WILLIS GROUP HOLDINGS PUBLIC

CUSIP: G96666105 Class: SHS

Walleye Trading LLC's Holding History (CIK: 0001388391)

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

Q3 2015
Shares 895 Value ($000) $37 Avg Close — Range —
Q2 2015
Shares 44,810 Value ($000) $2,102 Avg Close — Range —
Q3 2014
Shares 6,578 Value ($000) $272 Avg Close — Range —
Q4 2013
Shares 1,550 Value ($000) $69 Avg Close — Range —
Q3 2013
Shares 499 Value ($000) $22 Avg Close — Range —