Exhibit 10.37

*** Text Omitted and Filed Separately

Confidential Treatment Requested

Under 17 C.F.R. §§ 200.80(b)(4)

and 17 C.F.R. 24b-2

PREMIER PURCHASING PARTNERS, L.P.

AMENDMENT NUMBER 7 TO GROUP PURCHASING AGREEMENT

CONTRACT #: PP-NS-347

Product Category: Pulse Oximeters

Price Decrease and Product Code Change

This Amendment Number 7 (“Amendment”), is entered into effective May 1, 2008
(the “Effective Date”), and shall amend and modify the Group Purchasing
Agreement (Contract #: PP-NS-347) by and between Premier Purchasing Partners,
L.P. (“Purchasing Partners”), and Masimo Americas, Inc. (“Seller”), dated
effective March 1, 2006 (the “Agreement”), as follows:

 

  1. Price Decrease. Effective as of the Effective Date, Exhibit A-3 Price List
to the Agreement is hereby amended to change the prices for the Products listed
in the attached Schedule 1.

 

  2. Product Code Change. Effective as of the Effective Date, Exhibit A-3 Price
List to the Agreement is hereby amended to change the product code for the
Products listed in the attached Schedule 2.

 

  3. Other Terms and Conditions. All other terms and conditions of the Agreement
shall remain in full force and effect.

This Amendment is hereby executed as of the Effective Date by the parties’
authorized representatives set forth below.

 

PREMIER PURCHASING PARTNERS, L.P.
(“Purchasing Partners”)   Masimo Americas, Inc.
(“Seller”) By:  

PREMIER PLANS, L.L.C.,

Its General Partner

        By:   /s/ Durral Gilbert     By:   /s/ Jim Beyer Printed Name:   Durral
Gilbert     Printed Name:   Jim Beyer Title:   Vice President, Operations    
Title:   Vice President, National Accounts

 

By:   /s/ John W. Hargette       Printed Name:   John W. Hargette         Title:
  Vice President, Sourcing                  

--------------------------------------------------------------------------------

Amendment 7
Schedule 1 - Price Decrease    Masimo Americas, Inc.
Pulse Oximeters
Amendment Effective: 5/1/2008       PP-NS-347

Manufacturer
Catalog Number

  

Item Description

  

UOM

   Qty/UOM    Tier 1
Access Price   

Tier 2
[…***…], Total Product
Purchases ($ Per
Calendar Year)

  

Tier 3
[…***…], Total
Product Purchases ($
Per Calendar Year)

1970

   LNOP BLUE, 10/BOX, INFANT THUMB/TOE SENSOR    Box    10    […***…]    […***…]
   […***…]

* Confidential Treatment Requested

Schedule 1

--------------------------------------------------------------------------------

Amendment 7
Schedule 2 -Product Code Change    Masimo Americas, Inc.
Pulse Oximeters
Amendment Effective: 5/1/2008       PP-NS-347

Old
Manufacturer
Catalog
Number

  

New
Manufacturer
Catalog
Number

  

Item Description

   UOM    Qty/UOM   

Tier 1
Access Price

  

Tier 2
[…***…], Total
Product
Purchases ($ Per
Calendar Year)

  

Tier 3

[…***…], Total
Product
Purchases ($ Per
Calendar Year)

9031

   9153    OXIMETER HAND-HELD AUDIO/VISUAL ALARM SATURATION/PERFUSION MASIMO
PULSE OXIMETER MULTIPARAMETER HGB PERFUSION UPGRADEABLE FUTURE TECHNOLOGY
TRENDING MEMORY BLUE SCREEN GRAPHIC DISPLAY    Each    1    […***…]    […***…]
   […***…]

* Confidential Treatment Requested

Schedule 2