The following summarizes the unsecured convertible senior notes (collectively, the “Convertible Notes”) outstanding as of June 30, 2014 (amounts in thousands, except rates):

	Principal Amount		Coupon Rate		Effective Rate(1)		Conversion Rate(2)	Maturity Date	Remaining Period of Amortization
2018 Notes	$	599,981	4.55	%	6.08	%	44.6455	3/1/2018	3.7 years
2019 Notes	$	459,997	4.00	%	5.37	%	47.5456	1/15/2019	4.5 years

	As of June 30, 2014			As of December 31, 2013
Total principal	$	1,059,978		$	1,060,000
Net unamortized discount	(56,131		)	(62,149		)
Carrying amount of debt components	$	1,003,847		$	997,851
Carrying amount of conversion option equity components recorded in additional paid-in capital	$	48,502		$	48,502

(1) Effective rate includes the effects of underwriter purchase discount and the adjustment for the conversion option, the value of which reduced the initial liability and was recorded in additional paid-in-capital.

(2) The conversion rate represents the number of shares of common stock issuable per $1,000 principal amount of Convertible Notes converted, as adjusted in accordance with the applicable indentures as a result of the spin-off of the SFR segment and cash dividend payments. The if-converted value of the 2018 Notes exceeded their principal amount by $36.7 million at June 30, 2014 since the closing market price of the Company’s common stock of $23.77 per share exceeded the implicit conversion price of $22.40 per share. The if-converted value of the 2019 Notes exceeded their principal amount by $59.9 million at June 30, 2014 since the closing market price of $23.77 per share exceeded the implicit conversion price of $21.03 per share for the 2019 Notes. The Company has asserted its intent and ability to settle the principal amount of the Convertible Notes in cash. As a result, conversion of this principal amount, totaling 44.6 million and 44.8 million shares for the three and six months ended June 30, 2014, respectively, was not included in the computation of diluted earnings per share (“EPS”). However, the conversion spread value, representing 4.1 million and 3.9 million shares for the three and six months ended June 30, 2014, respectively, was included in the computation of diluted EPS. See further discussion at Note 16.