ATMI INC

CUSIP: 00207R101 Class: COM

Swiss National Bank's Holding History (CIK: 0001582202)

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

Q1 2014
Shares 37,500 Value ($000) $1,275 Avg Close — Range —
Q4 2013
Shares 29,600 Value ($000) $894 Avg Close — Range —
Q3 2013
Shares 29,600 Value ($000) $785 Avg Close — Range —
Q2 2013
Shares 31,100 Value ($000) $736 Avg Close — Range —