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

Mar 19, 2004

SEC Form 4/A — Form 4/A

Issuer: BIO RAD LABORATORIES INC (bio)
CIK: 0000012208
Period of Report: 2004-03-19

Reporting Person: HUTTON RONALD W (Treasurer)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2004-03-19	Bio-Rad Laboratories Class A Common Stock	S	625	$58.23	Disposed	1161	Direct

Holdings (Derivative)

Security	Exercise Price	Expiration	Underlying	Shares	Ownership
Incentive Stock Option	$10.75	2010-09-19	Class A Common Stock (1875)	1875	Direct
Incentive Stock Option	$11.94	2010-02-02	Class A Common Stock (1250)	1250	Direct
Incentive Stock Option	$10.75	2010-09-19	Class A Common Stock (3000)	3000	Direct
Incentive Stock Option	$28.61	2010-02-06	Class A Common Stock (3000)	3000	Direct
Incentive Stock Option	$35.5	2013-01-06	Class A Common Stock (2000)	2000	Direct
Incentive Stock Option	$53.75	2015-02-04	Class A Common Stock (2300)	2300	Direct