ACME PACKET INC

CUSIP: 004764106 Class: COMMON STOCK

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

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

Q2 2009
Shares 58,253 Value ($000) $589 Avg Close — Range —
Q1 2009
Shares 56,096 Value ($000) $340 Avg Close — Range —
Q4 2008
Shares 84,688 Value ($000) $445 Avg Close — Range —