X0306 4 2022-05-27 1 0000353569 QUIDEL CORP /DE/ QDEL 0001406652 BRYANT DOUGLAS C 9975 SUMMERS RIDGE ROAD SAN DIEGO CA 92121 1 1 0 0 President & CEO Common Stock 2022-05-27 4 D 0 505926 D 0 D Non-Qualified Stock Options 15.40 2022-05-27 4 D 0 23461 0.00 D 2026-02-10 Common Stock 23461 0 D Non-Qualified Stock Options 21.08 2022-05-27 4 D 0 20249 0.00 D 2027-02-15 Common Stock 20249 0 D Non-Qualified Stock Options 46.41 2022-05-27 4 D 0 27637 0.00 D 2028-01-16 Common Stock 27637 0 D Non-Qualified Stock Options 59.12 2022-05-27 4 D 0 37440 0.00 D 2029-02-04 Common Stock 37440 0 D Non-Qualified Stock Options 77.16 2022-05-27 4 D 0 30358 0.00 D 2030-02-03 Common Stock 30358 0 D Non-Qualified Stock Options 228.21 2022-05-27 4 D 0 10593 0.00 D 2030-08-24 Common Stock 10593 0 D Non-Qualified Stock Options 254.00 2022-05-27 4 D 0 8924 0.00 D 2031-02-01 Common Stock 8924 0 D Non-Qualified Stock Options 142.45 2022-05-27 4 D 0 11140 0.00 D 2031-07-28 Common Stock 11140 0 D Non-Qualified Stock Options 103.36 2022-05-27 4 D 0 27043 0.00 D 2032-01-31 Common Stock 27043 0 D Restricted Stock Units 2022-05-27 4 D 0 18720 0.00 D Common Stock 18720 0 D Restricted Stock Units 2022-05-27 4 D 0 7309 0.00 D Common Stock 7309 0 D Restricted Stock Units 2022-05-27 4 D 0 2192 0.00 D Common Stock 2192 0 D Restricted Stock Units 2022-05-27 4 D 0 7590 0.00 D Common Stock 7590 0 D Restricted Stock Units 2022-05-27 4 D 0 2921 0.00 D Common Stock 2921 0 D Restricted Stock Units 2022-05-27 4 D 0 3347 0.00 D Common Stock 3347 0 D Restricted Stock Units 2022-05-27 4 D 0 27043 0.00 D Common Stock 27043 0 D Restricted Stock Units 2022-05-27 4 D 0 24187 0.00 D Common Stock 24187 0 D Restricted Stock Units 2022-05-27 4 D 0 2646 0.00 D Common Stock 2646 0 D Restricted Stock Units 2022-05-27 4 D 0 794 0.00 D Common Stock 794 0 D Pursuant to the Business Combination Agreement, dated as of December 22, 2021 (the "Business Combination Agreement") by and among Quidel Corporation ("Quidel"), Ortho Clinical Diagnostics Holdings plc, QuidelOrtho Corporation ("QuidelOrtho"), Orca Holdco, Inc., Laguna Merger Sub, Inc. and Orca Holdco 2, Inc., each share of common stock of Quidel beneficially owned by the Reporting Person at the effective time of the transaction contemplated by the Business Combination Agreement will be exchanged for one share of common stock of QuidelOrtho. Pursuant to the Business Combination Agreement, the Quidel Non-Qualified Stock Options will be converted into an equal number of Non-Qualified Stock Options to purchase shares of common stock of QuidelOrtho on the same terms and conditions (including applicable vesting conditions). Vested in full. 28,080 shares are vested in full; 9,360 shares will vest on February 4, 2023. 15,180 shares are vested in full; the remaining 15,178 shares will vest in equal installments on February 3, 2023 and February 3, 2024. 3,531 shares are vested in full; the remaining 7,062 shares will vest in equal installments on August 24, 2022 and August 24, 2023. 2,231 shares are vested in full; the remaining 6,693 shares will vest in equal installments on February 1, 2023, February 1, 2024 and February 1, 2025. 3,713 shares will vest on July 28, 2022; 3,713 shares will vest on July 28, 2023; and 3,714 shares will vest on July 28, 2024. 6,760 shares will vest on January 31, 2023; the remaining 20,283 shares will vest in equal installments on January 31, 2024, January 31, 2025 and January 31, 2026. Each restricted stock unit represents the right to receive one share of Quidel common stock. Pursuant to the Business Combination Agreement, the Quidel restricted stock units will be converted into an equal number of restricted stock units representing the right to receive shares of common stock of QuidelOrtho on the same terms and conditions (including applicable vesting conditions). 18,720 shares will vest on February 4, 2023. Release of restricted stock units was deferred pursuant to Quidel's deferred compensation program applicable to participating employees and will occur according to the elected deferral schedule. 7,590 shares will vest in equal installments on February 3, 2023 and February 3, 2024. 1,460 shares will vest on August 24, 2022 and 1,461 shares will vest on August 24, 2023. 1,115 shares will vest on February 1, 2023; the remaining 2,232 shares will vest in equal installments on February 1, 2024 and February 1, 2025. 6,760 shares will vest on January 31, 2023; the remaining 20,283 shares will vest in equal installments on January 31, 2024, January 31, 2025 and January 31, 2026. 12,093 shares will vest on January 31, 2024; the remaining 12,094 shares will vest in equal installments on January 31, 2025 and January 31, 2026. 794 shares will vest on January 31, 2023. /s/ Phillip S. Askim, attorney-in-fact for Douglas C. Bryant 2022-06-01