ATMI INC

CUSIP: 00207R101 Class: COM

TWO SIGMA ADVISERS, LP's Holding History (CIK: 0001478735)

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

Q1 2014
Shares 56,295 Value ($000) $1,913 Avg Close — Range —
Q4 2013
Shares 61,495 Value ($000) $1,857 Avg Close — Range —
Q3 2013
Shares 52,295 Value ($000) $1,386 Avg Close — Range —
Q2 2013
Shares 82,795 Value ($000) $1,959 Avg Close — Range —