Document:

Exhibit
10.12

[Logos and Letterhead of Clayton, Dubilier & Rice]

April 19, 2004

Mr. Walter Zywottek

CEO

VWR International, Inc.

Goshen Corporate Park West 

1310 Goshen Parkway

West Chester, PA 19380

Dear Walter:

I am writing to confirm our understanding of the terms
that will govern your employment with VWR International, Inc. (“VWR”) following
Clayton Dubilier & Rice Fund VI Limited Partnership’s acquisition of VWR.

	
  Position:

  	
   

  	
  Chief Executive Officer and a member of the Board of
  Directors of VWR International or any holding company for VWR established as
  part of the acquisition.

  
	
   

  	
   

  	
   

  
	
  Salary:

  	
   

  	
  $600,000 per year, payable in installments on VWR’s
  regular payroll dates.

  
	
   

  	
   

  	
   

  
	
  Location:

  	
   

  	
  The Company’s current offices in West Chester,
  Pennsylvania.

  
	
   

  	
   

  	
   

  
	
  Annual Bonus:

  	
   

  	
  You will be eligible to participate in VWR’s
  management incentive program with a projected target bonus of up to 100% of
  base salary.

  
	
   

  	
   

  	
   

  
	
  Stock Purchase:

  	
   

  	
  You will be provided the opportunity to purchase up
  to twenty thousand (20,000) shares (the “Shares”) of common stock, par value
  $0.01 per share, of the top tier company that will acquire VWR.  The per share purchase price will be the
  same per share price as that paid by the Clayton, Dubilier & Rice Fund VI
  Limited Partnership — $100 per share. 
  Our expectation is that you would buy a minimum of five thousand
  (5,000) shares.

  
	
   

  	
   

  	
   

  
	
   

  	
   

  	
  The purchase of the shares will be made pursuant to
  a management stock subscription agreement that is substantially similar to
  those for use by other officers of VWR. 
  The material terms of that agreement are 

  

 

1

 

	
   

  	
   

  	
  summarized on Annex “A” attached hereto.

  
	
   

  	
   

  	
   

  
	
  Stock Options:

  	
   

  	
  For each share purchased, you will receive a grant
  of options to purchase three (3) shares of common stock, up to an aggregate
  of sixty thousand (60,000) shares, at an exercise price of $100 per share
  (the “Options”).  The Option grant
  will be made pursuant to a management stock option agreement that is
  substantially similar to those for use by other officers of VWR.  The material terms of that agreement are
  summarized on Annex “B” attached hereto.

  
	
   

  	
   

  	
   

  
	
  Benefits:

  	
   

  	
  You will be entitled to participate in all health,
  welfare and other similar benefits available to senior executives of VWR.

  
	
   

  	
   

  	
   

  
	
  Severance:

  	
   

  	
  If your employment is terminated by VWR without
  cause within the first 30 months after the closing of the acquisition, you
  will be entitled to receive continued payments of your base salary and health
  benefits for two years after termination. 
  If your employment is terminated by VWR without cause after 30 months
  after the closing of the acquisition, you will be entitled to receive
  continued payments of your base salary and health benefits until the earlier
  of one year after termination or until you obtain new full time
  employment.  These continued payments
  would be subject to your execution of a general release and standard
  provisions regarding confidentiality, non-competition and non-solicitation of
  employees, agents and customers.

  
	
   

  	
   

  	
   

  
	
  Meaning of “Cause”:

  	
   

  	
  For purposes of this letter agreement (including
  Annex A and Annex B), “cause” has the same meaning as in your existing
  agreement.

  

 

2

 

	
  Additional terms:

  	
   

  	
  Effective as of closing your existing employment
  agreement will terminate.

