QUEST SOFTWARE INC

CUSIP: 74834T103 Class: COMMON STOCK

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

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

Q4 2010
Shares 9,223 Value ($000) $255 Avg Close — Range —
Q3 2010
Shares 18,809 Value ($000) $462 Avg Close — Range —
Q2 2010
Shares 9,586 Value ($000) $172 Avg Close — Range —
Q1 2010
Shares 9,586 Value ($000) $170 Avg Close — Range —
Q4 2009
Shares 10,300 Value ($000) $189 Avg Close — Range —
Q1 2009
Shares 17,058 Value ($000) $216 Avg Close — Range —
Q4 2008
Shares 17,058 Value ($000) $214 Avg Close — Range —
Q3 2008
Shares 17,058 Value ($000) $216 Avg Close — Range —
Q2 2008
Shares 17,058 Value ($000) $252 Avg Close — Range —
Q1 2008
Shares 17,058 Value ($000) $222 Avg Close — Range —