Group 1 - The Shanghai Composite Index opened high and fluctuated, with the CSI 300 Pharmaceutical and Biotechnology Index reported at 7798.06 points [1] - The CSI 300 Pharmaceutical and Biotechnology Index has increased by 4.26% in the past month, 2.71% in the past three months, and 4.75% year-to-date [1] - The CSI 300 Index samples are categorized into 11 primary industries, 35 secondary industries, over 90 tertiary industries, and more than 200 quaternary industries [1] Group 2 - The top ten weights in the CSI 300 Pharmaceutical and Biotechnology Index are: Heng Rui Medicine (25.23%), WuXi AppTec (16.45%), Pian Zai Huang (6.51%), Yunnan Baiyao (5.3%), Kelun Pharmaceutical (5.04%), East China Pharmaceutical (3.91%), New Horizon (3.59%), Changchun High-tech (3.57%), Shanghai Raist (3.34%), and Fosun Pharmaceutical (3.18%) [1] - The market share of the CSI 300 Pharmaceutical and Biotechnology Index is 63.57% from the Shanghai Stock Exchange and 36.43% from the Shenzhen Stock Exchange [2] - The industry composition of the index includes: Chemical drugs (43.24%), Pharmaceutical and Biotechnology services (21.56%), Traditional Chinese medicine (18.83%), and Biological drugs (16.37%) [2] Group 3 - The index samples are adjusted every six months, with adjustments implemented on the next trading day after the second Friday of June and December each year [2] - Weight factors are generally fixed until the next scheduled adjustment, with temporary adjustments made when the CSI 300 Index samples are modified [2] - Special events affecting sample companies may lead to changes in industry classification and subsequent adjustments to the CSI 300 industry index samples [2]

Group 1 - The Shanghai Composite Index opened lower and the CSI 300 Pharmaceutical and Biotechnology Index reported 7459.13 points [1] - The CSI 300 Pharmaceutical and Biotechnology Index has decreased by 3.80% over the past month, increased by 3.37% over the past three months, and has risen by 0.20% year-to-date [1] - The CSI 300 Index categorizes its 300 sample stocks into 11 primary industries, 35 secondary industries, over 90 tertiary industries, and more than 200 quaternary industries [1] Group 2 - The top ten holdings in the CSI 300 Pharmaceutical and Biotechnology Index are: Heng Rui Medicine (24.67%), WuXi AppTec (16.06%), Pian Zai Huang (6.84%), Yunnan Baiyao (5.71%), Kelun Pharmaceutical (4.69%), New Horizon (3.81%), East China Pharmaceutical (3.6%), Shanghai Raist (3.44%), Fosun Pharma (3.37%), and Changchun High-tech (3.18%) [1] - The market share of the CSI 300 Pharmaceutical and Biotechnology Index is 63.43% from the Shanghai Stock Exchange and 36.57% from the Shenzhen Stock Exchange [2] - The industry composition of the index includes: chemical drugs (42.67%), pharmaceutical and biotechnology services (21.27%), traditional Chinese medicine (19.68%), and biological drugs (16.38%) [2] Group 3 - The index samples are adjusted every six months, with adjustments implemented on the next trading day after the second Friday of June and December each year [2] - Weight factors are adjusted along with the sample adjustments, which are generally fixed until the next scheduled adjustment [2] - Temporary adjustments occur when the CSI 300 Index samples are modified, and changes in industry classification due to special events will also lead to corresponding adjustments in the CSI 300 industry index [2]

Core Points - The Shanghai Composite Index opened lower and the CSI 300 Pharmaceutical and Biotechnology Index reported 7479.61 points [1] - The CSI 300 Pharmaceutical and Biotechnology Index has decreased by 0.64% in the past month, increased by 3.66% over the last three months, and has risen by 0.48% year-to-date [1] Industry Composition - The CSI 300 Pharmaceutical and Biotechnology Index is composed of 11 primary industries, 35 secondary industries, over 90 tertiary industries, and more than 200 quaternary industries [1] - The index is based on the performance of all securities in the CSI 300 Index classified by industry, with a base date of December 31, 2004, and a base point of 1000.0 [1] Index Holdings - The top ten holdings in the CSI 300 Pharmaceutical and Biotechnology Index are: - Heng Rui Medicine (24.75%) - WuXi AppTec (15.82%) - Pian Zai Huang (6.85%) - Yunnan Baiyao (5.7%) - Kelun Pharmaceutical (4.68%) - New Horizon (3.79%) - East China Pharmaceutical (3.64%) - Shanghai Raist (3.44%) - Fosun Pharma (3.38%) - Changchun High-tech (3.17%) [1] Market Distribution - The market distribution of the CSI 300 Pharmaceutical and Biotechnology Index shows that the Shanghai Stock Exchange accounts for 63.33% and the Shenzhen Stock Exchange accounts for 36.67% [2] Sector Breakdown - The sector breakdown of the index holdings indicates that: - Chemical drugs account for 42.69% - Pharmaceutical and biotechnology services account for 21.06% - Traditional Chinese medicine accounts for 19.74% - Biological drugs account for 16.51% [2] Sample Adjustment - The index samples are adjusted every six months, with adjustments implemented on the next trading day after the second Friday of June and December each year [2] - Weight factors are adjusted in accordance with sample changes, and any special events affecting a sample company's industry classification will lead to corresponding adjustments in the index [2]

Group 1 - The Shanghai Composite Index opened high and the CSI 300 Pharmaceutical and Biotechnology Index reported 7370.94 points [1] - The CSI 300 Pharmaceutical and Biotechnology Index has decreased by 1.33% in the past month, increased by 5.20% in the past three months, and decreased by 0.98% year-to-date [1] - The CSI 300 Index is categorized into 11 primary industries, 35 secondary industries, over 90 tertiary industries, and more than 200 quaternary industries [1] Group 2 - The top ten weights in the CSI 300 Pharmaceutical and Biotechnology Index are: Heng Rui Medicine (24.17%), WuXi AppTec (14.58%), Pian Zai Huang (6.92%), Yunnan Baiyao (5.68%), Kelun Pharmaceutical (5.11%), East China Pharmaceutical (3.63%), New Hope Liuhe (3.58%), Shanghai Raas (3.57%), Changchun High-tech (3.53%), and Fosun Pharma (3.39%) [1] - The market share of the CSI 300 Pharmaceutical and Biotechnology Index is 61.98% from the Shanghai Stock Exchange and 38.02% from the Shenzhen Stock Exchange [2] - The industry composition of the index includes: chemical drugs (42.08%), traditional Chinese medicine (20.00%), pharmaceutical and biotechnology services (19.84%), and biological drugs (18.08%) [2] Group 3 - The index samples are adjusted every six months, with adjustments implemented on the next trading day after the second Friday of June and December each year [2] - Weight factors are generally fixed until the next scheduled adjustment, with temporary adjustments made when the CSI 300 Index samples are modified [2] - Special events affecting sample companies may lead to adjustments in the industry classification of the CSI 300 Industry Index [2]