  

 

 

 

	
   

  	
  Sincerely,

  	
   

  
	
   

  	
   

  	
   

  
	
   

  	
   

  	
   

  
	
   

  	
   

  
	
   

  	
  Richard J. Schnall

  	
   

  
	
   

  	
   

  	
   

  
	
   

  	
   

  	
   

  
	
  cc:
  James W. Rogers

  	
   

  	
   

  
	
   

  	
   

  	
   

  
	
   

  	
   

  	
   

  
	
  Accepted
  and Agreed

  	
   

  	
   

  
	
   

  	
   

  	
   

  
	
   

  	
   

  	
   

  
	
   

  	
   

  	
   

  
	
  Walter
  Zywotteck

  	
   

  	
   

  
	
   

  	
   

  	
   

  
	
  Date:

  	
   

  	
   

  

 

3

 

Annex A

 

Terms of Management Stock
Subscription Agreement

	
  Transfer Restrictions:

  	
   

  	
  Prior to an IPO, no transfers of Shares, except as
  specified below.  In addition, if VWR
  files a registration statement for an underwritten public offering of its
  common stock, you may not transfer the Shares in a public sale (including a
  sale under Rule 144) during the 20 days before and the 180 days after the
  effective date of the registration statement.

  
	
   

  	
   

  	
   

  
	
  Rights of First Refusal:

  	
   

  	
  Prior to an IPO, each of VWR and Clayton, Dubilier
  & Rice Fund VI Limited Partnership (together with any other CD&R fund
  that owns VWR shares, the “CD&R Fund”) will have a right of first refusal
  over a sale of all or any part of the Shares.

  
	
   

  	
   

  	
   

  
	
  Option upon Termination of
  Employment:

  	
   

  	
  Prior to an IPO, each of VWR and the CD&R Fund
  will have an option to repurchase all or any portion of the Shares if your
  employment with VWR terminates for any reason.  If the repurchase is due to a termination of your employment
  for cause, the price will be the lesser of fair market value and the original
  subscription price.  All other
  repurchases will be at fair market value, as determined by the VWR Board.

  
	
   

  	
   

  	
   

  
	
  Drag Along and Tag Along Rights:

  	
   

  	
  Prior to an IPO, the CD&R Fund will have pro
  rata drag-along rights over your Shares in the event of a sale of 20% or more
  of its shares of common stock to a third party.  Also, prior to an IPO you will have the right to participate in
  sales by CD&R fund of 80% or more of its shares.

  
	
   

  	
   

  	
   

  
	
  Put Option upon Termination of
  Employment:

  	
   

  	
  Prior to an IPO, you will have a put option against
  VWR at fair market value if your employment with VWR is terminated by VWR
  without cause or terminates by reason of death or disability.

  
	
   

  	
   

  	
   

  
	
  Registration Rights:

  	
   

  	
  You will be entitled to the customary registration
  rights provided to other management investors.

  
	
   

  	
   

  	
   

  
	
  Repurchase Delays:

  	
   

  	
  Any repurchase of the Shares by VWR may be delayed
  if:

  
	
   

  	
   

  	
   

  
	
   

  	
   

  	
  ·                
  The repurchase would violate VWR’s financing documents;

  

 

4

 

	
   

  	
   

  	
  ·                
  The repurchase would violate VWR’s certificate of incorporation; or

  
	
   

  	
   

  	
   

  
	
   

  	
   

  	
  ·                
  VWR does not have funds legally available therefore under applicable
  law.

  
	
   

  	
   

  	
   

  
	
   

  	
   

  	
  In the event that a repurchase of Shares by VWR is
  delayed pursuant to the operation of this right, the purchase price per share
  when the repurchase of such Shares eventually takes place shall equal the sum
  of (i) the purchase price of such Shares at the time that the repurchase of
  such Shares would have occurred but for the operation of this right, plus
  (ii) an amount equal to interest on such purchase price for the period from
  the date on which the completion of the repurchase would have taken place but
  for the operation of this right to the date on which such repurchase actually
  takes place at a rate equal to the average annual cost to VWR of its and its
  subsidiaries bank indebtedness obligations outstanding during the delay
  period or, if there are no such obligations outstanding, one percentage point
  greater than the average annual prime rate charged during such period by JP
  Morgan Chase Bank or such other nationally recognized bank designated by VWR.

  
	
   

  	
   

  	
   

  
	
  Definition of “Fair Market Value”:

  	
   

  	
  As determined in good faith by the VWR Board.  Initially Fair Market Value will be the
  per share price paid by the CD&R Fund.

