Summit Materials, Inc. (NYSE:SUM) Files An 8-K Other Events

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Summit Materials, Inc. (NYSE:SUM) Files An 8-K Other Events

Item 8.01. Other Events.

On November16, 2016, certain selling stockholders (the Selling
Stockholders) of Summit Materials,Inc. (the Company) completed an
underwritten public offering of 16,614,949 shares (the Shares) of
ClassA common stock, par value $0.01 per share, of the Company at
a public offering price of $22.10 per share to an underwriting
agreement, dated November9, 2016 (the Underwriting Agreement),
among the Company, Summit Materials Holdings L.P., the Selling
Stockholders named in Schedule IV thereto and Barclays Capital
Inc. The Company did not receive any proceeds from the sale of
the Shares by the Selling Stockholders.

A copy of the Underwriting Agreement is filed as Exhibit99.1
hereto and is incorporated herein by reference.

Item 9.01. Financial Statements and
Exhibits.

(d)Exhibits.

99.1

Underwriting Agreement, dated November9, 2016, among Summit
Materials,Inc., Summit Materials Holdings L.P., the selling
stockholders named in Schedule IV thereto and Barclays
Capital Inc.



About Summit Materials, Inc. (NYSE:SUM)

Summit Materials, Inc. is a construction materials company. The Company operates through three segments: the west segment, which includes operations in Texas, the Mountain states of Utah, Colorado, Idaho and Wyoming, and in British Columbia, Canada; east segment, which serves markets across the Midwestern and Eastern United States, and Cement segment, which consists of its Hannibal, Missouri and Davenport, Iowa cement plants and approximately eight distribution terminals along the Mississippi River from Minnesota to Louisiana. It supplies aggregates, ready-mixed concrete, asphalt paving mix and paving and related services in the West segment, and aggregates, ready-mixed concrete, asphalt paving mix and paving and related services in east segment. The Company has operations in approximately 20 states in the United States and in British Columbia, Canada. The Company serves markets, including residential construction, nonresidential construction and public infrastructure construction.

Summit Materials, Inc. (NYSE:SUM) Recent Trading Information

Summit Materials, Inc. (NYSE:SUM) closed its last trading session down -0.50 at 23.94 with – shares trading hands.