AIR METHODS CORP

CUSIP: 009128307 Class: COM PAR $.06

Boston Trust Walden Corp's Holding History (CIK: 0001534866)

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

Q1 2017
Shares 358,291 Value ($000) $15,407 Avg Close — Range —
Q4 2016
Shares 394,069 Value ($000) $12,551 Avg Close — Range —
Q3 2016
Shares 489,918 Value ($000) $15,428 Avg Close — Range —
Q2 2016
Shares 492,247 Value ($000) $17,638 Avg Close — Range —
Q1 2016
Shares 497,817 Value ($000) $18,031 Avg Close — Range —
Q4 2015
Shares 502,978 Value ($000) $21,090 Avg Close — Range —
Q3 2015
Shares 657,359 Value ($000) $22,409 Avg Close — Range —
Q2 2015
Shares 677,280 Value ($000) $27,999 Avg Close — Range —
Q1 2015
Shares 689,115 Value ($000) $32,106 Avg Close — Range —