Investor Presentation December 2021

Investing in growth FY21 capex totaled $625M Driven by gas utility investment • $307M - pipeline infrastructure upgrades $138M-new business, up $41M YOY, 6th year in a row of increased spend - Increased investment in technology and innovation (including ultrasonic meters) Lifting our 5-year capex plan to $3.1B Driven by utility pipeline and new business spend - - Supported by long-term upgrade programs and high recoverability Drives rate base growth of 7-8% 11 Spire Investor presentation December 2021 - Capital expenditures (Millions) $638 $625 548 591 FY20 Gas Utility FY21 Pipelines, storage and other FY22-FY26 forecast: $3.1B $700 $660 $620 $640 $570 $590 $300 FY22 FY23 FY24 FY25 FY26 S

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