Document:

Specimen Warrant Certificate

 EXHIBIT 4.3 
 [SUBJECT TO THE TERMS SET FORTH HEREIN, THIS WARRANT CERTIFICATE (I) CANNOT BE TRANSFERRED OR EXCHANGED UNTIL FIVE (5) TRADING DAYS AFTER THE EARLIER TO OCCUR OF THE TERMINATION OF THE UNDERWRITERS’ OVER-ALLOTMENT OPTION TO
PURCHASE UP TO 3,000,000 ADDITIONAL UNITS TO COVER OVER-ALLOTMENTS OR THE EXERCISE IN FULL BY THE UNDERWRITERS OF SUCH OPTION (THE “DETACHMENT DATE”) UNLESS INCLUDED WITH A SHARE OF COMMON STOCK OF NATIONAL SECURITY SOLUTIONS INC. AS PART
OF A UNIT AND (II) CANNOT BE EXERCISED IN WHOLE OR IN PART UNTIL THE LATER OF THE COMPANY’S CONSUMMATION OF A BUSINESS COMBINATION OR
[                    ], 2009.] 
  

					
	NUMBER	  	(SEE REVERSE SIDE FOR LEGEND)	  	WARRANTS
			
	NSX-WS	  	THIS WARRANT WILL BE VOID IF NOT EXERCISED	  	 
	 	  	PRIOR TO
5:00 P.M. EASTERN TIME, __________, 2013
OR UPON EARLIER REDEMPTION	  	 
			
	 	  	National Security Solutions Inc.	  	CUSIP [_______]
			
	 	  	WARRANT	  	 

 THIS CERTIFIES THAT, for value received
                                        
                                        
                                     
                                       
                                        
                                        
                                        
                               is the registered holder of a Warrant or Warrants expiring at
5:00 p.m., Eastern Time, [            ] 2013 [five years from the date of the Company’s final prospectus contained in the registration statement], or upon earlier
redemption (the “Warrant”), to purchase one fully paid and non-assessable share of Common Stock, par value $0.001 per share (“Shares”), of National Security Solutions Inc., a Delaware corporation (the
“Company”), for each Warrant evidenced by this Warrant Certificate. The Warrant entitles the holder thereof to purchase from the Company, during the period (the “Exercise Period”) commencing on the later of
(i) [            ], 2009 [one year from the date of the Company’s final prospectus contained in the registration statement] and (ii) the completion by the
Company of an acquisition through merger, capital stock exchange, asset or stock acquisition, exchangeable share transaction or other similar transaction, or a combination of any of the foregoing, of one or more operating businesses, that is its
initial business combination and which meets the size, timing and other criteria outlined in the Company’s registration statement on Form S-1 initially filed with the Securities and Exchange Commission on March 14, 2008 (File
No. 333-149737), as amended (“Business Combination”), such number of Shares of the Company at the price of $7.50 per share (the “Exercise Price”). In no event shall the registered holder of this Warrant be
entitled to receive a net-cash settlement, shares of common stock or other consideration in lieu of physical settlement in Shares of the Company. The Warrant Agreement between the Company and American Stock Transfer & Trust Company (the
“Warrant Agreement”), dated [            ], 2008, provides that upon the occurrence of certain events the Warrant Price and the number of Warrant Shares purchasable
hereunder, may, subject to certain conditions, be adjusted. The term Warrant Price as used in this Warrant Certificate refers to the price per Share at which Shares may be purchased at the time the Warrant is exercised. 
 No fraction of a Share will be issued upon any exercise of a Warrant. If the holder of a Warrant would be entitled to receive a fraction of a Share upon
any exercise of a Warrant, the Company shall, upon such exercise, round up to the nearest whole number the number of Shares to be issued to such holder. 
 Upon any exercise of the Warrant for less than the total number of full Shares provided for herein, there shall be issued to the registered holder hereof or his assignee a new Warrant Certificate covering the number
of Shares for which the Warrant has not been exercised. 
 The holder of the Warrants represented by this Warrant Certificate may exercise
any Warrant evidenced hereby by delivering, not later than 5:00 P.M., New York City time, on any Business Day during the Exercise Period (the “Exercise Date”) to American Stock Transfer & Trust Company (the “Warrant
Agent”, which term includes any successor warrant agent under the Warrant Agreement described below) at its corporate trust department at 59 

 
Maiden Lane, Plaza Level, New York, New York 10038, (i) this Warrant Certificate, (ii) a subscription form (“Subscription Form”),
properly executed by the holder hereof on the reverse of this Warrant Certificate (the “Participant”) substantially in the form annexed hereto, as applicable and (iii) the Exercise Price for each full share of Common Stock as
to which the Warrant is exercised and any and all applicable taxes due in connection with the exercise of the Warrant[; provided, however, that with respect to Warrants issued and sold in a private placement prior to the completion of the
Company’s Initial Public Offering (as defined in the Warrant Agreement), so long as any such Warrants are held by an original purchaser or Permitted Transferee (as defined in the Warrant Agreement), the holder of this Warrant Certificate may,
in lieu of payment of the Exercise Price, surrender its Warrants for that number of Shares equal to the quotient obtained by dividing (x) the product of the number of Shares underlying the Warrants, multiplied by the difference between the
Exercise Price of the Warrants and the “Fair Market Value” (as defined herein) by (y) the Fair Market Value. For purposes of this paragraph, the “Fair Market Value” means the average reported last sale price of the common
stock for the ten (10) trading days ending on the third trading day prior to the date on which the subscription form is sent to the Warrant Agent]1. If any of (a) this Warrant Certificate, (b) the Subscription Form, or (c) the Exercise Price therefor [or surrendered Warrants], is received by the Warrant Agent after 5:00 P.M., New York City time, the Warrants will be
deemed to be received and exercised on the Business Day next succeeding the date such items are received and such date shall be the Exercise Date for purposes hereof. If the date such items are received is not a Business Day, the Warrants will be
deemed to be received and exercised on the next succeeding day which is a Business Day and such date shall be the Exercise Date. If the Warrants to be exercised are received or deemed to be received after the Expiration Date, the exercise thereof
will be null and void and any funds delivered to the Warrant Agent will be returned to the holder as soon as practicable. In no event will interest accrue on funds deposited with the Warrant Agent in respect of an exercise or attempted exercise of
Warrants. The validity of any exercise of Warrants will be determined by the Warrant Agent in its sole discretion and such determination will be final and binding upon the holder of the Warrants and the Company. Neither the Warrant Agent nor the
Company shall have any obligation to inform a holder of Warrants of the invalidity of any exercise of Warrants. 
 As used herein, the term
“Business Day” means any day that is not a Saturday or Sunday and is not a United States federal holiday or a day on which banking institutions generally are authorized or obligated by law or regulation to close in New York City.

