X0202 3 2007-06-11 0 0001383183 CombiMatrix Corp CBMX 0001399317 McShea Andrew 6500 HARBOUR HEIGHTS PARKWAY, SUITE 303 MUKILTEO, WA 98275 0 1 0 0 VP, Biology and Chemistry Stock Option (right to buy) 18.00 Acacia Research - CombiMatrix Common Stock 20000 D Stock Option (right to buy) 12.00 Acacia Research - CombiMatrix Common Stock 20000 D Stock Option (right to buy) 1.95 Acacia Research - CombiMatrix Common Stock 8000 D Stock Option (right to buy) 1.95 Acacia Research - CombiMatrix Common Stock 24000 D Stock Option (right to buy) 6.76 Acacia Research - CombiMatrix Common Stock 15000 D Stock Option (right to buy) 3.07 Acacia Research - CombiMatrix Common Stock 8609 D Stock Option (right to buy) 3.07 2007-06-19 Acacia Research - CombiMatrix Common Stock 278 D Stock Option (right to buy) 3.07 2007-07-19 Acacia Research - CombiMatrix Common Stock 278 D Stock Option (right to buy) 3.00 Acacia Research - CombiMatrix Common Stock 14998 D Stock Option (right to buy) 3.00 2007-06-14 Acacia Research - CombiMatrix Common Stock 556 D Stock Option (right to buy) 3.00 2007-07-14 Acacia Research - CombiMatrix Common Stock 555 D Stock Option (right to buy) 3.00 2007-08-14 Acacia Research - CombiMatrix Common Stock 556 D Stock Option (right to buy) 2.98 Acacia Research - CombiMatrix Common Stock 40998 D Stock Option (right to buy) 2.98 2007-06-26 Acacia Research - CombiMatrix Common Stock 1708 D Stock Option (right to buy) 2.98 2007-07-26 Acacia Research - CombiMatrix Common Stock 1708 D Stock Option (right to buy) 1.41 Acacia Research - CombiMatrix Common Stock 55555 D Stock Option (right to buy) 1.41 2007-06-18 Acacia Research - CombiMatrix Common Stock 5555 D Stock Option (right to buy) 1.41 2007-07-18 Acacia Research - CombiMatrix Common Stock 5555 D Stock Option (right to buy) 3.07 2007-08-15 Acacia Research - CombiMatrix Common Stock 835 D Stock Option (right to buy) 3.00 2007-08-15 Acacia Research - CombiMatrix Common Stock 3335 D Stock Option (right to buy) 2.98 2007-08-15 Acacia Research - CombiMatrix Common Stock 17086 D Stock Option (right to buy) 1.41 2007-08-15 Acacia Research - CombiMatrix Common Stock 133335 D The options reported are for the purchase of Acacia Research-CombiMatrix common stock, which if exercised prior to the redemption date on August 15, 2007, would be redeemed for CombiMatrix Corporation common stock at a rate of one (1) share of CombiMatrix Corporation Common Stock for every ten (10) shares of Acacia Research-CombiMatrix common stock. If the options are not exercised before August 15, 2007, they will be terminated as a result of the redemption. The holder of the option may exercise it at any time. /s/ Andrew McShea 2007-06-18