Constellation Software Inc.
TSX : CSU

Constellation Software Inc.

December 21, 2009 17:00 ET

Constellation Announces Transfer Agent Change

TORONTO, ONTARIO--(Marketwire - Dec. 21, 2009) - Constellation Software Inc. (TSX:CSU)(the "Company") announced today that effective January 4, 2010 it will be using the services of Computershare Investor Services Inc. as the Company's transfer agent and registrar in place of CIBC Mellon Trust Company.

As of January 4, 2010, holders of the Company's common shares should submit all requests for transfers to:



Computershare
Investor Services
100 University Ave.
9th Floor, North Tower
Toronto, Ontario M5J 2Y1
Canada


Telephone: 1-800-564-6253 (toll free in Canada and the United States) between the hours of 8:30 a.m. and 8:00 p.m. Eastern Time or 514-982-7555 (international direct dial)

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.

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