ALLSTATE CORP

CUSIP: 20002101 Class: COMMON STOCK

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

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

Q4 2015
Shares 328 Value ($000) $20 Avg Close — Range —
Q3 2014
Shares 100 Value ($000) $6 Avg Close — Range —
Q2 2014
Shares 200 Value ($000) $12 Avg Close — Range —