Underwriting AgreementUnderwriting Agreement • January 10th, 2017 • Summit Materials, Inc. • Mining & quarrying of nonmetallic minerals (no fuels) • New York
Summit Materials, Inc., a Delaware corporation (the “Company”), proposes, subject to the terms and conditions stated herein, to issue and sell to the several Underwriters named in Schedule I hereto (the “Underwriters”), for whom you are acting as representatives (the “Representatives”), an aggregate of 10,000,000 shares Class A common stock, par value $0.01 per share, of the Company (the “Class A Stock”). In addition, the Company proposes to issue and sell, at the option of the Underwriters, up to an additional 1,500,000 shares of Class A Stock of the Company. The aggregate of 10,000,000 shares of Class A Stock to be sold by the Company are herein called the “Firm Shares” and the aggregate of up to 1,500,000 additional shares of Class A Stock to be sold by the Company are herein called the “Optional Shares.” The Firm Shares and the Optional Shares that the Underwriters elect to purchase pursuant to Section 2 hereof are herein collectively called the “Shares.” The respective amounts of
