ATMI INC

CUSIP: 00207R101 Class: COM

HBK INVESTMENTS L P's Holding History (CIK: 0001011443)

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

Q1 2014
Shares 14,400 Value ($000) $490 Avg Close — Range —
Q4 2013
Shares 9,100 Value ($000) $275 Avg Close — Range —