ATC TECHNOLOGY CORP

CUSIP: 00211W104 Class: COMMON

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

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

Q2 2010
Shares 7,560 Value ($000) $121 Avg Close — Range —
Q1 2010
Shares 6,049 Value ($000) $103 Avg Close — Range —
Q4 2009
Shares 13,919 Value ($000) $331 Avg Close — Range —
Q3 2009
Shares 12,700 Value ($000) $250 Avg Close — Range —