MILLER T MICHAEL [Rocket]

Date	Name	Symbol	Type	Security	Shares	Price	Value	Ownership	Reported
09/28/2017	OneBeacon Insurance Group, Ltd.	OB	Disposition	Class A Common Shares	3.6k	$18.10	$65.2k	in 401(k) ESOP	09/28/2017
09/28/2017	OneBeacon Insurance Group, Ltd.	OB	Disposition	Class A Common Shares	221.5k	$18.10	$4M		09/28/2017
05/25/2017	OneBeacon Insurance Group, Ltd.	OB	Sale	Class A Common Shares	30k	$18.29	$548.6k		05/25/2017
02/22/2017	OneBeacon Insurance Group, Ltd.	OB	Payment of Exercise	Class A Common Shares	67.3k	$16.65	$1.1M		02/22/2017