PREMIER PURCHASING PARTNERS, L.P. AMENDMENT NUMBER 10 TO GROUP PURCHASING AGREEMENT CONTRACT #: PP-NS-347 Product Category: Pulse Oximeters Extension of Term

Exhibit 10.31

PREMIER PURCHASING PARTNERS, L.P.

AMENDMENT NUMBER 10 TO GROUP PURCHASING AGREEMENT

CONTRACT #: PP-NS-347

Product Category: Pulse Oximeters

Extension of Term

This Amendment Number 10 (“Amendment”), is entered into effective March 1, 2009 (the “Amendment 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. Extension of Term of Contract. Article 1.0 of the Agreement is hereby amended such that the term of the Agreement shall be extended until May 31, 2009 (the “Expiration Date”). The Agreement shall remain in effect until the Expiration Date, unless earlier terminated pursuant to the terms of the Agreement.

2. 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/ Xxxxxx Xxxxxxx

By:

/s/ Xxx Xxxxx

Printed Name:

Xxxxxx Xxxxxxx

Printed Name:

Xxx Xxxxx

Title:

Vice President, Operations

Title:

Vice President, National Accounts

By:

/s/ Xxx Xxxxx

Printed Name:

Xxx Xxxxx

Title:

Vice President, Contract Management

By:

/s/ Xxxx X. Xxxxxxxx

Printed Name:

Xxxx X. Xxxxxxxx

Title:

Vice President, Sourcing

Rev 10/05 DOCS 2827v2
PP:		Seller: