YUMA ENERGY INC

CUSIP: 98872E108 Class: COM

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

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

Q2 2015
Shares 58,769 Value ($000) $30 Avg Close — Range —
Q1 2015
Shares 70,953 Value ($000) $72 Avg Close — Range —
Q4 2014
Shares 75,037 Value ($000) $137 Avg Close — Range —
Q3 2014
Shares 75,037 Value ($000) $321 Avg Close — Range —