X0306 4 2022-05-27 1 0000353569 QUIDEL CORP /DE/ QDEL 0001333458 Bujarski Robert Joseph 9975 SUMMERS RIDGE ROAD SAN DIEGO CA 92121 0 1 0 0 Chief Operating Officer Common Stock 2022-05-27 4 D 0 29164 D 0 D Non-Qualified Stock Options 23.41 2022-05-27 4 D 0 8798 0.00 D 2025-02-05 Common Stock 8798 0 D Non-Qualified Stock Options 15.40 2022-05-27 4 D 0 17596 0.00 D 2026-02-10 Common Stock 17596 0 D Non-Qualified Stock Options 21.08 2022-05-27 4 D 0 14343 0.00 D 2027-02-15 Common Stock 14343 0 D Non-Qualified Stock Options 46.41 2022-05-27 4 D 0 9212 0.00 D 2028-01-16 Common Stock 9212 0 D Non-Qualified Stock Options 59.12 2022-05-27 4 D 0 7246 0.00 D 2029-02-04 Common Stock 7246 0 D Non-Qualified Stock Options 77.16 2022-05-27 4 D 0 6641 0.00 D 2030-02-03 Common Stock 6641 0 D Non-Qualified Stock Options 159.39 2022-05-27 4 D 0 2935 0.00 D 2030-09-14 Common Stock 2935 0 D Non-Qualified Stock Options 254.00 2022-05-27 4 D 0 3514 0.00 D 2031-02-01 Common Stock 3514 0 D Non-Qualified Stock Options 103.36 2022-05-27 4 D 0 12876 0.00 D 2032-01-31 Common Stock 12876 0 D Restricted Stock Units 2022-05-27 4 D 0 3623 0.00 D Common Stock 3623 0 D Restricted Stock Units 2022-05-27 4 D 0 2749 0.00 D Common Stock 2749 0 D Restricted Stock Units 2022-05-27 4 D 0 824 0.00 D Common Stock 824 0 D Restricted Stock Units 2022-05-27 4 D 0 1033 0.00 D Common Stock 1033 0 D Restricted Stock Units 2022-05-27 4 D 0 3320 0.00 D Common Stock 3320 0 D Restricted Stock Units 2022-05-27 4 D 0 1052 0.00 D Common Stock 1052 0 D Restricted Stock Units 2022-05-27 4 D 0 315 0.00 D Common Stock 315 0 D Restricted Stock Units 2022-05-27 4 D 0 941 0.00 D Common Stock 941 0 D Restricted Stock Units 2022-05-27 4 D 0 1351 0.00 D Common Stock 1351 0 D Restricted Stock Units 2022-05-27 4 D 0 405 0.00 D Common Stock 405 0 D Restricted Stock Units 2022-05-27 4 D 0 2637 0.00 D Common Stock 2637 0 D Restricted Stock Units 2022-05-27 4 D 0 1559 0.00 D Common Stock 1559 0 D Restricted Stock Units 2022-05-27 4 D 0 12878 0.00 D Common Stock 12878 0 D Restricted Stock Units 2022-05-27 4 D 0 13545 0.00 D Common Stock 13545 0 D Restricted Stock Units 2022-05-27 4 D 0 1190 0.00 D Common Stock 1190 0 D Restricted Stock Units 2022-05-27 4 D 0 357 0.00 D Common Stock 357 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. 5,435 shares are vested in full; 1,811 shares will vest on February 4, 2023. 3,321 shares are vested in full; the remaining 3,320 shares will vest in equal installments on February 3, 2023 and February 3, 2024. 1,467 shares will vest on September 14, 2022; the remaining 1,468 shares will vest in equal installments on September 14, 2023 and September 14, 2024. 878 shares are vested in full; 878 shares will vest on February 1, 2023; the remaining 1,758 shares will vest in equal installments on February 1, 2024 and February 1, 2025. 12,876 shares will vest in equal installments on January 31, 2023, 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). 3,623 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. 1,033 shares will vest on November 18, 2022. 3,320 shares will vest in equal installments on February 3, 2023 and February 3, 2024. 313 shares will vest on September 14, 2022; the remaining 628 shares will vest in equal installments on September 14, 2023 and September 14, 2024. 2,637 shares will vest in equal installments on February 1, 2023, February 1, 2024 and February 1, 2025. 389 shares will vest on October 15, 2022; the remaining 1,170 shares will vest in equal installments on October 15, 2023, October 15, 2024 and October 15, 2025. 3,219 shares will vest on each of January 31, 2023 and January 31, 2024; 3,220 shares will vest on each of January 31, 2025 and January 31, 2026. 6,772 shares will vest on January 31, 2024; 3,386 shares will vest on January 31, 2025; and 3,387 shares will vest on January 31, 2026. 357 shares will vest on January 31, 2023. /s/ Phillip S. Askim, attorney-in-fact for Robert J. Bujarski 2022-06-01