGNS. 
 (a) Tenant covenants and agrees that it will not place or permit any sign or other thing of any kind, in or about the exterior of the Premises or the
building in which the Premises are situate, nor paint or make any change in, to or on the exterior of said Premises to change the uniform architecture, paint or appearance of the building, without in each such instance obtaining the prior written
consent of Landlord. Landlord will allow Tenant to install Tenant I.D. signs, subject to Landlord approval. Tenant shall not display any “going out of business” sign without prior written consent of Landlord. 
 (b) Tenant further covenants and agrees not to pile or place anything on the side wa1k, parking lot or other exterior portion of the Premises or building
in the front, rear, or sides the building, nor block the sidewalk, parking lot or other exterior portion of the Premises or building, nor do anything that directly 
  

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 or indirectly will interfere with any of the rights or ingress or egress or of light from any other tenants, nor do
anything which will, in any way, change the uniform and general design of any property of Landlord in which the Premises are situate. Landlord will at all times control all outside areas of the property and exterior portions of the Premises and
building including sidewalks and parking lots. 
 16. RELOCATION. Landlord reserves the right at its option and at Landlord’s
sole cost and expense (including all reasonable expenses of Tenant necessarily incurred by Tenant in connection with the relocation) to relocate the Premises hereby leased to another location in the building comparable to that leased hereunder,
provided Landlord gives Tenant at least thirty (30) days prior written notice of such relocation. 
 17. FOR RENT/SALE SIGNS.
Landlord shall have the right to place a “For Rent” sign on any portion of said Premises for six (6) months prior to termination of this Lease and to place a “For Sale” sign thereon at any time. During such six-month
period, Landlord may show the Premises and all parts thereof to prospective tenants/purchasers between the hours of 9:00 a.m. and 5:00 p.m. any day except Sunday or any legal holiday on which Tenant shall not be open for business. 
 18. RIGHT OF ENTRY. Landlord and its agents, servants, employees, including any builder or contractor employed by Landlord, shall have the right,
license and permission, at reasonable times after reasonable notice to Tenant (except in the event of any emergency), to enter and inspect the Premises or any part thereof, and at the option of Landlord, to make such reasonable repairs and/or
changes in the Premises as Landlord may deem necessary or proper and/or to enforce and carry out any provision of this Lease. Landlord’s access to the Premises shall also be subject to Department of Defense security concerns. 
 19. TERMINATION OF TERM. It is agreed that the term of this Lease shall expire and terminate at the end of the original term hereof (or at the
expiration of the last renewal term, if this Lease contains a renewal option and the same is properly exercised), without the necessity of any notice by or to any of the parties hereto, unless otherwise provided herein. If Tenant shall occupy the
Premises after such expiration or termination, it is understood that Tenant shall hold the Premises as a tenant from to month-to-month, subject to all the other terms and conditions of this Lease, at an amount equal to double the highest monthly
rental installment reserved in this Lease. 
 20. CONDEMNATION. 
 (a) If, during the term of this Lease, all or twenty-five percent (25%) or more of the Premises shall be taken by any public or quasi-public
authority under power of condemnation, eminent domain, or expropriation, or in the event of conveyance of twenty-five percent (25%) or more of the Premises in lieu thereof, this Lease shall terminate as of the day possession shall be taken by
such authority, and the rent (including additional rent) shall be apportioned to and abate from and after, the date of taking. Tenant shall have no right to participate in any award or damages for such taking and hereby assigns all of its right,
title and interest therein to Landlord. 
 (b) If during the Lease term, less than twenty-five percent (25%) of the Premises is taken,
this lease shall remain in full force and effect according to its terms and Tenant shall not have the right to participation in any award or damages for such taking and Tenant hereby assigns all of its right, title and interest in and to the award
to Landlord. In such event Landlord shall, at its expense, promptly make such repairs and improvements as may be necessary to make the remainder of the Premises adequate to permit Tenant to carry on its business to substantially the same extent and
with substantially the same efficiency as before the taking; provided that in no event shall Landlord be required to expend an amount in excess of the award received by Landlord for such taking. 
 (c) Nothing herein shall be deemed to prevent Tenant from claiming and receiving from the condemning authority, if legally payable, compensation for the
taking of Tenant’s own tangible property and such amount as may be payable by statute or ordinance toward Tenant’s damages for Tenant’s loss of business, removal and relocation expenses. 
 21. SUBORDINATION/NON-DISTURBANCE. Landlord shall have the right to place mortgage or mortgages on the Premises and the property of which the
Premises is a part, and this Lease shall be subordinate to any such mortgage or mortgages or superior thereto, as the mortgagee(s) may elect from time to time. Notice of such election shall be given to Tenant in connect with any mortgage
foreclosure. 
  

