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 NORMAN D (Director, President, 10% Owner)

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2004-02-04	Incentive Stock Option	$58.85	A	3737	Acquired	2014-02-04	Class B Common Stock (3737)	Direct
2004-02-04	Non Qualified Stock Option	$53.5	A	60553	Acquired	2014-02-04	Class B Common Stock (60553)	Direct

Holdings (Non-Derivative)

Security	Shares	Ownership
Class B Common Stock	15750	Direct
Class B Common Stock	9870	Indirect
Class A Common Stock	211454	Direct
Class B Common Stock	528480	Indirect
Class B Common Stock	13726	Indirect

Holdings (Derivative)

Security	Exercise Price	Expiration	Underlying	Shares	Ownership
Incentive Stock Option	$31.77	2012-02-06	Class B Common Stock (7928)	7928	Direct
Non Qualified Stock Option	$28.88	2012-02-06	Class B Common Stock (2072)	2072	Direct
Incentive Stock Option	$39.6	2013-02-05	Class B Common Stock (2955)	2955	Direct
Non Qualified Stock Option	$36	2013-02-05	Class B Common Stock (64828)	64828	Direct
Incentive Stock Option	$12.44	2010-02-02	Class B Common Stock (7500)	7500	Direct
Incentive Stock Option	$13.14	2010-09-19	Class B Common Stock (12010)	12010	Direct
Non Qualified Stock Option	$11.94	2010-09-19	Class B Common Stock (5490)	5490	Direct