AMERICAN RAILCAR INDS INC

CUSIP: 02916P103 Class: COMMON STOCK

GROUP ONE TRADING, L.P.'s Holding History (CIK: 0000932540)

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

Q4 2015
Shares 32 Value ($000) $1 Avg Close — Range —
Q3 2014
Shares 2,318 Value ($000) $171 Avg Close — Range —
Q2 2014
Shares 2,981 Value ($000) $202 Avg Close — Range —
Q2 2013
Shares 2,524 Value ($000) $85 Avg Close — Range —