 Warrant Certificates, when surrendered at the office or agency of the Warrant Agent by the registered holder hereof in person or by
attorney duly authorized in writing, may be exchanged in the manner and subject to the limitations provided in the Warrant Agreement, but without payment of any service charge, for another Warrant Certificate or Warrant Certificates of like tenor
and evidencing in the aggregate a like number of Warrants. 
 Upon due presentment for registration of transfer of the Warrant Certificate at
the office or agency of the Warrant Agent, a new Warrant Certificate or Warrant Certificates of like tenor and evidencing in the aggregate a like number of Warrants shall be issued to the transferee in exchange for this Warrant Certificate, subject
to the limitations provided in the Warrant Agreement, without charge except for any applicable tax or other governmental charge. 
 The
Company and the Warrant Agent may deem and treat the registered holder as the absolute owner of this Warrant Certificate (notwithstanding any notation of ownership or other writing hereon made by anyone), for the purpose of any exercise hereof, of
any distribution to the registered holder, and for all other purposes, and neither the Company nor the Warrant Agent shall be affected by any notice to the contrary. 
 Notwithstanding the foregoing, the Company shall not be obligated to deliver any Shares pursuant to the exercise of a Warrant and shall have no obligation to settle a Warrant exercise unless a registration statement
under the Securities Act of 1933, as amended (the “Securities Act”), with respect to the Shares is effective and a current prospectus is on file with the Commission. In the event that a registration statement with respect to the Shares

  

	 1
	 To be included only in Warrant Certificates representing Warrants issued in the private placement. 

  

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underlying a Warrant is not effective under the Securities Act or a current prospectus is not on file with the Commission, the holder of such Warrant shall
not be entitled to exercise such Warrant. Notwithstanding anything to the contrary in the Warrant Agreement and this Warrant Certificate, under no circumstances will the Company be required to net cash settle a Warrant exercise. Warrants may not be
exercised by, or Shares issued to, any registered holder in any state in which such exercise or issuance would be unlawful. For the avoidance of doubt, as a result of Section 3.3.4 of the Warrant Agreement and the foregoing, any or all of the
Warrants may expire unexercised. 
 This Warrant Certificate is issued under and in accordance with the Warrant Agreement, dated as of
[                ], 2008, between the Company and the Warrant Agent and is subject to the terms and provisions contained in the Warrant Agreement, to all of which
terms and provisions the holder of this Warrant Certificate and the beneficial owners of the Warrants represented by this Warrant Certificate consent by acceptance hereof. Copies of the Warrant Agreement are on file and can be inspected at the
above-mentioned office of the Warrant Agent and at the office of the Company at 300 Delaware Avenue, Wilmington, Delaware 19801. 
 The
accrual of dividends, if any, on the Shares issued upon the valid exercise of any Warrant will be governed by the terms generally applicable to such Shares. From and after the issuance of such Shares, the former holder of the Warrants exercised will
be entitled to the benefits generally available to other holders of Shares and such former holder’s right to receive payments of dividends and any other amounts payable in respect of the Shares shall be governed by, and shall be subject to, the
terms and provisions generally applicable to such Shares. 
 The Exercise Price and the number of Shares purchasable upon the exercise of
each Warrant shall be subject to adjustment as provided pursuant to Section 4 of the Warrant Agreement. 
 [Prior to the Detachment Date, the Warrants represented by this Warrant Certificate may be exchanged or transferred only together with the Shares to which such Warrant is attached (together, a “Unit”), and
only for the purpose of effecting, or in conjunction with, an exchange or transfer of such Unit. Additionally, prior to the Detachment Date, each transfer of such Unit on the register of the Units shall operate also to transfer the Warrants included
in such Units. From and after the Detachment Date, the above provisions shall be of no further force and effect. Upon due presentment for registration of transfer or exchange of this Warrant Certificate at the stock transfer division of the Warrant
Agent, the Company shall execute, and the Warrant Agent shall countersign and deliver, as provided in Section 5 of the Warrant Agreement, in the name of the designated transferee one or more new Warrant Certificates of any authorized
denomination evidencing in the aggregate a like number of unexercised Warrants, subject to the limitations provided in the Warrant Agreement.]2

 The Company reserves the right to redeem all (but not part) of the then outstanding Warrants, with a notice of redemption in writing to
the holders of record of the Warrants then outstanding, giving thirty (30) days’ notice of such redemption at any time after such Warrants become exercisable if the last sale price of the Shares has been at least $14.25 per share on any
twenty (20) trading days within a thirty (30) trading day period ending on the third business day prior to the date on which notice of such redemption is given. The Company may not redeem the Warrants unless the Warrants comprising the
units sold in this offering and the shares of common stock underlying those Warrants are covered by an effective registration statement from the beginning of the measurement period through the date fixed for the redemption. The redemption price of
the Warrants is to be $0.01 per Warrant. If the Company calls the warrants for redemption as described above, the Company’s management will have the option to require all holders that wish to exercise Warrants to do so on a “cashless
basis.” In such event, each holder would pay the Exercise Price by surrendering the Warrants for that number of Shares equal to the quotient obtained by dividing (x) the product of the number of Shares underlying the Warrants, multiplied
by the difference between the Exercise Price of the Warrants and the “Fair Market Value” (as defined herein) by (y) the Fair Market Value. For purposes of this paragraph, the “Fair Market Value” means the average reported
last sale price of the common stock for the ten (10) trading days ending on the third trading day prior to which the notice of redemption is sent to the Warrant Agent. Any Warrant either not exercised or tendered back to the Company by the end
of the date specified in the notice of redemption shall be cancelled on the books of the Company and have no further value except for the $0.01 redemption price. 
  

	 2
	 To be included only in Warrant Certificates representing Warrants sold in the Company’s public offering.

  

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 Neither this Warrant Certificate nor the Warrants evidenced hereby shall entitle the holder hereof or
thereof to any of the rights of a holder of the Shares, including, without limitation, the right to receive dividends, if any, or payments upon the liquidation, dissolution or winding up of the Company or to exercise voting rights, if any.

 The Warrant Agreement and this Warrant Certificate may be amended as provided in the Warrant Agreement including, under certain
circumstances described therein, without the consent of the holder of this Warrant Certificate or the Warrants evidenced hereby. 
 THIS
WARRANT CERTIFICATE AND ALL RIGHTS HEREUNDER AND UNDER THE WARRANT AGREEMENT SHALL BE GOVERNED BY AND INTERPRETED AND CONSTRUED IN ACCORDANCE WITH THE LAWS OF THE STATE OF DELAWARE APPLICABLE TO CONTRACTS FORMED AND TO BE PERFORMED ENTIRELY WITHIN
THE STATE OF DELAWARE, WITHOUT REGARD TO THE CONFLICTS OF LAW PROVISIONS THEREOF TO THE EXTENT SUCH PRINCIPLES OR RULES WOULD REQUIRE OR PERMIT THE APPLICATION OF THE LAWS OF ANOTHER JURISDICTION. 
  

