The Board of YCIH Green High-Performance Concrete Company Limited announced that on October 16, 2023, it received written resignations from Mr. Jiang and Mr. Liu, the non-executive Directors. The company announced that Each of Mr. Jiang and Mr. Liu resigned as non-executive Directors due to work adjustments. In accordance with the Company Law and the Articles of Association, the relevant resignations shall become effective from the date of the delivery of the written resignations to the Board.

After the abovementioned resignations become effective, the number of the Board members will be reduced from 9 to 7, which will not fall below the statutory minimum number of the Board members stipulated in the Company Law, and the resignations of Mr. Jiang and Mr. Liu will not have any impact on the normal operation of the Company. After the abovementioned resignations become effective, Mr. Jiang will also no longer serve as a member of the audit committee, a member of the remuneration and evaluation committee and a member of the risk management and control committee of the Board, and Mr. Liu will also no longer serve as a member of the audit committee, a member of the strategy committee and a member of the risk management and control committee of the Board. The composition of each special committee of the Board still complies with the requirements of the Rules Governing the Listing of Securities on The Stock Exchange of Hong Kong Limited (the "Listing Rules") and the terms of reference of the relevant special committees of the Company.