MCCOLLUM LEE [Rocket]

Date	Name	Symbol	Type	Security	Shares	Price	Value	Reported
09/04/2013	SIGMA ALDRICH CORP	SIAL	Sale	Common Stock	7.4k	$83.44	$617.5k	09/04/2013
09/04/2013	SIGMA ALDRICH CORP	SIAL	Exercise	NQ Stock Option Right to Buy	8k	$28.62	$229k	09/04/2013
11/12/2012	SIGMA ALDRICH CORP	SIAL	Exercise	NQ Stock Option Right to Buy	8k	$25.75	$206k	11/12/2012
11/12/2012	SIGMA ALDRICH CORP	SIAL	Sale	Common Stock	8k	$69.76	$558.1k	11/12/2012
05/05/2010	SIGMA ALDRICH CORP	SIAL	Grant	NQ Stock Option, Right to Buy	10k	$57.76	$577.6k	05/05/2010