| 10/22/2007 | BKHY | Moody's may up Oglebay
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| 10/15/2007 | BKHY | S&P may up Oglebay Norton
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| 7/25/2007 | BKHY | S&P: Oglebay Norton developing
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| 6/27/2006 | BKCVHY | Moody's rates Oglebay Norton, loan B1
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| 1/30/2004 | DDHY | Oglebay Norton to miss coupon on 10% notes
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| 10/23/2003 | BKDDHY | Oglebay Norton intends to find restructuring plan that has value for all stakeholders
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| 9/12/2003 | BKDDHY | Oglebay Norton amends loan, providing covenant relief and allowing for borrowings
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| 9/2/2003 | BKDDHY | S&P changes watch on ATA to negative
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| 8/15/2003 | BKDDHY | Oglebay waivers expire, talks continue
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| 8/1/2003 | BKDDHY | S&P lowers Huntsman outlook
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| 7/31/2003 | DDHY | Oglebay Norton to use grace period for coupon
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| 5/7/2003 | BKDDHY | Moody's cuts Oglebay Norton
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| 2/27/2003 | BKHY | Credit analyst warns Oglebay assets offer little recovery value for bondholders
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| 11/25/2002 | HY | Moody's rates new Levi notes B3, existing notes on upgrade review
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| 10/25/2002 | BKHY | Oglebay Norton sells $75 million notes, extends credit facility
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| 8/5/2002 | HY | S&P lowers Lucent outlook
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| 2/15/2002 | HY | Moody's cuts SBA outlook to negative
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| 1/7/2002 | HY | Oglebay Norton eases covenants, pays more interest on credit facility
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| 12/14/2001 | HY | Moody's downgrades Calpine to junk, still on review
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