Document:

Exhibit 10.7.3

 Exhibit 10.7.3 
 THIRD AMENDMENT TO LEASE 
 THIS THIRD AMENDMENT TO LEASE (hereinafter, the “Third
Amendment” is made this 29th day of March, 2004, by and between GLENN DALE BUSINESS CENTER, L.L.C., a Maryland limited liability company, having an office at c/o Continental Realty Corporation, 1427 Clarkview Road, Suite 500, Baltimore,
Maryland 21209-2100, as landlord (the “Landlord”) and TVI CORPORATION, A Maryland corporation, having an office at 7100 Holladay Tyler Road, Suite 200, Glenn Dale, Maryland 20769, as tenant (the “Tenant”). 
 RECITALS: 
 A. Landlord and Tenant
entered into a Lease dated February 16, 1998 (as amended by a first Amendment to Lease dated December 10, 2002, and a Second Amendment to Lease dated January 16, 2004, collectively, the “Lease”) for certain premises
containing 84,636 square feet and known as Suite 200 (7100 Holladay Tyler Road, Suite 200, Glenn Dale, Maryland 20769, the “Premises”) which are located in the Glenn Dale Business Center. 
 B. Landlord and Tenant desire to expand the Premises to include the adjacent space containing 33,637 square feet and to further amend the Lease based
upon the terms and conditions set forth in this Third Amendment. The total square footage of the Premises as of the Third Amendment Expansion Commencement Date (as herein defined) shall be 118,273 square feet. 
 NOW, THEREFORE, for and in consideration of the premises and of other good and valuable consideration, receipt of which is hereby acknowledged, the
parties hereto agree as follows: 
 1. Recitals. The Recitals noted above are hereby incorporated into and made part of this Third
Amendment. 
 2. Expansion of Premises. Tenant agrees that it shall expand the Premises to include the 33,637 square feet of space
immediately adjacent to Suite No 200 (the “Third Amendment Expansion Premises”), which is shaded with diagonal lines on the drawing attached hereto as Third Amendment Exhibit A and made a part hereof. The expansion shall be effective on
May 1, 2004 (the “Third Amendment Expansion Commencement Date”). Effective as of the Third Amendment Expansion Commencement Date, all references in the Lease in the “Premises”, shall be deemed to include the Third Amendment
Expansion Premises. 
 3. Landlord Work. Landlord shall, at its sole cost and expense, perform the following work in the Third
Amendment Expansion Premises prior to delivering the Third Amendment Expansion Premises to Tenant: (1) clean and paint the warehouse walls, (2) clean, service and paint the existing bathrooms and install new bathroom fixtures,
(3) open up knock out panels in the demising walls, and (4) upgrade the lighting to 400 watt metal halide. Notwithstanding the foregoing, Tenant shall have access to the Third Amendment Expansion Premises during the month of April, 2004,
for purposes of set up. All other work necessary to prepare the Third Amendment Expansion Premises for Tenant’s use shall be the sole responsibility of Tenant at Tenant’s sole cost and expense. Tenant shall obtain landlord’s written
approval of Tenant’s plans and specifications for any Tenant work in the Third Amendment Expansion Premises before commencing any such work; such approval shall not be unreasonably withheld or delayed by Landlord. 
 4. Extension of Existing Lease Term. The existing Lease Term for the 63,839 square feet in Suite 200, the 20,797 square feet in the Expansion
Premises per the Second Amendment to Lease, and the 33,637 square feet in the Third Amendment Expansion Premises (collectively, the Premises), currently scheduled to expire on February 28, 2009, shall be extended as of the Third Amendment
Expansion Commencement Date to terminate on April 30, 2010 (the “Third Amendment Extended Term”), unless terminated earlier in accordance with the provisions of the Lease. The Third Amendment Extended Term shall be on the same terms,
covenants and conditions as the original term, except that the Minimum Rent shall be adjusted as provided herein, and there shall be no further right of renewal after the Third Amendment Extended Term except as specifically provided for herein.

 5. Minimum Rent. Commencing on May 1, 2004, the rent or minimum rent (hereinafter, the “Minimum Rent”) for the
Premises for the Third Amendment Extended Term shall be as shown on the tables below. 

 (a) for the 63,839 square feet of space in Suite 200, Tenant agrees to pay Landlord: 
  

										
	 Payment Period
	  	 Minimum Rent
Per Square
 Foot
	  	Annual Minimum
Rent	  	Monthly Minimum
Rent Payment
	 02/01/04-01/31/05
	  	$	4.59	  	$	293,021.01	  	$	24,418.42
	 02/01/05-01/31/06
	  	$	4.68	  	$	298,766.52	  	$	24,897.21
	 02/01/06-01/31/07
	  	$	4.77	  	$	304,512.03	  	$	25,376.00
	 02/01/07-01/31/08
	  	$	4.87	  	$	310,895.93	  	$	25,908.00
	 02/01/08-02/28/09
	  	$	4.97	  	$	317,279.83	  	$	26,439.99
	 02/01/09-02/28/10
	  	$	5.07	  	$	323,663.73	  	$	26,971.98
	 02/01/10-04/30/10
	  	$	5.17	  	$	330,047.63	  	$	27,503.97

