Investor Presentaiton

Attractive Platform for Growth Through 2021 ~C$6 billion of identified capital investment opportunities Energy Storage Canadian Midstream Montney Large Scale Power Development 102 U.S. Midstream Marcellus / Utica Footprint Canadian Utilities System Betterment and Customer Growth Distributed Generation $4.5 billion + $1.5 billion Secured growth Advanced growth opportunities U.S. Utilities System Betterment and Customer Growth AltaGas Expectations as at August 1, 2018 See "forward-looking information 7

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