Stock Trading History of Petrovich Michael

The following table details the trading activities (stock purchases, stock sales, and stock option exercises) reported to the Securities and Exchange Commission (SEC) by insider Petrovich Michael since year 2005. The trader's CIK number is 1228090. At the time of this reporting, Petrovich Michael is the V.P. International S of Castelle \ca\ (stock ticker symbol CSTL).

Stock purchases, sales, and option exercises reported by *Petrovich Michael* since 2005.
Trade Date	Symbol	Company Name (Issuer)	Trade Type	Shares	Price ($)	Value ($)
2006-11-10	CSTL	Castelle \\ca\\	Option Exercise	20,000	.88	17,500
2006-02-23	CSTL	Castelle \\ca\\	Option Exercise	10,000	.94	9,375
2005-08-15	CSTL	Castelle \\ca\\	Sale	700	3.70	2,590
2005-08-12	CSTL	Castelle \\ca\\	Sale	300	3.70	1,110
2005-08-03	CSTL	Castelle \\ca\\	Sale	2,000	3.66	7,320
2005-08-01	CSTL	Castelle \\ca\\	Sale	5,000	3.61	18,035

Insider trading activities including stock purchases, stock sales, and option exercises listed in the above table cannot be completely guaranteed as to their accuracy. For more information regarding the trades made by Petrovich Michael (V.P. International S of Castelle \ca\ at the time of this reporting) see the Securities and Exchange Commission (SEC) website.