 (b) For the 20,797 square feet of space in the Expansion Premises as set forth in the Second
Amendment to Lease hereinafter, the “Second Amendment Expansion Premises”), Tenant agrees to pay Landlord: 
  

										
	 Payment Period
	  	 Minimum Rent
Per Square
 Foot
	  	Annual Minimum
Rent	  	Monthly Minimum
Rent Payment
	 03/01/04-02/28/05
	  	$	5.50	  	$	114,384.50	  	$	9,531.96
	 03/01/05-02/28/06
	  	$	5.61	  	$	116,671.17	  	$	9,722.60
	 03/01/06-02/28/07
	  	$	5.72	  	$	118,958.84	  	$	9,913.24
	 03/01/07-02/29/08
	  	$	5.83	  	$	121,246.51	  	$	10,103.88
	 0/01/08-02/28/09
	  	$	5.95	  	$	123,742.15	  	$	10,311.85
	 03/01/09-02/28/10
	  	$	6.07	  	$	126,237.79	  	$	10,519.82
	 03/01/10-04/30/10
	  	$	6.19	  	$	128,733.43	  	$	10,727.79

 (c) For the 33,637 square feet of space in the Third Amendment Expansion Premises, Tenant agrees
to pay Landlord: 
  

										
	 Payment Period
	  	 Minimum Rent
Per Square
 Foot
	  	Annual Minimum
Rent	  	Monthly Minimum
Rent Payment
	 05/01/04-02/28/05
	  	$	5.00	  	$	168,185.00	  	$	14,015.42
	 03/01/05-02/28/06
	  	$	5.10	  	$	171,548.70	  	$	14,295.73
	 03/01/06-02/28/07
	  	$	5.20	  	$	174,912.40	  	$	14,576.03
	 03/01/07-02/29/08
	  	$	5.30	  	$	178,276.10	  	$	14,856.34
	 03/01/08-02/28/09
	  	$	5.41	  	$	181,976.17	  	$	15,164.68
	 03/01/09-02/28/10
	  	$	5.52	  	$	185,676.24	  	$	15,473.02
	 03/01/10-04/30/10
	  	$	5.63	  	$	189,376.31	  	$	15,781.36

 (d) Therefore, Tenant’s monthly payment obligation pursuant to (a), (b) and
(c) above for the Lease Term shall be as follows: 
  

							
	 Payment Period
	  	 Annual Minimum
 Rent
	  	Monthly Minimum
Rent Payment
	 05/01/04-01/31/05
	  	$	575,590.51	  	$	47,965.88
	 02/01/05-02/28/05
	  	$	581,336.02	  	$	48,444.67
	 03/01/05-01/31/06
	  	$	586,986.39	  	$	48,915.53
	 02/01/06-02/28/06
	  	$	592,731.90	  	$	49,394.33
	 03/01/06-01/31/07
	  	$	598,382.87	  	$	49,865.24
	 02/01/07-02/28/07
	  	$	604,767.17	  	$	50,397.26
	 03/01/07-01/31/08
	  	$	610,418.54	  	$	50,868.21
	 02/01/08-02/29/08
	  	$	616,802.44	  	$	51,400.20
	 03/01/08-02/28/09
	  	$	622,998.15	  	$	51,916.51
	 03/01/09-02/28/10
	  	$	635,577.76	  	$	52,964.81
	 03/01/10-04/30/10
	  	$	648,157.37	  	$	54,013.11

 6. Minimum Rent Abatement. Notwithstanding anything Section 5 above to the contrary, as partial
inducement for Tenant to execute this Third Amendment, Landlord agrees to abate Minimum Rent for the Third Amendment Expansion Premise only (the “Abatement”) as follows: for the period commencing May 1, 2004 through August 31,
2004, Minimum Rent shall be abated in full. Tenant acknowledges that the Abatement does not pertain to the additional charges and that Tenant shall be responsible for its pro rata share of Real Estate Taxes, Common Facilities Costs and 

