AMERICAN RAILCAR INDS INC

CUSIP: 02916P103 Class: COMMON STOCK

WESTFIELD CAPITAL MANAGEMENT CO LP's Holding History (CIK: 0001177719)

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

Q4 2013
Shares 9,600 Value ($000) $439 Avg Close — Range —
Q3 2013
Shares 9,600 Value ($000) $377 Avg Close — Range —
Q2 2013
Shares 200,484 Value ($000) $6,718 Avg Close — Range —