Operating Lease

9 Months Ended

Sep. 30, 2011

Operating Lease

Operating Lease

8. Operating Lease

The Company leases its South San Francisco, California, facilities under a non-cancelable operating lease. Future minimum lease payments under this lease, exclusive of executory costs, at September 30, 2011, were as follows:

(in thousands)
Years ending December 31:
Remainder of 2011	$	1,173
2012	5,429
2013	5,029
2014	4,859
2015	5,005
Thereafter	23,962
Total	$	45,457