
	Options Outstanding				Options Exercisable
		Weighted
		Average
		Remaining		Weighted			Weighted
	Number of	Contractual		Average	Number of		Average
	Shares	Life		Exercise	Shares		Exercise
Range of Exercise Prices	Outstanding	(In Years)		Price	Exercisable		Price
$ 1.94 – $2.26	14,120,595	4.72	$	2.21	4,933,133	$	2.19
$ 3.39 – $5.75	12,506,064	5.36		5.55	6,506,154		5.56
$ 5.87 – $7.07	1,481,659	3.86		6.31	756,198		5.92
$ 7.08 – $10.59	12,623,012	3.85		9.64	8,855,491		9.69
$ 10.67 – $11.41	1,517,458	4.84		11.13	1,496,925		11.13
$ 11.53 – $13.98	8,094,953	3.44		12.42	8,090,786		12.42
$ 14.34 – $23.02	3,598,717	2.32		17.09	3,598,717		17.09
$ 1.94 – $23.02	53,942,458	4.29	$	7.61	34,237,404	$	9.23

Options vested and expected to vest	52,893,459	4.27	$	7.66

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