Document:

Form of Rule 144A Global Note

 Exhibit 4.2.1 
 THIS GLOBAL NOTE IS HELD BY THE DEPOSITARY (AS DEFINED IN THE INDENTURE GOVERNING THIS NOTE) OR ITS NOMINEE IN CUSTODY FOR THE BENEFIT OF THE BENEFICIAL OWNERS HEREOF, AND IS NOT TRANSFERABLE TO ANY
PERSON UNDER ANY CIRCUMSTANCES EXCEPT THAT (I) THE TRUSTEE MAY MAKE SUCH NOTATIONS HEREON AS MAY BE REQUIRED PURSUANT TO SECTION 2.06(h) OF THE INDENTURE, (II) THIS GLOBAL NOTE MAY BE EXCHANGED IN WHOLE BUT NOT IN PART PURSUANT TO SECTION
2.06(a) OF THE INDENTURE, (III) THIS GLOBAL NOTE MAY BE DELIVERED TO THE TRUSTEE FOR CANCELLATION PURSUANT TO SECTION 2.11 OF THE INDENTURE AND (IV) THIS GLOBAL NOTE MAY BE TRANSFERRED TO A SUCCESSOR DEPOSITARY WITH THE PRIOR WRITTEN CONSENT OF THE
ISSUER. UNLESS AND UNTIL IT IS EXCHANGED IN WHOLE OR IN PART FOR NOTES IN DEFINITIVE FORM, THIS NOTE MAY NOT BE TRANSFERRED EXCEPT AS A WHOLE BY THE DEPOSITARY TO A NOMINEE OF THE DEPOSITARY OR BY A NOMINEE OF THE DEPOSITARY TO THE DEPOSITARY OR
ANOTHER NOMINEE OF THE DEPOSITARY OR BY THE DEPOSITARY OR ANY SUCH NOMINEE TO A SUCCESSOR DEPOSITARY OR A NOMINEE OF SUCH SUCCESSOR DEPOSITARY. UNLESS THIS CERTIFICATE IS PRESENTED BY AN AUTHORIZED REPRESENTATIVE OF THE DEPOSITORY TRUST COMPANY (55
WATER STREET, NEW YORK, NEW YORK) (“DTC”) TO THE ISSUER OR ITS AGENT FOR REGISTRATION OF TRANSFER, EXCHANGE OR PAYMENT, AND ANY CERTIFICATE ISSUED IS REGISTERED IN THE NAME OF CEDE & CO. OR SUCH OTHER NAME AS MAY BE REQUESTED BY
AN AUTHORIZED REPRESENTATIVE OF DTC (AND ANY PAYMENT IS MADE TO CEDE & CO. OR SUCH OTHER ENTITY AS MAY BE REQUESTED BY AN AUTHORIZED REPRESENTATIVE OF DTC), ANY TRANSFER, PLEDGE OR OTHER USE HEREOF FOR VALUE OR OTHERWISE BY OR TO ANY PERSON
IS WRONGFUL INASMUCH AS THE REGISTERED OWNER HEREOF, CEDE & CO., HAS AN INTEREST HEREIN. 
 THIS NOTE AND THE RELATED GUARANTEES HAVE
NOT BEEN REGISTERED UNDER THE SECURITIES ACT OF 1933, AS AMENDED (THE “SECURITIES ACT”), OR ANY STATE SECURITIES LAWS. NEITHER THIS NOTE NOR THE RELATED GUARANTEES NOR ANY INTEREST OR PARTICIPATION HEREIN MAY BE OFFERED, SOLD, ASSIGNED,
TRANSFERRED, PLEDGED, ENCUMBERED OR OTHERWISE DISPOSED OF IN THE ABSENCE OF SUCH REGISTRATION OR UNLESS SUCH TRANSACTION IS EXEMPT FROM, OR NOT SUBJECT TO, THE REGISTRATION REQUIREMENTS OF THE SECURITIES ACT. THE HOLDER OF THIS NOTE AND THE RELATED
GUARANTEES BY ITS ACCEPTANCE HEREOF AGREES TO OFFER, SELL OR OTHERWISE TRANSFER SUCH NOTE, PRIOR TO THE DATE WHICH IS ONE YEAR AFTER THE LATER OF THE ORIGINAL ISSUE DATE HEREOF AND THE LAST DATE ON WHICH THE ISSUER OR ANY AFFILIATE OF THE ISSUER WAS
THE OWNER OF THIS NOTE AND THE RELATED GUARANTEES (OR ANY PREDECESSOR OF THIS NOTE AND THE RELATED GUARANTEES) (THE “RESALE RESTRICTION TERMINATION DATE”) ONLY (A) PURSUANT TO AN EFFECTIVE REGISTRATION STATEMENT UNDER THE SECURITIES
ACT, (B) FOR SO LONG AS THE NOTES ARE ELIGIBLE FOR RESALE PURSUANT TO RULE 144A UNDER THE SECURITIES ACT (“RULE 144A”), TO A PERSON IT REASONABLY BELIEVES IS A “QUALIFIED INSTITUTIONAL BUYER” DEFINED IN RULE 144A THAT
PURCHASES FOR ITS OWN ACCOUNT OR FOR THE ACCOUNT OF A QUALIFIED INSTITUTIONAL BUYER TO WHOM NOTICE IS GIVEN THAT THE TRANSFER IS BEING MADE IN RELIANCE ON RULE 144A, (C) PURSUANT TO OFFERS AND SALES TO NON-U.S. PERSONS THAT OCCUR OUTSIDE THE
UNITED STATES WITHIN THE MEANING OF REGULATION S UNDER THE SECURITIES ACT OR (D) PURSUANT TO ANOTHER AVAILABLE EXEMPTION FROM THE REGISTRATION REQUIREMENTS OF THE SECURITIES ACT, SUBJECT TO THE ISSUER’S AND THE TRUSTEE’S RIGHT PRIOR
TO ANY SUCH OFFER, SALE OR TRANSFER (i) PURSUANT TO CLAUSE (C) PRIOR TO THE END OF THE DISTRIBUTION COMPLIANCE PERIOD WITHIN THE MEANING OF REGULATION S UNDER THE SECURITIES ACT OR PURSUANT TO CLAUSE (D) PRIOR TO THE RESALE
RESTRICTION TERMINATION DATE TO REQUIRE THE DELIVERY OF AN OPINION OF COUNSEL, CERTIFICATION AND/OR OTHER INFORMATION SATISFACTORY TO EACH OF THEM, AND (ii) IN EACH OF THE FOREGOING CASES, TO REQUIRE THAT A CERTIFICATE OF TRANSFER IN THE FORM
APPEARING ON THIS NOTE IS COMPLETED AND DELIVERED BY THE TRANSFEROR TO THE TRUSTEE. 
 THIS LEGEND WILL BE REMOVED UPON THE REQUEST OF A HOLDER
ONLY AT THE DIRECTION AND IN THE ABSOLUTE DISCRETION OF THE ISSUER AFTER THE DISTRIBUTION COMPLIANCE PERIOD OR RESALE RESTRICTION TERMINATION DATE, AS APPLICABLE. 

