Lianhe Global has upgraded the global scale Long-term Issuer Credit Rating of Jiangsu Yangjing Petrochemical Group Co., Ltd. to ‘A’ from ‘A-’; Issuer Rating Outlook Stable

HONG KONG, 23 October 2025 – Lianhe Ratings Global Limited (“Lianhe Global”), an international credit rating company, has upgraded the global scale Long-term Issuer Credit Rating of Jiangsu Yangjing Petrochemical Group Co., Ltd. (“JYPG” or “the company”) to ‘A’ from ‘A-’. The Outlook is stable.