Dividend Growth and Regulatory Update

SJW Group Key Investment Highlights Growth Capital and Customers Geographic and Regulatory Diversity Commitment to ESG Strong Dividend Track Record • • • Robust 5-year capital investment plan of $1.3B in water/wastewater infrastructure, subject to regulatory approval Texas operation more than tripled in size between 2006 and 2021 Closed on Kendall West and Bandera East utilities in 4Q 2021, and Texas Country Water in 1Q 2022 Regulatory lag is minimized by forward test year in CA and infrastructure replacement surcharge mechanisms in CT, ME and TX Going forward, will attempt to stagger rate filings for SJW's large utilities and target filings every 3-4 years Weather diversity Reducing carbon emissions - Science-based target to reduce Scope 1 and 2 carbon emissions 50% by 2030 Fostering environmental stewardship - 100% environmental compliance and 15% non-revenue water target Leading ISS ESG ratings — ISS Environmental (5), Social (3), Governance (1) - • Supporting supplier responsibility - Adopted vendor code of conduct, recognized excellence in supplier diversity, and committed to Diversity, Equity and Inclusion Industry-leading dividend growth, exceeding 10% over the past 5 years 78 consecutive years paying a dividend Increased 54 consecutive years 5

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