AIRGAS INC

CUSIP: 009363102 Class: COM

Dynamic Technology Lab Private Ltd's Holding History (CIK: 0001535387)

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

Q4 2012
Shares 5,404 Value ($000) $493 Avg Close — Range —
Q4 2011
Shares 6,523 Value ($000) $519 Avg Close — Range —