Exhibit 4.1


 


	
   

  	
   

  	
  

  	
   

  	
   

  
	
   

  	
   

  
	
   

  	
   

  
	
   

  	
   

  
	
  NUMBER

  	
  SHARES

  
	
   

  	
   

  
	
   

  	
   

  	
  MWI
  VETERINARY SUPPLY, INC.

  	
   

  	
   

  
	
   

  	
   

  	
   

  	
   

  	
   

  
	
  INCORPORATED UNDER THE LAWS OF THE STATE OF DELAWARE

  
	
   

  
	
   

  	
   

  	
   

  	
   

  	
  SEE
  REVERSE SIDE

  
	
   

  	
   

  	
   

  	
   

  	
  FOR CERTAIN DEFINITIONS

  
	
   

  	
   

  	
   

  	
   

  	
   

  
	
   

  	
   

  	
   

  	
   

  	
  CUSIP
  55402X 10 5

  
	
   

  	
   

  	
   

  	
   

  	
   

  
	
   

  	
   

  	
  COMMON

  	
   

  	
   

  
	
   

  	
   

  	
   

  	
   

  	
   

  
	
  THIS
  CERTIFIES THAT

  	
   

  	
   

  	
   

  	
   

  
	
   

  	
   

  	
   

  	
   

  	
   

  
	
   

  	
   

  	
   

  	
   

  	
   

  
	
  is the
  owner of

  	
   

  	
   

  	
   

  	
   

  
	
   

  	
   

  	
   

  	
   

  	
   

  
	
   

  	
   

  	
   

  	
   

  	
   

  
	
  FULLY
  PAID AND NON-ASSESSABLE COMMON SHARES, $0.01 PAR VALUE, OF

  
	
   

  
	
   

  	
   

  	
  MWI VETERINARY SUPPLY, INC.

  	
   

  	
   

  



 


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


 


IN WITNESS
WHEREOF, the said Corporation has caused this certificate to be signed by
facsimile signatures of its duly authorized officers.


 


	
  Dated:

  	
   

  	
   

  
	
   

  	
   

  	
   

  
	
  /s/ Mary Patricia B. Thompson

  	
   

  	
  /s/
  James F. Cleary, Jr.

  
	
  VICE PRESIDENT, CHIEF FINANCIAL OFFICER, AND SECRETARY

  	
   

  	
  PRESIDENT
  AND CHIEF EXECUTIVE OFFICER

  



 


	
   

  	
  COUNTERSIGNED AND
  REGISTERED:

  
	
   

  	
   

  	
  WELLS FARGO BANK, N.A.

  
	
   

  	
   

  
	
   

  	
   

  	
  TRANSFER
  AGENT

  	
   

  
	
   

  	
   

  	
  AND
  REGISTRAR

  	
   

  
	
   

  	
  BY

  	
   

  	
   

  
	
   

  	
   

  	
   

  	
   

  
	
   

  	
   

  	
   

  	
   

  
	
   

  	
   

  	
  AUTHORIZED
  SIGNATURE

  	
   

  
					



 


AMERICAN FINANCIAL PRINTING INCORPORATED – MINNEAPOLIS


 





















 


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

  	
  UTMA – 

  	
   

  	
  Custodian

  	
   

  
	
   

  	
   

  	
   

  	
   

  	
  (Cust)

  	
   

  	
  (Minor)

  
	
  TEN ENT 

  	
  –

  	
  as tenants by entireties

  	
   

  	
  under Uniform Transfer to
  Minors

  
	
   

  	
   

  	
   

  	
   

  	
   

  
	
  JT TEN 

  	
  –

  	
  as joint tenants with right of survivorship

  	
   

  	
  Act

  	
   

  
	
   

  	
  and not as tenants in common

  	
   

  	
   

  	
  (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 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

  	
  X

  	
   

  
	
   

  	
   

  
	
  X

  	
   

  
	
   

  	
  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.

  
							



 


 


	
  SIGNATURE GUARANTEED

  
	
   

  
	
  ALL GUARANTEES MUST BE
  MADE BY A FINANCIAL INSTITUTION (SUCH

  
	
  AS A BANK OR BROKER) WHICH
  IS A PARTICIPANT IN THE SECURITIES

  
	
  TRANSFER AGENTS MEDALLION
  PROGRAM (“STAMP”), THE NEW YORK

  
	
  STOCK EXCHANGE, INC.
  MEDALLION SIGNATURE PROGRAM (“MSP”), OR

  
	
  THE STOCK EXCHANGES
  MEDALLION PROGRAM (“SEMP”) AND MUST NOT

  
	
  BE DATED. GUARANTEES BY A
  NOTARY PUBLIC ARE NOT ACCEPTABLE.