Sound Wall Press Release

Smith-Midland Corporation, Excellence in Precast
Concrete

February 14, 2007

Maryland Transportation Authority project to feature Smith-Midland^® Sound Wall

MIDLAND, Va. – Smith-Midland^® Corp. announces increased involvement in a major Maryland Transportation Authority (MdTA) project at the I-95/I-695 interchange near Baltimore.

Smith-Midland^® will provide 215,000 square feet of precast concrete sound wall to insulate the highway noise from nearby residential areas, a contract worth approximately $3.2 million.
The project will construct express toll lanes, to be known as “hot lanes,” to facilitate traffic movement at the I-95/I-695 interchange. The total cost of the project, which is a Wagman/Corman/McLean joint venture, is estimated to be more than $200 million.

The concrete panels will feature a vertical ribbed finish on the highway side, with a stamped finish on the residential side. Production of the projected 1,690 precast concrete panels and 577 concrete posts will begin this spring at Smith-Midland’s^® Midland, Va., plant. Installation is scheduled to begin in July 2007 with a targeted completion date in June 2008. The five-and-a half-inch-thick panels will be stacked on top of each other, sliding into a groove on the concrete posts, to create a wall that is up to 30 feet tall and is almost two miles long. Smith-Midland^® Corp. has produced highway barrier for Wagman Construction for use in this and previous projects.

Smith-Midland^® Corporation is a publicly traded company (OTC BB: SMID, SMIWC;
Boston Stock Exchange: SMM, SMM/W). Smith-Midland develops, manufactures and sells a
broad array of precast concrete products for use primarily in the construction, transportation and utilities industries. Smith-Midland^® has two manufacturing facilities located in Midland, Va., and Reidsville, N.C. Easi-Set^® Industries, a wholly owned subsidiary of Smith-Midland^® Corporation, licenses the production of Smith-Midland^® developed products around the world. For more information please call (540) 439-3266 or visit www.SmithMidland.com.

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Maryland Transportation Authority project to feature Smith-Midland® Sound Wall

Maryland Transportation Authority project to feature Smith-Midland^® Sound Wall