 
Insurance as set forth in the Lease. Landlord and Tenant agree that the Abatement is expressly conditioned upon Tenant remaining free of default under the
Lease (after written notice from Landlord and beyond any applicable cure period), for the entire Lease Term. Upon the occurrence of an event of default on the part of Tenant which is uncured beyond any applicable cure period, Landlord may rescind
the Abatement, and promptly upon demand by Landlord Tenant shall pay as rent hereunder, the full amount of the Abatement. 
 7. Security
Deposit. Landlord hereby acknowledges that it currently holds Thirty Three Thousand Four Hundred Seventy and 63/100 Dollars ($33,470.63) previously paid by Tenant as security for the faithful performance by Tenant of all of the terms, covenants
and conditions of the Lease. Tenant agrees to pay Landlord an additional security deposit of Fourteen Thousand Five Hundred Dollars ($14,500.00) contemporaneously with its execution of this Third Amendment. Upon Landlord’s receipt of such
payment, the total security deposit on account for Tenant under the Lease shall be Forty Seven Thousand Nine Hundred Seventy and 63/100 Dollars ($47,970.63). 
 8. Additional Charges. Tenant currently pays its proportionate share of Real Estate Taxes, Common Facilities Costs and Insurance pursuant to the Lease. Effective May 1, 2004, Tenant’s proportionate
share shall be increased to 118,273/310,000, or 38.2%. 
 9. Parking. Tenant shall have the use of one hundred twenty five
(125) parking spaces, as marked on Third Amendment Exhibit B attached hereto and made a part hereof. 
 10. Broker. Each of the
parties represents and warrants that there are no claims for brokerage commissions or finders fees in connection with the execution of this Third Amendment, and each of the parties agrees to indemnity and save harmless the other party from and
against all liabilities arising from any such claim including, without limitation, the cost of attorneys’ fees in connection therewith. 
 11. Financial Statements. From time to time Landlord may request, and Tenant hereby agrees to provide, within ten (10) days after the receipt of any such request, the financial statements of Tenant. Tenant represents and
warrants to Landlord that all financial statements delivered to Landlord are or will be (if delivered in the future) true and accurate in all material respects. If Tenant shall deliver to Landlord any such financial statements which are materially
inaccurate, then such delivery shall be deemed to be a default under the Lease. 
 12. Access to Overhead Door. Tenant shall have
drive in access to one (1) overhead door in the Third Amendment Expansion Premises. 
 13. General. Except as otherwise expressly
amended herein, all other terms and conditions of the Lease shall remain unchanged and in full force and effect. In the event of any conflict between the terms of the Lease and there terms of this Third Amendment, the terms of this Third Amendment
shall control. All undefined capitalized terms contained herein shall have the definitions assigned to them in the Lease. Landlord and Tenant agree and intend that (a) the Lease constitutes a contract under seal, and (b) the twelve
(12) year statute of limitations period under Section 5-102 of the Courts & Judicial Proceedings Article of the Annotated Code of Maryland (“Courts Article”) shall govern the limitations period under the Lease rather
than the three (3) year limitations period under Section 5-101 of the Courts Article. 
 BALANCE OF PAGE INTENTIONALLY BLANK

 IN WITNESS WHEREOF, the parties hereto have executed this Third Amendment to Lease under their respective
hands and seals as of the day and year first above written. 
  

							
	WITNESS:	 	 LANDLORD:
 GLENN DALE BUSINESS

CENTER L.L.C.
	 	
	 Shanna M. Hayward
	 	By:	 	 GDBC Manager, Inc., its Manager
  
	 	
	 	By:	 	 /s/ Lawrence G. Rief
	 	(SEAL)
	 		 	Lawrence G. Rief, Vice President	 	
			
	WITNESS:	 	 TENANT:
 TVI CORPORATION
	 	
				
	 Madeline M. McCormick
	 	By:	 	 /s/ Richard V. Priddy
	 	(SEAL)
		 		 	Richard V. Priddy, President and CEO	 	

 STATE OF MARYLAND, COUNTY OF BALTIMORE, to-wit: 
 On this 14th day of April, 2004, before me, the subscribed, a Notary Public of’ the State aforesaid, personally appeared 
 LAWRENCE G. RIEF, 
 Vice-President of the Manager for the
above-named Landlord, and he acknowledged the above Third Amendment to Lease to be the act of the Landlord. 
 IN WITNESS WHEREOF, I hereunto
set my hand and Notarial Seal. 
  

	
	 /s/ Shanna M. Hayward

 My commission expires: 11/1/2007 
 STATE OF MARYLAND , COUNTY OF BALTIMORE, to-wit: 
 On this 29th day of March, 2004, before me, the subscribed, a Notary Public of’ the State aforesaid, personally appeared 
 RICHARD V. PRIDDY, 
 President and CEO of the above-named Tenant, and he acknowledged the above Third Amendment to Lease to
be the act of the Tenant. 
 IN WITNESS WHEREOF, I hereunto set my hand and Notarial Seal. 
  

	
	 /s/ Madeline M. McCormick

 My commission expires: September 25, 2007 

 THIRD AMENDMENT EXHIBIT A – Plan Showing Expansion Premises 
 Graphic Omitted 

 SECOND AMENDMENT EXHIBIT B– Plan Showing Parking Lot 
 Graphic OmittedExhibit 10.8

 Exhibit 10.8 
 THIS LEASE is made and entered into this 22 day of              2003 by and between ADMAR CONSTRUCTION, INC. (hereinafter referred to as
the “Landlord”) and MICRONEL INC (hereinafter referred to as “Tenant”). 
 WITNESSETH, that for and in
consideration of the mutual covenants and agreements hereinafter set forth, the parties hereto do hereby mutually agree as follows: 
 1.
Demised Premises. Landlord does hereby lease to Tenant, and Tenant does hereby lease from Landlord, for the term and upon the conditions hereinafter provided, approximately 11,880 office/warehouse square feet of space in the ADMAR
BUILDING 2 (hereinafter referred to as the “Building”) situated at 5703 INDUSTRY LANE FREDERICK, MD 21704 (such space being hereinafter referred to as the “Demised Premises”). The Demised Premises (better known as
A, Am, B, C, D, E, F, G, H, I and J) is outlined in red on the plan attached hereto and made a part hereof as Exhibit A. 
 2. Term.
The term of this Lease shall be for a period of Five years commencing upon the Lease commencement Date (hereinafter defined and expiring at midnight on June 15, 2008. The Lease Commencement Date shall be June 15, 2003.

