X0306 4 2013-02-25 0 0000353569 QUIDEL CORP /DE/ QDEL 0001406652 BRYANT DOUGLAS C 10165 MCKELLAR COURT SAN DIEGO CA 92121 1 1 0 0 President & CEO Non-Qualified Stock Option 22.21 2013-02-25 4 A 0 92326 0.00 A 2023-02-25 Common Stock 92326 92326 D Restricted Stock Units 2013-02-25 4 A 0 4389 0.00 A Common Stock 4389 4389 D 46,163 shares will vest on the second anniversary date of the grant date, February 25, 2015. 23,081 shares will vest on the third anniversary date of the grant date, February 25, 2016. 23,082 shares will vest on the fourth anniversary date of the grant date, February 25, 2017. Each restricted stock unit represents the right to receive one share of Quidel Corporation common stock. 2,194 shares will vest on the second anniversary date of the grant date, February 25, 2015. 1,097 shares will vest on the third anniversary date of the grant date, February 25, 2016. 1,098 shares will vest on the fourth anniversary date of the grant date, February 25, 2017. Robert J. Bujarski, attorney-in-fact for Douglas C. Bryant 2013-02-27