| 9/23/2021 | BKDDHY | S&P raises Boart Longyear
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| 9/13/2021 | BKDDHY | Moody's downgrades Boart Longyear
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| 6/3/2021 | BKDDHY | Moody's cuts Boart Longyear
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| 5/19/2021 | BKDDHY | S&P cuts Boart Longyear
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| 6/23/2020 | DDHY | S&P drops Boart Longyear to SD
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| 5/29/2020 | DDHY | S&P trims Boart Longyear
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| 7/20/2018 | BKDDHY | S&P lifts Boart Longyear to stable
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| 5/29/2018 | DDHY | Moody’s revises Boart to stable
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| 9/13/2017 | DDHY | S&P lifts Boart Longyear, notes
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| 9/7/2017 | DDHY | Moody’s changes Boart Longyear to Caa2-PD/LD
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| 9/1/2017 | DDHY | S&P cuts Boart Longyear, notes
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| 4/6/2017 | BKDDHY | S&P downgrades Boart Longyear
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| 2/10/2017 | BKDDHY | S&P downgrades Boart Longyear, notes
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| 7/14/2016 | BKDDHY | S&P lifts Boart Longyear view to stable
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| 7/13/2016 | BKDDHY | Moody’s drops Boart, notes
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| 2/3/2015 | BKDDHYLM | Boart Longyear gets new $225 million loan, buys back 10% secured notes
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| 10/28/2014 | BKDDHY | Moody's changes Boart outlook to stable
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| 10/24/2014 | BKDDHY | S&P reviews Boart Longyear
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| 10/23/2014 | BKDDHY | Boart Longyear recapitalizes with $225 million loans via Centerbridge, to convert some bonds to stock
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| 7/18/2014 | BKDDHY | S&P drops Boart notes to B-, CCC
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| 6/19/2014 | BKDDHY | Moody’s lowers Boart Longyear
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| 3/6/2014 | BKDDHY | S&P downgrades Boart Longyear
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| 2/27/2014 | BKDDHY | Moody's downgrades Boart, notes
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