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 Within ten (10) days after a written request from time to time made by Landlord, Tenant shall
deliver to Landlord a signed and acknowledged statement in writing setting forth: (i) that this Lease is unmodified, in full force and effect, free of existing defaults of Landlord and free of defenses against enforceability (or if there have
been modifications or defaults, or if Tenant claims defenses against the enforceability hereof, then stating the modifications, defaults and/or defenses), (ii) the dates to which Rent and Additional Charges have been paid, and the amount of any
advance rentals paid, (iii) the commencement and expiration dates of the Term, (iv) whether Tenant has given written notice exercising its rights, if any, to renew this Lease, and if so, the renewal term so opted, and (v) that Tenant
has no outstanding claims against Landlord (or if there are any claims, then stating the nature and amount of such claims); it being intended that any such statement may be relied upon by any purchaser or mortgagee of Landlord’s interest in the
Premises, or any prospective purchaser or mortgagee. 
 Anything in the foregoing sections notwithstanding, this Lease is expressly
contingent upon Landlord obtaining from Tenant a Subordination, Non-Disturbance and Attornment Agreement from Landlord’s mortgagee, upon satisfaction of the following conditions: submission of Tenant’s financial statement in such form and
for such periods as Landlord’s mortgagee may reasonably require; completion and execution by Tenant of a Tenant Estoppel Certificate; payment by Tenant of mortgagee’s fee, if any, for the issuance of such Agreement. 
 22. ATTORNMENT 
 (a) If Landlord
assigns this Lease or the rents hereunder to a creditor as security for a debt, Tenant shall, after notice of such assignment and upon demand by Landlord or the assignee, pay all sums thereafter becoming due Landlord hereunder either to Landlord or
such assignee as designated in written notice to Tenant. Tenant shall also, upon receipt of such notice, have all policies of insurance required hereunder endorsed so as to protect the assignee’s interest as it may appear and shall deliver such
policies, or certificates thereof, to assignee. 
 (b) In the event the Premises are sold at any foreclosure sale or sales, by virtue of any
judicial proceedings on otherwise, this Lease shall continue in full force and effect and Tenant agrees, upon request, to attorn to and acknowledge the foreclosure purchaser or purchasers at such sale as the landlord hereunder. 
 23. PARKING AND COMMON FACILITIES. 
 (a) Landlord hereby further demises and leases to Tenant the right to use twenty (20) parking spaces within the parking lot adjacent to the building (which parking spaces are outlined and crosshatched on Exhibit A) for the use solely
of Tenant’s employees, agents, officers and invitees. Tenant agrees not to use, and not to permit its employees, agents, officers and invitees to use, any other parking spaces except the parking spaces made available to Tenant by Landlord.
Tenant agrees that it will, at Landlord’s request, furnish Landlord with a list of license plate numbers of all automobiles regularly used by Tenant’s employees, agents, officers and invitees. Tenant further agrees that if any automobiles
of Tenant’s agents employees, officers or invitees are found in parking areas other than those designated for Tenant’s use, Landlord shall have the right to have such improperly parked vehicles towed away by a towing company designated by
Landlord, and Tenant shall pay Landlord, upon demand, all costs incurred by Landlord. Landlord reserves the right to relocate any of Tenant’s parking spaces by reassigning to Tenant other parking spaces within the property shown on Exhibit A-1,
or on parking lots which Landlord provides on properties adjacent to the building for the use of Tenant’s employees, agents, officers and invitees; provided Landlord gives Tenant written notice of such reassignment at least ten (10) days
prior to the effective date thereof. In the event Landlord gives such notice to Tenant, Tenant shall instruct all of its employees, agents, officers and invitees to use only the reassigned spaces and to cease use of the spaces formerly assigned.

 (b) As of the Commencement Date of this Lease, the Premises hereby leased comprise approximately five and forty eight/hundredths of a
percent (5.48%) of the total land and/or buildings within which the Premises are located. Tenant agrees to pay as additional rent, within thirty (30) days of Landlord’s billing, Tenant’s proportionate share of Landlord’s
costs of operating, maintaining, repairing, replacing and insuring the common facilities (as hereinafter defined), including, but not limited to, loading areas, parking areas, pavements and walkways, and the cost of utilities for such common
facilities as well as any costs incurred by Landlord in maintaining the leased facilities (as hereinafter defined) but shall not include the cost of any work which Landlord performs specifically for the exclusive use of any tenant of the building,
nor any capital improvements which Landlord performs nor cost of executive personnel or services not related to the maintenance of the building in which the Premises is located. For purposes of calculating Tenant’s “proportionate
share,” Landlord’s cost of operating the Common Facilities will be 
  

