MFRI INC

CUSIP: 552721102 Class: COMMON STOCK

ALGERT GLOBAL LLC's Holding History (CIK: 0001275218)

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

Q1 2015
Shares 16,771 Value ($000) $105 Avg Close — Range —
Q4 2014
Shares 16,771 Value ($000) $118 Avg Close — Range —
Q3 2014
Shares 16,771 Value ($000) $159 Avg Close — Range —
Q2 2014
Shares 16,771 Value ($000) $191 Avg Close — Range —