X0306 4 2017-12-13 0001000697 WATERS CORP /DE/ WAT 0001666020 Kelly Terrence P 34 MAPLE STREET MILFORD MA 01757 1 SVP, President TA Instruments Common Stock 2017-12-13 2017-12-13 5 G 0 E 254 0 D 5155 D Common Stock 2017-12-13 2017-12-13 4 M 0 6400 87.06 A 11555 D Common Stock 2017-12-13 2017-12-13 4 S 0 6400 197.78 D 5155 D Common Stock 2017-12-13 2017-12-13 4 M 0 4000 98.21 A 9155 D Common Stock 2017-12-13 2017-12-13 4 S 0 4000 197.80 D 5155 D Common Stock 2017-12-13 2017-12-13 4 M 0 5400 113.36 A 10555 D Common Stock 2017-12-13 2017-12-13 4 S 0 5400 197.75 D 5155 D Common Stock 2017-12-13 2017-12-13 4 M 0 5066 128.93 A 10221 D Common Stock 2017-12-13 2017-12-13 4 S 0 5066 197.22 D 5155 D Common Stock 2017-12-13 2017-12-13 4 M 0 4134 139.51 A 9289 D Common Stock 2017-12-13 2017-12-13 4 S 0 4134 197.58 D 5155 D Common Stock 160.6387 I by ESPP Stock Option (Right to Buy) 87.06 2017-12-13 2017-12-13 4 M 0 6400 0 D 2013-12-11 2022-12-11 Common Stock 6400 0 D Stock Option (Right to Buy) 98.21 2017-12-13 2017-12-13 4 M 0 4000 0 D 2014-12-06 2023-12-06 Common Stock 4000 4000 D Stock Option (Right to Buy) 113.36 2017-12-13 2017-12-13 4 M 0 5400 0 D 2015-12-11 2024-12-11 Common Stock 5400 10800 D Stock Option (Right to Buy) 128.93 2017-12-13 2017-12-13 4 M 0 5066 0 D 2016-12-09 2025-12-09 Common Stock 5066 15198 D Stock Option (Right to Buy) 139.51 2017-12-13 2017-12-13 4 M 0 4134 0 D 2017-12-09 2026-12-09 Common Stock 4134 16532 D /s/ Terrence P Kelly 2017-12-15