  

 

5

Annex B

Terms of Management Stock
Option Agreement

	
  Type of Option:

  	
   

  	
  Non-qualified stock options.

  
	
   

  	
   

  	
   

  
	
  Vesting:

  	
   

  	
  Five equal installments on each of the first five
  anniversaries of the grant date.

  
	
   

  	
   

  	
   

  
	
   

  	
   

  	
  Vested options may only be exercised following the
  first IPO, or, if prior to an IPO, pursuant to an exemption from registration
  requirements under applicable securities laws.

  
	
   

  	
   

  	
   

  
	
  Term:

  	
   

  	
  10 years from grant date.

  
	
   

  	
   

  	
   

  
	
  Termination:

  	
   

  	
  Upon termination of employment with VWR for any
  reason other than death or disability, all unvested options will terminate,
  and the vested option will terminate as follows:

  
	
   

  	
   

  	
   

  
	
   

  	
   

  	
  ·                
  If termination is for cause, all vested options will terminate; and

  
	
   

  	
   

  	
   

  
	
   

  	
   

  	
  ·                
  If termination is for any other reason, all vested options will
  remain exercisable until the earlier of (i) 60 days after the earlier of
  the expiration of CD&R Fund’s right to purchase the options and receipt
  of notice that CD&R Fund does not intend to exercise such right and (ii)
  expiration of the option term.

  
	
   

  	
   

  	
   

  
	
   

  	
   

  	
  Upon termination of employment for death or
  disability, all options will vest and remain exercisable until the earlier of
  (i) six months after termination of employment and (ii) expiration
  of the option term

  
	
   

  	
   

  	
   

  
	
  Transfer Restrictions:

  	
   

  	
  No transfer except to your estate upon death or to
  VWR or the CD&R Fund pursuant to their repurchase rights. Upon death,
  only your estate may exercise the options.

  

 

6

 

	
  Repurchase Rights:

  	
   

  	
  Prior to an IPO, VWR and the CD&R Fund have
  repurchase rights similar to those described in relation to the Shares, at a
  price equal to the fair market value of the common stock less the exercise
  price.  VWR’s right to complete a
  purchase may be delayed in the circumstances and as described above in
  relation to the Shares.

  
	
   

  	
   

  	
   

  
	
  Change of Control:

  	
   

  	
  On a change of control all Options vest and are
  cashed out or (at the discretion of the Board) may instead be rolled over
  into equivalent options on shares of the acquiror (in which case the rollover
  options must have additional protections that vest on a termination without
  cause or a constructive termination of employment).

  
	
   

  	
   

  	
   

  
	
   

  	
   

  	
  If vesting would be accelerated as result of a
  change of control, vesting will further be subject to the approval of VWR’s
  shareholders if and to the extent necessary to avoid any “golden parachute”
  tax implications.

  

 

7Exhibit
10.13

[Logos and Letterhead VWR International, Inc.]

May 14, 2004

Mr. Jack Wyszomierski

6635 Armitage Road

New Hope, PA 18938

Dear Jack:

I am pleased to confirm the terms of the offer of
employment to you at VWR International, Inc.’s (“VWR”) offices in West Chester,
Pennsylvania.  The offer is as follows:

	
  Position:

  	
   

  	
  Chief Financial Officer

  
	
   

  	
   

  	
   

  
	
  Salary:

  	
   

  	
  $350,000 per year, payable in installments on VWR’s
  regular payroll dates.

  
	
   

  	
   

  	
   

  
	
  Start Date:

  	
   

  	
  June 1, 2004

  
	
   

  	
   

  	
   

  
	
  Annual Bonus:

  	
   

  	
  You will be eligible to participate in VWR’s
  management incentive program with a target bonus of 85% of base salary.  For the fiscal year ending 2004 you will
  receive a guaranteed prorated target bonus at the time bonuses are paid.

  
	
   

  	
   

  	
   

  
	
  Stock Purchase:

  	
   

  	
  You will be provided the opportunity to invest in
  equity shares (the “Shares”) of common stock, par value $0.01 per share, of
  the top tier company that will acquire VWR. 
  The per share purchase price will be the same per share price as that
  paid by the Clayton, Dubilier & Rice Fund VI Limited Partnership — $100
  per share.  Our expectation is that
  you would buy a minimum of two thousand five hundred (2,500) shares.

