ALLIANCE DATA SYSTEMS CORP

CUSIP: 18581108 Class: Common Stock

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

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

Q1 2015
Shares 196 Value ($000) $58 Avg Close — Range —
Q4 2014
Shares 269 Value ($000) $77 Avg Close — Range —