Bangor Hydro Selects Cayenta, a Subsidiary of Constellation Software's Harris Subsidiary, for its Customer Information System ("CIS")


TORONTO, ONTARIO--(Marketwire - Oct. 3, 2011) - Harris Computer Systems ("Harris"), a subsidiary of Constellation Software Inc. ("Constellation") (TSX:CSU) is pleased to announce that Bangor Hydro Electric Company has selected Cayenta Utilities, a wholly-owned subsidiary of Harris, for its CIS. The implementation will commence in October 2011. Bangor Hydro is an electric utility wholly-owned by Emera Inc. Bangor Hydro serves 117,000 customers in an area encompassing 5,275 square miles in eastern and east coastal Maine.

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.

About Constellation:

Constellation acquires, manages and builds vertical market software businesses that provide mission critical software solutions. Constellation's common shares are listed on the Toronto Stock Exchange under the symbol "CSU". Further information about Constellation may be obtained from the Company's web site at www.csisoftware.com.

Contact Information:

Constellation Software
John Billowits
Chief Financial Officer
(416) 861-2279
info@csisoftware.com