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

May 21, 2004

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: BIO RAD LABORATORIES INC (BIO)
CIK: 0000012208
Period of Report: 2004-02-04

Reporting Person: WADLER SANFORD (Secretary)

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2004-02-04	Incentive Stock Option	$53.75	A	2399	Acquired	2014-02-04	Class A Common Stock (2399)	Direct
2004-02-04	Non Qualified Stock Options	$53.75	A	3601	Acquired	2014-02-04	Class A Common Stock (3601)	Direct

Holdings (Non-Derivative)

Security	Shares	Ownership
Class A Common Stock	25200	Direct

Holdings (Derivative)

Security	Exercise Price	Expiration	Underlying	Shares	Ownership
Incentive Stock Option	$28.61	2012-02-06	Class A Common Stock (7924)	7924	Direct
Non Qualified Stock Option	$28.61	2012-02-06	Class A Common Stock (2076)	2076	Direct
Incentive Stock Options	$35.5	2013-02-05	Class A Common Stock (5042)	5042	Direct
Non Qualified Stock Option	$35.5	2013-02-05	Class A Common Stock (4958)	4958	Direct
Incentive Stock Option	$13.335	2007-02-07	Class A Common Stock (4700)	4700	Direct
Incentive Stock Option	$11.57	2008-02-11	Class A Common Stock (6000)	6000	Direct
Incentive Stock Options	$11.94	2010-02-02	Class A Common Stock (8000)	8000	Direct
Incentive Stock Option	$10.75	2010-09-19	Class A Common Stock (2000)	2000	Direct
Incentive Stock Option	$10.75	2010-09-19	Class A Common Stock (3000)	3000	Direct
Non Qualified Stock Option	$10.75	2010-09-19	Class A Common Stock (2644)	2644	Direct