ATMI INC

CUSIP: 00207R101 Class: COM

JENNISON ASSOCIATES LLC's Holding History (CIK: 0000053417)

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

Q1 2014
Shares 269,416 Value ($000) $9,163 Avg Close — Range —
Q4 2013
Shares 732,881 Value ($000) $22,140 Avg Close — Range —
Q3 2013
Shares 2,101,127 Value ($000) $55,722 Avg Close — Range —
Q2 2013
Shares 2,647,286 Value ($000) $62,608 Avg Close — Range —