AIRGAS INC

CUSIP: 9363102 Class: COM

GROUP ONE TRADING, L.P.'s Holding History (CIK: 0000932540)

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

Q1 2016
Shares 1,100 Value ($000) $156 Avg Close — Range —
Q4 2015
Shares 2,494 Value ($000) $345 Avg Close — Range —
Q2 2015
Shares 3,979 Value ($000) $421 Avg Close — Range —
Q2 2014
Shares 1,666 Value ($000) $181 Avg Close — Range —
Q1 2014
Shares 233 Value ($000) $25 Avg Close — Range —
Q3 2013
Shares 2,363 Value ($000) $251 Avg Close — Range —