CECO ENVIRONMENTAL CORP

Ticker: CECO CUSIP: 125141101 Class: Common Stock

Ativo Capital Management LLC's Holding History (CIK: 0001423065)

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

Q1 2014

Shares 24,810 Value ($000) $412 Avg Close $14.92 Range $12.89 - $17.13

Q4 2013

Shares 26,216 Value ($000) $423 Avg Close $14.61 Range $12.57 - $17.55

Q3 2013

Shares 33,809 Value ($000) $476 Avg Close $11.80 Range $10.63 - $12.79

Q2 2013

Shares 28,909 Value ($000) $356 Avg Close $10.81 Range $9.36 - $11.81

Period	Shares	Value ($000)	Average Close	Price Range
Q1 2014	24,810	$412	$14.92	$12.89 - $17.13
Q4 2013	26,216	$423	$14.61	$12.57 - $17.55
Q3 2013	33,809	$476	$11.80	$10.63 - $12.79
Q2 2013	28,909	$356	$10.81	$9.36 - $11.81