Constellation Software Inc. Enters Into an Agreement to Acquire a Provider of Software to the Radiology and Laboratory Information Systems Industry

TORONTO, ONTARIO, Mar 30, 2012 (MARKETWIRE via COMTEX) — Constellation Software Inc. (“Constellation”) announced today that its wholly-owned subsidiary, Gary Jonas Computing Ltd. (“Jonas”) has entered into an agreement to acquire a provider of software to the Radiology and Laboratory information systems industry. The acquisition is expected to close in early April and will represent a new vertical market for Jonas.

“We look forward to closing this acquisition and entering a new and exciting vertical.” said Barry Symons, CEO of Jonas. “We believe this is an attractive industry in which to further our growth plans.”

About Jonas:

Jonas is a leading provider of enterprise management software solutions to a number of vertical markets. Jonas has over 15,000 customers, in over 15 countries worldwide. Jonas’ focus is on creating long term relationships with our customers and ensuring we meet and exceed their software and service needs.

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. The Company 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.