AIRGAS INC

CUSIP: 009363102 Class: COM

CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM's Holding History (CIK: 0001081019)

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

Q1 2016
Shares 147,464 Value ($000) $20,887 Avg Close — Range —
Q4 2015
Shares 129,081 Value ($000) $17,854 Avg Close — Range —
Q3 2015
Shares 126,978 Value ($000) $11,343 Avg Close — Range —
Q2 2015
Shares 124,109 Value ($000) $13,128 Avg Close — Range —
Q1 2015
Shares 136,122 Value ($000) $14,444 Avg Close — Range —
Q4 2014
Shares 138,422 Value ($000) $15,943 Avg Close — Range —
Q3 2014
Shares 137,136 Value ($000) $15,174 Avg Close — Range —
Q2 2014
Shares 135,657 Value ($000) $14,774 Avg Close — Range —
Q1 2014
Shares 119,157 Value ($000) $12,691 Avg Close — Range —
Q4 2013
Shares 118,557 Value ($000) $13,261 Avg Close — Range —
Q3 2013
Shares 117,757 Value ($000) $12,488 Avg Close — Range —
Q2 2013
Shares 114,132 Value ($000) $10,895 Avg Close — Range —
Q1 2013
Shares 119,361 Value ($000) $11,836 Avg Close — Range —