IGO INC

CUSIP: 449593201 Class: COM

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

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

Q3 2013
Shares 27,263 Value ($000) $85 Avg Close — Range —
Q2 2013
Shares 66,790 Value ($000) $156 Avg Close — Range —