 3. Rent. The Tenant shall pay as rent for the Demised Premises the sum of One hundred seventeen thousand six hundred Dollars
$117,600.00 annually, payable in equal monthly installments, in advance of Nine thousand eight hundred Dollars ($ 9,800.00) on the first day of each and every calendar month during the term hereof. If the Term of this Lease
begins on a date other than on the first day of a month, rent from such date until the first day of the following month shall be prorated at the rate of one-thirtieth (1/30) of the fixed monthly rental for each day payable in advance. The
Tenant will pay said rent to Landlord, at the office of: ADMAR CONSTRUCTION, INC. 5705 INDUSTRY LANE FREDERICK, MD 21704, or to such other party or to such other address as Landlord may designate from time to time by written notice to Tenant,
without demand deduction, set-off or counterclaim. If Landlord shall at any time accept said rent after it shall become due and payable, such acceptance shall not excuse delay upon subsequent occasions, or constitute, or be construed as, a waiver of
any or all of the Landlord’s rights hereunder. 
 4. Use of Demised Premises. Tenant will use and occupy the Demised Premises
solely for Design & Production of Personnel Protection Equipment and in accordance with the use permitted under applicable zoning regulations. Without the prior written consent of Landlord, the Demised Premises will not be used for
any other purpose. Tenant will not use or occupy the Demised Premises for any unlawful purpose, and will comply with all present and future laws, ordinances, regulations, and orders of the United States of America, the State of Maryland and any
other public authority having jurisdiction over the Demised Premises. 
 5. Assignment and Subletting. Tenant will not assign,
transfer, mortgage or encumber this Lease or sublet or rent (or permit occupancy or use of) the Demised Premises, or any part thereof, without obtaining the prior written consent of Landlord; nor shall any assignment or transfer of this Lease be
effectuated by operation of law or otherwise without the prior written consent of Landlord. The consent by Landlord to any assignment or subletting shall 

 not be construed as a waiver or release of Tenant from the terms of any covenant or obligation under this Lease, nor
shall the collection or acceptance of rent from any such assignee, subtenant or occupant constitute a waiver or release of Tenant of any covenant or obligation contained in this Lease, nor shall any such assignment or subletting be construed to
relieve Tenant from obtaining the consent in writing of Landlord to any further assignment or subletting. In the event that Tenant defaults hereunder, Tenant hereby assigns to Landlord the rent due from any subtenant Landlord. 
 6. Maintenance by Tenant. Tenant will keep the Demised Premises and the fixtures and equipment therein in clean, safe and sanitary condition, will
take good care thereof, will suffer no waste or injury thereto, and will, at the expiration or other termination of the term of this Lease, surrender the same, broom clean, in the same order and condition in which they are on the commencement of the
term of this Lease, ordinary wear and tear and damage by the elements excepted. 
 7. Alterations. Tenant will not make or permit
anyone to make any alterations, decorations, additions or improvements, structural or otherwise, in or to the Demised Premises or the Building without the prior written consent of Landlord. As a condition precedent to such written consent of
Landlord, Tenant agrees to obtain and deliver to Landlord written and unconditional waivers of mechanics’ liens upon the real property of which the performed, and materials to be unconditional waivers of mechanics’ liens upon the real
property of which the Demised Premises are a part, for all work, labor, and services to be performed, and materials to be furnished, by them in connection with such work, signed by all contractors, subcontractors, materialmen and laborers to become
involved in such work. If notwithstanding the foregoing, any mechanics’ lien is filed against the Demised Premises, or the real property of which the Demised Premises are a part, for work claimed to have been done for, or materials claimed to
have been furnished to, Tenant, such mechanics’ lien shall be discharged by Tenant within ten (10) days thereafter, at Tenant’s sole cost and expensed by the payment thereof or by filing any bond required by law. If Tenant shall fail
to discharge any such mechanics’ lien, Landlord may, at its option, discharge the same and treat the cost thereof as additional rent payable with the monthly installment of rent next becoming due; it being hereby expressly covenanted and agreed
that such discharge by Landlord shall not be deemed to waive, or release the default of Tenant in not discharging the same. Tenant will indemnify and hold Landlord harmless from and against any and all expenses, liens, claims or damages to person or
property which may or might arise by reason of the making of any such alterations, decorations, additions or improvements. If any such alteration, decoration, addition or improvement is made without the prior written consent of Landlord, Landlord
may correct or remove the same, the Tenant shall be liable for any and all expenses incurred by Landlord in the performance of this work. All alterations, decorations, additions or improvements in or to the Demised Premises or the Building made by
either party shall immediately become the property of Landlord and shall remain upon and be surrendered with the Demised Premises as a part thereof at the end of the term hereof without disturbance, molestation or injury; provided, however, that if
Tenant is not in default in the performance of any of its obligations under this Lease, Tenant shall have the right to remove, prior to the expiration or termination of the term of this Lease, all movable furniture, furnishings or equipment
installed in the Demised Premises at the expense of Tenant, and if such property of Tenant is not removed by Tenant prior to the expiration or termination of this Lease, the same shall become the property of Landlord and shall be surrendered with
the Demised Premises as a part thereof. 

