AMBASSADORS GROUP INC

CUSIP: 23177108 Class: COM

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

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

Q4 2013
Shares 746 Value ($000) $3 Avg Close — Range —
Q3 2013
Shares 8,748 Value ($000) $30 Avg Close — Range —