X0508 4 2025-05-15 0000313143 HAEMONETICS CORP HAE 0001674993 Simon, Christopher 125 SUMMER STREET BOSTON MA 02110 1 1 President & CEO 0 Common Stock 2025-05-15 4 F 0 2391 69.38 D 320796 D Common Stock 2025-05-16 4 F 0 7089 70.31 D 313707 D Represents shares withheld for tax obligations in connection with the vesting of certain restricted stock units ("RSUs") previously reported in Table I. This number includes unvested RSUs previously reported as well as 349 shares acquired by the reporting person under the Issuer's 2007 Employee Stock Purchase Plan (as amended) on April 30, 2025. /s/ Thomas V. Powers, attorney-in-fact for Mr. Simon 2025-05-19