Investor Presentation December 2021

Guidance Financing plan reflects Benefit of FY21 earnings and significant improvement in credit metrics Offset by headwinds over next ~12 mos. as we work through MO rate order Spire MO issued $300M in 3-year floating rate bonds on Dec. 1 Common stock dividend increased 5.4% to $2.742 per share - - - 19 consecutive years of dividend increases - 77 years of continuous payment Supported by long-term earnings growth and a reasonable payout ratio Financing forecast¹ (Millions) $400 $300-400 $300-400 $100-150 $175 $50-100 $25-75 $25-75 FY21 actual FY22 FY23 FY24 ■Common and hybrid equity Operating company long-term debt Common stock dividend per share (Annualized) $2.74² $2.60 $2.49 $2.37 $2.25 $2.10 ¹Debt issuance net of maturities 2Quarterly dividend of $0.685 per share beginning with January 4, 2022, payment 13 Spire | Investor presentation - December 2021 2017 2018 2019 2020 2021 2022

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