BREADCRUMB Home Invest Events & Presentations EVENTS & PRESENTATIONS 2021 Date Title Webcast Transcript Presentation October 28 Q3 2021 Conference Call Watch PDF PDF July 29 Q2 2021 Conference Call Watch PDF PDF April 30 2021 Annual Meeting of Shareholders Watch April 29 Q1 2021 Conference Call Watch PDF PDF March 3 March Investor Presentation PDF February 26 Q4 and Full Year 2020 Conference Call Watch PDF PDF February 3 February Investor Presentation PDF January 13 January Investor Presentation PDF 2020 Date Title Webcast Transcript Presentation December 10 2021 Guidance and Strategic Plan PDF October 29 Q3 2020 Conference Call Watch PDF PDF October 29 October Investor Presentation PDF October 16 AltaGas Conference Call Watch PDF July 30 Q2 2020 Conference Call Watch PDF PDF June 15 June Investor Presentation PDF May 1 2020 Annual Meeting of Shareholders Watch PDF April 30 Q1 2020 Conference Call Watch PDF PDF April 1 April Investor Presentation PDF February 28 Q4 and Full Year 2019 Conference Call Watch PDF January 13 TD London Energy Conference PDF 2019 Date Title Webcast Transcript Presentation December 17 2020 Guidance and Strategic Plan PDF Pagination Current page 1 Page 2 Page 3 Page 4 Next page MAIN NAVIGATION FOR SIDEBAR Events & Presentations Why Invest Financials Share Information Investor Contact ALA 25.54 0.85 Open: 24.67 High: 25.6 Low: 24.67 52 Week High: 26.94 Low: 18.05 FOOTER MENU Vendors Contact Legal Sitemap 24 Hour Toll-free Emergency Number: 1.866.826.3830 Pipeline Damage Prevention: Call Before You Dig. 2021 AltaGas Ltd. All Rights Reserved

BREADCRUMB Home Invest Investor Contact INVESTOR CONTACT General Information AltaGas Ltd. Investor Relations 1700, 355 4 Avenue SW Calgary, Alberta T2P 0J1 Telephone: 403.691.7100 Toll-free: 1.877.691.7199 Investor.relations@altagas.ca Trustee, Registrar and Transfer Agent Computershare Trust Company of Canada Suite 600, 530 8 Avenue SW Calgary, Alberta T2P 3S8 Shareholder Communications: 1.800.564.6253 ESG Inquiries Telephone: 403.691.7100 Toll-free: 1.877.691.7199 ESG@altagas.ca MAIN NAVIGATION FOR SIDEBAR Events & Presentations Why Invest Financials Share Information Investor Contact ALA 25.54 0.85 Open: 24.67 High: 25.6 Low: 24.67 52 Week High: 26.94 Low: 18.05 FOOTER MENU Vendors Contact Legal Sitemap 24 Hour Toll-free Emergency Number: 1.866.826.3830 Pipeline Damage Prevention: Call Before You Dig. 2021 AltaGas Ltd. All Rights Reserved