TORONTO, ONTARIO--(Marketwire - Jan. 3, 2011) - Constellation Software Inc. ("Constellation") (TSX:CSU) today announced that it has completed the acquisition of selected assets of John Deere Agri Services, Inc., ("JDAS"), a division of Deere & Company. The business has been incorporated as AGRIS Inc. with two divisions serving the agri-business industry – AGRIS (www.agris.com) for the Grains and Oilseeds market and ExtendAg (www.extendag.com) for the Fruits and Vegetables market. Other agri-businesses under the Constellation umbrella include UK-based organizations BMS Computer Solutions, Cal Software, and Kinross Software.

About Constellation

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.