Group 1 - The announcement by Shanghai Clearing House ensures the smooth payment of interest and principal for Huabei Construction Investment Holding Group Co., Ltd.'s 2022 fourth phase medium-term notes [1] - The issued amount of the notes is RMB 500 million, with an interest rate of 3.8% for the current interest period [1] - The total amount to be repaid on the due date is RMB 519 million, with the repayment date set for August 18, 2025 [1] Group 2 - The notes have a maturity period of 3 years, starting from the interest commencement date of August 18, 2022 [1] - The latest rating for the notes is AA+, indicating a strong credit quality [1] - The registration and custody of the notes are managed by the Interbank Market Clearing House Co., Ltd. [1]