GYSIN GARY (0001278098)

Mailing Address C/O MCDATA CORP 380 INTERLOCKEN CRESENT BROOMFIELD CO 80021 Ownership Reports for Issuers: (Click on issuer name to see other owners for the issuer, or CIK for issuer filings.) Issuer Filings Transaction Date Type of Owner MCDATA CORP 0000731502 2004-01-30 officer: SVP Worldwide Sales

Items 1 - 18

The information presented below contains only portions of the information presented in the referenced filing or filings.
You should consult the original filing for complete information. Hyperlinks to the forms are provided for your convenience.

Acquistion or Disposition	Transaction Date	Deemed Execution Date	Issuer	Form	Transaction Type	Direct or Indirect Ownership	Number of Securities Transacted	Number of Securities Owned	Line Number	Issuer CIK	Security Name
A	2006-05-01		MCDATA CORP	4	D-Return	--D	227.0000	7873.0000	3	0000731502	McDATA Class B Common Stock
A	2006-05-01		MCDATA CORP	4	D-Return	--D	1473.0000	8100.0000	2	0000731502	McDATA Class B Common Stock
D	2006-05-01		MCDATA CORP	4	D-Return	--D	2900.0000	9573.0000	1	0000731502	McDATA Class B Common Stock
A	2006-04-14		MCDATA CORP	4	A-Award	--D	0.0000	105000.0000	4	0000731502	McDATA Class B Restricted Stock Units
A	2006-04-14		MCDATA CORP	4	A-Award	--D	60000.0000	105000.0000	2	0000731502	McDATA Class B Restricted Stock Units
D	2006-03-13		MCDATA CORP	4	J-Other	--D	0.0000	12473.0000	1	0000731502	McDATA Class B Common Stock
D	2006-03-13		MCDATA CORP	4	D-Return	--D	5600.0000	12473.0000	1	0000731502	McDATA Class B Common Stock
A	2005-12-29		MCDATA CORP	4	A-Award	--D	150000.0000	425000.0000	1	0000731502	McDATA Class B Stock Options
A	2005-05-05		MCDATA CORP	4	A-Award	--D	60000.0000	335000.0000	1	0000731502	Restricted Stock Units
A	2004-08-31		MCDATA CORP	4	J-Other	--D	1234.0000	3073.0000	1	0000731502	McDATA Class B Common Stock
A	2004-05-24		MCDATA CORP	4	A-Award	--D	25000.0000	275000.0000	1	0000731502	Class B Stock Options
A	2004-02-29		MCDATA CORP	4	P-Purchase	--D	1839.0000	1839.0000	1	0000731502	McDATA Class B Common Stock
A	2004-02-13		MCDATA CORP	4	A-Award	--D	50000.0000	250000.0000	3	0000731502	McDATA Class B Stock Options
A	2004-02-13		MCDATA CORP	4	A-Award	--D	50000.0000	250000.0000	1	0000731502	McDATA Class B Stock Options
A	2002-12-30		MCDATA CORP	4	J-Other	--D	0.0000	24000.0000	2	0000731502	McDATA Class B Retricted Stock
-	-		MCDATA CORP	4	-	---			1	-	-
-	-		MCDATA CORP	3	-	--D		24000.0000	1	0000731502	McDATA Class B Restricted Stock
-	-		MCDATA CORP	3	-	--D			2	0000731502	McDATA Class B Stock Options

http://www.sec.gov/cgi-bin/own-disp

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