Gross Margins For Biotech Companies

(Note: Some companies may have other significant businesses.)

Data in table version:

Ticker	Stock	Gross Margin	Quarter Ending
AFFX	AFFYMETRIX INC	70.9%
12/31/05
ALXN	ALEXION PHARMACEUTICALS INC	100.0%
12/31/05
AMGN	AMGEN INC	84.4%
12/31/05
AMLN	AMYLIN PHARMACEUTICALS INC	63.9%
12/31/05
BIIB	BIOGEN IDEC INC	82.1%
12/31/05
BSTE	BIOSITE INC	71.0%
12/31/05
CELG	CELGENE CORP	82.1%
12/31/05
DNA	GENENTECH INC	84.5%
12/31/05
ELN	ELAN CORP PLC	68.2%
12/31/05
GILD	GILEAD SCIENCES INC	87.8%
12/31/05
GPRO	GEN-PROBE INC NEW	69.7%
12/31/05
IMCL	IMCLONE SYSTEMS INC	26.2%
12/31/05
INCY	IMCLONE SYSTEMS INC	26.2%
12/31/05
MEDI	MEDIMMUNE INC	71.5%
12/31/05
NBIX	NEUROCRINE BIOSCIENCES INC	100.0%
12/31/05
VRTX	VERTEX PHARMACEUTICALS INC	95.6%
12/31/05

Data: Reuters