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 National Security Solutions Inc. 
 THE STATE OF DELAWARE 
 2008

  

									
					
	By:	 	 	 		 		 	 
		 	Chief Executive Officer	 		 		 	Secretary

  

			
	COUNTERSIGNED:
	
	 American Stock Transfer & Trust Company,
 as Warrant Agent

	
	 
	Authorized Officer

  

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 SUBSCRIPTION FORM 
 To Be Executed by the Registered Holder in Order to Exercise Warrants 
 The undersigned Registered Holder irrevocably elects
to exercise                              Warrants represented by this Warrant Certificate, and to
purchase the shares of Common Stock issuable upon the exercise of such Warrants, and requests that Certificates for such shares shall be issued in the name of 
 ________________________________________________ 
 (PLEASE TYPE OR PRINT NAME AND ADDRESS) 
 ________________________________________________ 
 (SOCIAL SECURITY OR TAX IDENTIFICATION NUMBER) 
 and be delivered to 
 ________________________________________________ 
 (PLEASE PRINT OR TYPE NAME AND ADDRESS) 
 and, if such number of Warrants shall not be all the Warrants evidenced by this Warrant Certificate, that a new Warrant Certificate for the balance of such Warrants be
registered in the name of, and delivered to, the Registered Holder at the address stated below: 
  

					
	Dated:                                     
               	 		 	 
		 		 	(SIGNATURE)
		 		 	 
		 		 	(ADDRESS)
			
		 		 	 
		 		 	(TAX IDENTIFICATION NUMBER)

 [THE SECURITIES REPRESENTED BY THIS CERTIFICATE ARE SUBJECT
TO THE TERMS AND CONDITIONS CONTAINED IN A LOCK-UP AGREEMENT (THE “AGREEMENT”) AND MAY NOT BE OFFERED, SOLD, TRANSFERRED, PLEDGED OR OTHERWISE DISPOSED DURING THE TERM OF THE LOCK-UP PERIOD (AS DEFINED IN THE AGREEMENT). FURTHER, THE
SECURITIES REPRESENTED BY THIS CERTIFICATE HAVE NOT BEEN REGISTERED UNDER THE SECURITIES ACT OF 1933, AS AMENDED (THE “ACT”), OR ANY STATE SECURITIES LAWS AND NEITHER THE SECURITIES NOR ANY INTEREST THEREIN MAY BE OFFERED, SOLD,
TRANSFERRED, PLEDGED OR OTHERWISE DISPOSED OF EXCEPT PURSUANT TO AN EFFECTIVE REGISTRATION STATEMENT COVERING THESE SECURITIES UNDER THE ACT OR SUCH LAWS OR AN EXEMPTION FROM REGISTRATION UNDER THE ACT AND SUCH LAWS WHICH, IN THE OPINION OF COUNSEL
FOR THIS CORPORATION, IS AVAILABLE.]3 
  

	 3
	 To be included only in Warrant Certificates representing Warrants issued in the private placement.

 ASSIGNMENT 
 To Be Executed by the Registered Holder in Order to Assign Warrants 
 For Value Received,
                                        
hereby sells, assigns, and transfers unto 
 ________________________________________________ 
 (PLEASE TYPE OR PRINT NAME AND ADDRESS) 
 ________________________________________________ 
 (SOCIAL SECURITY OR TAX IDENTIFICATION NUMBER) 
                  of the Warrants represented by this Warrant Certificate, and
hereby irrevocably constitutes and appoints Attorney to transfer this Warrant Certificate on the books of the Company, with full power of substitution in the premises. 
  

					
			
	Dated:                                     
                   	 		 	  
		 		 	(SIGNATURE)

 THE SIGNATURE TO THE ASSIGNMENT OF THE SUBSCRIPTION FORM MUST CORRESPOND TO THE NAME WRITTEN UPON THE FACE OF THIS
WARRANT CERTIFICATE IN EVERY PARTICULAR, WITHOUT ALTERATION OR ENLARGEMENT OR ANY CHANGE WHATSOEVER, AND MUST BE GUARANTEED BY A COMMERCIAL BANK OR TRUST COMPANY OR A MEMBER FIRM OF THE AMERICAN STOCK EXCHANGE OR THE NEW YORK STOCK EXCHANGE.Form of Warrant Agreement

 EXHIBIT 4.4 
 FORM OF WARRANT AGREEMENT 
 This Warrant Agreement made as of         , 2008,
between National Security Solutions Inc., a Delaware corporation, with offices at 300 Delaware Avenue, Wilmington, Delaware 19801 (the “Company”), and American Stock Transfer & Trust Company, a New York
corporation, with offices at 59 Maiden Lane, New York, New York 10038 (the “Warrant Agent”). 
 WHEREAS, the
Company is engaged in a public offering (the “Public Offering”) of units (the “Units”) and, in connection therewith, has determined to issue and deliver up to 20,000,000 warrants as a part of the
Units (the “Public Warrants”) to the public investors, and 5,000,000 warrants (the “Private Warrants” or “Founder Warrants” and, together with the Public Warrants, the
“Warrants”) to one or more founding holders (the “Founding Holders”), each of such Warrants evidencing the right of the holder thereof to purchase one share of common stock, par value $0.001 per share, of the
Company (the “Common Stock”) for $7.50 per share for both the Public Warrants and the Founder Warrants, in each case subject to adjustments as described herein; 
 WHEREAS, the Company has filed with the Securities and Exchange Commission a registration statement, File No. 333-149737, on Form S-1 (as
amended, the “Registration Statement”) for the registration, under the Securities Act of 1933, as amended (the “Act”), of, among other securities, the Warrants and the Common Stock issuable upon exercise
of the Warrants; 
 WHEREAS, the Company is issuing the Private Warrants in a private placement immediately prior to the Public
Offering, which Private Warrants will be identical to the Public Warrants, subject to certain exceptions, as set forth in the Registration Statement; 
 WHEREAS, the Company desires the Warrant Agent to act on behalf of the Company, and the Warrant Agent is willing to so act, in connection with the issuance, registration, transfer, exchange, redemption, exercise and
cancellation of the Warrants; 
 WHEREAS, the Company desires to provide for the form and provisions of the Warrants, the terms upon
which they shall be issued and exercised, and the respective rights, limitation of rights and immunities of the Company, the Warrant Agent and the holders of the Warrants; and 
 WHEREAS, all acts and things have been done and performed which are necessary to make the Warrants, when executed on behalf of the Company and
countersigned by or on behalf of the Warrant Agent, as provided herein, the legally valid and binding obligations of the Company, and to authorize the execution and delivery of this Warrant Agreement. 
 NOW, THEREFORE, in consideration of the mutual agreements herein contained, the parties hereto agree as follows: 
 1. Appointment of Warrant Agent. The Company hereby appoints the Warrant Agent to act as agent for the Company for the Warrants, and the Warrant
Agent hereby accepts such appointment and agrees to perform the same in accordance with the terms and conditions set forth in this Agreement. 
 2. Warrants. 
 2.1. Form of Warrant. Each Warrant shall be issued in registered form only, shall be in
substantially the form of Exhibit A hereto, the provisions of which are incorporated herein, and shall be signed by, or bear the facsimile signature of, the Chief Executive Officer, the President or the Chief Financial Officer, and the
Secretary or Treasurer of the Company, and shall bear a facsimile of the Company’s seal. In the event the person whose facsimile signature has been placed upon any Warrant shall have ceased to serve in the capacity in which such person signed
the Warrant before such Warrant is issued, it may be issued with the same effect as if he or she had not ceased to be such at the date of issuance. 