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 multiplied by a fraction, the numerator of which shall be the floor space of the Tenant’s Premises, and the
denominator of which shall be the leasable floor space of the building. All computations shall be made in accordance with generally accepted accounting principles and the “Floor Space” referred to herein will be based upon the Floor Space
occupied or ready for occupancy (whether or not leased) on the first day of each month during the period in question. The Floor Space of the building at the time of the Lease execution is 316,000 square feet. Any payment due hereunder shall be
deemed to be additional rental pursuant to this Lease and shall be paid within thirty (30) days of Landlord’s billing. 
 (c)
Tenant shall have the right to the exclusive use of any entrances, exits, storage areas, and loading docks within the leased Premises or exclusively serving the leased Premises (“Leased Facilities”), subject to the condition that Landlord
shall at all times have the right and privilege of determining the nature and extent to which such leased facilities may be used. 
 In
addition, Tenant shall have the right to the non-exclusive use of any walkways, entrances, exits, parking areas, outside storage areas or trash areas, if any, outside the leased Premises, serving the building, in common with other tenants,
(“Common Facilities”) subject to the condition that Landlord shall at all times have the right and privilege of determining the nature and extent to which such common facilities may be used, and of making such changes, rearrangements,
additions or reductions therein or thereto, which in Landlord’s opinion are deemed to be desirable and in the best interests of all tenants of the building, or which are required as the result of any law or regulation. Tenant’s
non-exclusive right to use the common facilities is a license and not an easement. Tenant’s non-exclusive license to use the common facilities shall be a license to access over and through the common facilities but not to store anything on the
common facilities or to erect any structures, permanent or temporary, or to make any other use of the common facilities except as specifically permitted by Landlord. Where Landlord has designated a portion of the common facilities for any individual
tenant’s exclusive use, such as assigning parking spaces in a parking area to an individual tenant or creating a storage or trash disposal area to be used by an individual tenant, that individual tenant shall be deemed to have no further rights
with respect to other parking areas and/or other trash removal or storage areas, but such individual tenant shall be limited to the specified areas provided by Landlord and such areas shall still be deemed to be part of the common facilities,
although only made available by Landlord to designated tenants. 
 Tenant agrees that Landlord may establish and from time to time change,
alter and enforce against Tenant such reasonable rules and regulations as Landlord may deem necessary or advisable for the proper and efficient use, operation and maintenance of such common facilities. Landlord shall, at all times, have sole and
exclusive control, management and direction of such common facilities, and may, at any tine and from time to time, exclude and restrain any person from use or occupancy thereof. It shall be the duty of Tenant to keep all such facilities free and
clear of any obstructions created or permitted by Tenant or resulting from Tenant’s use. Tenant shall be fully liable for any damage to any of such facilities resulting from the negligence or misuse by Tenant, its agents, employees, contractors
or invitees. Landlord may, at any time and from time to time, either temporarily or permanently, close all or any portion of such common facilities to make repairs or changes, and to do and perform such other acts as, in the exercise of good
business judgment, Landlord shall determine to be advisable with a view to the improvement of the convenience and use thereof by tenants, their employees, agents and invitees. 
 (d) Landlord agrees to permit Tenant’s use of outside areas adjacent to the Premises for testing and display of Tenant’s products. Landlord
shall determine the location and duration of such uses after receipt of Tenant’s written request therefor. 
 24. COMPLIANCE WITH
LAWS. 
 (a) Tenant covenants and agrees that it will, at its own expense, observe, comply with and execute all laws, orders, rules,
requirements and regulations of all governmental agencies, and all rules, directions, requirements and recommendations of the local board of fire underwriters and the fire insurance rating organizations having jurisdiction over the area in which the
Premises are situated, or other bodies or agencies now or hereafter exercising similar functions in the area in which the Premises are situated, in any way pertaining to the Premises or the use and occupancy there. 
 (b) The preceding shall include, but not be limited to, the following which Tenant shall not cause or permit to occur (i) any violation of any
federal, state, or local law, ordinance or regulation now or hereinafter enacted, related to environmental conditions on, under, or about the Premises, arising from Tenant’s use or occupancy of the Premises, including, but not limited to, soil
and ground water conditions; or (ii) the use, generation, release, manufacture, refining, production, processing, storage, or disposal of any “Hazardous Substance” (as defined herein) on, under or about the Premises, or the
transportation to or from the Premises of any Hazardous Substance. 
  

