X0202 4 2004-06-02 1 0000719447 HYCOR BIOMEDICAL INC /DE/ HYBD 0001193644 THUNE NELSON F 7272 CHAPMAN AVENUE GARDEN GROVE CA 92841 0 1 0 0 Senior Vice President Common Stock 2004-06-02 4 D 0 163034 D 0 D Common Stock 2004-06-02 4 D 0 3452 D 0 I 401(k) Employee Stock Option (Right to Buy) 1.63 2004-06-02 4 D 0 24700 D 2002-08-12 2008-08-11 Common Stock 24700 0 D Employee Stock Option (Right to Buy) 2.00 2004-06-02 4 D 0 60000 D 2012-04-18 Common Stock 60000 0 D Employee Stock Option (Right to Buy) 5.21 2004-06-02 4 D 0 81196 D 2014-05-31 Common Stock 81196 0 D Disposed of pursuant to merger agreement between issuer and Stratagene Corporation in exchange for 102,521 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 is fully vested and was assumed by Stratagene in the merger and replaced with an option to purchase 15,210 shares of Stratagene common stock for $2.65 per share. This option, which provided for vesting in 4 equal installments beginning 4/18/02, was assumed by Stratagene in the merger and replaced with an option to purchase 36,948 shares of Stratagene common stock for $3.25 per share. This option, which provided for vesting in 4 equal installments beginning 6/1/05, was assumed by Stratagene in the merger and replaced with an option to purchase 50,000 shares of Stratagene common stock for $8.47 per share. Reg Jones, Attorney-in-Fact, On Behalf of Nelson F. Thune 2004-06-09