CONSTELLATION SOFTWARE INC

Ticker: CNSWF CUSIP: 21037X100 Class: Common Stock

BLAIR WILLIAM & CO/IL's Holding History (CIK: 0000902367)

Note: Option positions (PUT/CALL) are excluded.

Q2 2015

Shares 68,153 Value ($000) $27,069 Avg Close $378.61 Range $314.48 - $400.75

Q1 2015

Shares 68,634 Value ($000) $23,723 Avg Close $293.93 Range $252.61 - $330.01

Q4 2014

Shares 94,219 Value ($000) $28,100 Avg Close $255.93 Range $221.46 - $277.92

Period	Shares	Value ($000)	Average Close	Price Range
Q2 2015	68,153	$27,069	$378.61	$314.48 - $400.75
Q1 2015	68,634	$23,723	$293.93	$252.61 - $330.01
Q4 2014	94,219	$28,100	$255.93	$221.46 - $277.92