Investor Presentaiton

AltaGas' Key Focus Areas Greenhouse Gas Emissions* Total Recordable Injury Frequency 4 1.50 3 SAFETY AND 1.00 2 ENVIRONMENT 0.50 1 0.00 0 2013 2014 2015 2016 2013 2014 2015 2016 PEOPLE ■Million tonnes of CO2 equivalent *Gas Division SOCIAL RESPONSIBILITY BUSINESS EXCELLENCE M GROWTH AltaGas See "forward-looking information" CDP Scores 2017 AltaGas Ltd. B Industry Average C Sector Average Canada Average Total Average Alberta's TOP 70 EMPLOYERS 2018 ROBECOSAM Sustainability Award Bronze Class 2017 EMPLOYERS TOP E CANADA'S 2017 FOR YOUNG PEOPLE 31

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