December 31,

2013

2012

8.50% Senior Notes, due June 2019

$

900,000

$

900,000

Debt premiums, net of amortization

15,421

17,611

Revolving bank credit facility, due Nov 2018

290,000

170,000

Total long-term debt (1)

1,205,421

1,087,611

Current maturities of long-term debt

—

—

Long-term debt, less current maturities

$

1,205,421

$

1,087,611

(1)

Aggregate annual maturities of long-term debt as of December 31, 2013 are as follows (in millions): 2014–$0.0; 2015–$0.0; 2016–$0.0; 2017–$0.0; thereafter–$1,190.0.