AIRGAS INC

CUSIP: 009363102 Class: COM

EMERALD ADVISERS, LLC's Holding History (CIK: 0001015083)

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

Q4 2015
Shares 26,830 Value ($000) $3,711 Avg Close — Range —
Q3 2015
Shares 26,830 Value ($000) $2,397 Avg Close — Range —
Q2 2015
Shares 26,830 Value ($000) $2,838 Avg Close — Range —
Q1 2015
Shares 26,870 Value ($000) $2,828 Avg Close — Range —
Q4 2014
Shares 42,140 Value ($000) $4,854 Avg Close — Range —
Q3 2014
Shares 45,730 Value ($000) $5,060 Avg Close — Range —
Q2 2014
Shares 45,730 Value ($000) $4,980 Avg Close — Range —
Q1 2014
Shares 25,930 Value ($000) $2,762 Avg Close — Range —
Q4 2013
Shares 25,930 Value ($000) $2,900 Avg Close — Range —
Q3 2013
Shares 25,930 Value ($000) $2,750 Avg Close — Range —
Q2 2013
Shares 25,930 Value ($000) $2,475 Avg Close — Range —