  
	
   

  	
   

  	
   

  
	
   

  	
   

  	
  The purchase of the shares will be made pursuant to
  a management stock subscription agreement that is substantially similar to
  those for use by other officers of VWR. 
  The material terms of that agreement are summarized on Annex “A”
  attached hereto.

  

 

 

	
  Stock Options:

  	
   

  	
  For each share purchased, you will receive a grant
  of options to purchase two (2) shares of common stock, at an exercise price
  of $100 per share (the “Options”). 
  The Option grant will be made pursuant to a management stock option
  agreement.

  
	
   

  	
   

  	
   

  
	
  Benefits:

  	
   

  	
  You will be entitled to participate in all health,
  welfare and other similar benefits available to senior executives of VWR.

  
	
   

  	
   

  	
   

  
	
  Additional terms:

  	
   

  	
  This offer is contingent upon your not being subject
  to any contract that would be violated by your employment with VWR; and your
  successful completion of a physical and drug/alcohol screening prior to your
  start date.

  

Jack, we are excited to have you join our team.  If you have any questions, please do not
hesitate to call me.

	
   

  	
  Sincerely,

  	
   

  
	
   

  	
   

  	
   

  
	
   

  	
   

  	
   

  
	
   

  	
   

  
	
   

  	
  Walter Zywottek

  	
   

  
	
  cc:
  Jim Rogers; Richard J. Schnall

  	
   

  	
   

  
	
   

  	
   

  	
   

  
	
   

  	
   

  	
   

  
	
  Accepted
  And Agreed

  	
   

  	
   

  
	
   

  	
   

  	
   

  
	
   

  	
   

  	
   

  
	
   

  	
   

  	
   

  
	
  Jack
  Wyszomierski

  	
   

  	
   

  
	
   

  	
   

  	
   

  
	
  Date:

  	
   

  	
   

  

 

2

 

Terms of Management Stock
Subscription Agreement

	
  Transfer Restrictions:

  	
   

  	
  Prior to an IPO, no transfers of Shares, except as
  specified below.  In addition, if VWR
  files a registration statement for an underwritten public offering of its
  common stock, you may not transfer the Shares in a public sale (including a
  sale under Rule 144) during the 20 days before and the 180 days after the
  effective date of the registration statement.

  
	
   

  	
   

  	
   

  
	
  Rights of First Refusal:

  	
   

  	
  Prior to an IPO, each of VWR and Clayton, Dubilier
  & Rice Fund VI Limited Partnership (together with any other CD&R fund
  that owns VWR shares, the “CD&R Fund”) will have a right of first refusal
  over a sale of all or any part of the Shares.

  
	
   

  	
   

  	
   

  
	
  Option upon Termination Of
  Employment:

  	
   

  	
  Prior to an IPO, each of VWR and the CD&R Fund
  will have an option to repurchase all or any portion of the Shares if your
  employment with VWR terminates for any reason.  If the repurchase is due to a termination of your employment
  for cause, the price will be the lesser of fair market value and the original
  subscription price.  All other
  repurchases will be at fair market value, as determined by the VWR Board.

  
	
   

  	
   

  	
   

  
	
  Drag Along and Tag Along Rights:

  	
   

  	
  Prior to an IPO, the CD&R Fund will have pro
  rata drag-along rights over your Shares in the event of a sale of 20% or more
  of its shares of common stock to a third party.  Also, prior to an IPO you will have the right to participate in
  sales by CD&R fund of 80% or more of its shares.

  
	
   

  	
   

  	
   

  
	
  Put Option upon Termination of
  Employment:

  	
   

  	
  Prior to an IPO, you will have a put option against
  VWR at fair market value if your employment with VWR is terminated by VWR
  without cause or terminates by reason of death or disability.

  
	
   

  	
   

  	
   

  
	
  Registration Rights:

  	
   

  	
  You will be entitled to the customary registration
  rights provided to other management investors.