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 (c) Tenant shall, at Tenant’s own expense, comply with all laws regulating the use, generation,
storage, transportation, or disposal of Hazardous Substances and Tenant shall, at Tenant’s own expense, make all submissions to, provide all information required by, and comply with all requirements, of all governmental authorities pursuant to
said laws. Should any authority or any third party demand that a clean-up plan be prepared and that a clean-up be undertaken because of any deposit, spill, discharge or other release of Hazardous Substances that occurs as a result of Tenant’s
use or occupancy of the Premises, then Tenant shall, at Tenant’s own expense, prepare and submit the required plans and all related bonds and other financial assurances; and Tenant shall carry out all such clean-up plans. Tenant shall promptly
provide all information regarding the use, generation, storage, transportation or disposal of Hazardous Substances that is requested by Landlord. If Tenant fails to fulfill any duty imposed under this Paragraph within a reasonable time, Landlord may
do so; and in such case Tenant shall cooperate with Landlord in order to prepare all documents Landlord deems necessary or appropriate to determine the applicability of the laws to the Premises and Tenant’s use thereof, and for compliance there
with, and Tenant shall execute all documents promptly upon Landlord’s request. No such action by Landlord and no attempt made by Landlord to mitigate damages shall constitute a waiver of any of Tenant’s obligations under this Paragraph and
Tenant’s obligations and liabilities hereunder shall survive the expiration of this Lease. 
 (d) The term “Hazardous
Substances” as used in this Lease shall include, without limitation, flammables, explosives, radioactive materials, asbestos, polychlorinated biphenyls (PCBs), chemicals known to cause cancer or reproductive toxicity, pollutants, contaminants,
hazardous wastes, toxic substances or related materials, petroleum and petroleum products, and substances declared to be hazardous or toxic under any law or regulation now or hereafter enacted or promulgated by any governmental authority including
without limitation “oil, petroleum products and their by-products” as defined by Maryland Natural Resources Code Ann. Section; 8-1411-(a)(3) as amended from time to time, any “Hazardous Waste” as defined by the Resource
Conservation and Recovery Act of 1976 as amend from time to time, and regulations promulgated thereunder; any “Hazardous Substance” as defined by the Comprehensive Environmental Response, Compensation and Liability Act of 1980, as amended
from time to time; and any “Hazardous Substances” as defined by Maryland Health Environmental Code Ann., Title 7, Subtitle 2, as amended from time to time, and regulations promulgated thereunder). 
 (c) Tenant shall indemnify, defend, and hold harmless the Landlord, the manager of the property, and their respective officers, directors, beneficiaries,
share-holders, partners, agents and employees from all fines, suits, procedures, claims and actions of every kind, and all costs associated therewith (including reasonable attorneys’ and consultants’ fees) arising out of or in any way
connected with any deposit, spill, discharge or other release of Hazardous Substances that occurs as a result of Tenant’s use or occupancy of the Premises, or from Tenant’s failure to provide all information, make all submissions, and take
all steps required by all governmental authorities under the laws. Tenant’s obligations and liabilities under this sub-paragraph shall survive the expiration of this Lease. 
 25. NOTICES. Any notice required by this Lease shall be sent by certified mail to Landlord at: 17 West Pennsylvania Avenue, Baltimore, Maryland
21204, Attention: Lawrence Reif, with copy to Legal Department, P.O. Box 10147, Baltimore, Maryland 21285. Any notice required by this Lease shall be sent by certified mail to Tenant at: TVI CORPORATION, having an address at 7100 Holiday Tyler Road,
Glenn Dale Business Center, Glenn Dale, Maryland 20769 (if no other address specified, such notices to Tenant shall be addressed no the Leased Premises). Either party may, at any time, or from time to time, designate in writing a substitute address
for that above set forth, and thereafter all notices to such party shall be sent by certified mail to such substitute address. 
 26.
NON-WAIVER. It is understood and agreed that nothing herein shall be construed to be a waiver of any of the terms, covenants or conditions herein contained, unless the same shall be in writing, signed by the party to be charged with such
waiver and no waiver of the breach of any covenant herein shall be construed as a waiver of such covenant or any subsequent breach thereof. No mention in this Lease of any specific right or remedy shall preclude Landlord from exercising any other
right or from having any other remedy or from maintaining any action to which it may be otherwise entitled either at law or in equity. 
 27.
SUCCESSORS AND ASSIGNS. Except as herein otherwise specifically provided, this Lease and the covenants and conditions herein contained shall extend to, bind and inure to the benefit of the parties hereto and their respective personal
representatives, heirs, successors and permitted assigns. 
  

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 In the event of any sale or transfer of the fee of any Premises which includes the Premises demised
hereunder (other than a sale with a leaseback to the Grantor) or any assignment of any ground or underlying lease of any Premises which includes the Premises demised hereunder, the Grantor, transferor, or assignor, as the case may be, shall be and
hereby is entirely relieved and freed of all obligations under this Lease. 
 Further, notwithstanding any provision herein to the contrary,
Tenant shall look solely to the estate and property of Landlord in and to the property (or the proceeds received by Landlord on the sale of such estate and property, but not the proceeds of any financing or re-financing thereof) in event of any
claim against the Landlord arising out of or in connection with this Lease, the relationship of Landlord and Tenant for Tenant’s use of the Premises, and such claim shall be limited to such estate and property of Landlord (or sale proceeds). No
other properties or assets of Landlord shall be subject to levy, execution or other enforcement procedures for the satisfaction of any judgment, (or other judicial process) or for the satisfaction of any other remedy of Tenant arising out of or in
connection with this Lease, the relationship of Landlord and Tenant, and Tenant’s use of the Premises, and if Tenant shall acquire a lien on or interest in any other properties or assets by judgment or otherwise, Tenant shall promptly release
such lien or interest in such other properties and assets by executing, acknowledging, and delivering to Landlord an instrument to that effect prepared by Landlord’s attorneys. 
 28. SECURITY DEPOSIT/CONSTRUCTION 
 (a) Landlord hereby acknowledges receipt from Tenant of Fifteen Thousand Dollars ($15,000.00) to be held by Landlord as security for the faithful performance by Tenant of all of the terms, covenants and conditions of this Lease. The
security deposit shall not accrue interest. Landlord may, in Landlord’s sole discretion invest the deposit in interest bearing securities or accounts, and interest earned thereon, if any, shall belong to Landlord. Tenant further agrees that
Landlord shall be entitled to co-mingle said security deposit and interest, if any, with its own funds. If, during the term of this Lease, or any renewal or extension thereof, any amount due from Tenant to Landlord as rental or otherwise, shall
become past due, Landlord shall have the right, in its sole discretion, to apply the said security deposit, or any portion thereof, to satisfy such obligation and Tenant shall thereafter immediately replenish the security deposit to the sum
specified above in this Section with the next payment of rental due hereunder. Further, in the event Tenant fails to comply with any of the terms or conditions contained in this Lease, Landlord shall have the right to apply the security deposit
against any brokerage fee paid by Landlord to secure tenant and to repay Landlord for any money it expended in preparing the Premises for Tenant’s occupancy; Tenant shall thereafter immediately replenish the security deposit to the sum
specified above in this Section. Within a reasonable time after the termination date of this Lease, the security deposit shall be returned to Tenant, less all costs incurred to Landlord in correcting or satisfying any default under this Lease and
all costs incurred by Landlord in returning the Premises to the same condition as it was when delivered to Tenant, excluding reasonable wear and tear. No right or remedy available to Landlord as provided in this Section shall preclude or extinguish
any other right or remedy to which Landlord may be entitled under this Lease or at law or in equity. 
 (b) For a description of
Landlord’s Work and Tenant’s Work, see further Exhibit B – Construction Specifications. 
 29. ACCORD AND SATISFACTION.
No payment by Tenant or receipt by Landlord of any lesser amount than the amount stipulated to be paid hereunder shall be deemed other than on account of the earliest stipulated rent or additional charges; nor shall any endorsement or statement
on any check of letter be deemed an accord and satisfaction, and Landlord may accept any check or payment without prejudice to Landlord’s right to recover the balance due or to pursue any other remedy available to Landlord. 
 30. NOTICES TO MORTGAGES. Tenant agrees that a copy of any notice of default from Tenant to Landlord shall also be sent to the holder of any
mortgage or deed of trust on the Premises, provided Tenant has been given written notice of the fact that such mortgage or deed of trust has been made; and Tenant shall allow said mortgagee or holder of the deed of trust a reasonable time, not to
exceed ninety (90) days from the receipt of said notice, to cure, or cause to be cured, any such default. If such default cannot reasonably be cured within the time specified herein, then such additional time as may be necessary shall be
allowed, provided the curing of such default is commenced and diligently pursued (including, but not limited to, commencement of foreclosure proceedings if necessary to effect such cure) in which event this Lease shall not be terminated while such
remedies are being thus diligently pursued. 
  

