ATMI INC

CUSIP: 00207R101 Class: COM

PRELUDE CAPITAL MANAGEMENT, LLC's Holding History (CIK: 0001387508)

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

Q1 2014
Shares 20,000 Value ($000) $680 Avg Close — Range —
Q1 2013
Shares 800 Value ($000) $18 Avg Close — Range —