Annual Reports


Click the link to the right to download: Adobe Acrobat

2022 Annual Meeting Information

Event: Summit Materials, Inc. 2022 Annual Meeting of Stockholders
Date: Wednesday, May 18, 2022
Time: 8:00 AM CDT
Rules and Agenda: Click here

Additional Information:

The Summit Materials 2022 Annual Meeting of Stockholders will be a hybrid meeting, conducted via live audio webcast on the Internet and at the Post Oak Hotel at Uptown Houston, 1600 West Loop South, Houston, TX 77027.

You will be able to attend the Annual Meeting as well as vote and submit your questions during the live audio webcast of the meeting by visiting and entering the control number included in our notice of internet availability of the proxy materials. Online registration will begin 15 minutes before the Annual Meeting. If you encounter any difficulties accessing the virtual web conference of the Annual Meeting, please call the numbers listed on the login page. Technical support will be available beginning 15 minutes before the start of the meeting and through the conclusion of the Annual Meeting.

You may also vote in person at the Annual Meeting. To gain admission to the Annual Meeting, you will need to show that you are a stockholder of Summit Materials, Inc. All stockholders will be required to show valid, government-issued, picture identification. If your shares are registered in your name, your name will be compared to the list of registered stockholders to verify your share ownership. If your shares are in the name of your broker or bank, you will need to bring evidence of your share ownership, such as your most recent brokerage account statement or a legal proxy from your broker. If you do not have valid picture identification and proof that you own stock, you will not be admitted to the Annual Meeting. All packages and bags are subject to inspection. Please note that the registration desk will open at 7:30 a.m. Please arrive in advance of the start of the meeting to allow time for identity verification.

To access the proxy materials, please visit