 2.2. Effect of Countersignature. Unless and until countersigned by the Warrant
Agent pursuant to this Agreement, a Warrant shall be invalid and of no effect and may not be exercised by the holder thereof. 
 2.3. Registration. 
 2.3.1. Warrant Register. The Warrant Agent shall maintain books (“Warrant
Register”), for the registration of the original issuance and transfers of the Warrants. Upon the initial issuance of the Warrants, the Warrant Agent shall issue and register the Warrants in the names of the respective holders thereof in
such denominations and otherwise in accordance with instructions delivered to the Warrant Agent by the Company. 
 2.3.2.
Registered Holder. Prior to due presentment for registration of transfer of any Warrant, the Company and the Warrant Agent may deem and treat the person in whose name such Warrant shall be registered upon the Warrant Register
(“registered holder”), as the absolute owner of such Warrant and of each Warrant represented thereby (notwithstanding any notation of ownership or other writing on the warrant certificate made by anyone other than the Company or the
Warrant Agent), for the purpose of any exercise thereof, and for all other purposes, and neither the Company nor the Warrant Agent shall be affected by any notice to the contrary. 
 2.4. Detachability of Warrants. The securities comprising the Units will not be separately transferable until five business days
(or as soon as practicable thereafter) following the earlier to occur of (i) the expiration or termination of the underwriters’ over-allotment option and (ii) the exercise in full of that option (the “Detachment
Date”), subject in either case to the Company having filed a Current Report on Form 8-K which includes an audited balance sheet reflecting the receipt by the Company of the gross proceeds of the Public Offering, including the proceeds
received by the Company from the exercise of the underwriters’ over-allotment option to the extent such option was exercised immediately upon consummation of the offering. 
 3. Terms and Exercise of Warrants. 
 3.1. Exercise Price. Each Warrant shall, when countersigned by the Warrant Agent, entitle the registered holder thereof, subject to the provisions of such Warrant and of this Warrant Agreement, to purchase from
the Company the number of shares of Common Stock stated therein, at the price of $7.50 per whole share in the case of both the Public Warrants and Founder Warrants, subject to the adjustments provided in Section 4 hereof and in the last
sentence of this Section 3.1. The term “Exercise Price” as used in this Warrant Agreement refers to the price per whole share at which Common Stock may be purchased at the time a Warrant is exercised. The Company, in its sole
discretion, may lower the Exercise Price at any time prior to the Expiration Date (as defined below) for a period of not less than ten (10) business days, provided that any such reduction shall be identical among all of the Warrants.

 3.2. Duration of Warrants. A Warrant may be exercised only during the period (“Exercise Period”)
commencing on the later of (i) the consummation by the Company of a merger, capital stock exchange, asset or stock acquisition, exchangeable share transaction or other similar transaction, as described more fully in the Company’s
Registration Statement (“Business Combination”), or (ii)        , 2009 [one year from the date of the Company’s final prospectus contained in the Registration Statement], and terminating
at 5:00 p.m., New York City time, on the earlier to occur of (i)            , 201     [five years from the date of the Company’s final prospectus
contained in the Registration Statement] or (ii) the date fixed for redemption of the Warrants as provided in Section 6 of this Agreement (“Expiration Date”). Except with respect to the right to receive the Redemption
Price (as set forth in Section 6 hereunder), each Warrant not exercised on or before the Expiration Date shall become void, and all rights thereunder and all rights in respect thereof under this Agreement shall cease at the close of
business on the Expiration Date. The Company, in its sole discretion, may extend the duration of the Warrants by delaying the Expiration Date; provided, however, that the Company will provide notice to registered holders of the Warrants of such

  

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extension of not less than twenty (20) days and, further provided that any such extension shall be identical in duration among all of the Warrants.
Should the Company wish to extend the duration of the Warrants by delaying the Expiration Date, the Company shall provide advance notice to the American Stock Exchange or any stock exchange on which the Warrants are listed in accordance with the
applicable requirements of such exchange. Notwithstanding the foregoing, a Warrant can expire unexercised regardless of whether a registration statement is current under the Act with respect to the Common Stock issuable upon exercise of
the Warrants. 
 3.3. Exercise of Warrants. 
 3.3.1. Payment. Subject to the provisions of the Warrant and this Warrant Agreement, a Warrant, when countersigned by the Warrant
Agent, may be exercised by the registered holder thereof by delivering, not later than 5:00 P.M., New York City time, on any Business Day during the Exercise Period (the “Exercise Date”) to the Warrant Agent at its corporate trust
department at 59 Maiden Lane, Plaza Level, New York, New York 10038, (i) the warrant certificate, (ii) a subscription form (“Subscription Form”), properly executed by the holder of such warrant on the reverse of the
warrant certificate, as applicable, and (iii) the Exercise Price for each full share of Common Stock as to which the Warrant is exercised and any and all applicable taxes due in connection with the exercise of the Warrant. If the Exercise Price
is paid by a “Cashless Exercise”, each holder of such warrants shall surrender Warrants exercisable for that number of shares of Common Stock equal to the quotient obtained by dividing (x) the product of the number of shares of
Common Stock underlying the Warrants being exercised, multiplied by the difference between the Exercise Price and the “Fair Market Value” (defined below) by (y) the Fair Market Value. The “Fair Market Value” shall
mean the average reported last sale price of the Common Stock for the ten (10) trading days ending on the third trading day prior to the date on which the subscription form is sent to the Warrant Agent. For the avoidance of doubt, the Private
Warrants may be exercised by the Founding Holders on a cashless basis so long as they are held by such Founding Holders or their Permitted Transferees (as defined herein); and the Public Warrants cannot be exercised on a cashless basis, except as
may be required by management pursuant to a call for redemption of such warrants pursuant to Section 6 hereof. 
 3.3.2.
Issuance of Certificates. As soon as practicable after the exercise of any Warrant and the clearance of the funds in payment of the Exercise Price, the Company shall issue to the registered holder of such Warrant a certificate or certificates
representing the number of full shares of Common Stock to which he, she or it is entitled, registered in such name or names as may be directed by him, her or it, and, if such Warrant shall not have been exercised in full, a new countersigned Warrant
for the number of shares as to which such Warrant shall not have been exercised. Notwithstanding the foregoing, the Company shall not be obligated to deliver any securities pursuant to the exercise of a Warrant unless (i) a registration
statement under the Act with respect to the Common Stock issuable upon exercise is effective, or (ii) in the opinion of counsel to the Company, the exercise of the Warrants is exempt from the registration requirements of the Act and such
securities are qualified for sale or exempt from qualification under applicable securities laws of the states or other jurisdictions in which the registered holder resides. Warrants may not be exercised by, or securities issued to, any registered
holder in any state in which such exercise or issuance would be unlawful. In no event will the registered holder of a Warrant be entitled to receive a net-cash settlement or other consideration in lieu of physical settlement in shares of Common
Stock if the Common Stock underlying the Warrants is not covered by an effective registration statement. Accordingly, the Warrants may expire unexercised and have no value if a current registration statement covering the Common Stock is
not effective. 
 3.3.3. Valid Issuance. All shares of Common Stock issued upon the proper exercise of a Warrant
in conformity with this Agreement shall be validly issued, fully paid and nonassessable. 
 3.3.4. Date of Issuance.
Each person or entity in whose name any such certificate for shares of Common Stock is issued shall, for all purposes, be deemed to have become the holder of record of such shares on the date on which the Warrant was surrendered and payment of the

