Investor Presentation June 2021

Equity Units detail Equity Units offered Stated amount per unit February 2021 3,500,000 $50.00 ($ Millions) Aggregate offering amount $175.0 Net proceeds $169.3 March 2024 Interest rate on notes Contract adjustment payment rate Reference price Threshold appreciation price The prospectus can be found on our website under Filings and Reports/SEC Filings (Form 424B2) at www.investors.SpireEnergy.com - 37 Spire Investor presentation June 2021 Pricing February 1 Settlements Week of February 15 Purchase contract settlement March 1 0.75% 6.75% $64.24 March Note maturity March 1 $78.69 2026

View entire presentation