Exhibit 99.1

Condensed Consolidated Statements of Operations (unaudited)	Three Months Ended March 31,
(In thousands, except per share amounts)	2004			2003
Product sales	$	17,372		$	12,169
License and research revenues		62			14
		17,434			12,183
Operating expenses:
Cost of goods sold		2,236			3,501
Research and development		19,837			20,982
Intellectual property license expense		—			1,350
Selling, general and administrative		8,958			9,166
Restructuring charges		861			3,602
		31,892			38,601
Loss from operations before minority interest		(14,458	)		(26,418	)
Minority interest in net income of consolidated subsidiary		(1	)		(303	)
Loss from operations after minority interest		(14,459	)		(26,721	)
Interest income		308			776
Net loss	$	(14,151	)	$	(25,945	)
Basic and diluted net loss per share	$	(0.41	)	$	(0.75	)
Shares used to compute basic and diluted net loss per share		34,612			34,550

Condensed Consolidated Balance Sheets (unaudited)	March 31,		December 31,
(In thousands)	2004		2003
Cash and marketable securities	$	164,634	$	180,947
Other current assets		44,381		44,392
Property and equipment, net		64,644		61,908
Other assets		1,972		1,922
Total assets	$	275,631	$	289,169
Total liabilities	$	33,336	$	30,434
Minority interest		414		413
Total stockholders’ equity		241,881		258,322
Total liabilities and stockholders’ equity	$	275,631	$	289,169