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: SCHWARTZ DAVID (Director, Chairman)

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2004-02-04	Incentive Stock Option	$58.85	A	1699	Acquired	2014-02-04	Class B common Stock (1699)	Direct
2004-02-04	Non Qualified Stock Option	$53.5	A	8301	Acquired	2014-02-04	Class B Common Stock (8301)	Direct

Holdings (Non-Derivative)

Security	Shares	Ownership
Class A Common Stock	3197806	Direct
Class A Common Stock	11437	Indirect
Class B Common Stock	116314	Direct
Class B Common Stock	4060054	Indirect
Class B Common Stock	41176	Indirect

Holdings (Derivative)

Security	Exercise Price	Expiration	Underlying	Shares	Ownership
Incentive Stock Option	$31.77	2012-02-06	Class B Common Stock (10390)	10390	Direct
Non Qualified Stock Option	$28.88	2012-02-06	Class B Common Stock (54850)	54850	Direct
Incentive Stock Option	$39.6	2013-02-05	Class B Common Stock (2777)	2777	Direct
Non Qualified Stock Option	$36	2013-02-05	Class B common Stock (7223)	7223	Direct
Non Qualified Stock Option	$12.96	2006-02-07	Class B Common Stock (65930)	65930	Direct
Non Qualified Stock Option	$15.82	2007-02-05	Class B Common Stock (64744)	64744	Direct
Non Qualified Stock Option	$11.97	2008-02-11	Class B Common Stock (63862)	63862	Direct
Non Qualified Stock Option	$11.31	2010-02-02	Class B Common Stock (66662)	66662	Direct
Non Qualified Stock Option	$11.94	2010-09-19	Class B Common Stock (72500)	72500	Direct
Incentive Stock Option	$12.44	2010-02-02	Class B Common Stock (8838)	8838	Direct