  
	
   

  	
   

  	
   

  
	
  Repurchase Delays:

  	
   

  	
  Any repurchase of the Shares by VWR may be delayed
  if:

  
	
   

  	
   

  	
   

  
	
   

  	
   

  	
  ·                    
  The repurchase would violate VWR’s financing documents

  

 

3

 

	
   

  	
   

  	
  ·                    
  The repurchase would violate VWR’s certificate of incorporation; or

  
	
   

  	
   

  	
   

  
	
   

  	
   

  	
  ·                    
  VWR does not have funds legally available therefore under applicable
  law.

  
	
   

  	
   

  	
   

  
	
   

  	
   

  	
  In the event that a repurchase of Shares by VWR is
  delayed pursuant to the operation of this right, the purchase price per share
  when the repurchase of such Shares eventually takes place shall equal the sum
  of (i) the purchase price of such Shares at the time that the repurchase of
  such Shares would have occurred but for the operation of this right, plus
  (ii) an amount equal to interest on such purchase price for the period from
  the date on which the completion of the repurchase would have taken place but
  for the operation of this right to the date on which such repurchase actually
  takes place at a rate equal to the average annual cost to VWR of its and its
  subsidiaries bank indebtedness obligations outstanding during the delay
  period or, if there are no such obligations outstanding, one percentage point
  greater than the average annual prime rate charged during such period by JP
  Morgan Chase Bank or such other nationally recognized bank designated by VWR.

  
	
   

  	
   

  	
   

  
	
  Definition of “Fair Market Value”:

  	
   

  	
  As determined in good faith by the VWR Board.  Initially Fair Market Value will the per
  share price paid by the CD&R Fund.

  

 

4

 

Terms of Management Stock
Option Agreement

	
  Type of Option:

  	
   

  	
  Non-qualified stock options.

  
	
   

  	
   

  	
   

  
	
   

  	
   

  	
   

  
	
  Vesting:

  	
   

  	
  Five equal installments on each of the first five
  anniversaries of the grant date.

  
	
   

  	
   

  	
   

  
	
   

  	
   

  	
  Vested options may only be exercised following the
  first IPO, or, if prior to an IPO, pursuant to an exemption from registration
  requirements under applicable securities laws.

  
	
   

  	
   

  	
   

  
	
  Term:

  	
   

  	
  10 years from grant date.

  
	
   

  	
   

  	
   

  
	
  Termination:

  	
   

  	
  Upon termination of employment with VWR for any
  reason other than death or disability, all unvested options will terminate,
  and the vested option will terminate as follows:

  
	
   

  	
   

  	
   

  
	
   

  	
   

  	
  ·                    
  If termination is for cause, all vested options will terminate; and

  
	
   

  	
   

  	
   

  
	
   

  	
   

  	
  ·                    
  If termination is for any other reason, all vested options will
  remain exercisable until the earlier of (i) 60 days after the earlier of
  the expiration of CD&R Fund’s right to purchase the options and receipt
  of notice that CD&R Fund does not intend to exercise such right and (ii)
  expiration of the option term.

  
	
   

  	
   

  	
   

  
	
  Transfer Restrictions:

  	
   

  	
  No transfer except to your estate upon death or to
  VWR or the CD&R Fund pursuant to their repurchase rights. Upon death,
  only your estate may exercise the options.

  
	
   

  	
   

  	
   

  
	
  Repurchase Rights:

  	
   

  	
  Prior to an IPO, VWR and the CD&R Fund have
  repurchase rights similar to those described in relation to the Shares, at a
  price equal to the fair market value of the common stock less the exercise
  price.  VWR’s right to complete a
  purchase may be delayed in the circumstances and as described above in
  relation to the Shares.

  

 

5

 

	
  Change of Control:

  	
   

  	
  On a change of control all Options vest and are
  cashed out or (at the discretion of the Board) may instead be rolled over
  into equivalent options on shares of the acquiror (in which case the rollover
  options must have additional protections that vest on a termination without cause
  or a constructive termination of employment).

  
	
   

  	
   

  	
   

  
	
   

  	
   

  	
  If vesting would be accelerated as result of a
  change of control, vesting will further be subject to the approval of VWR’s
  shareholders if and to the extent necessary to avoid any “golden parachute” tax
  implications.

  

 

6

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