Aggregate Industries US Announces Closing Of Asset Purchase Agreement With Ennstone, Inc.

Rockville, MD, November 1, 2011 - Aggregate Industries US (AIUS) (www.aggregate-us.com), a member of the Holcim Group (www.holcim.com), announced today the closing of the asset purchase agreement entered into between the Company and Ennstone, Inc.

"The closing of this transaction is a good fit strategically for Aggregate Industries," said Bernard Terver, president and chief executive officer of Aggregate Industries US. "In particular, Aggregate Industries’ Mid-Atlantic business, and will maximize value for our stakeholders - employees, customers, and shareholders alike. In addition, this transaction will enable Aggregate Industries to strengthen its presence in the region."

Ennstone, Inc. is a vertically integrated construction materials company headquartered in Falmouth, Virginia with ready mix, sand and gravel and limestone operations serving commercial, residential, and industrial projects, as well as individual homeowners.

Phoenix Capital Resources advised Ennstone on this transaction.

About Aggregate Industries US
Aggregate Industries US is a leading provider of aggregate and construction materials to markets in 16 states and 300 cities. The Company operates four regional businesses across the US, including the Midwest Region that serves Michigan, Indiana, and Illinois markets.