MFRI INC

CUSIP: 552721102 Class: COMMON STOCK

GSA CAPITAL PARTNERS LLP's Holding History (CIK: 0001362033)

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

Q3 2015
Shares 17,077 Value ($000) $88 Avg Close — Range —
Q2 2015
Shares 27,277 Value ($000) $165 Avg Close — Range —
Q1 2015
Shares 27,277 Value ($000) $170 Avg Close — Range —
Q4 2014
Shares 27,277 Value ($000) $191 Avg Close — Range —
Q3 2014
Shares 27,277 Value ($000) $259 Avg Close — Range —
Q2 2014
Shares 27,277 Value ($000) $311 Avg Close — Range —
Q1 2014
Shares 15,145 Value ($000) $206 Avg Close — Range —