Numerator – Net income (loss):

Numerator for basic income (loss) per share

Effect of assumed conversion of 5.75% convertible senior notes:

Interest expense and amortization of financing cost

Numerator for diluted net income (loss) per share

Denominator - Weighted average shares

Denominator for basic net income (loss) per share

Effect of potentially dilutive shares:

Employee stock options and restricted stock units

5.75% convertible senior notes

Denominator for diluted net income (loss) per share

Net income (loss) per share:

Basic

Diluted