  

 3 

 
Exercise Price was made, irrespective of the date of delivery of such certificate, except that, if the date of such surrender and payment is a date when the
stock transfer books of the Company are closed, such person shall be deemed to have become the holder of such shares at the close of business on the next succeeding date on which the stock transfer books are open. 
 4. Adjustments. 
 4.1.
Stock Dividends—Split-Ups. If, after the date hereof, and subject to the provisions of Section 4.7 below, the number of outstanding shares of Common Stock is increased by a stock dividend payable in shares of Common Stock, or by a
split-up of shares of Common Stock, or other similar event, then, on the effective date of such stock dividend, split-up or similar event, the number of shares of Common Stock issuable on exercise of each Warrant shall be increased in proportion to
such increase in outstanding shares of Common Stock. 
 4.2. Extraordinary Dividend. If the Company, at any time
while the Warrants are outstanding and unexpired, shall pay a dividend or make a distribution in cash, securities or other assets to the holders of Common Stock (or other shares of the Company’s capital stock into which the Warrants are
convertible), other than (a) as described in Sections 4.1, 4.3 or 4.5, (b) regular quarterly or other periodic dividends, (c) in connection with the conversion rights of the holders of Common Stock upon consummation of the
Company’s initial Business Combination, or (d) in connection with the Company’s liquidation and the distribution of its assets upon its failure to consummate a Business Combination (any such non-excluded event being referred to herein
as an “Extraordinary Dividend”), then the Exercise Price shall be decreased, effective immediately after the effective date of such Extraordinary Dividend, by the amount of cash and/or the fair market value (as determined by the
Company’s Board of Directors, in good faith) of any securities or other assets paid on each share of Common Stock in respect of such Extraordinary Dividend. 
 4.3. Aggregation of Shares. If after the date hereof, and subject to the provisions of Section 4.7, the number of outstanding
shares of Common Stock is decreased by a consolidation, combination, reverse stock split or reclassification of shares of Common Stock or other similar event, then, on the effective date of such consolidation, combination, reverse stock split,
reclassification or similar event, the number of shares of Common Stock issuable on exercise of each Warrant shall be decreased in proportion to such decrease in outstanding shares of Common Stock. 
 4.4. Adjustments in Exercise Price. Whenever the number of shares of Common Stock purchasable upon the exercise of the Warrants is
adjusted, as provided in Sections 4.1 and 4.3 above, the Exercise Price shall be adjusted (to the nearest cent) by multiplying such Exercise Price, immediately prior to such adjustment, by a fraction, (i) the numerator of which
shall be the number of shares of Common Stock purchasable upon the exercise of the Warrants immediately prior to such adjustment, and (ii) the denominator of which shall be the number of shares of Common Stock so purchasable immediately
thereafter. 
 4.5. Replacement of Securities upon Reorganization, etc. In case of any reclassification or
reorganization of the outstanding shares of Common Stock (other than a change covered by Sections 4.1 or 4.3 hereof or one that solely affects the par value of such shares of Common Stock), or, in the case of any merger or consolidation of
the Company with or into another corporation (other than a consolidation or merger in which the Company is the continuing corporation and that does not result in any reclassification or reorganization of the outstanding shares of Common Stock), or,
in the case of any sale or conveyance to another corporation or entity of the assets or other property of the Company as an entirety or substantially as an entirety, in connection with which the Company is dissolved, the Warrant holders shall
thereafter have the right to purchase and receive, upon the basis and upon the terms and conditions specified in the Warrants and in lieu of the shares of Common Stock of the Company immediately theretofore purchasable and receivable upon the
exercise of the rights represented thereby, the kind and amount of shares of stock or other securities or property (including cash) receivable upon such reclassification, reorganization, merger or consolidation, or upon a dissolution following any
such sale or transfer, that the Warrant holder would have received if such Warrant holder had exercised his, her or its Warrant(s) immediately prior to 
  

 4 

 
such event; and if any reclassification also results in a change in shares of Common Stock covered by Sections 4.1 or 4.3, then such adjustment
shall be made pursuant to Sections 4.1, 4.2, 4.3, 4.4 and this Section 4.5. The provisions of this Section 4.5 shall similarly apply to successive reclassifications, reorganizations, mergers or consolidations, sales or other
transfers. 
 4.6. Notices of Changes in Warrant. Upon every adjustment of the Exercise Price or the number of shares
issuable upon exercise of a Warrant, the Company shall give written notice thereof to the Warrant Agent, which notice shall state the Exercise Price resulting from such adjustment and the increase or decrease, if any, in the number of shares
purchasable at such price upon the exercise of a Warrant, setting forth in reasonable detail the method of calculation and the facts upon which such calculation is based. Upon the occurrence of any event specified in Sections 4.1, 4.2, 4.3, 4.4
or 4.5 the Company shall give written notice to each Warrant holder, at the last address set forth for such holder in the Warrant Register, of the record date or the effective date of the event. Failure to give such notice, or any defect
therein, shall not affect the legality or validity of such event. 
 4.7. No Fractional Shares. Notwithstanding
any provision contained in this Warrant Agreement to the contrary, the Company shall not issue fractional shares upon exercise of Warrants. If, by reason of any adjustment made pursuant to this Section 4, the holder of any Warrant would be
entitled, upon the exercise of such Warrant, to receive a fractional interest in a share, the Company shall, upon such exercise, round up to the nearest whole number the number of the shares of Common Stock to be issued to the Warrant holder.

