VOLTERRA SEMICONDUCTOR CORP

CUSIP: 928708106 Class: COM

GLENMEDE TRUST CO NA's Holding History (CIK: 0000314949)

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

Q2 2013
Shares 83,578 Value ($000) $1,177 Avg Close — Range —
Q1 2013
Shares 210,466 Value ($000) $2,988 Avg Close — Range —
Q4 2012
Shares 147,463 Value ($000) $2,531 Avg Close — Range —
Q3 2012
Shares 134,627 Value ($000) $2,944 Avg Close — Range —
Q1 2012
Shares 134,627 Value ($000) $3,157 Avg Close — Range —
Q4 2011
Shares 125,422 Value ($000) $3,212 Avg Close — Range —
Q3 2011
Shares 88,286 Value ($000) $1,697 Avg Close — Range —
Q2 2011
Shares 90,435 Value ($000) $2,230 Avg Close — Range —
Q4 2010
Shares 70,705 Value ($000) $1,637 Avg Close — Range —
Q3 2010
Shares 54,396 Value ($000) $1,170 Avg Close — Range —