WTS Investor Presentation

2Q & Full Year 2022 Outlooks* 2Q 2022 Full Year 2022 Organic Growth 5% to 10% Acquired sales ~+$2M Total: 3% to 8% [Prior Same] Adj. Op Margin 15.1% to 15.5% Adj. Margin Growth +20 bps to +60 bps Free Cash Flow Seasonally slower FX - Euro / $ WWATTSⓇ OTHER KEY FULL YEAR INPUTS ITEM Total 14.5% to 14.9% [Prior 14.3% to 14.7%] Corporate Costs Interest +20 bps to +60 bps [Prior Flat to 40 bps] 90% of Net Income [Prior Same] 1.10 VPY (-8%) Sales ($13M); EPS ($0.05) V Prior Guide Sales ($3M); EPS ($0.01) 1.10 VPY (-7%) Sales ($39M); EPS ($0.14) V Prior Guide Sales ($13M); EPS ($0.05) See Appendix for reconciliation of non-GAAP measures to their corresponding GAAP measures * As of May 4, 2022 May 5, 2022 © 2022 Watts Water Technologies, Inc. EXPECTATION ~$48M ~$7M Expense Adjusted Effective Tax Rate -25% CAPEX/D&A ~$45M/$45M Share Count ~34M shares 20

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