X0508 4 2024-02-28 0000795403 WATTS WATER TECHNOLOGIES INC WTS 0001882422 Barry Monica 815 CHESTNUT STREET NORTH ANDOVER MA 01845 1 Chief HR Officer 0 Class A Common Stock 2024-02-28 4 F 0 288.0000 199.5100 D 4797.0000 D Represents shares disposed to cover taxes upon the vesting of a deferred stock award granted to the Reporting Person on October 4, 2021. The disposition of shares to cover tax withholding obligations is required by the terms of the Reporting Person's grant agreement and does not represent a discretionary transaction by the Reporting Person. /s/ Seth M. Kipp, Attorney-in-Fact 2024-02-29