VOLTERRA SEMICONDUCTOR CORP

CUSIP: 928708106 Class: COM

Swiss National Bank's Holding History (CIK: 0001582202)

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

Q3 2013
Shares 28,400 Value ($000) $653 Avg Close — Range —
Q2 2013
Shares 29,900 Value ($000) $422 Avg Close — Range —