X0306 4 2013-02-25 0 0000353569 QUIDEL CORP /DE/ QDEL 0001067586 STEWARD RANDALL J 10165 MCKELLAR COURT SAN DIEGO CA 92121 0 1 0 0 Chief Financial Officer Non-Qualified Stock Option 22.21 2013-02-25 4 A 0 37877 0.00 A 2023-02-25 Common Stock 37877 37877 D Restricted Stock Units 2013-02-25 4 A 0 1801 0.00 A Common Stock 1801 1801 D 18,938 shares will vest on the second anniversary date of the grant date, February 25, 2015. 9,469 shares will vest on the third anniversary date of the grant date, February 25, 2016. 9,470 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. 900 shares will vest on the second anniversary date of the grant date, February 25, 2015. 450 shares will vest on the third anniversary date of the grant date, February 25, 2016. 451 shares will vest on the fourth anniversary date of the grant date, February 25, 2017. Robert J. Bujarski, attorney-in-fact for Randall J. Steward 2013-02-27