X0508 4 2026-02-03 0000842023 BIO-TECHNE Corp TECH 0002055523 Herr Amy E. 614 MCKINLEY PLACE NE MINNEAPOLIS MN 55413 1 0 0 0 0 Common Stock 2680 D Common Stock 2026-02-03 4 M 0 38 0 A 2192 I By significant other Common Stock 2026-02-03 4 F 0 16 64.63 D 2176 I By significant other Stock Option (Right to Buy) 72.05 2025-10-24 2035-02-03 Common Stock 2415 2415 D Stock Option (Right to Buy) 60.96 2035-10-30 Common Stock 3777 3777 D Stock Option (Right to Buy) 47.60 2026-08-07 Common Stock 6636 6636 I By significant other Stock Option (Right to Buy) 66.97 2027-08-05 Common Stock 4472 4472 I By significant other Stock Option (Right to Buy) 120.46 2028-08-06 Common Stock 2076 2076 I By significant other Stock Option (Right to Buy) 94.52 2029-08-15 Common Stock 2104 2104 I By significant other Stock Option (Right to Buy) 84.61 2030-08-15 Common Stock 1084 1084 I By significant other Stock Option (Right to Buy) 74.91 2034-08-15 Common Stock 1468 1468 I By significant other Stock Option (Right to Buy) 72.05 2035-02-03 Common Stock 344 344 I By significant other Restricted Stock Units Common Stock 118 118 I By significant other Restricted Stock Units Common Stock 320 320 I By significant other Restricted Stock Units 2026-02-03 4 M 0 38 0 D Common Stock 38 77 I By significant other Restricted Stock Units Common Stock 932 932 I By significant other Stock Option (Right to Buy) 53.60 2035-08-15 Common Stock 2735 2735 I By significant other This option vests on the earlier of the one year anniversary of the grant date (10/30/2025) or the date of Bio-Techne's 2026 annual meeting of shareholders. Fully vested. Options to purchase 528 shares vest on 8/15/2023 and 8/15/2025; and options to purchase 524 shares vest on 8/15/2024 and 8/15/2026. Options to purchase 271 shares vest on each of 8/15/2024, 8/15/2025, 8/15/2026 and 8/15/2027. Options to purchase 367 shares vest on each of 8/15/2025, 8/15/2026, 8/15/2027 and 8/15/2028. Options to purchase 86 shares vest on each of 2/3/2026, 2/3/2027, 2/3/2028 and 2/3/2029. Each restricted stock unit represents a contingent right to receive one share of Bio-Techne common stock. 118 restricted stock units vest on 8/15/2026. 160 restricted stock units vest on each of 8/15/2026 and 8/15/2027. 38 restricted stock units vest on each of 2/3/2026 and 2/3/2027, and 39 restricted stock units vest on 2/3/2028. 311 restricted stock units vest on each of 8/15/2026 and 8/15/2027, and 310 restricted stock units vest on 8/15/2028. Options to purchase 912 shares vest on each of 8/15/2026 and 8/15/2027, and options to purchase 911 shares vest on 8/15/2028. /s/ Andrew Nick as Attorney-in-Fact for Amy E. Herr pursuant to Power of Attorney previously filed 2026-02-05