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| 5/13/2025 | CVEM | Moody's gives A1 to Sinopec bonds |
| 10/22/2018 | EM | S&P gives A+ to Sinopec Century Bright notes |
| 12/27/2017 | EM | Moody’s rates Sinopec Century program A1 |
| 4/1/2016 | EM | S&P lowers view on 20 Chinese companies to negative |
| 2/17/2016 | EM | Moody’s could drop Chinese oil companies |
| 1/25/2016 | EM | S&P downgrades Sinopec |
| 4/21/2015 | CVEMIG | Moody’s rates Sinopec notes Aa3 |
| 9/30/2014 | EMIG | S&P ups Sinopec |
| 7/31/2014 | EMIG | S&P: Sinopec on positive watch |
| 3/28/2013 | CVEM | Moody's rates Sinopec Century Bright A1 |
| 3/27/2013 | EM | S&P: Sinopec Century Bright A |