Summit Materials Announces Acquisition of Alleyton Resource

  Summit Materials Announces Acquisition of Alleyton Resource

Business Wire

DENVER -- January 23, 2014

Summit Materials (“Summit”) is pleased to announce the completion of its
acquisition of Alleyton Resource and its affiliate Colorado Gulf
(collectively, “Alleyton”), an integrated aggregates and ready-mix concrete
company based in Houston, Texas. Alleyton operates five sand & gravel sites
and has seven ready-mix concrete plants in the west Houston metropolitan area.
Alleyton’s ready-mix concrete business, Allied Concrete, is one of the leading
ready-mix concrete suppliers in Houston. Alleyton’s existing management team
will remain in place and continue to develop and grow the business as part of
the Summit group of companies.

Summit CEO, Tom Hill, commented, “We are pleased to welcome Alleyton’s
management team and its highly skilled and dedicated employees to Summit.
Alleyton is a great fit with Summit’s growth strategy and we are excited about
expanding our footprint in Texas into the Houston market.”

Alleyton President, Todd Barten, noted, “Alleyton is very excited to join
Summit. We look forward to jointly growing our business and continuing to
provide superior products, quality and service to our many valued customers.”

About Summit Materials

Summit Materials was formed in 2009 to develop a leading business in the
aggregates and heavy-side building materials sector through strategic
acquisitions. Summit Materials was founded by its CEO Tom Hill and a group of
investors that include members of its management team, Blackstone Capital
Partners V L.P., and Silverhawk Capital Partners. Tom Hill is the former CEO
of Oldcastle Inc., the U.S. division of CRH, Plc. To date Summit Materials has
completed over 25 acquisitions, and through its three regions, East, Central,
and West, it conducts operations in Kentucky, Tennessee, Virginia, Kansas,
Missouri, Illinois, Iowa, Utah, Wyoming, Colorado, Texas, Arkansas, Oklahoma,
and Idaho. Further information is available at

About Blackstone

Blackstone is one of the world’s leading investment and advisory firms. We
seek to create positive economic impact and long-term value for our investors,
the companies we invest in, the companies we advise and the broader global
economy. We do this through the commitment of our extraordinary people and
flexible capital. Our asset management businesses include investment vehicles
focused on private equity, real estate, hedge fund solutions, non-investment
grade credit, secondary funds, and multi asset class exposures falling outside
of other funds’ mandates. Blackstone also provides various financial advisory
services, including financial and strategic advisory, restructuring and
reorganization advisory and fund placement services. Further information is
available at Follow Blackstone on Twitter @Blackstone.

About Silverhawk Capital Partners

Silverhawk is an independent investment group established in 2005 to invest in
management buyouts and other private equity transactions in the Industrial,
Energy/Natural Resources and Business Service sectors. The partners of
Silverhawk have invested as a team and operated businesses since 1989. Further
information is available at


Summit Materials
Brian Harris, 303-515-5165
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