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| 6/3/2025 | BKDD | S&P boosts Plaskolite |
| 2/7/2025 | BKDD | S&P cuts Plaskolite |
| 1/21/2025 | BKDD | Moody's lowers Plaskolite |
| 12/6/2023 | BKDD | S&P cuts Plaskolite |
| 8/15/2023 | BK | S&P ends negative watch on Plaskolite |
| 5/23/2023 | BK | S&P pares Plaskolite PPC |
| 12/9/2022 | BK | Moody's pares Plaskolite |
| 3/10/2021 | BK | S&P ups Plaskolite |
| 2/22/2021 | BK | S&P rates Storable B-, loans B, CCC |
| 2/22/2021 | BK | Moody’s upgrades Plaskolite |
| 11/12/2020 | BK | S&P shifts Plaskolite view to positive |
| 9/18/2020 | BK | Moody’s shifts Plaskolite view to positive |
| 12/11/2019 | BK | S&P cuts Plaskolite PPC |
| 10/21/2019 | BK | Moody’s lowers Plaskolite |
| 11/27/2018 | BK | Moody's rates Plaskolite loans B2 |