Harris Acquires Computer Software Innovations
November 13, 2012
Toronto and Ottawa, Canada, November 13, 2012 — Constellation Software Inc. (“Constellation”) (TSX:CSU) announced that pursuant to the terms of the previously announced merger agreement,  Constellation’s subsidiary, N. Harris Computer Corporation (“Harris”) , completed the acquisition of Computer Software Innovations (“CSWI”) by effecting a “short-form” merger under Delaware law and CSWI became a direct, wholly-owned subsidiary of Harris.  Following the merger, CSWI’s stock will cease to be quoted on the OTC Bulletin Board.

CSWI is engaged in the development and sale of internally developed software and the sale and distribution of computers and network and communications hardware, as well as interactive collaborative classroom technologies. CSWI markets its products and services primarily to education, local government agencies and not-for-profit entities in the southeastern United States

Harris Public Sector & School Group President Jerry Canada Jr. stated, "The CSWI transaction continues our strategy of acquiring market leaders with strong customer bases. With CSWI, we have acquired a talented group of employees who deliver outstanding products and customer service.  We welcome these employees and customers to Harris.”

As a result of the transaction, CSWI will become part of the Harris Public Sector & School Group and will continue to focus on providing a high level of customer engagement from its base in Easley, South Carolina.

About Constellation Software Inc.

Constellation’s common shares are listed onthe Toronto Stock Exchange under the symbol “CSU”. Constellation Software is aninternational provider of market leading software and services to a number ofindustries across both the public and private sectors. The Company acquires,manages and builds vertical market software businesses that providemission-critical software solutions. Further information about Constellationmay be obtained from its website at www.csisoftware.com.

More information about CSWI is available at www.csioutfitters.com.

CONTACTS

Harris:
Jerry Canada Jr.
President, Public Sector & Schools Group
Harris Computer Systems
Tel: (716) 207-8005 x221