Constellation Software Inc. Finalizes Acquisition of Municipal Software Corporation

Constellation Software Inc. ("Constellation") (TSX:CSU) announced today that its
wholly-owned subsidiary N. Harris Computer Corporation ("Harris") has completed
the acquisition of substantially all of the assets of Municipal Solutions Group
("MSG") (TSX VENTURE:MSZ), including the shares of its wholly-owned operating
subsidiary, Municipal Software Corporation ("MSC") (but excluding those assets
which constitute MSG's "Local Government Manager" product). Further details of
the transaction were disclosed in a news release of June 3, 2008 at the time
Constellation entered into an acquisition agreement to acquire MSG.


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. Constellation 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.


About Harris:

Harris is a wholly-owned subsidiary of Constellation and is a leading provider
of financial management and Customer Information Systems (CIS) software
solutions. Since 1976, Harris has focused on providing feature-rich and robust
turnkey solutions to all levels of local government, public power and water
entities as well as school districts throughout North America. Harris' focus is
on creating long-term relationships with our customers and ensuring that we meet
the changing needs of our customers over time. For further information on Harris
Computer Systems, please visit our website at http://www.harriscomputer.com, or
call 888-847-7747.