VOLTERRA SEMICONDUCTOR CORP

CUSIP: 928708106 Class: COM

CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM's Holding History (CIK: 0001081019)

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

Q3 2013
Shares 44,958 Value ($000) $1,034 Avg Close — Range —
Q2 2013
Shares 43,585 Value ($000) $615 Avg Close — Range —
Q1 2013
Shares 44,013 Value ($000) $625 Avg Close — Range —