GASTAR EXPL LTD

CUSIP: 367299203 Class: CMN

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

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

Q4 2013
Shares 730,178 Value ($000) $5,052 Avg Close — Range —
Q3 2013
Shares 237,931 Value ($000) $940 Avg Close — Range —
Q2 2013
Shares 59,991 Value ($000) $160 Avg Close — Range —