X0306 4 2020-03-16 0000795403 WATTS WATER TECHNOLOGIES INC WTS 0001532274 Nanda Munish 815 CHESTNUT STREET NORTH ANDOVER MA 01845 1 President, Americas & Europe Class A Common Stock 2020-03-16 4 A 0 6127.0000 0.0000 A 41910.0000 D Class A Common Stock 2020-03-16 4 F 0 764.0000 73.6200 D 41146.0000 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 restricted stock award granted to the Reporting Person on March 16, 2018. 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 2020-03-17