 Summit Materials, Inc. NYSE:SUM Q1 2022 Results Conference Call May 5, 2022 11:00 AM ET Company Participants Karli Anderson - EVP, Chief Environmental, Social Governance Officer and Head of IR Anne Noonan - President, CEO Director Brian Harris - EVP CFO Conference Call Participants Stanley Elliott - Stifel Trey Grooms - Stephens Garik Shmois - Loop Capital Collin Verron - Jefferies Asher Sohnen - Citigroup Timna Tanners - Wolfe research Brent Thielman - D.A. Davidson Jerry Revich - Goldman Sachs Adam Thalhimer - Thompson Davis Kathryn Thompson - Thompson Research Group Operator Good morning. 