Oldcastle, Inc. is the North American arm of CRH, plc, one of the world’s leading building
products and materials companies based in Dublin, Ireland. Oldcastle operations include more
than 1900 locations in 50 states and 4 Canadian provinces. Oldcastle has 35,000 employees.

Oldcastle, Inc. is comprised of four product groups

Oldcastle Materials is the leading supplier of aggregates, asphalt, ready mix concrete and
construction and paving services in the United States. Oldcastle Building Products is the leading
North American manufacturer of concrete masonry, precast, lawn, garden and paving products
and a regional leader in clay brick. Oldcastle BuildingEnvelope™ is the leading supplier of
building envelope solutions, including curtain wall, architectural windows, storefronts, skylights,
entrance doors and architectural glass. Oldcastle Distribution is a leading national distributor of
roofing, siding, window and interior products for specialty contractors in the construction and
remodeling industries.