Constellation Software Inc.
TSX : CSU

Constellation Software Inc.

December 14, 2007 17:00 ET

Certain Officers and Directors of Constellation Software Enter into Automatic Share Purchase and Disposition Agreements

TORONTO, ONTARIO--(Marketwire - Dec. 14, 2007) - Constellation Software Inc. ("Constellation") (TSX:CSU) announced today that it has been advised that seven of its officers, directors and executives have entered into agreements with a brokerage firm to adopt automatic share purchase and disposition plans in accordance with applicable securities laws. The plans allow for the purchase and disposition of Constellation common shares in a systematic manner based upon predetermined criteria. Details regarding the plans adopted by the officers and directors are contained in the table below:



Proposed Purchases

Name Office Transaction # of Limit
Period Shares Price
---------------------------------------------------------------------------
Director, Constellation Nov 14, 07 -
Stephen Scotchmer Software Inc. Dec 31, 08 25,000 $ 23.00
President, Constellation Jan 1, 08 -
Mark Leonard Software Inc. Jan 31, 08 16,000 $ 19.50
President, Constellation Feb 1, 08 -
Mark Leonard Software Inc. Feb 29, 08 16,000 $ 19.75
President, Constellation Mar 1, 08 -
Mark Leonard Software Inc. Mar 31, 08 16,000 $ 20.00
President, Constellation Apr 1, 08 -
Mark Leonard Software Inc. Apr 30, 08 16,000 $ 20.25
President, Constellation May 1, 08 -
Mark Leonard Software Inc. May 31, 08 16,000 $ 20.50
President, Constellation Jun 1, 08 -
Mark Leonard Software Inc. Jun 30, 08 16,000 $ 21.00
President, Constellation Jul 1, 08 -
Mark Leonard Software Inc. Jul 31, 08 16,000 $ 21.25
President, Constellation Aug 1, 08 -
Mark Leonard Software Inc. Aug 31, 08 16,000 $ 21.50
President, Constellation Sep 1, 08 -
Mark Leonard Software Inc. Sep 30, 08 16,000 $ 21.75
President, Constellation Oct 1, 08 -
Mark Leonard Software Inc. Oct 31, 08 16,000 $ 22.25
President, Constellation Nov 1, 08 -
Mark Leonard Software Inc. Nov 30, 08 16,000 $ 22.50
President, Constellation Dec 1, 08 -
Mark Leonard Software Inc. Dec 31, 08 16,000 $ 22.75
President, Constellation Jan 1, 08 -
Dexter Salna Homebuilder Systems Corp. Dec 31, 08 30,000 $ 22.50



Proposed Dispositions

Transaction # of Limit % of total
Name Office Period Shares Price holdings(1)
---------------------------------------------------------------------------
President,
Constellation Jan 1, 08 -
Mark Leonard Software Inc. Jan 31, 08 8,000 $ 28.50 0.6%
President,
Constellation Feb 1, 08 -
Mark Leonard Software Inc. Feb 29, 08 8,000 $ 29.00 0.6%
President,
Constellation Mar 1, 08 -
Mark Leonard Software Inc. Mar 31, 08 8,000 $ 29.50 0.6%
President,
Constellation Apr 1, 08 -
Mark Leonard Software Inc. Apr 30, 08 8,000 $ 29.75 0.6%
President,
Constellation May 1, 08 -
Mark Leonard Software Inc. May 31, 08 8,000 $ 30.25 0.6%
President,
Constellation Jun 1, 08 -
Mark Leonard Software Inc. Jun 30, 08 8,000 $ 30.75 0.6%
President,
Constellation Jul 1, 08 -
Mark Leonard Software Inc. Jul 31, 08 8,000 $ 31.25 0.6%
President,
Constellation Aug 1, 08 -
Mark Leonard Software Inc. Aug 31, 08 8,000 $ 31.75 0.6%
President,
Constellation Sep 1, 08 -
Mark Leonard Software Inc. Sep 30, 08 8,000 $ 32.25 0.6%
President,
Constellation Oct 1, 08 -
Mark Leonard Software Inc. Oct 31, 08 8,000 $ 32.50 0.6%
President,
Constellation Nov 1, 08 -
Mark Leonard Software Inc. Nov 30, 08 8,000 $ 33.00 0.6%
President,
Constellation Dec 1, 08 -
Mark Leonard Software Inc. Dec 31, 08 8,000 $ 33.50 0.6%
VP Business
Development,
Constellation Jan 1, 08 -
Bernard Anzarouth Software Inc. Dec 31, 08 1,000 $ 35.00 0.6%
VP Business
Development,
Constellation Jan 1, 08 -
Bernard Anzarouth Software Inc. Dec 31, 08 3,000 $ 38.00 1.9%
VP Business
Development,
Constellation Jan 1, 08 -
Bernard Anzarouth Software Inc. Dec 31, 08 5,000 $ 41.00 3.1%
VP Business
Development,
Constellation Jan 1, 08 -
Bernard Anzarouth Software Inc. Dec 31, 08 7,000 $ 44.00 4.3%
President,
Friedman Jan 1, 08 -
Mark Thompson Corporation Mar 31, 08 5,000 $ 23.00 19.3%
President,
Friedman Jan 1, 08 -
Mark Thompson Corporation Jun 30, 08 9,608 $ 24.00 37.2%
VP Research &
Development,
Friedman Jan 1, 08 -
Florence DeBello Corporation Mar 31, 08 2,500 $ 22.00 6.3%
VP Research &
Development,
Friedman Apr 1, 08 -
Florence DeBello Corporation Jun 30, 08 2,500 $ 22.00 6.3%
VP Research &
Development,
Friedman Jul 1, 08 -
Florence DeBello Corporation Sep 30, 08 2,500 $ 22.00 6.3%
VP Research &
Development,
Friedman Oct 1, 08 -
Florence DeBello Corporation Dec 31, 08 2,500 $ 22.00 6.3%
CFO, N. Harris
Computer Jan 1, 08 -
Melanie Judge Corporation Dec 31, 08 20,000 $ 35.00 31.3%

(1) Calculated by taking the shares proposed for distribution divided by
holdings as of December 14, 2007


Under each trading plan, the sales and purchases will occur from time to time, and will be under the direction of the independent broker engaged by each officer or director. The above plans are in addition to those established in December 2006 and May 2007 (see press releases dated December 15, 2006 and May 23, 2007). Additional directors, officers and employees may establish such programs in the future.

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.

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