Investor Presentation June 2021

Operational resilience during Feb. cold weather event • Our Missouri utilities met customer demand Operational resilience reflects infrastructure upgrade investments We were well-positioned with robust supply, transportation and storage STL Pipeline was an important supply resource for eastern Missouri Net gas costs expected to be ~$110M Costs tracked and recovered via PGA Spire MO arranged $250M term loan to maintain financial flexibility 4 Spire | Investor presentation June 2021 -

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