VOLTERRA SEMICONDUCTOR CORP

CUSIP: 928708106 Class: COM

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

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

Q3 2013
Shares 462,414 Value ($000) $10,635 Avg Close — Range —
Q2 2013
Shares 456,600 Value ($000) $6,447 Avg Close — Range —