Summit Materials Announces Pricing of Initial Public Offering of Class A Common Stock

ImageMarch 11, 2015 – Summit Materials (the “Company” or “Summit Materials”) announced today the pricing of its initial public offering of 22,222,222 shares of its Class A common stock at a price to the public of $18.00 per share. Summit Materials has granted the underwriters a 30-day option to purchase up to an additional 3,333,333 shares of Class A common stock. The shares are expected to begin trading on the New York Stock Exchange on March 12, 2015 under the ticker symbol "SUM." The offering is expected to close on March 17, 2015, subject to customary closing conditions.

Summit Materials intends to use the net proceeds from the offering primarily to, among other things, repay certain indebtedness.

Citigroup, Goldman, Sachs & Co., BofA Merrill Lynch, Barclays, Deutsche Bank Securities and RBC Capital Markets are acting as joint bookrunners of the offering. BB&T Capital Markets, Stephens Inc., Sterne Agee and Stifel are acting as co-managers. The offering of these securities is being made only by means of a prospectus.

A registration statement, relating to these securities was filed with, and declared effective by, the Securities and Exchange Commission. This press release shall not constitute an offer to sell or the solicitation of an offer to buy, nor shall there be any sale of these securities in any state or jurisdiction in which such offer, solicitation or sale would be unlawful prior to registration or qualification under the securities laws of any such state or jurisdiction.

About Summit Materials

Summit Materials is a leading vertically integrated construction materials company that supplies aggregates, cement, ready-mix concrete and asphalt in the United States and western Canada. Summit Materials is a geographically diverse, aggregates-based business of scale that offers customers a single-source provider of construction materials and related downstream products in the residential, nonresidential, and public infrastructure end markets. Summit Materials has completed more than 30 acquisitions since its founding and continues to pursue growth opportunities in new and existing markets.

Forward‐Looking Statements and Information:

This press release contains forward-looking statements within the meaning of the federal securities laws. Forward-looking statements relate to expectations, beliefs, projections, future plans and strategies, anticipated events or trends and similar expressions concerning matters that are not historical facts. In some cases, forward-looking statements may be identified by the use of words such as “may,” “will,” “should,” “anticipate,” “believe,” “expect,” “intend,” “estimate,” “plan,” “outlook” and “project” and other similar expressions that predict or indicate future events or trends or that are not statements of solely historical matters. These forward-looking statements include, but are not limited to, any statements regarding the commencement of trading of Company’s Class A common stock on the New York Stock Exchange. You should not place undue reliance on these statements because they are subject to numerous uncertainties and factors relating to the Company’s operations and business environment, all of which are difficult to predict and many of which are beyond the Company’s control. Forward-looking statements are based on information available at the time those statements are made and/or management’s reasonable belief as of that time with respect to future events, and are subject to risks and uncertainties that could cause actual performance or results to differ materially from those expressed in or suggested by the forward looking statements.

The Company does not intend, and disclaims any obligation, to publicly update or revise any forward-looking statements after the date hereof to reflect changes in underlying assumptions or factors, new information, data or methods, future events or other changes, except as required by law.


Summit Materials
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