 8. Signs; Furnishings. No sign, advertisement or notice shall be inscribed, painted, affixed or
displayed on any part of the outside or the inside of the Building except on the directories and the doors of offices, and then only in such place, number, size, color and style as is approved by Landlord, and if any such sign, advertisement or
notice is exhibited, Landlord shall have the right to remove the same and Tenant shall be liable for any and all expenses incurred by Landlord by said approval. Any such permitted use, including directories and name plates, shall be at the sole
expense and cost of the Tenant. Landlord shall have the right to prohibit any advertisement of Tenant which in its opinion tends to impair the reputation of the Building or its desirability as a high quality office building, and, upon written notice
from Landlord, Tenant shall immediately refrain from and discontinue any such advertisement 
 Any and all damage or injury to the Demised Premises or the
Building caused by moving the property of Tenant into, in or out of the Demised Premises, or due to the same being on the equipment or other bulky matter of any description will be received into the Building or carried in the elevators except as
approved by Landlord. Tenant agrees promptly to remove from the sidewalks adjacent to the Building any of the Tenant’s furniture, equipment or other material there delivered or deposited. 
 9. Inspection. Tenant will permit Landlord, or its representative, to enter the Demised Premises, without charge therefor to Landlord and without
diminution of the rent payable by Tenant, to examine, inspect and protect the same, and to make such alterations and/or repairs as in the judgment of Landlord may be deemed necessary, or to exhibit the same to prospective tenants during the last one
hundred twenty (120) days of the Term of this Lease. 
 10. Insurance Rating. Tenant will not conduct or permit to be conducted
any activity, or place any equipment in or about the Demised Premises, which will, in any way, increase the rate of fire insurance or other insurance on the Building; and if any increase in the rate of fire insurance or other insurance is stated by
any insurance company or by the applicable Insurance Rating Bureau to be due to activity or equipment in or about the Demised Premises, such statement shall be conclusive evidence that the increase in such rate is due to such activity or equipment,
and as a result thereof, Tenant shall be liable for such increase and shall reimburse Landlord therefore. The Tenant shall be responsible for carrying insurance on the contents of its rented unit and shall be responsible for securing its own
liability insurance. 
 11. Tenant’s Equipment. Tenant will not install or operate in the Demised Premises any equipment other
than that which is necessary to conduct Tenant’s operation as Manufacture of Personnel Protection Equipment, without first obtaining the prior written consent of Landlord, who may condition such consent upon the payment by Tenant of
additional rent in compensation for such excess consumption of utilities and for the cost of additional wiring as may be occasioned by the operation of said equipment or machinery. Tenant shall not install any other equipment of any kind or nature
whatsoever which will or may necessitate any changes, replacements or additions to, or in the use of, the water system, heating system, plumbing system, air conditioning system, or electrical system of the Demised Premises or the Building

 without first obtaining the prior written consent of Landlord. Business machines and mechanical equipment belonging to
Tenant which cause noise or vibration that may be transmitted to the structure of the Building or to any space therein to such a degree as to be objectionable to Landlord or to any tenant in the Building shall be installed and maintained by Tenant,
at Tenant’s expense, on vibration eliminators or other devices sufficient to eliminate such noise vibration. 
 12. Indemnity.
Tenant will indemnify and hold harmless Landlord from and against any loss, damage or liability occasioned by or resulting from any default hereunder or any willful or negligent act on the part of Tenant, its agents, employees, or invitees, or
persons permitted on the Demised Premises by Tenant. Tenant agrees to procure and keep in force, at its expense, public liability insurance coverage on the Demised Premises. If requested by Landlord, a certificate of such coverage from the insurer
providing thirty (30) days’ notice to Landlord prior to cancellation or termination shall be furnished to Landlord. 
 13.
Common Area. Tenant shall pay their pro rata share of common area maintenance. Common area maintenance costs shall include all costs and expenses of every kind and nature as may be paid or incurred by Landlord in operating, policing,
protecting, managing, equipping, lighting, repairing, replacing and maintaining the common areas and common facilities, including, but not limited to, the cost and expenses of: 
  

	 	a.	gardening, landscaping and maintenance of grass, trees and shrubbery; 

  

	 	b.	utility charges and other costs of lighting the common areas, the vehicle areas, building signs and other like facilities; 

  

	 	c.	designated parking spaces line painting, and removal of snow and ice; 

  

	 	d.	collection and removal of trash from all outdoor areas in and around the building. 

 The tenant’s share of this cost is $761.00 per month in addition to said rent; subject to yearly review. 
 14. Services and Utilities: The Tenant is aware that its rented unit has its own individually controlled heating units and utility meters and that
it is responsible for the payment of those charges. 
 15. Insolvency or Bankruptcy of Tenant. In the event Tenant makes an assignment
for the benefit of creditors, or a receiver of Tenant’s assets is appointed, or Tenant files a voluntary petition in any bankruptcy or insolvency proceeding, or an involuntary petition in any bankruptcy or insolvency proceeding is filed against
Tenant and the same is not discharged within sixty (60) days, or Tenant is adjudicated a bankrupt, Landlord shall have the option of terminating this Lease by sending written notice to Tenant of such termination; and, upon such written notice
being given by Landlord to Tenant, the term of this Lease shall, at the option of Landlord, end and Landlord shall be entitled to immediate possession of the Demised Premises and to recover damages from Tenant in accordance with the provisions of
Article 17 thereof. 
 16. Liability of Landlord. Landlord shall not be liable to Tenant, its employees, agents, business invitees,
licensees, customers, clients, family members, guests, or trespassers for 

