Compounding Long-term Dividends at 5-7% CAGR

Midstream Strategic Focus 1 Leverage and Optimize Existing Assets 2 Focus on growing EBITDA through no- to low-capex investments ☐ 3 De-risk Operations Framework Strengthen the Midstream Value Chain 4 Evaluate Growth Opportunities Increased take- or-pay and tolling agreements Systematic hedging De-risk costs and supply chain Stakeholder engagement Strengthen footprint across the value chain - G&P, frac, extraction, and liquids handling Greater NGL control Increase customer and geographic diversification ■ Allocate capital to the strongest risk- adjusted return projects Notes: *See "Forward-looking Information" AltaGas Asset Optimization and Selective Capital Deployment = Value Creation AltaGas AraGas 49

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