MFRI INC

CUSIP: 552721102 Class: COMMON STOCK

BRIDGEWAY CAPITAL MANAGEMENT, LLC's Holding History (CIK: 0001107261)

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

Q4 2016
Shares 71,100 Value ($000) $576 Avg Close — Range —
Q3 2016
Shares 71,100 Value ($000) $542 Avg Close — Range —
Q2 2016
Shares 71,100 Value ($000) $530 Avg Close — Range —
Q1 2016
Shares 71,100 Value ($000) $498 Avg Close — Range —
Q4 2015
Shares 71,100 Value ($000) $465 Avg Close — Range —
Q3 2015
Shares 71,100 Value ($000) $364 Avg Close — Range —
Q2 2015
Shares 71,100 Value ($000) $430 Avg Close — Range —
Q1 2015
Shares 81,100 Value ($000) $507 Avg Close — Range —
Q4 2014
Shares 81,100 Value ($000) $569 Avg Close — Range —
Q3 2014
Shares 81,100 Value ($000) $769 Avg Close — Range —
Q2 2014
Shares 30,100 Value ($000) $343 Avg Close — Range —
Q1 2014
Shares 30,100 Value ($000) $410 Avg Close — Range —
Q4 2013
Shares 20,300 Value ($000) $291 Avg Close — Range —