 any damage, compensation or claim arising from the necessity of repairing any portion of the Building, the interruption
in the use of the Demised Premises, accident or damage resulting from the use or operation (by Landlord, Tenant, or any other person or persons whatsoever) of heating, cooling, electrical or plumbing equipment or apparatus, or the termination of
this Lease by reason of the destruction of the Demised Premises, or from any fire, robbery, theft and/or any other casualty, or from any leakage in any part or portion of the Demised Premises or the Building, or from water, rain or snow that may
leak into, or flow from, any part of the Demised Premises of the Building, or from drains, pipes or plumbing work in the Building or from any other cause whatsoever. 
 17. Damage to the Demised Premises. If the Demised Premises shall be partially damaged by fire or other cause without the fault or neglect of Tenant, Landlord shall diligently and as soon as practicable after
such damage occurs (taking into account the time necessary to effectuate a satisfactory settlement with any insurance company) repair such damage at the expense of the Landlord and the rent, prorated to the extent that the Demised Premises are
rendered untenantable, shall be suspended until such repairs are completed, provided. however, that if the Building is damaged by fire or other cause to such extent that the damage cannot be fully repaired within sixty (60) days from the date
of such damage, Landlord shall have the option of terminating this Lease by giving written notice to Tenant of such decision and the term of this Lease shall terminate on the day such notice is given. 
 18. Default of Tenant. If Tenant shall fail to pay any monthly installment of rent as aforesaid (although no legal or formal demand has been made
therefor), or shall violate or fail to perform any of the other conditions, covenants or agreements herein made by Tenant, and such failure to pay rent or such violation or failure shall continue for a period often (10) days after written
notice thereof to Tenant by Landlord, then and in any of said events this Lease shall, at the option of Landlord, cease and terminate and shall operate as a notice to quit, any notice to quit, or of Landlord’s intention to re-enter, being
hereby expressly waived, and Landlord may proceed to recover possession under and by virtue of the provisions of the laws of the State of Maryland, or by such other proceedings, including re-entry and possession, as may be applicable. If Landlord
elects to terminate this Lease, everything herein contained on the part of Landlord to be done and performed shall cease without prejudice, however, to the right of Landlord to recover from Tenant all rental accrued up to the time of termination or
recovery of possession by Landlord, whichever is later. Should this Lease by reason of Tenant’s default as hereinabove provided, or if Tenant shall abandon or vacate the Demised Premises before the expiration or termination of the Term of this
Lease, the Demised premises may be relet by Landlord for such rent and upon such terms as are not unreasonable under the circumstances and, if the full rental hereinabove provided shall not be realized by Landlord, Tenant shall be liable for all
damages sustained by Landlord, including, without limitation deficiency in rent, reasonable attorneys’ fees, brokerage fees, and expenses of placing the Demised Premises in first class rentable condition. Any damage or loss of rental sustained
by in separate actions, from time to time, as said damage shall have been made more easily ascertainable by successive relettings, or, at Landlord’s option, may be deferred until the expiration of the term of this Lease, in which event the
cause of action shall not be deemed to have accrued until the date of expiration of said term. If Landlord should commence any summary proceeding for non-payment of rent by Tenant, Tenant shall not interpose any counterclaim of any nature or
description in any such proceeding. 

 The provisions contained in this paragraph shall be in addition to and shall not prevent the enforcement of any claim
Landlord may have against Tenant for anticipatory breach of the unexpired term of this Lease. In the event that Tenant continues to occupy the Demised Premises after the expiration of the term of this Lease, with the express or implied consent of
Landlord, such tenancy shall be from month-to-month and shall not be renewal of the term of this Lease or tenancy from year-to year. All rights and remedies of Landlord under this Lease shall be cumulative and shall not be exclusive of any other
rights and remedies provided to Landlord under applicable law. 
 19. Waiver. If under the provisions hereof Landlord shall institute
proceedings and a compromise or settlement thereof shall be made, the same shall not constitute a waiver of any covenant herein contained nor of any of Landlord’s rights hereunder. No waiver by Landlord of any breach of any covenant, condition
or agreement herein contained shall operate as a waiver of such covenant, condition, or agreement itself, or of any subsequent breach thereof. No payment by Tenant or receipt by Landlord of a lesser amount than the monthly installments of rent
herein stipulated shall be deemed to other than the monthly installments of rent herein stipulated shall be deemed to other than on account of the earliest stipulated rent nor shall any endorsement or statement on any check or letter accompanying a
check for payment of rent be deemed an accord and satisfaction, and Landlord may accept such check or payment without prejudice to Landlord’s right to recover the balance of such rent or to pursue any other remedy provided in this Lease. No
re-entry by Landlord, and no acceptance by Landlord of keys from Tenant, shall be considered an acceptance of a surrender of the Lease. 
 20. Subordination. This Lease is subject and subordinate to the lien of all and any mortgages (which term “mortgages” shall include both construction and permanent financing and shall include deeds of trust and similar
security instruments) which may now or hereafter encumber or otherwise affect the real estate (including the Building of which the Demised Premises form a part, or Landlord’s leasehold interest therein, and to all and any renewals, extensions,
modifications, recastings or refinancings thereof. In confirmation of such subordination, Tenant shall, at Landlord’s request, promptly execute any requisite or appropriate certificate or other document. Tenant hereby constitutes and appoints
Landlord as Tenant’s attorney-in-fact to execute any such certificate or certificates for or on behalf of Tenant. Tenant agree that in the event that any proceedings are brought for the foreclosure of any such mortgage, Tenant shall atone to
the purchaser at such foreclosure sale, if requested to do so by such purchaser, and to recognize such purchaser as the Landlord under this Lease, and Tenant waives the provisions of any statute or rule of law, nor or hereafter in effect, which may
give or purport to give Tenant any right to terminate or otherwise adversely affect this Lease and the obligations of Tenant hereunder in the event that any such foreclosure proceeding is prosecuted or completed. Tenant agrees that this Lease shall
subordinate to any mortgages or deeds of trust that may be placed upon any building, structure and/or any part thereof, or the land and to any and all advances to be made thereunder, and to the interest thereon, and to all renewals, replacements,
and extensions thereof by Landlord. Should any mortgage or deed of trust executed by Tenant, it shall be subordinate to this Lease. Within ten (10) days after request from Landlord, or in the event that upon any sale, assignment or
hypothecation of the Premises and/or land thereunder by Landlord, an estoppel certificate shall be required from Tenant, Tenant agrees to deliver to any proposed mortgagee or purchase or to the Landlord, in recordable form, a certificate certifying
(if such be the case) that this Lease is in full force and effect, that there are no defenses or offsets thereto, or stating those claimed by Tenant. 

