Corporate Governance

Date	Name	Title	Type	Shares Traded	Price
Aug 13, 2003	BROWN MICHAEL S Director Trans History: 389	Director	Bona fide gift	2,700	--
Aug 13, 2003	BROWN MICHAEL S Director Trans History: 389	Director	Conversion of derivative security	2,700	--
Jul 28, 2003	VAGELOS P ROY Director Trans History: 677	Director	Bona fide gift	5,762	$14.92
Jun 26, 2003	VAGELOS P ROY Director Trans History: 677	Director	Bona fide gift	5,332	$15.89
Jun 26, 2003	VAGELOS P ROY Director Trans History: 677	Director	Bona fide gift	13,237	$15.89
May 07, 2003	SHOOTER ERIC M Director Trans History: 368	Director	Bona fide gift	3,000	$6.72
Jan 13, 2003	STAHL NEIL SVP, PreclinDevel & Biomol Sci Trans History: 580	SVP, PreclinDevel & Biomol Sci	Bona fide gift	250	$19.65

* Represents the number of non-derivative securities directly held. (I) Indicates that some (or all) of these shares are held indirectly.

INVESTORS & MEDIA