Exhibit 99.1 News Release Pentair Reports Strong First Quarter 2024 Results • Sales of $1.0 billion • Operating income of$181 million reflecting ROS of 17.8 percent, flat to prior year; on an adjusted basis, ROS expanded 90 basis points to 21.4 percent • GAAP EPS of $0.80 and adjusted EPS of$0.94 • The company updates its full year 2024 GAAP EPS guidance to approximately $3.76 to$3.86 and reiterates EPS guidance on an adjusted basis of approximately $4.15 to$4.25 Reconciliations of GAAP to Non-GAAP meas ...