WILLIS GROUP HOLDINGS PUBLIC

CUSIP: G96666105 Class: SHS

PDT Partners, LLC's Holding History (CIK: 0001564702)

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

Q1 2015
Shares 51,149 Value ($000) $2,464 Avg Close — Range —
Q2 2014
Shares 63,482 Value ($000) $2,749 Avg Close — Range —
Q1 2014
Shares 59,098 Value ($000) $2,608 Avg Close — Range —