Constellation Software Closes Acquisitions in Local Government and Homebuilding Markets

TORONTO, Dec. 4 /CNW/ - Constellation Software Inc. ("Constellation") (TSX: CSU) announced today that it has completed two acquisitions through its wholly-owned subsidiaries N. Harris Computer Corporation ("Harris") and Constellation Homebuilder Systems Inc. ("CHS") with an aggregate purchase price of approximately $3.5 million.

Harris, a leading provider of financial, customer and student information management solutions for utilities, local governments and schools has acquired the business assets of Trio Software Corporation, a vendor of software solutions for local government and schools based in Bangor, Maine.

CHS, a leading provider of integrated software and related services for homebuilders, has acquired the Buildsoft and Builder 360-related business assets from HomeSphere Inc.

"Both Harris and CHS are continuing to execute their strategy of expanding their reach into their respective markets," said Mark Leonard, President of Constellation Software. "We welcome the customers, employees and suppliers of both companies into the Constellation group."

"These two businesses, which represent our typical tuck-in acquisitions in size and structure, bring our total number of acquisitions in 2006 to eight," said Bernard Anzarouth, Vice President of Business Development of Constellation Software Inc.

About Constellation Software Inc.

Constellation Software Inc.'s common shares are listed on the Toronto Stock Exchange under the symbol "CSU". Constellation 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.

Forward Looking Statements

Certain statements herein may be "forward looking" statements that involve known and unknown risks, uncertainties and other factors that may cause the actual results, performance or achievements of Constellation or the industry to be materially different from any future results, performance or achievements expressed or implied by such forward-looking statements. These statements reflect current assumptions and expectations regarding future events and operating performance and speak only as of the date hereof. Forward looking statements involve significant risks and uncertainties, should not be read as guarantees of future performance or results, and will not necessarily be accurate indications of whether or not such results will be achieved. A number of factors could cause actual results to vary significantly from the results discussed in the forward looking statements. These forward looking statements are made as of the date hereof and Constellation assumes no obligation to update any forward looking statements to reflect new events or circumstances.