Summit Materials Announces Sale of Grand Junction Pipe & Supply to Ferguson Waterworks

DENVER–(BUSINESS WIRE)–Summit Materials, Inc. (NYSE: SUM), a leading vertically integrated
construction materials company, today announced the sale of Grand
Junction Pipe & Supply (GJP) to Ferguson Waterworks, the largest company
in the waterworks industry.

GJP supplies irrigation and utility water pipe, valve fittings and
accessory items to local utility districts, contractors, golf courses
and the agricultural sector on the western slope of Colorado. GJP was
part of Summit’s earlier acquisition of an aggregates-based business in
Grand Junction, Colorado. Summit subsequently expanded its business on
Colorado’s western slope through the acquisition of Peak Materials in
2017. This divestment of the non-core GJP operation reflects Summit’s
continued focus on its materials-based growth strategy.

About Summit Materials

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
nonresidential, and 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.

Contacts

Summit Materials, Inc.
Mr. Brian Harris
Executive Vice
President, Chief Financial Officer
brian.harris@summit-materials.com