Investor Presentation December 2021

Stepping forward Rising above challenges to deliver solid operating and financial results - Narrower Q4 loss, higher FY21 earnings Improved safety, system integrity and sustainability performance Working to ensure Spire STL Pipeline continues to serve customers 1 - FERC issued new temporary certificate on Dec. 3, without conditions Extends operations through remand Seeking reconsideration and resolution of unprecedented MO rate case order • Increased 5-year capex plan to $3.1B • Launched FY22 earnings guidance of $3.70 $4.00 per share - spire 3 Spire | Investor presentation December 2021 - S

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