Investor Presentation December 2021

Our commitment to Corporate Social Responsibility (CSR) • • Environment Ongoing investment in pipeline upgrades and system integrity Achieving 43% reduction in methane emissions since 2005 and targeting 57% reduction by 2025 Committing to being a carbon-neutral company by midcentury • Driving energy • efficiency programs Managing resources responsibly (water usage, waste streams) Communities • Supporting our communities through financial contributions and volunteering • Focusing on health and human services, community develop- ment, education, environment and disaster relief • Growing our communities through economic development • Building tomorrow's workforce via education and training • People Inspiring future leaders via training, career development and educational opportunities • Driving improved employee health and well-being through training and enhanced safety protocols . • Increasing employee engagement and driving a strong, supportive and inclusive corporate culture Leadership • Experienced manage- ment with deep bench ⚫ Robust governance and . risk oversight culture • Strong, independent and diverse Board with significant relevant experience and backgrounds Average tenure 10 years 8 of 9 members are independent including Chairman Significant racial/ ethnic and gender diversity 22 Spire | Investor presentation December 2021 S

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