The Shenzhen Stock Exchange and Shenzhen Securities Information Co., Ltd. plan to revise the compilation scheme of the ChiNext Mid Cap 200 and other three indexes.

In order to further improve the index compilation method and enhance the investability of the indices, the Shenzhen Stock Exchange and Shenzhen Securities Information Co., Ltd. have decided to revise the compilation schemes of the ChiNext 200 Index, ChiNext 300 Index, and ChiNext 300 Index as follows: 1. ChiNext 200 Index: firstly, the index name will be revised to ChiNext 200 Index, while the index abbreviation remains unchanged; secondly, the selection method will be revised to exclude the stocks ranked in the bottom 10% in terms of average daily trading volume in the past six months, stocks with a China Securities ESG rating below B, ChiNext index sample stocks, and stocks with total market value ranked in the top 70 in the sample space in the past six months; then, the remaining stocks in the sample space will be sorted in descending order of total market value in the past six months, and the top 200 stocks will be selected as index sample stocks; thirdly, the sample stock adjustment rule will be revised to remove the sample stocks announced to be subject to risk warnings from the index starting from the next trading day after the second Friday of the month following the announcement, and the stocks ranking highest in the alternate sample stock list will be selected to replace them. 2. ChiNext 300 Index: firstly, the index name and abbreviation will be revised to ChiNext 500 Index and ChiNext 500, respectively; secondly, the selection method will be revised to exclude the stocks ranked in the bottom 10% in terms of average daily trading volume in the past six months, stocks with a China Securities ESG rating below B, ChiNext index sample stocks, ChiNext 200 Index sample stocks, and stocks with total market value ranked in the top 210 in the sample space in the past six months; then, the remaining stocks in the sample space will be sorted in descending order of total market value in the past six months, and the top 500 stocks will be selected as index sample stocks; thirdly, the sample stock adjustment rule will be revised to remove the sample stocks announced to be subject to risk warnings from the index starting from the next trading day after the second Friday of the month following the announcement, and the stocks ranking highest in the alternate sample stock list will be selected to replace them. 3. ChiNext 300 Index: the selection method will be revised to combine the sample stocks of ChiNext Index and ChiNext 200 Index to form the sample stocks of ChiNext 300 Index. This article is excerpted from the "Shenzhen Stock Exchange Official Website", edited by GMTEight: Xu Wenqiang.