					
	CUSIP 090613 AF7	  		  	
	ISIN US090613AF78	  		  	
		  	RULE 144A GLOBAL NOTE
	  	
		  	6.500% Senior Notes due 2020	  	
	No. A-3	  		  	$500,000,000

 Biomet, Inc., an Indiana corporation, promises to pay to CEDE & CO. or registered assigns, the principal sum of
FIVE HUNDRED MILLION United States Dollars on August 1, 2020. 
 Interest Payment Dates: August 1 and February 1, commencing on
February 1, 2013 
 Record Dates: July 15 and January 15 

 IN WITNESS HEREOF, the Issuer has caused this instrument to be duly executed.

 Dated: October 2, 2012 
  

					
	BIOMET, INC.
		
	By:	 	 /s/ Daniel P. Florin

		 	Name:	 	Daniel P. Florin
		 	Title:	 	 Senior Vice President and Chief
 Financial Officer

 This is one of the Notes referred to in the within-mentioned Indenture: 

 

			
	 WELLS FARGO BANK, NATIONAL ASSOCIATION,
 as Trustee

		
	By:	 	/s/ Yana Kislenko
		 	Name: Yana Kislenko
		 	Title:   Vice President
		
		 	Date: October 2, 2012

 6.500% Senior Notes due 2020 

Capitalized terms used herein shall have the meanings assigned to them in the Indenture referred to below unless otherwise indicated.

 1. INTEREST. Biomet, Inc., an Indiana corporation (the “Issuer”), promises to pay interest on the principal
amount of this Note at a rate per annum of 6.500% from August 8, 2012 until maturity and to pay the Additional Interest, if any, payable pursuant to the Registration Rights Agreement referred to below or pursuant to Section 6.02 of the
Indenture. The Issuer will pay interest on this Note semi-annually in arrears on August 1 and February 1 of each year or, if any such day is not a Business Day, on the next succeeding Business Day (each, an “Interest Payment
Date”). The Issuer will make each interest payment to the Holder of record of this Note on the immediately preceding July 15 and January 15 (each, a “Record Date”). Interest on this Note will accrue from the most
recent date to which interest has been paid or, if no interest has been paid, from and including August 8, 2012; provided that the first Interest Payment Date shall be February 1, 2013. The Issuer will pay interest (including
post-petition interest in any proceeding under any Bankruptcy Law) on overdue principal and premium, if any, from time to time on demand at the rate borne by this Note; it shall pay interest (including post-petition interest in any proceeding under
any Bankruptcy Law) on overdue installments of interest (without regard to any applicable grace periods) from time to time on demand at the rate borne by this Note. Interest will be computed on the basis of a 360-day year comprised of twelve 30-day
months. 
 2. METHOD OF PAYMENT. The Issuer will pay interest on this Note to the Person who is the registered Holder of this
Note at the close of business on the Record Date (whether or not a Business Day) next preceding the Interest Payment Date, even if this Note is cancelled after such record date and on or before such Interest Payment Date, except as provided in
Section 2.12 of the Indenture with respect to defaulted interest. Payment of interest may be made by check mailed to the Holders at their addresses set forth in the Note Register of Holders, provided that (a) all payments of
principal, premium, if any, and interest on, Notes represented by Global Notes registered in the name of or held by DTC or its nominee will be made by wire transfer of immediately available funds to the accounts specified by the Holder or Holders
thereof and (b) all payments of principal, premium, if any, and interest with respect to certificated Notes will be made by wire transfer to a U.S. dollar account maintained by the payee with a bank in the United States if such Holder elects
payment by wire transfer by giving written notice to the Trustee or the Paying Agent to such effect designating such account no later than 30 days immediately preceding the relevant due date for payment (or such other date as the Trustee may accept
in its discretion). Such payment shall be in such coin or currency of the United States of America as at the time of payment is legal tender for payment of public and private debts. 