 21. Condemnation. If the whole or a substantial part of the Demised Premises shall be taken or
condemned by any governmental authority for any public or quasi-public use or in such governmental authority, and Tenant shall have no claim against Landlord (or otherwise) for any portion of the amount that may be awarded as damages as a result of
such taking or condemnation or for the value of any unexpired term of the Lease. The annual rental, however, shall be abated on the date when such title vests in such governmental authority. lf less than a substantial part of the Demised Premises is
taken or condemned by any governmental authority for any public or quasi-public use or purpose, the rent shall be equitably adjusted on the date when title vests in such governmental authority and the Lease shall otherwise continue in full force and
effect. For purposes of this Article 20, a substantial part of the Demised Premises shall be considered to have been taken if more than fifty percent (50%) of the Demised Premises are unusable by Tenant. 
 22. Covenants of Landlord. Landlord covenants that it has the right to make this Lease for the term aforesaid, and that if Tenant shall pay the
rental and perform all of the covenants, terms and conditions of this Lease to be performed by Tenant. Tenant shall, during the term hereby created, freely, peaceably and quietly occupy and enjoy the full possession of the Demised Premises without
molestation or hindrance by Landlord or any party claiming through or under Landlord. 
 23. No Partnership. Nothing contained in this
Lease shall be deemed or construed to create a partnership or joint venture of or between Landlord and Tenant, or to create any other relationship between the parties hereto other than that of Landlord and Tenant. 
 24. No Representations by Landlord. Neither Landlord nor any agent or employee of Landlord has made any representations or promises with respect
to the Demised Premises or the Building except as herein expressly set forth, and no rights, privileges, easements or licenses are acquired by Tenant except as herein expressly set forth. The Tenant, by taking possession of the Demised Premises,
shall accept the same “as is,” and such taking of possession shall be conclusive evidence that the Demised Premises and the Building are in good and satisfactory condition at the time of such taking of possession. 
 25. Brokers. Landlord and Tenant each represent and warrant one to another that neither of them has employed any broker in carrying on the
negotiations relating to this Lease. Landlord shall indemnify and hold Tenant harmless, and Tenant shall indemnify and hold Landlord harmless from and against any claim or claims for brokerage or other commission arising from or out of any breach of
the foregoing representation and warranty by the respective indemnitors. 
 26. Waiver of Jury Trial. Landlord and Tenant hereby waive
trial by jury in any action, proceeding or counterclaim brought by either of the parties hereto against the other on or in respect of any matter whatsoever arising out of or in any way connected with this Lease, the relationship of Landlord and
Tenant hereunder, Tenant’s use or occupancy of the Demised Premises, and/or claim by injury or damage. 

