Form of Specimen Common Stock Certificate




 Exhibit 4.1 
  

			
	COUNTERSIGNED AND REGISTERED:
	 MELLON INVESTOR SERVICES LLC

	 TRANSFER AGENT
 AND REGISTRAR

		
	BY	 	  
		 	AUTHORIZED SIGNATURE

  

									
	

	  		  	 



	  	  
	 COMMON STOCK
 Incorporated under the laws of
 the State of Delaware
	  	KBR, Inc.	  	 CUSIP 48242W 10 6
 SEE REVERSE
FOR CERTAIN DEFINITIONS

	  
 this certifies
that

	  
 is the owner
of

	  
 FULLY PAID AND NON-ASSESSABLE SHARES OF THE
COMMON STOCK OF THE PAR VALUE OF $0.001 EACH OF

	  
 KBR, Inc.

	  
 transferable on the
books of the Corporation by the holder hereof in person or by duly authorized attorney upon surrender of this
 certificate properly endorsed.
  
 This certificate is not
valid until countersigned by the Transfer Agent and registered by the Registrar.

	  
 WITNESS the facsimile seal of the Corporation
and the facsimile signatures of its duly authorized officers.

	  
 Dated:


  

							
	

	  	

	  	


	SENIOR VICE PRESIDENT AND SECRETARY	  	  	PRESIDENT AND CHIEF EXECUTIVE OFFICER











 THE CORPORATION WILL FURNISH WITHOUT CHARGE TO EACH STOCKHOLDER WHO SO REQUESTS, A FULL STATEMENT OF THE DESIGNATIONS,
RELATIVE RIGHTS, PREFERENCES AND LIMITATIONS OF EACH CLASS OF STOCK OR SERIES THEREOF AUTHORIZED TO BE ISSUED AND THE AUTHORITY OF THE BOARD OF DIRECTORS OF THE CORPORATION TO DESIGNATE AND FIX THE RELATIVE RIGHTS, PREFERENCES AND LIMITATIONS OF
CLASSES OF PREFERRED STOCK IN SERIES. 
  

											
	 The following abbreviations, when used in the inscription on the face of this certificate, shall be construed as though they were
written out in full according to applicable laws or regulations:
  

						
		  		  	UNIF GIFT MIN ACT – 	  	  	  	Custodian	  	  
	TEN COM	  	– as tenants in common	  		  	(Cust)	  		  	(Minor)
	  
 TEN ENT
	  	  
 – as tenants by the entireties
	  		  	under Uniform Gifts to Minors
	  
 JT TEN
	  	  
 – as joint tenants with right of survivorship
    and not as tenants in
common
	  		  	Act 	  	  
		  	  		  		  	(State)
		
		  	Additional abbreviations may also be used though not in the above list.

 For value received,              hereby sell,
assign and transfer unto 
  

			
	 PLEASE INSERT SOCIAL SECURITY OR OTHER
IDENTIFYING NUMBER OF ASSIGNEE
  
	 	 
	 	
	   	 	  


			
		
	  	 	  
	(PLEASE PRINT OR TYPEWRITE NAME AND ADDRESS INCLUDING ZIP CODE OF ASSIGNEE)	 	
		
	  	 	  
		
	  	 	  
		
	  	 	shares
	of the capital stock represented by the within Certificate, and do hereby irrevocably constitute and appoint
	  	 	 Attorney

	to transfer the said stock on the books of the within named Corporation with full power of substitution in the premises.

  

											
	 Dated                                 
	 		 		 		 	
		 		 		 	X	 	  
	 NOTICE:
 THE SIGNATURE(S) TO THIS ASSIGNMENT MUST CORRESPOND WITH THE NAME(S) AS WRITTEN UPON THE FACE OF THE CERTIFICATE IN EVERY PARTICULAR WITHOUT ALTERATION OR ENLARGEMENT OR ANY CHANGE WHATEVER.
	 	 è
	 		 		 	(SIGNATURE)
	 	 	 	X	 	  
		 		 		 		 	(SIGNATURE)
					
		 		 		 		 	THE SIGNATURE(S) MUST BE GUARANTEED BY AN ELIGIBLE GUARANTOR INSTITUTION (BANKS, STOCKBROKERS, SAVINGS AND LOAN ASSOCIATIONS AND CREDIT UNIONS WITH MEMBERSHIP IN AN APPROVED
SIGNATURE GUARANTEE PROGRAM), PURSUANT TO S.E.C. RULE 17Ad-15.
					
		 		 		 		 	 SIGNATURE(S) GUARANTEED BY: