ATMI INC

CUSIP: 00207R101 Class: COM

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

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

Q1 2014
Shares 12,881 Value ($000) $438 Avg Close — Range —
Q4 2013
Shares 12,881 Value ($000) $389 Avg Close — Range —
Q4 2011
Shares 11,352 Value ($000) $227 Avg Close — Range —
Q3 2011
Shares 11,352 Value ($000) $179 Avg Close — Range —
Q2 2011
Shares 11,352 Value ($000) $231 Avg Close — Range —
Q4 2010
Shares 10,157 Value ($000) $202 Avg Close — Range —
Q3 2010
Shares 5,957 Value ($000) $88 Avg Close — Range —
Q2 2010
Shares 12,032 Value ($000) $176 Avg Close — Range —