TGC INDS INC

CUSIP: 872417308 Class: CMN

MARTINGALE ASSET MANAGEMENT L P's Holding History (CIK: 0000936944)

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

Q1 2014
Shares 33,893 Value ($000) $202 Avg Close — Range —
Q4 2013
Shares 35,195 Value ($000) $257 Avg Close — Range —
Q3 2013
Shares 35,195 Value ($000) $278 Avg Close — Range —
Q2 2013
Shares 19,495 Value ($000) $161 Avg Close — Range —