ATMI INC

CUSIP: 00207R101 Class: COM

COMERICA BANK's Holding History (CIK: 0000901541)

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

Q1 2014
Shares 33,002 Value ($000) $1,122 Avg Close — Range —
Q4 2013
Shares 33,079 Value ($000) $999 Avg Close — Range —
Q3 2013
Shares 36,308 Value ($000) $963 Avg Close — Range —
Q2 2013
Shares 35,436 Value ($000) $838 Avg Close — Range —