AltaGas Value Proposition

Commercial De-risking will Drive Long-term Value AltaGas Midstream AltaGas Utilities Notes: *See "Forward-looking Information" AltaGas ■ Medium-term Global Exports tolling target of 60%+ Active and systematic hedging for residual commodity exposure ■ Focus on take-or-pay and fee-for-service contracting Customer and resource play diversification ◉ Long-term cost contracting (Five-year CN agreement, VLGC time charters, etc.) ◉ ■ Utilize ARP modernization programs to upgrade assets and improve safety and reliability (provides an appropriate immediate return on investments through rate riders) ◉ Remain active and persistent on rate cases to minimize regulatory lag Pursuing weather and usage normalization across jurisdictions (currently in place in Virginia and Maryland) Advocating for prescribed timelines in D.C. Acute Focus on Reducing Risk Through Commercial Frameworks 13

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