X0306 4 2022-03-15 0000795403 WATTS WATER TECHNOLOGIES INC WTS 0001649618 Patel Shashank 815 CHESTNUT STREET NORTH ANDOVER MA 01845 1 Chief Financial Officer Class A Common Stock 2022-03-15 4 A 0 2601.0000 0.0000 A 18516.0000 D Class A Common Stock 2022-03-16 4 F 0 681.0000 146.0300 D 17835.0000 D Consists of shares of deferred stock that vest in three equal annual installments beginning on the first anniversary of the date of grant. Represents shares disposed to cover taxes upon the vesting of a deferred stock award granted to the Reporting Person on March 16, 2020. 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 2022-03-17