FORM 4 Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934, Section 17(a) of the Public Utility Holding Company Act of 1935 or Section 30(h) of the Investment Company Act of 1940

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1. Name and Address of Reporting Person * SCHWARTZ DAVID   2. Issuer Name and Ticker or Trading Symbol BIO RAD LABORATORIES INC [bio bio.b] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) __X__ Director __X__ 10% Owner __X__ Officer (give title below) _____ Other (specify below) Chairman of the Board (Last) (First) (Middle) 1000 ALFRED NOBEL DRIVE 3. Date of Earliest Transaction (Month/Day/Year) 04/03/2006 (Street) HERCULES, CA 94547 4. If Amendment, Date Original Filed(Month/Day/Year) 04/05/2006 6. Individual or Joint/Group Filing(Check Applicable Line) _X_ Form filed by One Reporting Person ___ Form filed by More than One Reporting Person (City) (State) (Zip) Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned

1.Title of Security (Instr. 3) 2. Transaction Date (Month/Day/Year) 2A. Deemed Execution Date, if any (Month/Day/Year) 3. Transaction Code (Instr. 8) 4. Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5) 5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4) 6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 7. Nature of Indirect Beneficial Ownership (Instr. 4) Code V Amount (A) or (D) Price

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Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned
(e.g., puts, calls, warrants, options, convertible securities)

1. Title of Derivative Security (Instr. 3)

2. Conversion or Exercise Price of Derivative Security

3. Transaction Date (Month/Day/Year)

3A. Deemed Execution Date, if any (Month/Day/Year)

4. Transaction Code (Instr. 8)

5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4, and 5)

6. Date Exercisable and Expiration Date (Month/Day/Year)

7. Title and Amount of Underlying Securities (Instr. 3 and 4)

8. Price of Derivative Security (Instr. 5)

9. Number of Derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)

10. Ownership Form of Derivative Security: Direct (D) or Indirect (I) (Instr. 4)

11. Nature of Indirect Beneficial Ownership (Instr. 4)

Code

V

(A)

(D)

Date Exercisable

Expiration Date

Title

Amount or Number of Shares

Incentive Stock Option (right to buy)

$ 69.3 (1)

04/03/2006

A

1,587

04/03/2011(2)

04/03/2011

Bio-Rad Common B

1,587

$ 69.3

1,587

D

Incentive Stock Option (right to buy)

$ 31.77

02/06/2004(2)

02/06/2007

Bio-Rad Common B

10,390

10,390

D

Incentive Stock Option (right to buy)

$ 39.6

02/05/2008(2)

02/05/2008

Bio-Rad Common B

2,777

2,777

D

Incentive Stock Option (right to buy)

$ 58.85

02/04/2009(2)

02/04/2009

Bio-Rad Common B

1,699

1,699

D

Incentive Stock Option (right to buy)

$ 62.04

02/09/2009(2)

02/09/2010

Bio-Rad Common B

1,897

1,897

D

Reporting Owners

Reporting Owner Name / Address	Relationships
	Director	10% Owner	Officer	Other
SCHWARTZ DAVID 1000 ALFRED NOBEL DRIVE HERCULES, CA 94547	X	X	Chairman of the Board

Signatures

David Schwartz		04/12/2006
**Signature of Reporting Person		Date

Explanation of Responses:

*	If the form is filed by more than one reporting person, see Instruction 4(b)(v).
**	Intentional misstatements or omissions of facts constitute Federal Criminal Violations. See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
(1)	The exercise price has been amended as the reporting person owns greater than 10% of the total combined voting power of all classes of stock of the company and in order to be in compliance with requirements under Internal Revenue Code Sction 422, the correct exercise price is $69.30 which is 110% of the fair market value on the grant date.
(2)	The "Date Exercisable" for this stock option has been amended to reflect the correct vesting date.

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