CSU Constellation Software Inc

Constellation Software Inc. (“Constellation”) (TSX:CSU) announced today that it has, through its wholly-owned subsidiary, N. Harris Computer Corporation (“Harris”), completed the purchase from Allscripts Healthcare Solutions (“Allscripts”) of Allscripts’ Hospitals and Large Physician Practices business segment. 

About the Harris Operating Group Harris provides mission critical software solutions for the Public Sector, Healthcare, Utilities and Private Sector verticals throughout North America, Europe, Asia and Australia.  Harris’ focus is on creating long-term relationships with its customers and ensuring that it meets the changing needs of its customers over time. Further information about Harris may be obtained from its website at www.harriscomputer.com. 

About Constellation Software Inc. Constellation's common shares are listed on the Toronto Stock Exchange under the symbol "CSU". Constellation acquires, manages and builds vertical market software businesses. 

For further information, contact:Constellation Software Inc.Jamal Baksh, Chief Financial OfficerTel: (416) 861-9677 jbaksh@csisoftware.com www.csisoftware.com