AIR METHODS CORP

CUSIP: 009128307 Class: COM PAR $.06

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

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

Q1 2017
Shares 66,522 Value ($000) $2,860 Avg Close — Range —
Q4 2016
Shares 65,922 Value ($000) $2,100 Avg Close — Range —
Q3 2016
Shares 75,322 Value ($000) $2,372 Avg Close — Range —
Q2 2016
Shares 74,622 Value ($000) $2,674 Avg Close — Range —
Q1 2016
Shares 83,448 Value ($000) $3,022 Avg Close — Range —
Q4 2015
Shares 72,774 Value ($000) $3,051 Avg Close — Range —
Q3 2015
Shares 71,616 Value ($000) $2,441 Avg Close — Range —
Q2 2015
Shares 71,716 Value ($000) $2,965 Avg Close — Range —
Q1 2015
Shares 71,723 Value ($000) $3,342 Avg Close — Range —
Q4 2014
Shares 72,923 Value ($000) $3,211 Avg Close — Range —
Q3 2014
Shares 72,314 Value ($000) $4,017 Avg Close — Range —
Q2 2014
Shares 71,504 Value ($000) $3,693 Avg Close — Range —
Q1 2014
Shares 70,704 Value ($000) $3,778 Avg Close — Range —
Q4 2013
Shares 70,404 Value ($000) $4,107 Avg Close — Range —
Q3 2013
Shares 69,904 Value ($000) $2,978 Avg Close — Range —
Q2 2013
Shares 67,753 Value ($000) $2,295 Avg Close — Range —
Q1 2013
Shares 66,930 Value ($000) $3,229 Avg Close — Range —