| 4/10/2025 | BKIG | Moody’s turns positive on Williams Cos.
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| 3/18/2025 | BKIG | S&P upgrades Williams
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| 1/2/2025 | BKIG | Fitch turns Williams view to positive
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| 4/19/2024 | BKIG | S&P revises Williams outlook to positive
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| 10/8/2021 | BK | Williams Cos. amends and restates $3.75 billion credit facility
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| 6/4/2021 | BKIG | Moody's upgrades Williams
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| 1/20/2021 | BKIG | Moody's changes Williams view to positive
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| 5/1/2020 | BKIG | Fitch removes Williams Cos. from positive watch
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| 7/1/2019 | BKIG | S&P revises Williams view to stable
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| 6/7/2019 | BKIG | Fitch might lift Williams
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| 8/21/2018 | BKHYIG | Fitch gives Northwest Pipeline notes BBB
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| 8/10/2018 | BK | Northwest Pipeline terminates 2015 credit agreement via Citibank
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| 8/10/2018 | BKHYIG | Moody’s upgrades Williams notes
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| 7/17/2018 | BK | Northwest Pipeline, other borrowers get $4.5 billion credit facility
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| 5/17/2018 | BKHYIG | Fitch reviews Williams
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| 5/17/2018 | BKHY | S&P reviews Williams, changes view
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| 3/29/2017 | BKIG | Fitch: Northwest notes BBB
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| 3/29/2017 | BKIG | S&P rates Northwest Pipeline notes BBB
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| 1/17/2017 | BKHYIGPF | S&P changes Williams view to stable
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| 1/26/2016 | BKCVHYIGPF | S&P cuts Williams Partners subsidiaries
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| 1/11/2016 | BKCVHYIG | Fitch downgrades Williams, subsidiaries
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| 12/30/2015 | BKCVIG | S&P lowers Williams Partners
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| 12/23/2015 | BK | Williams Partners amends leverage covenants under credit agreement
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| 9/28/2015 | BKCVIG | Fitch might lower Williams
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| 2/3/2015 | BK | Northwest Pipeline amends, restates credit agreement via Citibank
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