3. PAYING AGENT AND REGISTRAR. Initially, Wells Fargo Bank, National Association, the Trustee under the Indenture, will act as Paying
Agent and Registrar. The Issuer may change any Paying Agent or Registrar without notice to the Holders. The Issuer or any of its Subsidiaries may act in any such capacity. 
 4. INDENTURE. The Issuer issued the Notes under a Senior Notes Indenture, dated as of August 8, 2012 (the “Indenture”), among the Issuer, the Guarantors named therein and the
Trustee. This Note is one of a duly authorized issue of notes of the Issuer designated as its 6.500% Senior Notes due 2020. The Issuer shall be entitled to issue Additional Notes pursuant to Sections 2.01 and 4.09 of the Indenture. The terms of the
Notes include those stated in the Indenture and those made part of the Indenture by reference to the Trust Indenture Act of 1939, as amended (the “Trust Indenture Act”). The Notes are subject to all such terms, and Holders are
referred to the Indenture and the Trust Indenture Act for a statement of such terms. To the extent any provision of this Note conflicts with the express provisions of the Indenture, the provisions of the Indenture shall govern and be controlling.

 5. OPTIONAL REDEMPTION. 
 Except as described below under clauses 5(b), 5(c) and 5(d) hereof, the Notes will not be redeemable at the Issuer’s option. 
 At any time prior to August 1, 2015, the Issuer may redeem all or a part of the Notes at a redemption price equal to 100.0% of the principal amount of the Notes redeemed plus the Applicable Premium
as of, plus accrued and unpaid interest, if any, to the date of redemption (the “Redemption Date”), subject to the rights of Holders of Notes on the relevant Record Date to receive interest due on the relevant Interest Payment Date.

 Until August 1, 2015, the Issuer may, at its option, on one or more occasions redeem up
to 35.0% of the aggregate principal amount of Notes at a redemption price equal to 106.500% of the aggregate principal amount thereof, plus accrued and unpaid interest, if any, to the Redemption Date, subject to the right of Holders of Notes of
record on the relevant Record Date to receive interest due on the relevant Interest Payment Date, with the net cash proceeds received by the Issuer from one or more Equity Offerings; provided that at least 50.0% of the sum of the aggregate
principal amount of the Notes issued under the Indenture remains outstanding immediately after the occurrence of each such redemption; provided, further, that each such redemption occurs within 180 days of the date of closing of each
such Equity Offering. Notice of any redemption upon any Equity Offering may be given prior to the redemption thereof. All redemption or notices may, at the Issuer’s discretion, be subject to one or more conditions precedent, including, but not
limited to, completion of a related Equity Offering. 
 On and after August 1, 2015, the Issuer may redeem the Notes, in
whole or in part at the redemption prices (expressed as percentages of principal amount of the Notes to be redeemed) set forth below, plus accrued and unpaid interest, if any, to the Redemption Date (subject to the right of Holders of Notes of
record on the relevant Record Date to receive interest due on the relevant Interest Payment Date) if redeemed during the twelve-month period beginning on August 1 of each of the years indicated below: 

 

					
	 Year
	  	Percentage	 
	 2015
	  	 	104.875	% 
	 2016
	  	 	103.250	% 
	 2017
	  	 	101.625	% 
	 2018 and thereafter
	  	 	100.000	% 

 Any redemption pursuant to this paragraph 5 shall be made pursuant to the provisions of Sections 3.01
through 3.06 of the Indenture. 
 6. MANDATORY REDEMPTION. The Issuer shall not be required to make mandatory redemption or
sinking fund payments with respect to the Notes. 
 7. NOTICE OF REDEMPTION. Subject to Section 3.03 of
the Indenture, notice of redemption will be delivered electronically or mailed by first-class mail at least 30 days but not more than 60 days before the redemption date (except that redemption notices may be delivered electronically or mailed more
than 60 days prior to a redemption date if the notice is issued in connection with Article VIII or Article XI of the Indenture) to each Holder whose Notes are to be redeemed at its registered address. No Notes of less than $1,000 can be redeemed in
part, except that if all the Notes of a Holder are to be redeemed, the entire amount of Notes held by such Holder shall be redeemed. On and after the Redemption Date, interest ceases to accrue on this Note or portions thereof called for redemption.

 8. OFFERS TO REPURCHASE. Upon the occurrence of a Change of Control, the Issuer shall make a Change of Control Offer in
accordance with Section 4.14 of the Indenture. In connection with certain Asset Sales, the Issuer shall make an Asset Sale Offer as and when provided in accordance with Sections 3.09 and 4.10 of the Indenture. 

9. DENOMINATIONS, TRANSFER, EXCHANGE. The Notes are in registered form without coupons in denominations of $1,000 and any integral
multiple of $1,000 in excess of $1,000. The transfer of Notes may be registered and Notes may be exchanged as provided in the Indenture. The Registrar and the Trustee may require a Holder, among other things, to furnish appropriate endorsements and
transfer documents and the Issuer may require a Holder to pay any taxes and fees required by law or permitted by the Indenture. The Issuer need not exchange or register the transfer of any Note or portion of a Note selected for redemption, except
for the unredeemed portion of any Note being redeemed in part. Also, the Issuer need not exchange of register the transfer of any Notes for a period of 15 days before a selection of Notes to be redeemed. 

