ATMI INC

CUSIP: 00207R101 Class: COM

RENAISSANCE TECHNOLOGIES LLC's Holding History (CIK: 0001037389)

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

Q1 2014
Shares 502,492 Value ($000) $17,090 Avg Close — Range —
Q3 2013
Shares 21,785 Value ($000) $578 Avg Close — Range —