X0306 4 2017-09-30 0001000697 WATERS CORP /DE/ WAT 0001186873 SALICE THOMAS P 34 MAPLE STREET MILFORD MA 01757 1 Common Stock 16849 D Common Stock 7950 I By Family Charitable Trust Common Stock 69648 I By Limited Liability Company Common Stock 3000 I By Rollover Ira Phantom Stock Units 2017-09-30 4 A 0 144.77 0 A 2017-09-30 Common Stock 144.77 144.77 D The reported securities are held by SRB Investments LLC, a limited liability company of which the reporting person is the sole Operations Manager. The reporting person disclaims beneficial ownership of the WAT common stock held by SRB Investments LLC except to the extent of his pecuniary interest therein. COMMON STOCK UNITS ARE CONVERTIBLE INTO COMMON STOCK SHARES ON A ONE TO ONE RATIO. UPON RESIGNATION AS DIRECTOR. /s/ Thomas P Salice 2017-10-03