ATMI INC

CUSIP: 00207R101 Class: COM

NISA INVESTMENT ADVISORS, LLC's Holding History (CIK: 0000937615)

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

Q1 2014
Shares 38,000 Value ($000) $1,292 Avg Close — Range —
Q4 2013
Shares 38,000 Value ($000) $1,148 Avg Close — Range —
Q3 2013
Shares 38,000 Value ($000) $1,008 Avg Close — Range —
Q2 2013
Shares 38,000 Value ($000) $899 Avg Close — Range —