AON PLC

CUSIP: G0408V102 Class: SHS CL A

GAMCO INVESTORS, INC. ET AL's Holding History (CIK: 0000807249)

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

Q1 2014
Shares 3,200 Value ($000) $270 Avg Close — Range —
Q4 2013
Shares 3,200 Value ($000) $268 Avg Close — Range —
Q3 2013
Shares 6,300 Value ($000) $469 Avg Close — Range —
Q2 2013
Shares 7,000 Value ($000) $450 Avg Close — Range —