 4.8. Form of Warrant. The form of Warrant need not be changed because of any adjustment pursuant to this
Section 4, and Warrants issued after such adjustment may state the same Exercise Price and the same number of shares as is stated in the Warrants initially issued pursuant to this Agreement. However, the Company may, at any time, in its sole
discretion, make any change in the form of Warrant that the Company may deem appropriate and that does not affect the substance thereof, and any Warrant thereafter issued or countersigned, whether in exchange or substitution for an outstanding
Warrant or otherwise, may be in the form as so changed. 
 5. Transfer and Exchange of Warrants. 
 5.1. Transfer of Warrants. Prior to the Detachment Date, the Public Warrants may be transferred or exchanged only together with the
Unit in which such Warrant is included, and only for the purpose of effecting, or in conjunction with, a transfer or exchange of such Unit. Furthermore, each transfer of a Unit on the register relating to such Units shall operate also to transfer
the Warrants included in such Unit. From and after the Detachment Date this Section 5.1 will have no further force and effect. 
 5.2. Registration of Transfer. The Warrant Agent shall register the transfer, from time to time, of any outstanding Warrant into the Warrant Register, upon surrender of such Warrant for transfer, properly endorsed with signatures
properly guaranteed and accompanied by appropriate instructions for transfer. Upon any such transfer, a new Warrant representing an equal aggregate number of Warrants shall be issued and the old Warrant shall be cancelled by the Warrant Agent. The
Warrants so cancelled shall be delivered by the Warrant Agent to the Company from time to time upon the Company’s request. 
 5.3. Procedure for Surrender of Warrants. Warrants may be surrendered to the Warrant Agent, together with a written request for exchange or transfer, and, thereupon, the Warrant Agent shall issue in exchange therefor one or more new
Warrants as requested by the registered holder of the Warrants so surrendered, representing an equal aggregate number of Warrants; provided, however, that, in the event a Warrant surrendered for transfer bears a restrictive legend, the Warrant Agent
shall not cancel such Warrant and shall not issue new Warrants in exchange therefor until the Warrant Agent has received an opinion of counsel for the Company stating that such transfer may be made and indicating whether the new Warrants must also
bear a restrictive legend. 
 5.4. Fractional Warrants. The Warrant Agent shall not be required to effect any
registration of transfer or exchange which will result in the issuance of a warrant certificate for a fraction of a Warrant. 
  

 5 

 5.5. Service Charges. No service charge shall be made for any exchange or
registration of transfer of Warrants. 
 5.6. Warrant Execution and Countersignature. The Warrant Agent is hereby
authorized to countersign and to deliver, in accordance with the terms of this Agreement, the Warrants required to be issued pursuant to the provisions of this Section 5, and the Company, whenever required by the Warrant Agent, will supply the
Warrant Agent with Warrants duly executed on behalf of the Company for such purpose. 
 6. Redemption. 
 6.1. Redemption. Subject to Section 6.4 hereof and the penultimate sentence of this Section 6.1, all (and not less
than all) of the outstanding Warrants may be redeemed, at the option of the Company, at any time after they become exercisable and prior to their expiration, at the office of the Warrant Agent, upon the notice referred to in Section 6.2, at the
price of $0.01 per Warrant (“Redemption Price”), provided that the last sales price of the Common Stock has been equal to or greater than $14.25 per share on any twenty (20) trading days within a thirty (30) trading day
period ending on the third business day prior to the date on which notice of redemption is given. Notwithstanding the foregoing, the Registration Statement must be current in order for the Company to exercise its redemption rights pursuant to this
Section 6. No Private Warrants shall be redeemable so long as such Private Warrant is held in the name of the original person or entity to which the Company issued such Private Warrant or in the name of a “Permitted Transferee” (as
defined herein). For the avoidance of doubt, the Company may redeem the Warrants only if there is an effective registration statement with respect to the Common Stock to enable the exercise of the Warrants during the period specified in
Section 6.3 hereof. A “Permitted Transferee” is herein defined as a transfer by a Founding Holder (i) to a member of such Founding Holder’s “Immediate Family” (as defined herein) or an affiliate (as such
term is defined pursuant to Rule 12b-2 of the General Rules and Regulations under the Securities Exchange Act of 1934, as amended) of such Founding Holder, (ii) to a charitable organization, (iii) to a trust, for estate planning purposes,
(iv) by virtue of the laws of descent and distribution upon death of such Founding Holder, (v) to other officers or directors of the Company, or (vi) pursuant to a qualified domestic relations order, in each case subject to the terms
and conditions set forth in the lock-up agreement between such Founding Holder and the Company. “Immediate Family” is herein defined to mean, with respect to any person, such person’s spouse, lineal descendents, father, mother,
brothers or sisters (including any such relatives by adoption or marriage). The provisions of this Section 6.1 may not be modified, amended or deleted without the prior written consent of the Representative. 
 6.2. Date Fixed for, and Notice of, Redemption. In the event the Company shall elect to redeem all of the Warrants, the Company
shall fix a date for the redemption. Notice of redemption shall be mailed by first class mail, postage prepaid, by the Company not less than thirty (30) days prior to the date fixed for redemption to the registered holders of the Warrants to be
redeemed at their last addresses as they shall appear on the Warrant Register. Any notice mailed in the manner herein provided shall be conclusively presumed to have been duly given, whether or not the registered holder received such notice.

 6.3. Exercise After Notice of Redemption. The Warrants may be exercised in accordance with Section 3 of this
Warrant Agreement at any time after notice of redemption shall have been given by the Company pursuant to Section 6.2 hereof and prior to the time and date fixed for redemption, provided, however, that the Company may elect to require that the
Exercise Price for such Warrants be paid through a Cashless Exercise pursuant to Section 3.3.1 hereof. On and after the date fixed for redemption, the record holder of the Warrants shall have no further rights except to receive, upon surrender
of the Warrants, the Redemption Price. 
 6.4. No Other Rights to Cash Payment. Except for a redemption in accordance
with this Section 6, no holder of any Warrant shall be entitled to any cash payment whatsoever from the Company in connection with the ownership, exercise or surrender of any Warrant under this Agreement, regardless of whether a registration
statement is current under the Act with respect to the Common Stock issuable upon exercise of the Warrants. 
  

 6 

 7. Other Provisions Relating to Rights of Holders of Warrants. 
 7.1. No Rights as Stockholder. A Warrant does not entitle the registered holder thereof to any of the rights of a stockholder of
the Company, including, without limitation, the right to receive dividends, or other distributions, exercise any preemptive rights to vote or to consent or to receive notice as stockholders in respect of the meetings of stockholders or the election
of directors of the Company or any other matter. 
 7.2. Lost, Stolen, Mutilated, or Destroyed Warrants. If any
Warrant is lost, stolen, mutilated or destroyed, the Company and the Warrant Agent may, on such terms as to indemnity or otherwise as they may in their discretion impose (which terms shall, in the case of a mutilated Warrant, include the surrender
thereof), issue a new Warrant of like denomination, tenor and date as the Warrant so lost, stolen, mutilated or destroyed. Any such new Warrant shall constitute a substitute contractual obligation of the Company, whether or not the allegedly lost,
stolen, mutilated or destroyed Warrant shall be at any time enforceable by anyone. 
 7.3. Reservation of Common
Stock. The Company shall at all times reserve and keep available a number of its authorized but unissued shares of Common Stock that will be sufficient to permit the exercise in full of all outstanding Warrants issued pursuant to this Warrant
Agreement. 
 7.4. Registration of Common Stock. The Company agrees that, prior to the commencement of the Exercise
Period, it shall file with the Securities and Exchange Commission a post-effective amendment to the Registration Statement, or a new registration statement, for the registration under the Act of, and it shall take such action as is necessary to
qualify for sale in those states in which the Warrants were initially offered by the Company, the Common Stock issuable upon exercise of the Warrants. In either case, the Company will use its best efforts to cause the same to become effective on or
prior to the commencement of the Exercise Period and to maintain the effectiveness of such registration statement until the expiration of the Warrants in accordance with the provisions of this Warrant Agreement. In addition, the Company agrees to
use its reasonable efforts to register such securities under the blue sky laws of the states of residence of the exercising warrant holders to the extent an exemption is not available. The provisions of this Section 7.4 may not be modified,
amended or deleted without the prior written consent of the Representative. Notwithstanding the foregoing, a Warrant can expire unexercised regardless of whether a registration statement is effective under the Act with respect to the Common Stock
issuable upon exercise of the Warrants. 
 7.5. Delivery of Prospectus or Notice. Upon the exercise of any
Warrant, if the Company requests, the Warrant Agent shall deliver to the Holder of such Warrant, prior to or concurrently with the delivery of the shares of Common Stock issued upon such exercise, in accordance with the Company’s request,
either (a) a prospectus relating to the shares of Common Stock deliverable upon exercise of Warrants and complying in all material respects with the Securities Act, or (ii) the notice referred to in Rule 173 under the Securities Act.