 10. PERSONS DEEMED OWNERS. The registered Holder of a Note may be treated as its owner for
all purposes. 
 11. AMENDMENT, SUPPLEMENT AND WAIVER. The Indenture, the Guarantees or the Notes may be amended or supplemented
as provided in the Indenture 
 12. DEFAULTS AND REMEDIES. The Events of Default relating to the Notes are defined in
Section 6.01 of the Indenture. If any Event of Default occurs and is continuing, the Trustee or the Holders of at least 30.0% in principal amount of the then outstanding Notes may declare the principal, premium, if any, interest and any other
monetary obligations on all the then outstanding Notes to be due and payable immediately. Notwithstanding the foregoing, in the case of an Event of Default arising from certain events of bankruptcy or insolvency, all outstanding Notes will become
due and payable immediately without further action or notice. Holders may not enforce the Indenture, the Notes or the Guarantees except as provided in the Indenture. Subject to certain limitations, Holders of a majority in aggregate principal amount
of the then outstanding Notes may direct the Trustee in its exercise of any trust or power. The Trustee may withhold from Holders of the Notes notice of any continuing Default (except a Default relating to the payment of principal, premium, if any,
or interest) if it determines that withholding notice is in their interest. The Holders of a majority in aggregate principal amount of the Notes then outstanding by notice to the Trustee may on behalf of the Holders of all of the Notes waive any
existing Default or and its consequences under the Indenture, except a continuing Default in payment of the principal of, premium, if any, or interest on, any of the Notes held by a non-consenting Holder. The Issuer is required to deliver to the
Trustee annually a statement regarding compliance with the Indenture, and the Issuer is required within five Business Days after becoming aware of any Default, to deliver to the Trustee a statement specifying such Default and what action the Issuer
proposes to take with respect thereto. 
 13. AUTHENTICATION. This Note shall not be entitled to any benefit
under the Indenture or be valid or obligatory for any purpose until authenticated by the manual signature of the Trustee. 
 14.
ADDITIONAL RIGHTS OF HOLDERS OF RESTRICTED GLOBAL NOTES AND RESTRICTED DEFINITIVE NOTES. In addition to the rights provided to Holders of Notes under the Indenture, Holders of Restricted Global Notes and Restricted Definitive Notes shall have all
the rights set forth in the Registration Rights Agreement, including the right to receive Additional Interest (as defined in the Registration Rights Agreement or as set forth in Section 6.02 of the Indenture). 

15. GOVERNING LAW. THE LAWS OF THE STATE OF NEW YORK SHALL GOVERN AND BE USED TO CONSTRUE THE INDENTURE, THE NOTES AND THE GUARANTEES.

 16. CUSIP AND ISIN NUMBERS. Pursuant to a recommendation promulgated by the Committee on Uniform Security Identification
Procedures, the Issuer has caused CUSIP and ISIN numbers to be printed on the Notes and the Trustee may use CUSIP and ISIN numbers, in notices of redemption as a convenience to Holders. No representation is made as to the accuracy of such numbers
either as printed on the Notes or as contained in any notice of redemption and reliance may be placed only on the other identification numbers placed thereon. 
 The Issuer will furnish to any Holder upon written request and without charge a copy of the Indenture and/or the Registration Rights Agreement. Requests may be made to the Issuer at the following address:

 Biomet, Inc. 
 P.O. Box 587 
 56 East Bell Drive 

Warsaw, Indiana 46581 - 0587 
 Fax No.: 574-372-1960 
 Attention: General Counsel 

 ASSIGNMENT FORM 
 To assign this Note, fill in the form below:
                                         
                                         
           

                         
                                         
                                         
 (Insert assignee’s legal name) 
 (Insert assignee’s soc. sec. or tax I.D no.) 

(Print or type assignee’s name, address and zip code) 
 and irrevocably
appoint                                        
                                         
                                         
               
 to transfer this Note on the books of the Issuer. The
agent may substitute another to act for him. 
 Date:
                         

 

			
	Your Signature:	 	  

		 	(Sign exactly as your name appears on the face of this Note)

 Signature Guarantee*:
                                     

* Participant in a recognized Signature Guarantee Medallion Program (or other signature guarantor acceptable to the Trustee). 

 OPTION OF HOLDER TO ELECT PURCHASE 

If you want to elect to have this Note purchased by the Issuer pursuant to Section 4.10 or 4.14 of the Indenture, check the
appropriate box below: 
 [ ] Section 4.10             [ ]
Section 4.14 
 If you want to elect to have only part of this Note purchased by the Issuer pursuant to Section 4.10
or Section 4.14 of the Indenture, state the amount you elect to have purchased: 

$                      
           
 Date:
                     
  

			
	Your Signature:	 	  

		 	 (Sign exactly as your name appears on the
 face of this Note)

                       
                                         
                            Tax Identification
No:                                        
                     
 Signature
Guarantee*:
                                         
                    
 * Participant in a
recognized Signature Guarantee Medallion Program (or other signature guarantor acceptable to the Trustee). 

