Growing Organically Through Innovation and Commercial Excellence

Q4 AND FULL YEAR 2023 OUTLOOK* Q4 2023 Organic Growth -6% to -1% Acquired sales ~$9M Enware; ~$30M Bradley Full Year 2023 Flat [Prior -2% to +2%] Acquired sales ~$26M Enware; ~$30M Bradley Corporate Costs WWATTSⓇ Other Key Full Year Inputs ~$54M Adj Op Margin Adj Margin Growth 15.0% to 15.6% +70 bps to +130 bps Acquired dilution ~10bps Enware; ~80bps Bradley Total 17.6% to 17.7% [Prior 16.7% to 17.3%] +120 bps to +130 bps [Prior +30 bps to +90 bps] Acquired dilution ~20bps Enware; ~20bps Bradley Includes $22M of incremental investments Net Interest Expense ~$2M Bradley acquisition interest ~$3M Effective Tax Rate -25% Free Cash Flow Seasonally Strong ≥ 100% of Net Income [Prior Same] CAPEX/ D&A ~$35M/$45M Bradley acquisition D&A ~$2M to ~$3M FX Euro / $ 1.06 1.08 Share Sales (+$6M); EPS (~+$0.02) Sales (+$8M); EPS (~+$0.03) Count See Appendix for reconciliation of non-GAAP measures to their corresponding GAAP measures *As of November 1, 2023 ~33.5M Shares WTS Investor Presentation | 18

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