AON PLC

CUSIP: G0408V102 Class: SHS CL A

Portolan Capital Management, LLC's Holding History (CIK: 0001350290)

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

Q4 2015
Shares 119,742 Value ($000) $11,041 Avg Close — Range —
Q3 2015
Shares 116,586 Value ($000) $10,331 Avg Close — Range —
Q2 2015
Shares 39,872 Value ($000) $3,974 Avg Close — Range —
Q1 2015
Shares 33,872 Value ($000) $3,256 Avg Close — Range —
Q4 2014
Shares 31,887 Value ($000) $3,024 Avg Close — Range —