Specimen Stock Cerfificate




 Exhibit 4.2 
  


	COMMON STOCK	 	 	 	COMMON STOCK
	PAR VALUE $.001	 	 	 	 THIS CERTIFICATE IS TRANSFERRABLE IN
 NEW YORK, NEW YORK OR CHICAGO, ILLINOIS

	 	 	

	 	 
	 Certificate
 Number
	 	 	 	Shares
	ZQ 000181	 	 STAKTEK HOLDINGS, INC.
 INCORPORATED UNDER THE LAWS OF THE STATE OF DELAWARE
	 	 
	THIS CERTIFIES THAT	 	 	 	CUSIP 85256P 10 6
	 	 	 	

	 	 	 	 	SEE REVERSE FOR CERTAIN DEFINITIONS
	 	 	 	 	 
	 is the owner of
	 	 	 	 
	 	 	 	 	 
	                         FULLY PAID AND NON-ASSESSABLE SHARES OF THE COMMON STOCK OF Staktek Holdings, Inc.
(hereinafter called the “Company”), transferable on the books of the Company in person or by duly authorized attorney, upon surrender of this Certificate properly endorsed. This Certificate and the shares represented hereby are
issued and shall be held subject to all of the provisions of the Certificate of Incorporation, as amended, and the Bylaws, as amended, of the Company (copies of which are on file with the Company and with the Transfer Agent), to all of which each
holder, by acceptance hereof, assents. This Certificate is not valid unless countersigned and registered by the Transfer Agent and Registrar.
  
  Witness the facsimile seal of the Company and the facsimile signatures of its duly authorized
officers.

	 	 	 	 	 
	 	 	 	 	 DATED <<Month Day, Year>>

	 FACSIMILE SIGNATURE TO COME
 President
	 	 	 	 COUNTERSIGNED AND REGISTERED:

 COMPUTERSHARE INVESTOR SERVICES, LLC.
 (CHICAGO)
 TRANSFER AGENT AND REGISTRAR,

	 	 	 [SEAL OF STAKTEK HOLDINGS, INC.]
	 	 
	 FACSIMILE SIGNATURE TO COME
 Secretary
	 	 	 	 By
                                        
                                        
          
 AUTHORIZED SIGNATURE


  










 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: 
  

  
  

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

  

  
 THE COMPANY WILL FURNISH WITHOUT CHARGE TO EACH STOCKHOLDER WHO SO REQUESTS, A SUMMARY OF THE POWERS, DESIGNATIONS,
PREFERENCES AND RELATIVE, PARTICIPATING, OPTIONAL OR OTHER SPECIAL RIGHTS OF EACH CLASS OF STOCK OF THE COMPANY AND THE QUALIFICATIONS, LIMITATIONS OR RESTRICTIONS OF SUCH PREFERENCES AND RIGHTS, AND THE VARIATIONS IN RIGHTS, PREFERENCES AND
LIMITATIONS DETERMINED FOR EACH SERIES, WHICH ARE FIXED BY THE CERTIFICATE OF INCORPORATION OF THE COMPANY, AS AMENDED, AND THE RESOLUTIONS OF THE BOARD OF DIRECTORS OF THE COMPANY, AND THE AUTHORITY OF THE BOARD OF DIRECTORS TO DETERMINE VARIATIONS
FOR FUTURE SERIES. SUCH REQUEST MAY BE MADE TO THE OFFICE OF THE SECRETARY OF THE COMPANY OR TO THE TRANSFER AGENT. THE BOARD OF DIRECTORS MAY REQUIRE THE OWNER OF A LOST OR DESTROYED STOCK CERTIFICATE, OR HIS LEGAL REPRESENTATIVES, TO GIVE THE
COMPANY A BOND TO INDEMNIFY IT AND ITS TRANSFER AGENTS AND REGISTRARS AGAINST ANY CLAIM THAT MAY BE MADE AGAINST THEM ON ACCOUNT OF THE ALLEGED LOSS OR DESTRUCTION OF ANY SUCH CERTIFICATE. 
  
 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 POSTAL 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:	 	 	 	20	 	 	 	 Signature:
	 	 
	 	
	 	 	
	 	 	


  

	 Signature(s) Guaranteed:
	 	 Signature:
	 	 
	 	 	 	

				
	By:	 	 	 	 	 	 
	 	
	 	 	 	 
	THE SIGNATURE(S) SHOULD BE GUARANTEED BY AN ELIGIBLE GUARANTOR INSTITUTION (Banks, Stockbrokers, Savings and Loan Associations and Credit Unions) WITH MEMBERSHIP IN AN
APPROVED SIGNATURE GUARANTEE MEDALLION PROGRAM, PURSUANT TO S.E.C. RULE 17Ad-15.	 	 Notice:
	 	THE SIGNATURE TO THIS ASSIGNMENT MUST CORRESPOND WITH THE NAME AS WRITTEN UPON THE FACE OF THE CERTIFICATE, IN EVERY PARTICULAR, WITHOUT ALTERATION OR
ENLARGEMENT, OR ANY CHANGE WHATEVER.