Summit Materials Announces Fourth Quarter and Full Year 2020 Results Conference Call Date and Virtual Investor Event Date

DENVER--(BUSINESS WIRE)--Summit Materials, Inc. (NYSE: SUM, “Summit” or the “Company”), a leading vertically integrated construction materials company, today announced that it will release fourth quarter and full year 2020 financial results after the market closes on Tuesday, February 23, 2021, which is a day earlier than previously announced. A conference call will be held on Wednesday, February 24, 2021 at 11:00 a.m. eastern time (9:00 a.m. mountain time) to review Summit’s financial results, discuss recent events and conduct a question-and-answer session, which is a day earlier than previously announced. The Company adjusted its previously announced earnings call timing to avoid conflicts with another industry event.

The Company also announced that it plans to hold a virtual investor event to discuss its strategic outlook on Tuesday, March 16, 2021, at 11:00 a.m. mountain time (1:00 p.m. eastern time).

A webcast of the fourth quarter and full year 2020 results conference call and accompanying presentation materials will be available in the Investors section of Summit’s website at investors.summit-materials.com. To listen to a live broadcast, go to the site at least 15 minutes prior to the scheduled start time in order to register, download, and install any necessary audio software.

To participate in the live teleconference for fourth quarter and full year 2020 financial results:
Domestic Live:	1-877-823-8690
International Live:	1-825-312-2236
Conference ID:	1994474
Password:	Summit
To listen to a replay of the teleconference, which will be available through March 3, 2021:
Domestic Replay:	1-800-585-8367
International Replay:	1-416-621-4642
Conference ID:	1994474

The Company will announce participation details for its March 16, 2021 virtual investor event to discuss its strategic outlook at a later date.

About Summit Materials, Inc.

Summit Materials is a leading vertically integrated materials-based company that supplies aggregates, cement, ready-mix concrete and asphalt in the United States and British Columbia, Canada. Summit is a geographically diverse, materials-based business of scale that offers customers a single-source provider of construction materials and related downstream products in the public infrastructure, residential and non-residential end markets. Summit has a strong track record of successful acquisitions since its founding and continues to pursue growth opportunities in new and existing markets. For more information about Summit Materials, please visit www.summit-materials.com.