 27. Notices. All notices or other communications hereunder shall be in writing and shall be deemed
duly given if delivered in person or by the United States Postal Service, Certified or Registered Mail, Return Receipt Requested, First Class, Postage Prepaid, (i) if to Landlord to: Admar Construction, Inc. 5705 Industry Lane Frederick, MD and
(ii) if to Tenant, at Suite A at 5703 Industry Lane Frederick, MD unless notice of a change of address is given pursuant to the provisions of this article. 
 28. Estoppel Certificates. Tenant agrees, at any time and from time to time, upon not less than five (5) days prior written notice by
Landlord, to execute, acknowledge and deliver to Landlord a statement in writing (i) certifying that this Lease is unmodified and in full force and effect (or if there have been modifications, that the Lease is in full force and effect as
modified and stating the modifications), (ii) stating the dates to which the rent and other charges hereunder have been paid by Tenant, (iii) stating whether or not to the best knowledge of Tenant, Landlord is in default in the performance
of any covenant, agreement or condition contained in this Lease, and, if so, specifying each such default of which Tenant may have knowledge, and (iv) stating the address to which notices to Tenant should be sent pursuant to Article 28 hereof.
Any such statement delivered pursuant hereto may be relied upon by any owner of the Building, any prospective purchaser of the Building, any mortgagee of prospective mortgagee of the Building or of Landlord’s interest, or any prospective
assignee of any such mortgage. 
 29. Security Deposit. Simultaneously with the execution of this Lease, Tenant shall deposit with
Landlord the sum of $2000.00 as a security deposit. Such security deposit (which shall not bear interest to Tenant) shall be considered as security for the payment and performance by Tenant of all of Tenant’s obligations, covenants,
conditions and agreements under this Lease. Upon the expiration of the term hereof, Landlord shall (provided that Tenant is not in default under the terms hereof) return and pay back such security deposit to Tenant, less such portion thereof as
Landlord shall have appropriated to make good any default by Tenant with respect to any of Tenant’s aforesaid obligations, covenants, conditions or agreements. In the event of any default by Tenant hereunder, Landlord shall have the right but
shall not be obligated, to apply all or any portion of the security deposit to cure such default, in which event Tenant shall be obligated to promptly deposit with Landlord the amount necessary to restore the security deposit to its original amount.
In the event or the sale or transfer of Landlord’s interest in the Building, Landlord shall have the right to transfer the security deposit to such purchaser or transferee, in which event Tenant shall be entitled to look to the new Landlord for
the return of the security deposit and Landlord shall thereupon be released from all liability to Tenant for the return of such security deposit. 
 30. Holding Over. Tenant shall give the Landlord notice in writing at least three (3) months prior to the expiration of the term of this Lease of Tenant’s intention to vacate the Demised Premises. In the event that Tenant
shall not immediately surrender the Demised Premises on the date of expiration of the term hereof, Tenant shall, by virtue of the provisions hereof, become a Tenant by the month at the monthly rental in effect during the last month of the term of
this Lease, which said monthly tenancy shall commence with the first day next after the 

 expiration of the term of this Lease. The Tenant as a monthly tenant shall be subject to all the conditions and covenants
of this Lease as though the same had originally been a monthly tenancy. Tenant shall give to Landlord at least thirty (30) days’ written notice of any intention to quit the Demised Premises, and Tenant shall be entitled to thirty
(30) days’ written notice to quit the Demised Premises, except in the event of nonpayment of rent in advance or of the breach of any other covenant by the Tenant, in which event Tenant shall not be entitled to any notice to quit, the usual
thirty’ (30) days’ notice to quit being hereby expressly waived. Notwithstanding the foregoing provisions of this article 31, in the event that Tenant shall hold over after the expiration of the term hereby created, and if Landlord
shall desire to regain possession of the Demised Premises promptly at the expiration of the term of this Lease, then at any time prior to Landlord’s acceptance of rent from Tenant as a monthly tenant hereunder, Landlord, at its option, may
forthwith re-enter and take possession of the Demised Premises without process, or by any legal process in force in Maryland. 
 31. Right
of Landlord to Cure Tenant’s Default. If Tenant defaults in the making of any payment or in the doing of any act herein required to be made or done by Tenant, then Landlord may, but shall not be required to, make such payment or do such
act, and the amount of the expense thereof, of made or done by Landlord, with interest thereon at the rate of eight percent (8%) per annum from the date paid by Landlord, shall be paid by Tenant to Landlord and shall constitute additional rent
hereunder due and payable with the next monthly installment of rent; but the making of such payment or the doing of such act by Landlord shall not operate to cure such default or to stop Landlord from the pursuit of any remedy to which Landlord
would otherwise be entitled. Any installment of rent which is not paid by Tenant within ten (10) days after the same becomes due and payable (in addition to the late charge penalty) shall bear interest at the rate of eight percent (8%) per
annum from the date such installment became due and payable to the date of payment thereof by Tenant, and such interest shall constitute additional rent hereunder due and payable with the next monthly installment of rent. 
 32. Benefit and Burden. The provisions of this Lease shall be binding upon, and shall inure to the benefit of the parties hereto and each
of their respective representatives, successors and assigns. Landlord may freely and fully assign its interest hereunder. 
 33. Annual
Increase. At the end of every year, the yearly rent computed as set forth in Number 3 shall be increased by three percent (3%). 
 34.
Late Charge. A late charge of five percent (5%) will be assessed on any rent received after the tenth (10th) day of the month. If Tenant’s rental is paid by check, Tenant agrees to pay Landlord additional rent of five percent
(5%) if Tenant’s bank refuses, on second demand, to pay any such rental check. 
 35. First Right of Refusal.
Landlord grants tenant First Right of Refusal on additional spaces shown by dotted red line on Exhibit A with the same rates for Units L, M, N, O and P when they become available. Tenant to render decision within one week of First Right of Refusal
offer. 

					
	Witness/Attest:	 	Landlord:
		 	ADMAR CONSTRUCTION, INC.
			
	  
	 	BY:	 	 /s/ Farhad
Memarsadeghi                                      
              4/8/03

		 		 	FARHAD
MEMARSADEGHI                                      
    DATE
		 		 	PRESIDENT
			
	Witness/Attest:	 		 	Tenant:
		 		 	MICRONEL, INC
			
	  
	 	BY:	 	 /s/ Dale
Kline                                       
                             4/12/03

		 		 	DALE
KLINE                                       
                             DATE
		 		 	PRESIDENT

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