 SCHEDULE OF EXCHANGES OF INTERESTS IN THE GLOBAL NOTE* 

The initial outstanding principal amount of this Global Note is $500,000,000. The following exchanges of a part of this Global Note for
an interest in another Global Note or for a Definitive Note, or exchanges of a part of another Global or Definitive Note for an interest in this Global Note, have been made: 

 

									
	 Date of
Exchange
	 	 Amount of
decrease in
Principal
Amount of
this
Global Note
	 	 Amount of
increase in
Principal
Amount of
this
Global Note
	 	 Principal
Amount of this
Global Note
following
such
decrease or
increase
	 	 
Signature of
authorized
officer of Trustee
or
Custodian

  
  

* This schedule should be included only if the Note is issued in global form.Form of Rule 144A Global Note

 Exhibit 4.2.2 
 THIS GLOBAL NOTE IS HELD BY THE DEPOSITARY (AS DEFINED IN THE INDENTURE GOVERNING THIS NOTE) OR ITS NOMINEE IN CUSTODY FOR THE BENEFIT OF THE BENEFICIAL OWNERS HEREOF, AND IS NOT TRANSFERABLE TO ANY
PERSON UNDER ANY CIRCUMSTANCES EXCEPT THAT (I) THE TRUSTEE MAY MAKE SUCH NOTATIONS HEREON AS MAY BE REQUIRED PURSUANT TO SECTION 2.06(h) OF THE INDENTURE, (II) THIS GLOBAL NOTE MAY BE EXCHANGED IN WHOLE BUT NOT IN PART PURSUANT TO SECTION
2.06(a) OF THE INDENTURE, (III) THIS GLOBAL NOTE MAY BE DELIVERED TO THE TRUSTEE FOR CANCELLATION PURSUANT TO SECTION 2.11 OF THE INDENTURE AND (IV) THIS GLOBAL NOTE MAY BE TRANSFERRED TO A SUCCESSOR DEPOSITARY WITH THE PRIOR WRITTEN CONSENT OF THE
ISSUER. UNLESS AND UNTIL IT IS EXCHANGED IN WHOLE OR IN PART FOR NOTES IN DEFINITIVE FORM, THIS NOTE MAY NOT BE TRANSFERRED EXCEPT AS A WHOLE BY THE DEPOSITARY TO A NOMINEE OF THE DEPOSITARY OR BY A NOMINEE OF THE DEPOSITARY TO THE DEPOSITARY OR
ANOTHER NOMINEE OF THE DEPOSITARY OR BY THE DEPOSITARY OR ANY SUCH NOMINEE TO A SUCCESSOR DEPOSITARY OR A NOMINEE OF SUCH SUCCESSOR DEPOSITARY. UNLESS THIS CERTIFICATE IS PRESENTED BY AN AUTHORIZED REPRESENTATIVE OF THE DEPOSITORY TRUST COMPANY (55
WATER STREET, NEW YORK, NEW YORK) (“DTC”) TO THE ISSUER OR ITS AGENT FOR REGISTRATION OF TRANSFER, EXCHANGE OR PAYMENT, AND ANY CERTIFICATE ISSUED IS REGISTERED IN THE NAME OF CEDE & CO. OR SUCH OTHER NAME AS MAY BE REQUESTED BY
AN AUTHORIZED REPRESENTATIVE OF DTC (AND ANY PAYMENT IS MADE TO CEDE & CO. OR SUCH OTHER ENTITY AS MAY BE REQUESTED BY AN AUTHORIZED REPRESENTATIVE OF DTC), ANY TRANSFER, PLEDGE OR OTHER USE HEREOF FOR VALUE OR OTHERWISE BY OR TO ANY PERSON
IS WRONGFUL INASMUCH AS THE REGISTERED OWNER HEREOF, CEDE & CO., HAS AN INTEREST HEREIN. 
 THIS NOTE AND THE RELATED GUARANTEES HAVE
NOT BEEN REGISTERED UNDER THE SECURITIES ACT OF 1933, AS AMENDED (THE “SECURITIES ACT”), OR ANY STATE SECURITIES LAWS. NEITHER THIS NOTE NOR THE RELATED GUARANTEES NOR ANY INTEREST OR PARTICIPATION HEREIN MAY BE OFFERED, SOLD, ASSIGNED,
TRANSFERRED, PLEDGED, ENCUMBERED OR OTHERWISE DISPOSED OF IN THE ABSENCE OF SUCH REGISTRATION OR UNLESS SUCH TRANSACTION IS EXEMPT FROM, OR NOT SUBJECT TO, THE REGISTRATION REQUIREMENTS OF THE SECURITIES ACT. THE HOLDER OF THIS NOTE AND THE RELATED
GUARANTEES BY ITS ACCEPTANCE HEREOF AGREES TO OFFER, SELL OR OTHERWISE TRANSFER SUCH NOTE, PRIOR TO THE DATE WHICH IS ONE YEAR AFTER THE LATER OF THE ORIGINAL ISSUE DATE HEREOF AND THE LAST DATE ON WHICH THE ISSUER OR ANY AFFILIATE OF THE ISSUER WAS
THE OWNER OF THIS NOTE AND THE RELATED GUARANTEES (OR ANY PREDECESSOR OF THIS NOTE AND THE RELATED GUARANTEES) (THE “RESALE RESTRICTION TERMINATION DATE”) ONLY (A) PURSUANT TO AN EFFECTIVE REGISTRATION STATEMENT UNDER THE SECURITIES
ACT, (B) FOR SO LONG AS THE NOTES ARE ELIGIBLE FOR RESALE PURSUANT TO RULE 144A UNDER THE SECURITIES ACT (“RULE 144A”), TO A PERSON IT REASONABLY BELIEVES IS A “QUALIFIED INSTITUTIONAL BUYER” DEFINED IN RULE 144A THAT
PURCHASES FOR ITS OWN ACCOUNT OR FOR THE ACCOUNT OF A QUALIFIED INSTITUTIONAL BUYER TO WHOM NOTICE IS GIVEN THAT THE TRANSFER IS BEING MADE IN RELIANCE ON RULE 144A, (C) PURSUANT TO OFFERS AND SALES TO NON-U.S. PERSONS THAT OCCUR OUTSIDE THE
UNITED STATES WITHIN THE MEANING OF REGULATION S UNDER THE SECURITIES ACT OR (D) PURSUANT TO ANOTHER AVAILABLE EXEMPTION FROM THE REGISTRATION REQUIREMENTS OF THE SECURITIES ACT, SUBJECT TO THE ISSUER’S AND THE TRUSTEE’S RIGHT PRIOR
TO ANY SUCH OFFER, SALE OR TRANSFER (i) PURSUANT TO CLAUSE (C) PRIOR TO THE END OF THE DISTRIBUTION COMPLIANCE PERIOD WITHIN THE MEANING OF REGULATION S UNDER THE SECURITIES ACT OR PURSUANT TO CLAUSE (D) PRIOR TO THE RESALE
RESTRICTION TERMINATION DATE TO REQUIRE THE DELIVERY OF AN OPINION OF COUNSEL, CERTIFICATION AND/OR OTHER INFORMATION SATISFACTORY TO EACH OF THEM, AND (ii) IN EACH OF THE FOREGOING CASES, TO REQUIRE THAT A CERTIFICATE OF TRANSFER IN THE FORM
APPEARING ON THIS NOTE IS COMPLETED AND DELIVERED BY THE TRANSFEROR TO THE TRUSTEE. 
 THIS LEGEND WILL BE REMOVED UPON THE REQUEST OF A HOLDER
ONLY AT THE DIRECTION AND IN THE ABSOLUTE DISCRETION OF THE ISSUER AFTER THE DISTRIBUTION COMPLIANCE PERIOD OR RESALE RESTRICTION TERMINATION DATE, AS APPLICABLE. 

