ATMI INC

CUSIP: 00207R101 Class: COM

CARLSON CAPITAL L P's Holding History (CIK: 0001056973)

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

Q3 2013
Shares 285,800 Value ($000) $7,579 Avg Close — Range —
Q2 2013
Shares 214,900 Value ($000) $5,082 Avg Close — Range —