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 31. ESTOPPEL CERTIFICATE. Tenant shall, at any time and from time to time during the term of this
Lease or any renewal thereof, upon request of Landlord, execute, acknowledge, and deliver to Landlord or its designee, a statement in writing, certifying that this Lease is unmodified and in full force and effect if such is the fact (or if there
have been any modifications thereof, that the same is in full force as modified and stating the modifications) and the dates to which the rents and other charges have been paid in advance, if any. Any such statement delivered pursuant to this
paragraph may be relied upon by any prospective purchaser of the estate of Landlord or by the mortgagee or any assignee of any mortgagee or the trustee or beneficiary of any deed of trust constituting a lien on the Premises or upon property in which
the Premises are situate. 
 32. MECHANIC’S LIENS. Nothing contained in this Lease shall be deemed, construed or interpreted to
imply any consent or agreement on the part of Landlord to subject Landlord’s interest or estate to any liability under any mechanic’s or other lien law. If Landlord receives any notice to file a mechanic’s or other lien against the
building, or any part thereof, or the Premises, or any part thereof, for any work, labor, services or materials claimed to have been performed or furnished for or on behalf of Tenant or anyone holding any part of the Premises through or under
Tenant, then Tenant shall act promptly to have such notice withdrawn and to settle any dispute that is the subject of such notice. If any petition to establish a mechanic’s or other lien is filed, or if any mechanic’s or other lien is
actually established, against the building, or any part thereof, or the Premises, or any part hereof, or if any mechanics or other lien is actually established, for any work, labor, services or materials claimed to have been performed or furnished
for or on behalf of Tenant or anyone holding any part of the Premises through or under Tenant, then Tenant shall cause the same to be canceled and discharged of record by payment, bond or order of court within 20 days after notice by Landlord to
Tenant. Tenant shall, at Landlord’s request, give written notice to all of Tenant’s laborers and materialmen that Landlord shall not be responsible for labor on the Premises not at the time of said notice performed, or for materials which
have been furnished. Tenant shall be responsible for paying, as additional rent, any attorneys fees that Landlord actually incurs as a result of Landlord receiving any notice of intent to file a mechanic’s, or other, lien described herein; as a
result of any such petition to file a mechanic’s or other, lien; or as a result of any such mechanic’s, or other, lien being established against the building, or any part thereof, or against the Premises, or any part thereof. 

33. WAIVER OF JURY TRIAL AND RIGHT TO COUNTERCLAIM. This lease shall be construed in accordance with the laws of the state of Maryland.
Landlord and Tenant shall and they hereby do waive trial by jury in any action, proceeding or counterclaim brought about by either of the parties hereto against the other on any matters arising out of or in any way connected with this Lease, the
relationship of Landlord and Tenant, Tenant’s use or occupancy of the Premises, and any emergency or other statutory remedy. Tenant further agrees that it shall not interpose any counterclaim(s) in a summary proceeding or in any action based on
holdover or non-payment of rent and/or additional charges. 
 34. BROKERAGE. Tenant and Landlord each covenants and agrees than it has
had no dealings with any broker or agent in connection with this Lease, except for Bright Realty Advisors, LLC and each covenants to pay, hold harmless and indemnify the other from and against any and all costs, expenses and liabilities for any
compensation, commissions and charges claimed by any broker or agent in respect of this Lease or the negotiation thereof with whom Tenant or Landlord, as the case may, be, is claimed to have had dealings. 
 35. TENANT REPRESENTATIVE. Name, address and telephone number of Tenant representative to be contacted in the event of emergency:
                                        
