AIRGAS INC

CUSIP: 009363102 Class: COM

MARSHALL WACE, LLP's Holding History (CIK: 0001318757)

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

Q1 2016
Shares 31,923 Value ($000) $4,522 Avg Close — Range —
Q4 2015
Shares 16,015 Value ($000) $2,215 Avg Close — Range —
Q3 2015
Shares 52,471 Value ($000) $4,687 Avg Close — Range —
Q2 2015
Shares 23,625 Value ($000) $2,499 Avg Close — Range —
Q4 2014
Shares 39,319 Value ($000) $4,529 Avg Close — Range —
Q2 2013
Shares 67,224 Value ($000) $6,417 Avg Close — Range —