X0508 4/A 2024-02-07 2024-02-09 0001000697 WATERS CORP /DE/ WAT 0001821498 Batra Udit 34 MAPLE STREET MILFORD MA 01757 1 1 President and CEO 0 Common Stock 2024-02-07 4 A 0 14511 0 A 21133 D Represents earned performance shares with respect to a performance stock unit award originally granted on February 18, 2021 that contained performance-vesting requirements. The issuer's compensation committee certified as to the level of performance-goal attainment on February 7, 2024 and the shares will service vest on March 1, 2024. Amended Form 4 filed to disclose the correct number of earned performance shares acquired by the reporting person. This number reflects the number of shares held by the reporting person immediately after this transaction (as corrected) and does not reflect any subsequent acquisitions or dispositions of shares. Exhibit 24 - Power of Attorney /s/ Christina Kelleher, attorney-in-fact for Udit Batra 2024-10-25