DENVER, Oct. 10, 2023 /PRNewswire/ -- Summit Materials, Inc. (NYSE: SUM, "Summit" or the "Company"), a leading vertically integrated construction materials company, today announced that Anne Noonan, Summit's President and CEO, and Scott Anderson, Summit's Executive Vice President and CFO, will discuss the combination with Argos USA with covering analyst, Trey Grooms, from Stephens. The discussion will take place during a fireside chat at 8:00 a.m. eastern time (6:00 a.m. mountain time) on Thursday, October 19, 2023.

The conversation will highlight the strategic and financial merits of the combination, address priority investor questions, and provide any relevant status updates since the announcement.

The fireside chat can be accessed live via the Summit's website at investors.summit-materials.com or at the following link: https://stephens.zoom.us/j/96562683354 

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.

Contact Information
Andy Larkin
VP, Investor Relations
Summit Materials, Inc.
andy.larkin@summit-materials.com
720-618-6013

Additional Information and Where to Find It

This communication does not constitute an offer to buy or sell or the solicitation of an offer to buy or sell any securities.  This communication relates to the proposed transaction between Summit Materials, Inc. (the "Company"), Cementos Argos S/A and certain other parties for the purchase of Argos North America, Corp. (the "Transaction").  In connection with the Transaction, the Company plans to file with the SEC a proxy statement on Schedule 14A (the "Proxy Statement").  This communication is not a substitute for the Proxy Statement or any other document that the Company may file with the SEC and send to its shareholders in connection with the Transaction.  The issuance of the stock consideration for the Transaction will be submitted to the Company's shareholders for their consideration.  Before making any voting decision, the Company's shareholders are urged to read all relevant documents filed or to be filed with the SEC, including the Proxy Statement, as well as any amendments or supplements to those documents, when they become available, because they will contain important information about the Company and the Transaction.

The Company's shareholders will be able to obtain a free copy of the Proxy Statement, as well as other filings containing information about the Company, free of charge, at the SEC's website (www.sec.gov).  Copies of the Proxy Statement and other documents filed by the Company with the SEC may be obtained, without charge, by contacting the Company through its website at https://investors.summit-materials.com/.

Participants in the Solicitation

The Company, its directors, executive officers and other persons related to the Company may be deemed to be participants in the solicitation of proxies from the Company's shareholders in connection with the Transaction.  Information about the directors and executive officers of the Company and their ownership of common stock of the Company is set forth in the Company's annual report on Form 10-K for the fiscal year ended December 31, 2022, which was filed with the SEC on February 16, 2023 and in its proxy statement for its 2023 annual meeting of stockholders, which was filed with the SEC on April 10, 2023.  Additional information regarding the participants in the proxy solicitation and a description of their direct and indirect interests, by security holdings or otherwise, will be included in the Proxy Statement and other relevant materials to be filed with the SEC in connection with the Transaction when they become available.  Free copies of these documents may be obtained as described in the preceding paragraph.

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SOURCE Summit Materials, Inc.