ATMI INC

CUSIP: 00207R101 Class: COM

TWO SIGMA INVESTMENTS, LP's Holding History (CIK: 0001179392)

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

Q1 2014
Shares 61,691 Value ($000) $2,097 Avg Close — Range —
Q4 2013
Shares 87,461 Value ($000) $2,643 Avg Close — Range —
Q3 2013
Shares 27,695 Value ($000) $734 Avg Close — Range —
Q2 2013
Shares 83,102 Value ($000) $1,966 Avg Close — Range —