CECO ENVIRONMENTAL CORP

Ticker: CECO CUSIP: 125141101 Class: Common Stock

GAMCO INVESTORS, INC. ET AL's Holding History (CIK: 0000807249)

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

Q1 2015
Shares 14,000 Value ($000) $149 Avg Close $12.49 Range $9.44 - $14.44
Q4 2014
Shares 14,000 Value ($000) $218 Avg Close $12.83 Range $11.36 - $14.63
Q3 2014
Shares 14,000 Value ($000) $188 Avg Close $12.99 Range $12.21 - $14.60
Q2 2014
Shares 18,000 Value ($000) $281 Avg Close $13.93 Range $11.84 - $15.72
Q1 2014
Shares 23,000 Value ($000) $382 Avg Close $14.92 Range $12.89 - $17.13
Q4 2013
Shares 23,000 Value ($000) $371 Avg Close $14.61 Range $12.57 - $17.55
Q3 2013
Shares 26,764 Value ($000) $377 Avg Close $11.80 Range $10.63 - $12.79