Investor Presentation December 2021

. Progressing on our environmental commitment Committed to being a carbon neutral company by midcentury - 85% of goal reached via pipeline upgrades RNG and other offsets being evaluated for the remainder Achieved 43% reduction in methane emissions in 2020, up from 39% in 2019 - Joined ONE Future – gas industry coalition focused on management of methane emissions • Became a founding limited partner in Energy Capital Ventures - Focused on sustainability, reliability and resilience in the natural gas utility sector Spire co-invested in the fund along with several peer companies 23 Spire Investor presentation December 2021 -

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