 8. Concerning the Warrant Agent and Other Matters. 
 8.1. Payment of Taxes. The Company will, from time to time, promptly pay all taxes and charges that may be imposed upon the Company
or the Warrant Agent in respect of the issuance or delivery of shares of Common Stock upon the exercise of Warrants, but the Company shall not be obligated to pay any transfer taxes in respect of the Warrants or such shares. 
 8.2. Resignation, Consolidation, or Merger of Warrant Agent. 
 8.2.1. Appointment of Successor Warrant Agent. The Warrant Agent, or any successor to it hereafter appointed, may resign its duties
and be discharged from all further duties and liabilities hereunder after giving sixty (60) days’ notice in writing to the Company. If the office of the Warrant Agent becomes vacant by resignation or incapacity to act or otherwise, the

  

 7 

 
Company shall appoint, in writing, a successor Warrant Agent in place of the Warrant Agent. If the Company shall fail to make such appointment within a
period of thirty (30) days after it has been notified in writing of such resignation or incapacity by the Warrant Agent or by the holder of the Warrant (who shall, with such notice, submit his, her or its Warrant for inspection by the
Company), then the holder of any Warrant may apply to the Supreme Court of the State of New York for the County of New York for the appointment of a successor Warrant Agent. Any successor Warrant Agent, whether appointed by the Company or
by such court, shall be a corporation organized and existing under the laws of the State of New York, in good standing and have its principal office in the Borough of Manhattan, City and State of New York, and be authorized under such laws
to exercise corporate trust powers and subject to supervision or examination by federal or state authorities. After appointment, any successor Warrant Agent shall be vested with all the authority, powers, rights, immunities, duties and obligations
of its predecessor Warrant Agent with like effect as if originally named as Warrant Agent hereunder, without any further act or deed; but, if for any reason it becomes necessary or appropriate, the predecessor Warrant Agent shall execute and
deliver, at the expense of the Company, an instrument transferring to such successor Warrant Agent all the authority, powers, and rights of such predecessor Warrant Agent hereunder; and, upon request of any successor Warrant Agent, the Company shall
make, execute, acknowledge, and deliver any and all instruments in writing for more fully and effectually vesting in and confirming to such successor Warrant Agent all such authority, powers, rights, immunities, duties and obligations. 

8.2.2. Notice of Successor Warrant Agent. In the event a successor Warrant Agent shall be appointed, the Company shall give
notice thereof to the predecessor Warrant Agent and the transfer agent for the Common Stock not later than the effective date of any such appointment. 
 8.2.3. Merger or Consolidation of Warrant Agent. Any corporation into which the Warrant Agent may be merged or with which it may be consolidated or any corporation resulting from any merger or consolidation to
which the Warrant Agent shall be a party shall be the successor Warrant Agent under this Warrant Agreement without any further act on the part of the Company or the Warrant Agent. 
 8.3. Fees and Expenses of Warrant Agent. 
 8.3.1. Remuneration. The Company agrees to pay the Warrant Agent reasonable remuneration for its services as Warrant Agent
hereunder as set forth on Exhibit B hereto and will reimburse the Warrant Agent upon demand for all expenditures that the Warrant Agent may reasonably incur in the execution of its duties hereunder. 
 8.3.2. Further Assurances. The Company agrees to perform, execute, acknowledge and deliver, or cause to be performed, executed,
acknowledged and delivered, all such further and other acts, instruments and assurances as may reasonably be required by the Warrant Agent for the carrying out or performing of the provisions of this Warrant Agreement. 
 8.4. Liability of Warrant Agent. 
 8.4.1. Reliance on Company Statement. Whenever, in the performance of its duties under this Warrant Agreement, the Warrant Agent shall deem it necessary or desirable that any fact or matter be proved or
established by the Company prior to taking or suffering any action hereunder, such fact or matter (unless other evidence in respect thereof be herein specifically prescribed) may be deemed to be conclusively proved and established by a statement
signed by the Chief Executive Officer, Chairman of the Board or President of the Company and delivered to the Warrant Agent. The Warrant Agent may rely upon such statement for any action taken or suffered in good faith by it pursuant to the
provisions of this Warrant Agreement. 
 8.4.2. Indemnity. The Warrant Agent shall be liable hereunder only for its own
negligence, willful misconduct or bad faith. The Company agrees to indemnify the Warrant Agent 
  

 8 

 
and save it harmless against any and all liabilities, including judgments, costs and reasonable counsel fees, for anything done or omitted by the Warrant
Agent in the execution of this Warrant Agreement, except as a result of the Warrant Agent’s negligence, willful misconduct or bad faith. 
 8.4.3. Exclusions. The Warrant Agent shall have no responsibility with respect to the validity of this Warrant Agreement or with respect to the validity or execution of any Warrant (except its countersignature
thereof); nor shall it be responsible for any breach by the Company of any covenant or condition contained in this Warrant Agreement or in any Warrant; nor shall it be responsible to make any adjustments required under the provisions of
Section 4 hereof or responsible for the manner, method or amount of any such adjustment or the ascertaining of the existence of facts that would require any such adjustment; nor shall it, by any act hereunder, be deemed to make any
representation or warranty as to the authorization or reservation of any shares of Common Stock to be issued pursuant to this Warrant Agreement or any Warrant or as to whether any shares of Common Stock will when issued be valid and fully paid and
nonassessable. 
 8.5. Acceptance of Agency. The Warrant Agent hereby accepts the agency established by this Warrant
Agreement and agrees to perform the same upon the terms and conditions herein set forth and, among other things, shall account promptly to the Company with respect to Warrants exercised and concurrently account for, and pay to the Company, all
moneys received by the Warrant Agent for the purchase of shares of the Company’s Common Stock through the exercise of Warrants. 
 8.6. Waiver. The Warrant Agent hereby waives any and all right, title, interest or claim of any kind (“Claim”) in or to any distribution of the Trust Account (as defined in that certain
Investment Management Trust Agreement, dated as of the date hereof, by and between the Company and the Warrant Agent as trustee thereunder), and hereby agrees not to seek recourse, reimbursement, payment or satisfaction for any Claim against the
Trust Fund for any reason whatsoever. 
 9. Miscellaneous Provisions. 
 9.1. Successors. All the covenants and provisions of this Warrant Agreement by or for the benefit of the Company or the Warrant
Agent shall bind and inure to the benefit of their respective successors and assigns. 
 9.2. Notices. Any notice,
statement or demand authorized by this Warrant Agreement to be given or made by the Warrant Agent or by the holder of any Warrant to or on the Company shall be delivered by hand or sent by registered or certified mail or overnight courier service,
addressed (until another address is filed in writing by the Company with the Warrant Agent) as follows: 
 National Security Solutions
Inc. 
 300 Delaware Avenue 
 Wilmington, Delaware 19801 
 Attn: Kenneth L. Boyda, Chief Executive Officer and President 
 Fax No.: (302) 421-9361 
 Any notice, statement or
demand authorized by this Warrant Agreement to be given or made by the holder of any Warrant or by the Company to or on the Warrant Agent shall be delivered by hand or sent by registered or certified mail or overnight courier service, addressed
(until another address is filed in writing by the Warrant Agent with the Company), as follows: 
 American Stock Transfer &
Trust Company 
 59 Maiden Lane 
 New York, New York 10038 
 Attn: Herbert J. Lemmer 
 Fax No.: (718) 765-8719 
  

