AIR METHODS CORP

CUSIP: 009128307 Class: COM PAR $.06

RHUMBLINE ADVISERS's Holding History (CIK: 0001115418)

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

Q1 2017
Shares 70,516 Value ($000) $3,032 Avg Close — Range —
Q4 2016
Shares 53,694 Value ($000) $1,710 Avg Close — Range —
Q3 2016
Shares 53,271 Value ($000) $1,678 Avg Close — Range —
Q2 2016
Shares 50,841 Value ($000) $1,822 Avg Close — Range —
Q1 2016
Shares 51,869 Value ($000) $1,879 Avg Close — Range —
Q4 2015
Shares 51,924 Value ($000) $2,177 Avg Close — Range —
Q3 2015
Shares 48,024 Value ($000) $1,637 Avg Close — Range —
Q2 2015
Shares 46,637 Value ($000) $1,928 Avg Close — Range —
Q1 2015
Shares 48,697 Value ($000) $2,269 Avg Close — Range —
Q4 2014
Shares 43,512 Value ($000) $1,916 Avg Close — Range —
Q3 2014
Shares 44,862 Value ($000) $2,492 Avg Close — Range —
Q2 2014
Shares 44,792 Value ($000) $2,314 Avg Close — Range —
Q1 2014
Shares 46,214 Value ($000) $2,469 Avg Close — Range —
Q4 2013
Shares 48,324 Value ($000) $2,819 Avg Close — Range —
Q3 2013
Shares 48,124 Value ($000) $2,050 Avg Close — Range —
Q2 2013
Shares 49,267 Value ($000) $1,669 Avg Close — Range —