BIO-RAD LABORATORIES, INC. — Director's Dealing 2005

Feb 28, 2005

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: BIO RAD LABORATORIES INC (BIO)
CIK: 0000012208
Period of Report: 2005-02-23

Reporting Person: SCHWARTZ ALICE N (Director, 10% Owner)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2005-02-23	Bio-Rad A Common Stock	G	860	$48.73	Disposed	3196946	Direct
2005-02-23	Bio-Rad B Common Stock	G	2640	$48.5	Disposed	122512	Direct
2005-02-24	Bio-Rad B Common Stock	M	65930	$12.96	Acquired	188442	Direct

Holdings (Non-Derivative)

Security	Shares	Ownership
Bio-Rad A Common Stock	11437	Indirect
Bio-Rad B Common Stock	4060054	Indirect
Bio-Rad B Common Stock	41176	Indirect

Footnotes

F1: The stock option exercise reported is the exercise of derivative securities by spouse. Alice N. Schwartz is the spouse of David Schwartz, Chairman of the Board of Bio-Rad Laboratories and beneficial owner of more that 10% of the Company's Common Stock.

F2: The shares are held by a limited partnership of which the reporting person is a general partner.

F3: The shares are held by a limited partnership of which the reporting person is a limited and general partner.