 9 

 with a copy in each case to: 
 Gibson, Dunn & Crutcher LLP 
 200
Park Avenue 
 New York, New York 10166-0193 
 Attn: Barbara L. Becker, Esq. 
 Fax No.: (212) 351-6202 
 and 
 DLA Piper US LLP 
 1251 Avenue of the Americas 
 New York, New
York 10020-1104 
 Attn: Jack I. Kantrowitz, Esq. 
 Fax No.: (212) 884-8645 
 and 
 Banc of America Securities LLC 
 As
representative of the underwriters 
 40 W. 57th Street, 30th Floor 
 New York, New York 10019 
 Attn: Managing
Director (National Security Solutions Inc.) 
 Fax No.: (646) 313-4783 
 Any notice, sent pursuant to this Warrant Agreement shall be effective, if delivered by hand or facsimile transmission, upon receipt thereof by the party to whom it is addressed, if sent by overnight courier, on the
next business day of the delivery to the courier, and if sent by registered or certified mail on the third day after registration or certification thereof. 
 9.3. Applicable Law. The validity, interpretation, and performance of this Warrant Agreement and of the Warrants shall be governed in all respects by the laws of the State of Delaware, without giving effect to
conflict of laws. The Company and the Warrant Agent hereby agree that any action, proceeding or claim against either of them arising out of or relating in any way to this Warrant Agreement shall be brought and enforced in any state or federal court
located in the City of Wilmington, County of New Castle, and irrevocably submit to such jurisdiction, which jurisdiction shall be exclusive. The Company and the Warrant Agent hereby waive any objection to such exclusive jurisdiction and that such
courts represent an inconvenient forum. Any such process or summons to be served upon the Company or the Warrant Agent may be served by transmitting a copy thereof by registered or certified mail, return receipt requested, postage prepaid, addressed
to it at the address set forth in Section 9.2 hereof. Such mailing shall be deemed personal service and shall be legal and binding upon the party receiving such service in any action, proceeding or claim. 
 9.4. Persons Having Rights under this Warrant Agreement. Nothing in this Warrant Agreement expressed and nothing that may be
implied from any of the provisions hereof is intended, or shall be construed, to confer upon, or give to, any person or corporation, other than the parties hereto and the registered holders of the Warrants and, for the purposes of Sections 2.4,
6.1, 7.4, 9.2 and 9.8 hereof, the Representative, any right, remedy or claim under or by reason of this Warrant Agreement or of any covenant, condition, stipulation, promise or agreement hereof. The Representative shall be deemed to be a
third-party beneficiary of this Warrant Agreement with respect to Sections 2.4, 6.1, 7.4, 9.2 and 9.8 hereof. All covenants, conditions, stipulations, promises and agreements contained in this Warrant Agreement shall be for the sole and
exclusive benefit of the parties hereto (and the Representative, with respect to the Sections 2.4, 6.1, 7.4, 9.2 and 9.8 hereof) and their successors and assigns and of the registered holders of the Warrants. 
  

 10 

 9.5. Examination of the Warrant Agreement. A copy of this Warrant Agreement shall
be available at all reasonable times at the office of the Warrant Agent in the Borough of Manhattan, City and State of New York, for inspection by the registered holder of any Warrant. The Warrant Agent may require any such holder to submit
his, her or its Warrant for inspection. 
 9.6. Counterparts; Facsimile Signatures. This Warrant Agreement may be
executed in any number of counterparts, and each of such counterparts shall, for all purposes, be deemed to be an original, and all such counterparts shall together constitute one and the same instrument. Facsimile signatures shall constitute
original signatures for all purposes of this Warrant Agreement. 
 9.7. Effect of Headings. The section headings herein
are for convenience only and are not part of this Warrant Agreement and shall not affect the interpretation thereof. 
 9.8.
Amendments. Except as otherwise provided in this Warrant Agreement, this Warrant Agreement may be amended by the parties hereto without the consent of any registered holder or underwriter for the purpose of curing any ambiguity, or of curing,
correcting or supplementing any defective provision contained herein or adding or changing any other provisions with respect to matters or questions arising under this Warrant Agreement as the parties may deem necessary or desirable and that the
parties deem shall not adversely affect the interest of the registered holders. All other modifications or amendments, including any amendment to increase the Exercise Price or shorten the Exercise Period, shall require the written consent of each
of the Representative and the registered holders of a majority of the then outstanding Warrants. Notwithstanding the foregoing, the Company may lower the Exercise Price or extend the duration of the Exercise Period in accordance with
Sections 3.1 and 3.2, respectively, without such consent. 
 9.9. Severability. This Warrant Agreement
shall be deemed severable, and the invalidity or unenforceability of any term or provision hereof shall not affect the validity or enforceability of this Warrant Agreement or of any other term or provision hereof. Furthermore, in lieu of any such
invalid or unenforceable term or provision, the parties hereto intend that there shall be added as a part of this Warrant Agreement a provision as similar in terms to such invalid or unenforceable provision as may be possible and be valid and
enforceable. 
 (Remainder of page intentionally left blank. Signature page immediately follows.) 
  

 11 

 IN WITNESS WHEREOF, this Warrant Agreement has been duly executed by the parties hereto as of the day and
year first above written. 
  

									
	Attest	 		 	NATIONAL SECURITY SOLUTIONS INC.
				
	                                       
                                        
                                    
	 		 	By:	 	 
		 		 		 		 	 Name: Kenneth L. Boyda
 Title:
  Chief Executive Officer and President

  

									
	Attest	 		 	AMERICAN STOCK TRANSFER & TRUST COMPANY
				
	                                       
                                        
                                    
	 		 	By:	 	 
		 		 		 		 	 Name:
 Title:

 [SIGNATURE PAGE TO WARRANT
AGREEMENT] 

 EXHIBIT A 
 Form of Warrant 

 EXHIBIT B 
 Warrant Agent Fees

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