X0202 4 2004-06-02 1 0000719447 HYCOR BIOMEDICAL INC /DE/ HYBD 0001206596 DAVOUDZADEH DAVID PHD 7272 CHAPMAN AVENUE GARDEN GROVE CA 92841 0 1 0 0 Vice President, R&D Common Stock 2004-06-02 5 D 0 9039 D 0 D Employee Stock Option (Right to Buy) 1.71 2004-06-02 4 D 0 20000 D 2012-11-14 Common Stock 20000 0 D Disposed of pursuant to merger agreement between issuer and Stratagene Corporation in exchange for 5,566 shares of Stratagene common stock having a market value of $5.75 per share on the effective date of the merger (based on the closing price of issuer's common stock on the effective date of the merger multiplied by the exchange ratio of 0.6158). This option, which provided for vesting in 4 equal installments beginning 11/15/03, was assumed by Stratagene in the merger and replaced with an option to purchase 12,316 shares of Stratagene common stock for $2.78 per share By:/s/Reg Jones, Attorney-in-Fact, On Behalf of David Davoudzadeh 2004-06-09