                                        
                                        
                                        
                     
                                       
                                        
                                        
                                        
                                        
               
 36. NO OFFER. The submission of this Lease
does not constitute a binding or irrevocable option or offer by Landlord to lease the Premises to Tenant on the terms herein set forth, or on any other terms. Neither Landlord nor Tenant shall be bound or legally obligated in any way until such time
as this Lease is fully executed by both parties hereto, and executed counterparts there of are delivered to each of the parties. This Lease may be executed in any number of counterparts, each of which shall be an original, but all of which shall
together constituted but one Lease. 
 37. TENANT’S RIGHT TO AUDIT. 
 (1) Audit Threshold. In the event Tenant’s proportionate share of Common Facilities Costs increases by more than twenty percent (20%) in any
Lease Year, Tenant may audit Landlord’s common area operating costs in order to verify the accuracy of Common Facilities Costs charges provided that: 
  

	 	(a)	Tenant specifically designates the fiscal year(s) that Tenant intends to audit, which shall be a year within three (3) years of the date of the audit but must be within the
Term of this Lease; and 

  

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	 	(b)	Such audit will be conducted only during regular business hours at the office where Landlord maintains CAM expense records and only after Tenant gives Landlord fourteen
(14) days notice. 

 (2) Copy of Audit. Tenant shall deliver to Landlord a copy of the results of such audit within
fifteen (15) days of its receipt by Tenant. No such audit shall be conducted if any other tenant has conducted an audit for the time period Tenant intends to audit and Landlord furnishes to Tenant a copy of the results of such audit.

 (3) Tenant Not in Default, No audit shall be conducted any time that Tenant is in default of any terms of the Lease. 
 (4) Limits for Subtenants and Assignees. No subtenant shall have any right to conduct an audit and no assignee shall conduct an audit for any period
during which such assignee was not in possession of the Premises. 
 38. MISCELLANEOUS 
 (a) Except for tenant’s obligation to pay rent and additional rental, the time of Landlord or Tenant, as the case of may be, to perform any of its
respective obligations hereunder shall be extended if and to the extent that the performance thereof shall be prevented due to any strike, lockouts, civil commotions, war-like operations, invasions, rebellions, hostilities, military or usurped
power, governmental regulations or controls, acts of God, or other causes beyond the control of the party whose performance is required. If Landlord shall be prevented from delivering the Premises to Tenant for causes beyond the control of Landlord,
then the commencement and expiration of the Term shall be extended accordingly. 
 (b) In the event that Tenant shall seek the approval by or
consent of Landlord and Landlord shall fail or refuse to give such consent or approval in respect of any matter where Landlord is required, either by this Lease or by law, not to unreasonably withhold its consent or approval, Tenant shall not be
entitled to any damages for any withholding delay of such approval or consent of Landlord, but only shall be entitled to bring an action for injunction or specific performance. 
 (c) This Lease and the Riders and Exhibits attached hereto, if any, set forth all the covenants, promises, assurances, agreements, and understandings
between Landlord and Tenant concerning the Premises and supersede and revoke any previous negotiations, arrangements, letters of intent, offers to lease, lease proposals, and information conveyed. 
 (d) Irrespective of the place of execution or performance, this Lease shall be governed by and construed in accordance with the laws of the State of
Maryland. If any provision of this Lease or the application thereof to any person or circumstance shall, for any reason or to any extend, be invalid or unenforceable, the remainder of this Lease and the application of that provision to other persons
or circumstances shall not be affected but rather shall be enforced to the extend permitted by law. The table of contents, captions, headings and title in this Lease are solely for convenience of reference and shall not affect its interpretation.
This Lease shall be construed without regard to any presumption or other rule requiring construction against the party causing this Lease to be drafted. If any words or phrases in this lease have been stricken out or added, this lease shall be
construed as if the words or phrases so stricken out or otherwise eliminated were never included in this Lease and no implication or inference shall be drawn from the fact that said words or phrases were so stricken out or otherwise eliminated. Each
covenant, agreement, obligation or other provision of this Lease shall be deemed and construed as a separate and independent covenant of the party bound by, undertaking or making same, not dependent on any other provision of this Lease unless
otherwise expressly provided. All terms and words used in this Lease, regardless of the number or gender in which they are used, shall be deemed to include any other number and any other gender as the context may require. 
 (e) In the event Tenant defaults under any of the terms of this Lease, Tenant shall pay all costs, expenses and reasonable attorney’s fees that may
be incurred or paid by Landlord as a result thereof. Tenant shall be liable for such attorney fees whether or not Landlord institutes legal proceedings. However, where legal proceedings are instituted by Landlord against Tenant, and said proceedings
result in a monetary judgment in favor or Landlord, those reasonable attorney fees for which Tenant shall be liable to Landlord shall not be less than 15% of said judgment. 
  

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 (f) Any and all sums of money required to be paid by Tenant under this Lease, whether or not designated
as “additional rent” shall nevertheless be deemed as “additional rent” and shall be collectible as rent. 
 (g) This
written agreement constitutes the entire agreement and understanding of the parties, and there are no other, prior or contemporaneous, written or oral agreements, undertakings, promises, warranties or covenants not contained herein. This Lease
cannot be modified or amended except in a writing signed by both parties. 
 AS WITNESS the hands and seals of the parties hereto the day and
year first above written. 
  

