AIRGAS INC

CUSIP: 009363102 Class: COM

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

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

Q1 2016
Shares 10,400 Value ($000) $1,473 Avg Close — Range —
Q4 2015
Shares 15,400 Value ($000) $2,130 Avg Close — Range —
Q3 2015
Shares 10,500 Value ($000) $950 Avg Close — Range —
Q2 2015
Shares 10,700 Value ($000) $1,132 Avg Close — Range —
Q1 2015
Shares 10,900 Value ($000) $1,157 Avg Close — Range —
Q4 2014
Shares 10,900 Value ($000) $1,255 Avg Close — Range —
Q3 2014
Shares 11,900 Value ($000) $1,317 Avg Close — Range —
Q2 2014
Shares 11,900 Value ($000) $1,296 Avg Close — Range —
Q1 2014
Shares 11,900 Value ($000) $1,267 Avg Close — Range —
Q4 2013
Shares 11,900 Value ($000) $1,331 Avg Close — Range —
Q3 2013
Shares 12,200 Value ($000) $1,294 Avg Close — Range —
Q2 2013
Shares 12,200 Value ($000) $1,165 Avg Close — Range —