TORONTO, Oct. 23 /CNW Telbec/ - Constellation Software Inc. (TSX:CSU) announced today it will host its third quarter conference call and live audio webcast on Thursday, November 9, 2006 at 8:30 a.m. ET. Mark Leonard, Chairman and President, and Barry Symons, Chief Financial Officer, will discuss the Company's operating results and financial performance for the period ended September 30, 2006. The Company will release its results after market close on Wednesday, November 8, 2006. To access the call, please dial 416-644-3432 or 1-866-250-4910. The webcast will be accessible at www.csisoftware.com. A replay of the conference call will be available as of 11:30 a.m. ET the same day until 12 a.m. on November 16, 2006. To access the replay, please dial 416-640-1917 or 1-877-289-8525 followed by the passcode 21207270(pound key). About Constellation Software Inc. 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.