AltaGas Value Proposition

ESG Goals and Performance Governance 91% Independent Directors Average Tenure N8 years 46% <5 years 36% 5-10 years 18% >10 years Average Age ~65 27% <60 years 27% Environment UTILITIES ENERGY EVOLUTION 2030 Goal ≥30%+ Scope 1 & 2 GHG emissions (WGL) 2022 2030 Goal ≥10% of fuel delivered from lower-carbon sources (WGL) Social DIVERSITY & INCLUSION 2030 Management Goal 40% (Female) 2022 20%1 (Under-Represented) 2022 60-65 years 2008 46% >65 years 20% 2030 Target Reduction 29% 17% D: BOARD Diversity Goal 50% (Female and ethnic/racial) by 2025 Notes: *See "Forward-looking Information" AltaGas 50% Achieved 64% MIDSTREAM ENERGY EVOLUTION 2030 Goal 40%+ Scope 1 & 2 GHG emissions intensity 2022 2026 Goal 15%+ Scope 1 GHG emissions (Harmattan) 2022 SAFETY TRIF Goal 1.20 PMVIR Goal 1.30 1.99 1.54 1.30 1.20 2019 10% 2030 Target 2019 10% 2026 Target 2022 2026 2022 Reduction Target 2026 Target Reduction Continuous Progress Focus Areas 15

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