 CUSIP 090613 AF7 
 ISIN US090613AF78 
 RULE 144A GLOBAL NOTE 

6.500% Senior Notes due 2020 
  

			
	 No. A-4
	  	$321,330,000

 Biomet, Inc., an Indiana corporation, promises to pay to CEDE & CO. or registered assigns, the principal sum of
THREE HUNDRED TWENTY-ONE MILLION THREE HUNDRED THIRTY THOUSAND United States Dollars on August 1, 2020. 
 Interest Payment Dates:
August 1 and February 1, commencing on February 1, 2013 
 Record Dates: July 15 and January 15 

 IN WITNESS HEREOF, the Issuer has caused this instrument to be duly executed.

 Dated: October 2, 2012 
  

			
	BIOMET, INC.
		
	By:	 	 /s/ Daniel P. Florin

		 	Name:      Daniel P. Florin
		 	Title:        Senior Vice President
		 	                 and Chief Financial Officer

 This is one of the Notes referred to in the within-mentioned Indenture: 

 

			
	WELLS FARGO BANK, NATIONAL ASSOCIATION,
as Trustee
		
	By:	 	 /s/ Yana Kislenko

		 	Name: Yana Kislenko
		 	Title:   Vice President
		
		 	Date: October 2, 2012

 6.500% Senior Notes due 2020 

Capitalized terms used herein shall have the meanings assigned to them in the Indenture referred to below unless otherwise indicated.

 1. INTEREST. Biomet, Inc., an Indiana corporation (the “Issuer”), promises to pay interest on the principal
amount of this Note at a rate per annum of 6.500% from August 8, 2012 until maturity and to pay the Additional Interest, if any, payable pursuant to the Registration Rights Agreement referred to below or pursuant to Section 6.02 of the
Indenture. The Issuer will pay interest on this Note semi-annually in arrears on August 1 and February 1 of each year or, if any such day is not a Business Day, on the next succeeding Business Day (each, an “Interest Payment
Date”). The Issuer will make each interest payment to the Holder of record of this Note on the immediately preceding July 15 and January 15 (each, a “Record Date”). Interest on this Note will accrue from the most
recent date to which interest has been paid or, if no interest has been paid, from and including August 8, 2012; provided that the first Interest Payment Date shall be February 1, 2013. The Issuer will pay interest (including
post-petition interest in any proceeding under any Bankruptcy Law) on overdue principal and premium, if any, from time to time on demand at the rate borne by this Note; it shall pay interest (including post-petition interest in any proceeding under
any Bankruptcy Law) on overdue installments of interest (without regard to any applicable grace periods) from time to time on demand at the rate borne by this Note. Interest will be computed on the basis of a 360-day year comprised of twelve 30-day
months. 
 2. METHOD OF PAYMENT. The Issuer will pay interest on this Note to the Person who is the registered Holder of this
Note at the close of business on the Record Date (whether or not a Business Day) next preceding the Interest Payment Date, even if this Note is cancelled after such record date and on or before such Interest Payment Date, except as provided in
Section 2.12 of the Indenture with respect to defaulted interest. Payment of interest may be made by check mailed to the Holders at their addresses set forth in the Note Register of Holders, provided that (a) all payments of
principal, premium, if any, and interest on, Notes represented by Global Notes registered in the name of or held by DTC or its nominee will be made by wire transfer of immediately available funds to the accounts specified by the Holder or Holders
thereof and (b) all payments of principal, premium, if any, and interest with respect to certificated Notes will be made by wire transfer to a U.S. dollar account maintained by the payee with a bank in the United States if such Holder elects
payment by wire transfer by giving written notice to the Trustee or the Paying Agent to such effect designating such account no later than 30 days immediately preceding the relevant due date for payment (or such other date as the Trustee may accept
in its discretion). Such payment shall be in such coin or currency of the United States of America as at the time of payment is legal tender for payment of public and private debts. 

