Cornerstone Appraisal Services and MSB Form Strategic Alliance High value home inspection vendor joins forces with MSB

Valparaiso, Indiana and Los Angeles, (March 13, 2006) Cornerstone Appraisal Services (Cornerstone) and Marshall & Swift / Boeckh (MSB), an MDA company, are pleased to announce the formation of a strategic business partnership. This alliance will leverage the strengths of both organizations to deliver superior high value inspection and valuation services to the property and casualty industry.

Cornerstone, the leading provider in high value insurance inspections and inspection technology for insurance carriers will now offer MSB’s Residential Component Technology(TM) (RCT) Main Street and High Value tools. MSB, the leading worldwide provider of building cost data and estimating technology to the property insurance industry, gains an inspection partner with a proven track record of quality, professionalism and VIP customer service. Cornerstone and MSB will be heavily leveraging technology to integrate each other’s business processes. This system-to-system integration will allow the two companies to deliver industry-leading technology to their customers.

Janet Toma, President of Cornerstone says: “Our partnership with MSB will enable us to completely automate our valuation processes, solidifying our place at the leading edge of inspection technology and as the premier provider of high value insurance inspections to the insurance industry. This partnership creates new opportunities to expand our customer base while remaining focused on providing superior quality and service to our clients. We look forward to a very prosperous partnership with MSB, the biggest name in insurance valuation methodology.”

Peter M. Wells, President of MSB, adds, “High Value homes, characterized by fine interior and exterior finishes, specialized features like floating staircases, and broad roof and ceiling spans requiring additional superstructure, are increasing in numbers across North America That Cornerstone, a respected specialist in home inspection, recognizes the importance of using total-component home valuation systems and especially a specialized High Value tool, validates the thought and effort MSB has put into developing these systems for the benefit of the industry and its policyholders.”

About Cornerstone Appraisal Services Inc.

Cornerstone is the leading provider of high value and older home insurance inspections. Since 1996, Cornerstone has provided the very best insurance valuation and loss control services to its customers through industry-leading technology.

Cornerstone’s nationwide network of appraisal and loss control experts are the most experienced in the industry specializing in high value and older homes. To learn more about Cornerstone Appraisal Services, please visit us on the Web at: HTTP://www.cornerstone-appraisals.com or call Janet Toma at 866-505-4600 ext. 1101.

About MSB

Marshall & Swift / Boeckh (MSB), an MDA company, is the leading supplier of local building cost information, residential and commercial property valuation technology and services for the property and casualty insurance sector in the United States and Canada. MSB has five offices throughout the U.S. and Canada. For information, please contact Marsha Berenson, Media Coordinator, at 800-285-1288, Ext. 2828, e-mail MAILTO:Marsha.Berenson@msbinfo.com, or visit MSB’s Web site at HTTP://www.msbinfo.com.

About MDA

MDA provides advanced information solutions that capture and process vast amounts of data, produce essential information, and improve the decision making and operational performance of business and government organizations worldwide.

Focused on markets and customers with strong repeat business potential, MDA delivers a broad spectrum of earth and space based information solutions, ranging from complex operational systems, to tailored information services, to electronic information products.

MDA employs more than 2,700 people in locations across the United States, the United Kingdom, and Canada. The Company’s common shares trade on the Toronto Stock Exchange under the symbol TSX:MDA.