ONEBEACON INSURANCE GROUP-A

CUSIP: B1GN3G6 Class: COM

BLAIR WILLIAM & CO/IL's Holding History (CIK: 0000902367)

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

Q1 2014
Shares 19,618 Value ($000) $303 Avg Close — Range —
Q4 2013
Shares 18,438 Value ($000) $292 Avg Close — Range —
Q3 2013
Shares 17,366 Value ($000) $256 Avg Close — Range —
Q2 2013
Shares 16,912 Value ($000) $245 Avg Close — Range —