On February 10, 2025, pursuant to the Agreement and Plan of Merger (the “ Merger Agreement”), dated as of November 24, 2024, among Summit Materials, Inc., a Delaware corporation (the “ Company” or “ Summit”), Quikrete Holdings, Inc., a Delaware corporation (“ Subsidiary, Inc., a Delaware corporation and a wholly owned subsidiary of Purchaser (“ Purchaser” or “ Parent”), and Soar Merger Sub”), Merger Sub merged with and into the Company (the “ Merger”), with the Company surviving the Merger as a wholly owned subsidiary of Purchaser.