Shenzhen Stock Exchange: Revision of the GEM Index Compilation Plan

Shenzhen Stock Exchange Announcement: In order to further improve the index compilation method and enhance the investability of the index, Shenzhen Stock Exchange and Shenzhen Securities Information Co., Ltd. have decided to make the following revisions to the compilation scheme of the ChiNext Index: 1. Introduce an ESG negative exclusion mechanism, which excludes stocks with China Securities ESG ratings below B grade at each regular adjustment; 2. In the index calculation, set a weight adjustment factor to ensure that the weight of a single sample stock does not exceed 20% at each regular adjustment. These revisions will be implemented starting from June 16, 2025.