BIO-RAD LABORATORIES, INC. — Director's Dealing 2004

Mar 23, 2004

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: BIO RAD LABORATORIES INC (BIO)
CIK: 0000012208
Period of Report: 2004-03-23

Reporting Person: STARK JAMES R (Corporate Controller)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2004-03-23	Bio-Rad Laboratories Class A Common Stock	S	850	$56.1435	Disposed	6190	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2004-02-04	Incentive Stock Option	$53.75	A	2300	Acquired	2014-02-04	Class A Common Stock (2300)	Direct

Holdings (Derivative)

Security	Exercise Price	Expiration	Underlying	Shares	Ownership
Incentive Stock Option	$10.75	2010-09-19	Class A Common Stock (2500)	2500	Direct
Incentive Stock Option	$10.75	2010-09-19	Class A Common Stock (4000)	4000	Direct
Incentive Stock Option	$11.57	2008-02-11	Class A Common Stock (3000)	3000	Direct
Incentive Stock Option	$11.94	2010-02-02	Class A Common Stock (2500)	2500	Direct
Incentive Stock Option	$13.34	2006-02-07	Class A Common Stock (2210)	2210	Direct
Incentive Stock Option	$16.32	2007-02-05	Class A Common Stock (3000)	3000	Direct
Incentive Stock Option	$28.61	2012-02-06	Class A Common Stock (3000)	3000	Direct
Incentive Stock Option	$35.5	2013-02-05	Class A Common Stock (2000)	2000	Direct