Revision of the CSI Hong Kong Stock Connect Artificial Intelligence Theme Index and the CSI Hong Kong Artificial Intelligence Theme Index Compilation Plan

China Securities Index Co., Ltd. has decided to revise the compilation scheme of the CSI Hong Kong Stock Connect Artificial Intelligence Theme Index and the CSI Hong Kong Artificial Intelligence Theme Index. The revision of the CSI Hong Kong Stock Connect Artificial Intelligence Theme Index includes: Revision of the index sample selection method: Select the securities with a daily average total market value ranking in the top 40 over the past year from listed companies whose business involves providing basic resources for artificial intelligence, providing technical support for the development of artificial intelligence technology, and in the field of artificial intelligence applications as index samples; Revision of the weight upper limit rule: The weight of a single sample in the field of artificial intelligence applications is not more than 5%, and the weight of other single samples is not more than 10%; Addition of a regular adjustment ratio limit: The proportion of samples adjusted each time generally does not exceed 20%. The rest of the index compilation scheme remains unchanged. The revision of the CSI Hong Kong Artificial Intelligence Theme Index includes: Revision of the index sample selection method: Select the securities with a daily average total market value ranking in the top 40 over the past year from listed companies whose business involves providing basic resources for artificial intelligence, providing technical support for the development of artificial intelligence technology, and in the field of artificial intelligence applications as index samples; Revision of the weight upper limit rule: The weight of a single sample in the field of artificial intelligence applications is not more than 5%, and the weight of other single samples is not more than 10%; Addition of a regular adjustment ratio limit: The proportion of samples adjusted each time generally does not exceed 20%. The rest of the index compilation scheme remains unchanged.