Exhibit 99.1 Investor Contact: Megan L. McPhail 314-309-6563 Megan.McPhail@SpireEnergy.com Media Contact: Jason Merrill 314-342-3300 Jason.Merrill@SpireEnergy.com For Immediate Release Spire Reports FY24 Second Quarter Results ST. LOUIS (May 1, 2024) - Spire Inc. (NYSE: SR) today reported results for its fiscal 2024 second quarter ended March 31. Highlights include: • Net income of $204.3 million ($3.58 per share) compared to $179.2 million ($3.33 per share) a year ago • Net economic earnings* (NEE) of $196 ...