ATMI INC

CUSIP: 00207R101 Class: COM

SG Americas Securities, LLC's Holding History (CIK: 0001313360)

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

Q1 2014
Shares 211,007 Value ($000) $7,176 Avg Close — Range —
Q3 2013
Shares 5,635 Value ($000) $149 Avg Close — Range —