| Company | Score | Outlook | Date |
|---|---|---|---|
| S&P | N/A | N/A | Sep 20 2021 |
| Moody’s | C | Steady | Mar 09 2018 |
| Fitch | RD | N/A | Nov 14 2017 |
| S&P | SD | N/A | Nov 14 2017 |
| Fitch | C | N/A | Nov 03 2017 |
| S&P | CC | Unfavorable Watch | Nov 03 2017 |
| Fitch | CC | N/A | Aug 30 2017 |
| S&P | CCC- | Unfavorable | Jul 11 2017 |
| Moody’s | Caa3 | Unfavorable | Mar 04 2016 |
| S&P | CCC | Unfavorable | Feb 09 2015 |
| Moody’s | Caa3 | Steady | Jan 13 2015 |
| Fitch | CCC | N/A | Dec 18 2014 |
| S&P | CCC+ | Unfavorable | Sep 16 2014 |
| Fitch | B | Unfavorable | Mar 25 2014 |
| Moody’s | Caa1 | Unfavorable | Dec 16 2013 |
| S&P | B- | Unfavorable | Dec 13 2013 |
| S&P | B | Unfavorable | Jun 17 2013 |
| S&P | B+ | Unfavorable | Apr 19 2013 |
| Moody’s | B2 | Unfavorable | Jan 15 2013 |
| Fitch | B+ | Unfavorable | Apr 04 2012 |
| S&P | B+ | Steady | Aug 19 2011 |
| S&P | BB- | Steady | Jan 11 2010 |
| Moody’s | B2 | Steady | Jan 15 2009 |
| Fitch | B+ | Steady | Dec 16 2008 |
| S&P | BB- | Unfavorable | Dec 10 2008 |
| Moody’s | B2 | Optimistic Watch | Sep 19 2008 |
| Fitch | BB- | Unfavorable | Oct 18 2007 |
| S&P | BB- | Steady | Jan 11 2007 |
| S&P | BB- | Optimistic | Oct 04 2006 |
| S&P | BB- | Steady | Feb 03 2006 |
| Fitch | BB- | Steady | Nov 14 2005 |
| S&P | B+ | Steady | Aug 12 2005 |
| S&P | B | Steady | Mar 03 2005 |
| S&P | SD | N/A | Jan 18 2005 |
| Fitch | B+ | Steady | Sep 20 2004 |
| Moody’s | B2 | Steady | Sep 07 2004 |
| S&P | B | Steady | Aug 25 2004 |
| Fitch | B | Steady | Mar 29 2004 |
| S&P | B- | Steady | Jul 30 2003 |
| Fitch | B- | Steady | Jun 23 2003 |
| Moody’s | Caa1 | Steady | Might 28 2003 |
| S&P | CCC+ | Steady | Apr 16 2003 |
| Fitch | C | N/A | Mar 12 2003 |
| Fitch | CCC- | Unfavorable | Mar 12 2003 |
| Moody’s | Caa1 | Unfavorable | Jan 21 2003 |
| Fitch | CCC+ | Unfavorable | Jan 10 2003 |
| S&P | CCC+ | Unfavorable | Dec 13 2002 |
| S&P | B- | Unfavorable | Sep 24 2002 |
| Moody’s | B3 | Steady | Sep 20 2002 |
| Fitch | B | Unfavorable | Jun 28 2002 |
| S&P | B | Unfavorable | Mar 18 2002 |
| Moody’s | B2 | Unfavorable | Feb 27 2002 |
| S&P | B | Unfavorable Watch | Feb 11 2002 |
| Fitch | B+ | Unfavorable | Feb 06 2002 |
| Fitch | B | Unfavorable | Dec 18 2001 |
| Fitch | B | Steady | Sep 21 2000 |
| Fitch | BB- | N/A | Might 15 2000 |
| S&P | B | Steady | Dec 21 1999 |
| Fitch | BB- | Unfavorable Watch | Sep 02 1999 |
| Moody’s | B2 | Steady | Sep 03 1998 |
| S&P | B+ | Unfavorable | Aug 28 1998 |
| Moody’s | B1 | Steady | Jul 22 1998 |
| Moody’s | Ba2 | Unfavorable Watch | Might 08 1998 |
| Fitch | BB- | N/A | Sep 15 1997 |
| S&P | B+ | Steady | Jun 05 1997 |
| S&P | B | Optimistic | Jan 24 1997 |
| S&P | B | Steady | Jun 26 1996 |
| S&P | B | Unfavorable | Feb 23 1996 |
| S&P | B+ | Unfavorable Watch | Nov 21 1995 |
| S&P | B+ | Unfavorable | Jul 27 1994 |
| Moody’s | Ba2 | Steady | Apr 08 1994 |
| S&P | BB- | Unfavorable Watch | Mar 04 1994 |
| Moody’s | Ba1 | Unfavorable Watch | Feb 07 1994 |
| S&P | BB | Unfavorable | Apr 05 1993 |
| S&P | BB | Steady | Nov 04 1992 |
| Moody’s | Ba1 | Steady | Aug 06 1991 |
| S&P | BB | Optimistic | Jul 25 1991 |
| S&P | B+ | Optimistic | Jul 24 1991 |
| S&P | B+ | Steady | Jun 26 1989 |
| S&P | B+ | N/A | Jun 17 1989 |
| Moody’s | Ba2 | Steady | Dec 04 1987 |
| Moody’s | Ba2 | Steady | Jun 03 1987 |
| S&P | BB | N/A | Mar 28 1983 |
| Moody’s | WR | N/A | Mar 15 1983 |
| S&P | A- | N/A | Feb 11 1983 |
| Moody’s | Aa | Steady | Feb 04 1983 |
| S&P | AA | N/A | Aug 13 1982 |
| S&P | AA | N/A | Oct 05 1977 |
| Moody’s | Aaa | Steady | Dec 29 1976 |
