TGC INDS INC

CUSIP: 872417308 Class: CMN

DIMENSIONAL FUND ADVISORS LP's Holding History (CIK: 0000354204)

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

Q4 2014
Shares 600,715 Value ($000) $1,298 Avg Close — Range —
Q3 2014
Shares 625,187 Value ($000) $2,407 Avg Close — Range —
Q2 2014
Shares 634,353 Value ($000) $3,457 Avg Close — Range —
Q1 2014
Shares 637,093 Value ($000) $3,791 Avg Close — Range —
Q4 2013
Shares 637,093 Value ($000) $4,651 Avg Close — Range —
Q3 2013
Shares 639,564 Value ($000) $5,046 Avg Close — Range —
Q2 2013
Shares 646,783 Value ($000) $5,317 Avg Close — Range —