SINGH GURBACHAN [Rocket]

Date	Name	Symbol	Type	Security	Shares	Price	Value	Ownership	Reported
12/27/2007	COMMERCE GROUP INC /MA	CGI	Exercise	Stock option (right to buy)	4.5k	$30.36	$136.7k		12/27/2007
09/20/2007	COMMERCE GROUP INC /MA	CGI	Gift	Common stock	1.4k	$0.00	$0		09/19/2007
09/19/2007	COMMERCE GROUP INC /MA	CGI	Gift	Common stock	3.5k	$0.00	$0		09/19/2007
06/21/2007	COMMERCE GROUP INC /MA	CGI	Gift	Common stock	300	$0.00	$0		06/21/2007
05/29/2007	COMMERCE GROUP INC /MA	CGI	Gift	Common stock	2.5k	$0.00	$0		05/29/2007
02/16/2007	COMMERCE GROUP INC /MA	CGI	Grant	Stock Option	4.5k	$30.36	$136.7k		01/31/2007
02/08/2007	COMMERCE GROUP INC /MA	CGI	Sale	Common stock	50k	$30.50	$1.5M		02/08/2007
02/08/2007	COMMERCE GROUP INC /MA	CGI	Sale	Common stock	50k	$30.50	$1.5M		02/08/2007
01/31/2007	COMMERCE GROUP INC /MA	CGI	Other (acquisition)	Common stock	16.5k	$0.00	$0	See	01/31/2007
12/27/2006	COMMERCE GROUP INC /MA	CGI	Gift	Common stock	2.1k	$0.00	$0		12/27/2006
06/28/2006	COMMERCE GROUP INC /MA	CGI	Gift	Common stock	3.8k	$0.00	$0		06/28/2006
02/16/2006	COMMERCE GROUP INC /MA	CGI	Gift	Common stock	1.2k	$0.00	$0		02/16/2006
06/07/2004	COMMERCE GROUP INC /MA	CGI	Sale	Common Stock	13.9k	$46.39	$644.8k		06/07/2004
06/04/2004	COMMERCE GROUP INC /MA	CGI	Sale	Common Stock	1.1k	$46.42	$51.1k		06/04/2004
12/04/2003	COMMERCE GROUP INC /MA	CGI	Gift	Common Stock	1000	$0.00	$0		12/04/2003
12/04/2003	COMMERCE GROUP INC /MA	CGI	Sale	Common Stock	2.5k	$40.27	$100.7k		12/04/2003