November 21, 2007 Brocade Communications Systems, Inc. 1745 Technology Drive San Jose, CA 95119 Subject: Amendment #10 to Statement of Work #4903RL1112 (“SOW”) dated December 15, 2003

Exhibit 10.3

November 21, 2007

Brocade Communications Systems, Inc.
0000 Xxxxxxxxxx Xxxxx
Xxx Xxxx, XX 00000

Subject: Amendment #10 to Statement of Work #4903RL1112 (“SOW”) dated December 15, 2003

This Amendment #10 “(Amendment”) to Statement of Work # 4903RL1112 (“SOW”) adopts and incorporates by reference the terms and conditions of Goods Agreement # 4999RO0015 (“Agreement”) by and between Brocade Communications Systems, Inc. (“Brocade”) and International Business Machines Corporation (“IBM”). The parties agree to amend the SOW as follows. All other terms and conditions in the Base Agreement and SOW shall remain in full force and effect.

This amendment will be effective when signed by both parties.

1.0 Amendment #9 will not be issued due to an administrative error.

2.0 Replace Section 4 of PUA “Product Price List and Description” in its entirety with the following:

PRODUCT UNIQUE ATTACHMENT

4.0 PART NUMBER UNIQUE TERMS

Section 4.1: PRODUCT PRICE LIST AND DESCRIPTION      

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**Software

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Maintenance

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^[**] Certain information on this page has been omitted and filed separately with the Securities and Exchange Commission. Confidential treatment has been requested with respect to the omitted portions.

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^[**] Certain information on this page has been omitted and filed separately with the Securities and Exchange Commission. Confidential treatment has been requested with respect to the omitted portions.

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^[**] Certain information on this page has been omitted and filed separately with the Securities and Exchange Commission. Confidential treatment has been requested with respect to the omitted portions.

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group

**Software

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(if required)*

Description

Unit Price of Product

adder

Freight

Maintenance

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^[**] Certain information on this page has been omitted and filed separately with the Securities and Exchange Commission. Confidential treatment has been requested with respect to the omitted portions.

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**Software

Number

Number *

(if required)*

Description

Unit Price of Product

adder

Freight

Maintenance

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^[**] Certain information on this page has been omitted and filed separately with the Securities and Exchange Commission. Confidential treatment has been requested with respect to the omitted portions.

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Description

Unit Price of Product

adder

Freight

Maintenance

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^[**] Certain information on this page has been omitted and filed separately with the Securities and Exchange Commission. Confidential treatment has been requested with respect to the omitted portions.

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**Software

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Number *

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Description

Unit Price of Product

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Freight

Maintenance

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^[**] Certain information on this page has been omitted and filed separately with the Securities and Exchange Commission. Confidential treatment has been requested with respect to the omitted portions.

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locations

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group

**Software

Number

Number *

(if required)*

Description

Unit Price of Product

adder

Freight

Maintenance

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3.0 Amend Section 8.0 “Communications” in the PUA by deleting the section in its entirety and replacing it with the following:

8.0 COMMUNICATIONS

Each party may change its designated coordinators and/or addresses any time by a written notification to the relevant coordinator.

8.1 Business Coordinators.

SUPPLIER		Brocade Communications Systems, Inc		BUYER		IBM Corporation
Name		[**]		Name		[**]
Title		Business Line Executive, IBM		Title		WW Commodity Procurement
Address		0000 Xxxxxxxxxx Xxxxx Xxx Xxxx, XX 00000		Address		0000 Xxxxxxxxxx Xxxx XXX, XX 00000
Phone		[**]		Phone		[**]

^[**] Certain information on this page has been omitted and filed separately with the Securities and Exchange Commission. Confidential treatment has been requested with respect to the omitted portions.

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Fax				Fax		[**]
E-mail		[**]		E-mail		[**]

^[**] Certain information on this page has been omitted and filed separately with the Securities and Exchange Commission. Confidential treatment has been requested with respect to the omitted portions.

Page 9 of 11

8.2 Technical Coordinators.

SUPPLIER		Brocade Communications Systems, Inc		BUYER		IBM Corporation
Name		[**]		Name		[**]
Title		Technical Development Rep		Title		Development Engineer
Address		0000 Xxxxxxxxxx Xxxxx Xxx Xxxx, XX 00000		Address		0000 Xxxxxxxxxx Xxxx XXX, XX 00000
Phone		[**]		Phone		[**]
Fax				Fax
E-mail		[**]		E-mail		[**]

The parties acknowledge that they have read this Amendment, understand it, and agree to be bound by its terms and conditions. Further, they agree that this Amendment and the subject Agreement are the complete and exclusive statement of the agreement between the parties, superseding all proposals or other prior agreements, oral or written, and all other communications between the parties relating to this subject.

Except as specifically provided for in the foregoing provisions of this Amendment, the SOW shall continue in full force and effect. All capitalized terms defined in the Agreement which are used in this Amendment without further definition shall have the meanings ascribed to them in the Agreement.

Please have your authorized representative indicate acceptance thereof by signing both copies of the Amendment and returning one copy to the attention of Xxxx Xxxxx.

ACCEPTED AND AGREED TO:				ACCEPTED AND AGREED TO:
International Business Machines Corporation				Brocade Communications
By: /s/ illegible                              1/2/2008				By: /s/ Xxx Xxxxxxx                                      7 Jan 2008
IBM Signature                                 Date				Brocade Communications                                 Date
Xxxxxxx X’Xxxxx				Xxx Xxxxxxx
Printed Name				Printed Name
GCM				GM, DATA CENTER INFRASTRUCTURE
Title & Organization				Title & Organization
Communications Council
Address:				Address
0000 Xxxxxxxxxx Xx XXX, XX 00000 XXX				0000 Xxxxxxxxxx Xxxxx Xxx Xxxx, XX 00000

^[**] Certain information on this page has been omitted and filed separately with the Securities and Exchange Commission. Confidential treatment has been requested with respect to the omitted portions.

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ACCEPTED AND AGREED TO:

Brocade Communications Switzerland, SarL

By: /s/ Ulrich Plechschmidt                            07-January 2008

Supplier Signature                                                                Date

Ulrich Plechschmidt

Printed Name

Vice President, EMEA

Title & Organization

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