3. PAYING AGENT AND REGISTRAR. Initially, Wells Fargo Bank, National Association, the Trustee under the Indenture, will act as Paying
Agent and Registrar. The Issuer may change any Paying Agent or Registrar without notice to the Holders. The Issuer or any of its Subsidiaries may act in any such capacity. 
 4. INDENTURE. The Issuer issued the Notes under a Senior Notes Indenture, dated as of August 8, 2012 (the “Indenture”), among the Issuer, the Guarantors named therein and the
Trustee. This Note is one of a duly authorized issue of notes of the Issuer designated as its 6.500% Senior Notes due 2020. The Issuer shall be entitled to issue Additional Notes pursuant to Sections 2.01 and 4.09 of the Indenture. The terms of the
Notes include those stated in the Indenture and those made part of the Indenture by reference to the Trust Indenture Act of 1939, as amended (the “Trust Indenture Act”). The Notes are subject to all such terms, and Holders are
referred to the Indenture and the Trust Indenture Act for a statement of such terms. To the extent any provision of this Note conflicts with the express provisions of the Indenture, the provisions of the Indenture shall govern and be controlling.

 5. OPTIONAL REDEMPTION. 
 Except as described below under clauses 5(b), 5(c) and 5(d) hereof, the Notes will not be redeemable at the Issuer’s option. 
 At any time prior to August 1, 2015, the Issuer may redeem all or a part of the Notes at a redemption price equal to 100.0% of the principal amount of the Notes redeemed plus the Applicable Premium
as of, plus accrued and unpaid interest, if any, to the date of redemption (the “Redemption Date”), subject to the rights of Holders of Notes on the relevant Record Date to receive interest due on the relevant Interest Payment Date.

 Until August 1, 2015, the Issuer may, at its option, on one or more occasions redeem up
to 35.0% of the aggregate principal amount of Notes at a redemption price equal to 106.500% of the aggregate principal amount thereof, plus accrued and unpaid interest, if any, to the Redemption Date, subject to the right of Holders of Notes of
record on the relevant Record Date to receive interest due on the relevant Interest Payment Date, with the net cash proceeds received by the Issuer from one or more Equity Offerings; provided that at least 50.0% of the sum of the aggregate
principal amount of the Notes issued under the Indenture remains outstanding immediately after the occurrence of each such redemption; provided, further, that each such redemption occurs within 180 days of the date of closing of each
such Equity Offering. Notice of any redemption upon any Equity Offering may be given prior to the redemption thereof. All redemption or notices may, at the Issuer’s discretion, be subject to one or more conditions precedent, including, but not
limited to, completion of a related Equity Offering. 
 On and after August 1, 2015, the Issuer may redeem the Notes, in
whole or in part at the redemption prices (expressed as percentages of principal amount of the Notes to be redeemed) set forth below, plus accrued and unpaid interest, if any, to the Redemption Date (subject to the right of Holders of Notes of
record on the relevant Record Date to receive interest due on the relevant Interest Payment Date) if redeemed during the twelve-month period beginning on August 1 of each of the years indicated below: 

 

					
	 Year
	  	Percentage	 
	 2015
	  	 	104.875	% 
	 2016
	  	 	103.250	% 
	 2017
	  	 	101.625	% 
	 2018 and thereafter
	  	 	100.000	% 

 Any redemption pursuant to this paragraph 5 shall be made pursuant to the provisions of Sections 3.01
through 3.06 of the Indenture. 
 6. MANDATORY REDEMPTION. The Issuer shall not be required to make mandatory redemption or
sinking fund payments with respect to the Notes. 
 7. NOTICE OF REDEMPTION. Subject to Section 3.03 of
the Indenture, notice of redemption will be delivered electronically or mailed by first-class mail at least 30 days but not more than 60 days before the redemption date (except that redemption notices may be delivered electronically or mailed more
than 60 days prior to a redemption date if the notice is issued in connection with Article VIII or Article XI of the Indenture) to each Holder whose Notes are to be redeemed at its registered address. No Notes of less than $1,000 can be redeemed in
part, except that if all the Notes of a Holder are to be redeemed, the entire amount of Notes held by such Holder shall be redeemed. On and after the Redemption Date, interest ceases to accrue on this Note or portions thereof called for redemption.

 8. OFFERS TO REPURCHASE. Upon the occurrence of a Change of Control, the Issuer shall make a Change of Control Offer in
accordance with Section 4.14 of the Indenture. In connection with certain Asset Sales, the Issuer shall make an Asset Sale Offer as and when provided in accordance with Sections 3.09 and 4.10 of the Indenture. 

9. DENOMINATIONS, TRANSFER, EXCHANGE. The Notes are in registered form without coupons in denominations of $1,000 and any integral
multiple of $1,000 in excess of $1,000. The transfer of Notes may be registered and Notes may be exchanged as provided in the Indenture. The Registrar and the Trustee may require a Holder, among other things, to furnish appropriate endorsements and
transfer documents and the Issuer may require a Holder to pay any taxes and fees required by law or permitted by the Indenture. The Issuer need not exchange or register the transfer of any Note or portion of a Note selected for redemption, except
for the unredeemed portion of any Note being redeemed in part. Also, the Issuer need not exchange of register the transfer of any Notes for a period of 15 days before a selection of Notes to be redeemed. 