							
	WITNESS:	 	LANDLORD:	 	
		 	GLENN DALE BUSINESS CENTER, L.L.C.	 	
		 	By:	 	Continental Realty Corp., Agent	 	
				
		 	By:	 	 /s/ Lawrence G. Rief
	 	(SEAL)
		 		 	Lawrence G. Rief, Member	 	
			
	WITNESS:	 	TENANT:	 	
		 	TVI CORPORATION	 	
				
		 	By:	 	 /s/ Allen E. Bender
	 	(SEAL)
		 		 	Allen E. Bender, President	 	

 STATE OF MARYLAND, CITY/COUNTY OF MARYLAND, to wit: 
 On this 16 day of February 1998, before me, the subscriber, a Notary Public of the State of Maryland, personally appeared 
 LAWRENCE G. RIEF, Member 
 of
the above named Landlord, and he acknowledged the above Lease to be the act of the said Landlord. 
 IN WITNESS WHEREOF, I have hereunto set
my hand and Notarial Seal. 
  

	
	 /s/ Suzanne R. Bruno

	Notary Public

 My Commission Expires: 12/4/01 
 STATE OF MARYLAND, CITY/COUNTY OF CHARLES, to wit: 
 On this 14 day of January, 1998, before me, the subscriber, a Notary Public of the state aforesaid, personally appeared 
 ALLEN E. BENDER, President 
 of the above named Tenant, and he acknowledged the above Lease
to be the act of the said Tenant. 
 IN WITNESS WHEREOF, I have hereunto set my hand and Notarial Seal. 
  

	
	 /s/ Mary Ellen Ginn

	Notary Public

 My Commission Expires: June 21, 1999 
  

 -15- 

 EXHIBIT A - Plat of Premises 
 Graphic Omitted 

 EXHIBIT A-1 – Parking Facilities 
 Graphic Omitted 

 EXHIBIT A-2 - Finished Area 
 Graphic Omitted 

 GLENN DALE BUSINESS CENTER, L.L.C. 
 EXHIBIT B 
 CONSTRUCTION SPECIFICATIONS 
 A. Landlord will, at its cost and expense, do the following with respect to Premises demised hereunder prior to Commencement Date of the Lease:

 1. Renovate and finish office space, restrooms, lunchroom, and related administrative spaces, and designated the
“Finished Area” per the attached plan in Exhibit A-2 including new HVAC for the Office Area 
 2. Install two new
gas fired ceiling mounted heaters in the warehouse areas. 
 3. Tenant shall have exclusive use of existing loading facilities
as shown on Exhibit A-2. 
 B. The following shall be incorporated in the construction of the Premises by the party indicated, but all labor,
material and equipment therefor shall be at Tenant’s sole cost and expense: All other items necessary in order to constitute the Premises as a fully tenantable unit. 
 C. Except as otherwise indicated, Tenant accepts the Premises in “As is” condition as of the date of the execution of this Lease. 
 All work included in or in addition to the foregoing shall be subject to Landlord’s approval as to design, materials and details. 
 D. Provisions governing work performed by Tenant. 
 1. All work performed by Tenant shall be performed in a first class and workmanlike manner and with new materials. 
 2. Tenant shall be responsible for obtaining all permits required in connection with the performance of its work. 
 3. Before Tenant or its contractors commence any work, they shall arrange with Landlord for allocation of space for storage of equipment and materials and for access to the site of the work. Storage of all materials
and equipment shall be confined to the areas from time to time designated by Landlord, and access to the site of the work by Tenant’s contractors, and their employees and suppliers shall be confined to the routes from time to time designated by
Landlord. 
 4. Connections for utility service for Tenant and its contractors during the construction period shall not be
made without prior notice to Landlord and without making arrangements satisfactory to Landlord for payment by Tenant for such connections and service. 
 5. Tenant shall not engage any contractor for work respecting the Premises without Landlord’s prior written approval of such contractor. 
 B - 1 

 6. Tenant shall require its contractors to comply with all requirements of Landlord regarding
coordination of work in the property. 
 7. Tenant shall cause its contractors to remove and dispose of debris, rubbish, surplus materials
and temporary structures resulting from Tenant’s work in the Premises, as may be necessary to avoid interference with construction or when directed by Landlord. 
 8. Tenant shall cause its contractors to take all reasonable precautions to protect other work on the property from any damage owing to work performed by Tenant’s contractors; and Tenant shall indemnify Landlord
for any damage to any such other work caused by Tenant’s contractors. 
 9. If required by Landlord, Tenant shall cause it’s
contractors to finish performance and labor and material payment bonds from a reputable surety company and which shall include Tenant, Landlord, and other designees of Landlord as obligees, without cost to Landlord or its designees. 
 10. If, in the opinion of Landlord’s insurer, builder’s risk insurance is required to be carried on the improvements made by Tenant, in order
to prevent Landlord or its contractors from being deemed co-insurers under the builder’s risk insurance carried on the improvements constructed by Landlord, Tenant shall carry builder’s risk insurance on the work performed by Tenant in
such form and amounts as may be required by Landlord’s insurers. 
 11. All work performed my Tenant shall be performed in compliance
within applicable requirements. 
 12. Tenant shall cause its contractors to furnish the customary one year warranty against defects in
workmanship and materials, and in the event the Term does not commence or is terminated prior to the expiration of the warranty period, Landlord shall be entitled to the benefit of such warranties, which are hereby assigned to Landlord. 

