VOLTERRA SEMICONDUCTOR CORP

CUSIP: 928708106 Class: COM

FIRST TRUST ADVISORS LP's Holding History (CIK: 0001125816)

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

Q3 2013
Shares 64,789 Value ($000) $1,490 Avg Close — Range —
Q2 2013
Shares 50,746 Value ($000) $716 Avg Close — Range —