Sec Form 4 Filing - REYES GREG @ BROCADE COMMUNICATIONS SYSTEMS INC - 2005-02-24

FORM 4 Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934, Section 17(a) of the Public Utility Holding Company Act of 1935 or Section 30(h) of the Investment Company Act of 1940

OMB APPROVAL OMB Number: 3235-0287 Expires: November 30, 2011 Estimated average burden hours per response... 0.5

1. Name and Address of Reporting Person REYES GREG 2. Issuer Name and Ticker or Trading Symbol BROCADE COMMUNICATIONS SYSTEMS INC [ BRCD] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) X __ Director _____ 10% Owner _____ Officer (give title below) _____ Other (specify below) (Last) (First) (Middle) 1745 TECHNOLOGY DRIVE 3. Date of Earliest Transaction (MM/DD/YY) 02/24/2005 (Street) SAN JOSE, CA95110 4. If Amendment, Date Original Filed (MM/DD/YY) 6. Individual or Joint/Group Filing (Check Applicable Line) __ X __ Form filed by One Reporting Person _____ Form filed by More than One Reporting Person (City) (State) (Zip)

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned 1.Title of Security (Instr. 3) 2. Transaction Date (MM/DD/YY) 2A. Deemed Execution Date, if any (MM/DD/YY) 3. Transaction Code (Instr. 8) 4. Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5) 5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4) 6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 7. Nature of Indirect Beneficial Ownership (Instr. 4) Code V Amount (A) or (D) Price Common Stock 02/24/2005 D 900,000 D $ 6.1 0 I by Foundation ( 1 ) Common Stock 02/24/2005 D 12,466 D $ 6.1 1,656,587 I by Trust ( 2 ) Common Stock 02/24/2005 D 373,747 D $ 6.11 1,282,840 I by Trust ( 2 ) Common Stock 02/24/2005 D 464,788 D $ 6.12 818,052 I by Trust ( 2 ) Common Stock 02/24/2005 D 175,777 D $ 6.13 642,274 I by Trust ( 2 ) Common Stock 02/24/2005 D 67,445 D $ 6.14 574,830 I by Trust ( 2 ) Common Stock 02/24/2005 D 127,698 D $ 6.15 447,132 I by Trust ( 2 ) Common Stock 02/24/2005 D 165,453 D $ 6.16 281,679 I by Trust ( 2 ) Common Stock 02/24/2005 D 62,000 D $ 6.17 219,679 I by Trust ( 2 ) Common Stock 02/24/2005 D 138,479 D $ 6.18 81,200 I by Trust ( 2 ) Common Stock 02/24/2005 D 50,400 D $ 6.19 30,800 I by Trust ( 2 ) Common Stock 02/24/2005 D 30,800 D $ 6.2 0 I by Trust ( 2 )

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned ( e.g. , puts, calls, warrants, options, convertible securities) 1. Title of Derivative Security (Instr. 3) 2. Conversion or Exercise Price of Derivative Security 3. Transaction Date (MM/DD/YY) 3A. Deemed Execution Date, if any (MM/DD/YY) 4. Transaction Code (Instr. 8) 5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4, and 5) 6. Date Exercisable and Expiration Date (MM/DD/YY) 7. Title and Amount of Underlying Securities (Instr. 3 and 4) 8. Price of Derivative Security (Instr. 5) 9. Number of Derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4) 10. Ownership Form of Derivative Security: Direct (D) or Indirect (I) (Instr. 4) 11. Nature of Indirect Beneficial Ownership (Instr. 4) Code V (A) (D) Date Exercisable Expiration Date Title Amount or Number of Shares Non-qualified Stock Option (right to buy) ( 3 ) $ 6.54 07/10/2003 07/10/2013 Common Stock 100,000 100,000 D Non-qualified Stock Option (right to buy) ( 4 ) $ 6.54 07/10/2003 07/10/2013 Common Stock 480,000 480,000 D Non-qualified Stock Option (right to buy) ( 5 ) $ 6.54 07/10/2003 07/10/2013 Common Stock 16,144 16,144 D Non-qualified Stock Option (right to buy) ( 6 ) $ 6.54 07/10/2003 07/10/2013 Common Stock 380,858 380,858 D Non-qualified Stock Option (right to buy) ( 7 ) $ 6.54 07/10/2003 07/10/2013 Common Stock 1,212 1,212 D Non-qualified Stock Option (right to buy) ( 8 ) $ 6.54 07/10/2003 07/10/2013 Common Stock 125,000 125,000 D Non-qualified Stock Option (right to buy) ( 9 ) $ 5.53 09/15/2003 08/15/2010 Common Stock 600,000 600,000 D Non-qualified Stock Option (right to buy) ( 10 ) $ 5.52 01/10/2004 12/10/2010 Common Stock 500,000 500,000 D Non-Qualified Stock Option (Right to buy) ( 11 ) $ 5.84 06/21/2004 05/21/2011 Common Stock 1,100,000 1,100,000 D

Reporting Owners Reporting Owner Name / Address Relationships Director 10% Owner Officer Other REYES GREG 1745 TECHNOLOGY DRIVE SAN JOSE, CA95110 X Signatures /s/ Richard Deranleau, attorney in fact for Gregory L. Reyes 02/25/2005 Signature of Reporting Person Date

Explanation of Responses:

( 1 )Shares held by the Reyes Family Foundation. ( 2 )Shares held by the Reyes Family Trust DTD 4/30/95, over which the Reporting Person and his spouse exercise investment and voting control. ( 3 )Beneficial ownership disclosure only. 66,666 options vest on July 10, 2003; 33,334 options vest monthly from August 1, 2003 through November 1, 2003. ( 4 )Beneficial ownership disclosure only. 26,666 options vest on July 10, 2003; 133,334 options vest monthly from August 1, 2003 through November 1, 2006; 320,000 options vest monthly from November 1, 2005 through November 1, 2006. ( 5 )Beneficial ownership disclosure only. 10,969 options vest on July 10, 2003; 5,175 options vest monthly from August 1, 2003 through November 1, 2003. ( 6 )Beneficial ownership disclosure only. 21,158 options vest on July 10, 2003; 105,794 options vest monthly from August 1, 2003 through November 1, 2006; 253,906 options vest monthly from November 1, 2005 through November 1, 2006. ( 7 )Beneficial ownership disclosure only. 1,212 options vest on July 10, 2003. ( 8 )Beneficial ownership disclosure only. 54,687 options vest on July 10, 2003; 70,313 options vest monthly from August 1, 2003 through October 1, 2005. ( 9 )Beneficial ownership disclosure only. 600,000 options vest monthly from September 15, 2003 through August 15, 2007. ( 10 )Beneficial ownership disclosure only. Options vest monthly from January 10, 2004 through December 10, 2007. ( 11 )Beneficial ownership disclosure only. Option vests monthly over three years beginning on date of grant.

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.

* If the form is filed by more than one reporting person, see Instruction 4(b)(v).

** Intentional misstatements or omissions of facts constitute Federal Criminal Violations. See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).

Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.