13. If any labor dispute is caused by or related to any of Tenant’s contractors, subcontractors, or suppliers, Tenant shall, upon Landlord’s
demand, cause the contractor, subcontractor or supplier causing, involved in or related to such labor dispute to immediately cease work and deliveries in the Center until further notice from Landlord. 
 14. If Tenant shall perform any work or make any improvements in the Premises not conforming to the plans and specifications approved by Landlord, then
Tenant shall upon request by Landlord promptly make any changes needed to bring such work or improvements into conformity with approved plans and specs. If Tenant fails to make such requested changes promptly upon request by Landlord, then Landlord
may cause such changes to be made at Tenant’s expense; and Tenant shall pay the costs of such work as if such work were assigned to be done by the Landlord under Section B of this Exhibit B. 
 15. Landlord shall have no responsibility or liability whatever for any materials or equipment stored by Tenant or its contractors either in the Premises
or elsewhere in the property pursuant to paragraph 3 above. If Tenant desires insurance protection for such materials and equipment, it shall arrange for coverage at its expense. 
 16. Landlord acknowledges and agrees that Tenant shall be permitted to install a Paint Spray Booth in the warehouse area which shall be exhausted through
the roof, such installation to be done at Tenant’s sole cost and expense, and Tenant to meet all code requirements. 
 17. Landlord
acknowledges and agrees that Tenant shall be permitted to install phone, computer, and data cables in the walls of the Finished Area, and that Tenant shall be given at least 48 hours prior notice to accomplish such cable installation prior to
installation of any wall covering. There shall be three cables to each office, each cable terminating in a standard plastic electric receptacle box with one on one wall and two on the opposite wall. 
 18. Landlord acknowledges and agrees that Tenant shall be permitted at its sole cost to install and suspend from the overhead area a number of
fluorescent light fixtures. 
 B – 2 

 Exhibit B, page 3 
 E. Other Construction Provisions 
 1. Tenant may also install phone and data cables and
receptacles in the warehouse area at its discretion. 
 2. Landlord will construct and provide a concrete slab adequately sized for a standard trash dumpster
six feet wide and six feet long if this can be done reasonably and without the necessity of constructing a retaining wall. The slab will be sited immediately adjacent to the loading dock area so than it is readily accessible for pick-up and/or
emptying by a trash service vehicle. 
 Page B-3 

 GLENN DALE BUSINESS CENTER, LLC. 
 EXHIBIT C 
 COMMON FACILITIES COSTS 
 Operating costs for the common facilities shall mean, for the purpose of Paragraph 23 of the Lease, the total expenses incurred in operating and
maintaining the common facilities and any appurtenances thereto and facilities thereof (or in or on unpaved outdoor areas of the property or adjacent public streets or rights of way) or operating and maintaining leased facilities not for the
exclusive use of any tenant of the building, including but not limited to the following: 
 1. Gardening, landscaping, and maintenance of
grass, trees, and shrubbery; 
 2. All premiums for all insurance carried by the Landlord on the property, and on any equipment and systems
in or pertaining to the building or property, including but not limited to public liability insurance, property damage insurance, automobile insurance, sign insurance, fire and extended coverage insurance, boiler liability and casualty insurance,
and plate glass insurance (may be billed separately if fiscal year end and insurance year differ); 
 3. Watchman service and other security
service(s) and security equipment (but not for individual leased premises); 
 4. Water and sewer charges for the property; 
 5. Any costs, charges, and expenses incurred by Landlord in connection with any change of any company providing any utility service to the Premises,
including, without limitation, maintenance, repair, installation, and service costs associated therewith; 
 6 Building, repairs,
replacements and maintenance which is the responsibility of the Landlord and all other repairs, replacements and maintenance in and to the property, including but not limited to: paving, plate glass, sprinkler system (if applicable), restroom
facilities (if any) (and utility conduits and plumbing fixtures pertaining thereto) vehicle area lighting facilities, energy saving installations of any nature, drainage facilities and other utility conduits and facilities in the vehicle areas, and
in unpaved areas of the property or adjacent public streets, pumping stations and force mains (on and/or off site) utilized for sanitary sewer and water service in the property, signs and wiring, retaining walls, curbs, gutters, fences, sidewalks,
steps, escalators, elevators and ramps (if any) in the property or other outdoor areas or public streets; exclusive of casualty loss replacements covered by insurance, and exclusive of capital improvements; 
 7. Cleaning; 
 8. Utility charges (if any)
for lighting the vehicle areas, signs, and operating pumping stations, force mains and other like facilities; 
 9. Vehicle area line
painting, and removal of snow and ice; 
 10. Collection and removal of trash from the common facilities and outdoor areas, (if undertaken by
Landlord); 
 11. Power and fuel for operating equipment and systems and for operating vehicles and equipment used for cleaning, maintenance
and snow removal; 
 12. Salaries of personnel directly engaged in operating, cleaning and maintaining the property (including security
personnel and parking attendants), and all related payroll charges and taxes. 
 C - 1

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