 10. PERSONS DEEMED OWNERS. The registered Holder of a Note may be treated as its owner for
all purposes. 
 11. AMENDMENT, SUPPLEMENT AND WAIVER. The Indenture, the Guarantees or the Notes may be amended or supplemented
as provided in the Indenture 
 12. DEFAULTS AND REMEDIES. The Events of Default relating to the Notes are defined in
Section 6.01 of the Indenture. If any Event of Default occurs and is continuing, the Trustee or the Holders of at least 30.0% in principal amount of the then outstanding Notes may declare the principal, premium, if any, interest and any other
monetary obligations on all the then outstanding Notes to be due and payable immediately. Notwithstanding the foregoing, in the case of an Event of Default arising from certain events of bankruptcy or insolvency, all outstanding Notes will become
due and payable immediately without further action or notice. Holders may not enforce the Indenture, the Notes or the Guarantees except as provided in the Indenture. Subject to certain limitations, Holders of a majority in aggregate principal amount
of the then outstanding Notes may direct the Trustee in its exercise of any trust or power. The Trustee may withhold from Holders of the Notes notice of any continuing Default (except a Default relating to the payment of principal, premium, if any,
or interest) if it determines that withholding notice is in their interest. The Holders of a majority in aggregate principal amount of the Notes then outstanding by notice to the Trustee may on behalf of the Holders of all of the Notes waive any
existing Default or and its consequences under the Indenture, except a continuing Default in payment of the principal of, premium, if any, or interest on, any of the Notes held by a non-consenting Holder. The Issuer is required to deliver to the
Trustee annually a statement regarding compliance with the Indenture, and the Issuer is required within five Business Days after becoming aware of any Default, to deliver to the Trustee a statement specifying such Default and what action the Issuer
proposes to take with respect thereto. 
 13. AUTHENTICATION. This Note shall not be entitled to any benefit
under the Indenture or be valid or obligatory for any purpose until authenticated by the manual signature of the Trustee. 
 14.
ADDITIONAL RIGHTS OF HOLDERS OF RESTRICTED GLOBAL NOTES AND RESTRICTED DEFINITIVE NOTES. In addition to the rights provided to Holders of Notes under the Indenture, Holders of Restricted Global Notes and Restricted Definitive Notes shall have all
the rights set forth in the Registration Rights Agreement, including the right to receive Additional Interest (as defined in the Registration Rights Agreement or as set forth in Section 6.02 of the Indenture). 

15. GOVERNING LAW. THE LAWS OF THE STATE OF NEW YORK SHALL GOVERN AND BE USED TO CONSTRUE THE INDENTURE, THE NOTES AND THE GUARANTEES.

 16. CUSIP AND ISIN NUMBERS. Pursuant to a recommendation promulgated by the Committee on Uniform Security Identification
Procedures, the Issuer has caused CUSIP and ISIN numbers to be printed on the Notes and the Trustee may use CUSIP and ISIN numbers, in notices of redemption as a convenience to Holders. No representation is made as to the accuracy of such numbers
either as printed on the Notes or as contained in any notice of redemption and reliance may be placed only on the other identification numbers placed thereon. 
 The Issuer will furnish to any Holder upon written request and without charge a copy of the Indenture and/or the Registration Rights Agreement. Requests may be made to the Issuer at the following address:

  

	
	Biomet, Inc.
	P.O. Box 587
	56 East Bell Drive
	Warsaw, Indiana 46581 - 0587
	Fax No.: 574-372-1960
	Attention: General Counsel

 ASSIGNMENT FORM 
 To assign this Note, fill in the form
below:                                        
                             

			
		 	 (Insert assignee’s legal name)

	
	(Insert assignee’s soc. sec. or tax I.D no.)
	
	(Print or type assignee’s name, address and zip code)

  

	
	 and irrevocably
appoint                                        
                                         
                                         
                                         
                                         
        
 to transfer this Note on the books of the Issuer. The agent may substitute another to act
for him.

 Date:
                                 

 

			
	 Your Signature:
	 	 
		 	 (Sign exactly as your name appears on the
 face of this Note)

 Signature
Guarantee*:                                       
                      
  

	*	Participant in a recognized Signature Guarantee Medallion Program (or other signature guarantor acceptable to the Trustee). 

 OPTION OF HOLDER TO ELECT PURCHASE 

If you want to elect to have this Note purchased by the Issuer pursuant to Section 4.10 or 4.14 of the Indenture, check the
appropriate box below: 
  

			
	[     ] Section 4.10	  	[     ] Section 4.14

 If you want to elect to have only part of this Note purchased by the Issuer pursuant to Section 4.10
or Section 4.14 of the Indenture, state the amount you elect to have purchased: 
  

			
	$                         
   
		
	Date:
                            	 	
		 	Your
Signature:                                       
                                         
             
		 	 (Sign exactly as your name appears on the

face of this Note)

		 	Tax Identification
No:                                        
                                         

	Signature
Guarantee*:                                       
                                         
   	 	

  

	*	Participant in a recognized Signature Guarantee Medallion Program (or other signature guarantor acceptable to the Trustee). 

 SCHEDULE OF EXCHANGES OF INTERESTS IN THE GLOBAL NOTE* 

The initial outstanding principal amount of this Global Note is $321,330,000. The following exchanges of a part of this Global Note for
an interest in another Global Note or for a Definitive Note, or exchanges of a part of another Global or Definitive Note for an interest in this Global Note, have been made: 

 

									
	 

Date of
Exchange
	  	 
Amount of
decrease in
Principal
Amount of this
Global
Note
	  	 
Amount of
increase in
Principal
Amount of this
Global
Note
	  	 Principal
Amount of this
Global Note
following such
decrease
or
increase
	  	 

Signature of
authorized
officer of Trustee
or
Custodian

  
  

	*	This schedule should be included only if the Note is issued in global form.

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