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TORONTO, ONTARIO--(Marketwire - May 6, 2010) - Constellation Software Inc. ("Constellation") (TSX:CSU) announced today that AssetWorks Inc. ("AssetWorks"), a subsidiary of wholly-owned subsidiary Trapeze Software ("Trapeze"), has acquired the assets of InCircuit Development Corporation of Austin, Texas. The acquisition adds InCircuit's Enterprise Asset Management Software (EAMS) to the AssetWorks solution portfolio.

InCircuit is a leading provider of on-demand asset, inventory and surplus management software. The company's modular software-as-a-service (SaaS) approach enables its users to manage their assets, inventory, surplus and fleet more efficiently, while minimizing dependence on internal technology resources.

About Trapeze Software Inc.

Trapeze delivers solutions that consider the full 360 degrees of passenger transport. Whether addressing the needs of a single department, an entire organization, or the community, Trapeze provides some of the most advanced software, intelligent transportation systems (ITS) and mobile technologies in the industry. Hundreds of government and commercial organizations across North America, Europe and Asia Pacific have turned to Trapeze to realize efficiencies, enhance the quality and scope of their services, and safely transport more people with less cost. For further information on Trapeze Software Inc., please visit [ http://www.trapezegroup.com ], or call 905-629-5297.

About Constellation Software Inc.

Constellation's common shares are listed on the Toronto Stock Exchange under the symbol "CSU". Constellation Software is an international provider of market leading software and services to a number of industries across both the public and private sectors. The Company acquires, manages and builds vertical market software businesses that provide mission-critical software solutions to address the specific needs of its customers in those industries.