Investors 2021 ANNUAL GENERAL AND SPECIAL MEETING Thursday, May 13, 2021 3:00 p.m. MDT Click here to watch a recording of the 2021 AGM. 2021 2020 2019 2018 2021 Notice of Record and Meeting Dates 2021 Notice of Meeting 2021 Notice and Access Notification 2021 Management Information Circular 2021 Form of Proxy 2021 TSX Trust Virtual AGM Guide 2021 Annual General Meeting Voting Results NOTICE AND ACCESS We use notice and access which allows us to deliver our management information circular to registered shareholders by posting it and other related materials online, instead of mailing the documents. Since notice and access reduces printing, paper and postage, it is an environmentally friendly and cost effective way to distribute the meeting materials to shareholders. Once filed on our SEDAR profile and available on our website, you can access the 2021 management information circular, annual consolidated financial statements for the year ended December 31, 2020 along with related management’s discussion and analysis, and other meeting materials by clicking on the links above and visiting the Reports, Presentations & Key Dates page. The 2020 management information circular, annual consolidated financial statements for the year ended December 31, 2019 are currently available. Shareholders who would like a paper copy of the management information circular and/or financial statements can request one by following the instructions on the Notice and Access notification received in the mail. INVESTOR CONTACT INFORMATION For investor related inquiries, visit Why Invest in STEP. Head Office Bow Valley Square II 1200, 205 - 5th Ave SW Calgary, AB T2P 2V7 Main: 403-457-1772 USA: View Office Listings Canada: View Office Listings Client Links Field Sample Forms Fieldview Login Onehub Employee Links STEP Intranet Email Login LMS EHS Insights Replicon Privacy Website by mediadog

Financial Reports 2021 2020 2019 2018 2017 2021 MD&A Financials News Release Webcast AIF Third Quarter Q3 MD&A Q3 Financials Q3 News Release N/A Second Quarter Q2 MD&A Q2 Financials Q2 News Release N/A First Quarter Q1 MD&A Q1 Financials Q1 News Release N/A NOV 3 Third Quarter 2021 Results Q3 2021 Investor Relations Presentation May 2021 Annual General Meeting Head Office Bow Valley Square II 1200, 205 - 5th Ave SW Calgary, AB T2P 2V7 Main: 403-457-1772 USA: View Office Listings Canada: View Office Listings Client Links Field Sample Forms Fieldview Login Onehub Employee Links STEP Intranet Email Login LMS EHS Insights Replicon Privacy Website by mediadog