LACK WALTER J [Rocket]

Date	Name	Symbol	Type	Security	Shares	Price	Value	Ownership	Reported
03/29/2010	Astex Pharmaceuticals, Inc	ASTX	Exercise	Director Stock Option (Right to buy)	10k	$1.98	$19.8k		03/29/2010
03/29/2010	Astex Pharmaceuticals, Inc	ASTX	Exercise	Director Stock Option (Right to buy)	10k	$2.01	$20.1k		03/29/2010