ATMI INC

CUSIP: 00207R101 Class: COM

CITADEL ADVISORS LLC's Holding History (CIK: 0001423053)

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

Q4 2013
Shares 23,749 Value ($000) $717 Avg Close — Range —
Q3 2013
Shares 46,743 Value ($000) $1,240 Avg Close — Range —
Q2 2013
Shares 102,143 Value ($000) $2,416 Avg Close — Range —