After research, the Shanghai Stock Exchange and China Securities Index Co., Ltd. decided to revise the Shanghai Stock Exchange Index preparation plan. The revisions include: “Hong Kong Stock Connect securities announced by the Shanghai Stock Exchange and screened under the following conditions: Exclude securities that have been listed for less than 1 year, unless the total market value of the securities is in the top 10 of the corresponding market or the company's mainland market securities have been listed for 1 year; exclude securities with an average daily turnover of less than HK$5 million in the past year; calculate the median monthly turnover rate of less than HK$5 million in the past 12 months or 3 months 0.1% Securities, unless the average daily turnover of the securities in the past year was greater than HK$50 million”; the index calculation rules were revised to read: “Adjusted market value =. For exchange rates, calculation methods for capital adjustments, and divisor correction methods, please refer to the calculation and maintenance rules. The weight factor is between 0 and 1 so that no single sample is weighted more than 10%.” ; The regular adjustment rules were revised to read: “The index sample is adjusted every quarter. The sample adjustment is implemented on the next trading day of the second Friday of March, June, September, and December of each year, respectively. The weight factor is adjusted according to the regular adjustment of the sample. The adjustment time is the same as the implementation time of the regular adjustment of the index sample. The weight factor is generally fixed until the next regular adjustment date”; the temporary adjustment rules were revised to read: “Under special circumstances, the index will be temporarily adjusted. When the sample is out of the market, it is removed from the index sample. The sample company handles situations such as acquisitions, mergers, and spin-offs with reference to calculation and maintenance rules. When the scope of the Hong Kong Stock Connect changes and the index sample no longer meets the interoperability requirements, it will be transferred out accordingly”

After research, the Shanghai Stock Exchange and China Securities Index Co., Ltd. decided to revise the Shanghai Stock Exchange Index preparation plan. The revisions include: “Hong Kong Stock Connect securities announced by the Shanghai Stock Exchange and screened under the following conditions: Exclude securities that have been listed for less than 1 year, unless the total market value of the securities is in the top 10 of the corresponding market or the company's mainland market securities have been listed for 1 year; exclude securities with an average daily turnover of less than HK$5 million in the past year; calculate the median monthly turnover rate of less than HK$5 million in the past 12 months or 3 months 0.1% Securities, unless the average daily turnover of the securities in the past year was greater than HK$50 million”; the index calculation rules were revised to read: “Adjusted market value =. For exchange rates, calculation methods for capital adjustments, and divisor correction methods, please refer to the calculation and maintenance rules. The weight factor is between 0 and 1 so that no single sample is weighted more than 10%.” ; The regular adjustment rules were revised to read: “The index sample is adjusted every quarter. The sample adjustment is implemented on the next trading day of the second Friday of March, June, September, and December of each year, respectively. The weight factor is adjusted according to the regular adjustment of the sample. The adjustment time is the same as the implementation time of the regular adjustment of the index sample. The weight factor is generally fixed until the next regular adjustment date”; the temporary adjustment rules were revised to read: “Under special circumstances, the index will be temporarily adjusted. When the sample is out of the market, it is removed from the index sample. The sample company handles situations such as acquisitions, mergers, and spin-offs with reference to calculation and maintenance rules. When the scope of the Hong Kong Stock Connect changes and the index sample no longer meets the interoperability requirements, it will be transferred out accordingly”