Stock Trading History of Tsingos Christine A

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 Tsingos Christine A since year 2005. The trader's CIK number is 1278861. At the time of this reporting, Tsingos Christine A is the CFO of Bio Rad Laboratories Inc . (stock ticker symbol BIO). See this page for all insider trading activities at Bio Rad Laboratories Inc .

Stock purchases, sales, and option exercises reported by insider *Tsingos Christine A* since 2005.
Trade Date	Symbol	Company Name (Issuer)	Trade Type	Shares	Price ($)	Value ($)
2008-08-14	BIO, BIO.B	Bio Rad Laboratories Inc	Sale	4,808	105.42	506,877
2008-08-14	BIO, BIO.B	Bio Rad Laboratories Inc	Option Exercise	4,808	47.67	229,181
2007-08-15	BIO	Bio Rad Laboratories Inc	Sale	3,000	80.28	240,855
2007-08-15	BIO	Bio Rad Laboratories Inc	Option Exercise	3,000	35.50	106,500
2006-09-05	BIO	Bio Rad Laboratories Inc	Sale	3,500	73.66	257,797
2006-09-05	BIO	Bio Rad Laboratories Inc	Option Exercise	3,500	35.50	124,250

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 Tsingos Christine A (CFO of Bio Rad Laboratories Inc at the time of this reporting) see the Securities and Exchange Commission (SEC) website.