WILLIS GROUP HOLDINGS PUBLIC

CUSIP: G96666105 Class: SHS

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

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

Q3 2014
Shares 523 Value ($000) $22 Avg Close — Range —
Q2 2014
Shares 523 Value ($000) $23 Avg Close — Range —
Q4 2013
Shares 703 Value ($000) $32 Avg Close — Range —