YCIH Green High-Performance Concrete Company Limited received the written resignations from Mr. Zhang Yingyue ("Mr Zhang") and Mr. Rao Ye ("Mr. Rao"), the executive Directors, on November 26, 2021. Mr. Zhang resigned as an executive Director and the chairman due to work arrangements. In accordance with the Company Law of the People's Republic of China and the Articles of Association of YCIH Green High-Performance Concrete Company Limited, the relevant resignation shall become effective from the date of the delivery of his written resignation to the Board. Mr. Rao resigned as an executive Director and the deputy chairman due to work arrangements. In accordance with the Company Law and the Articles of Association, the relevant resignation shall become effective from the date of delivery of his written resignation to the Board.