Core Viewpoint - The China Securities Index for State-owned Enterprises in Aerospace Technology has shown significant growth over the past month, three months, and year-to-date, indicating a positive trend in the aerospace sector [1]. Group 1: Index Performance - The China Securities Index for State-owned Enterprises in Aerospace Technology opened high but fell by 0.13% to 2557.08 points, with a trading volume of 24.642 billion yuan [1]. - Over the past month, the index has increased by 12.14%, by 16.11% over the last three months, and by 10.25% year-to-date [1]. Group 2: Index Composition - The index comprises 40 representative listed companies from state-owned enterprises involved in aerospace equipment, materials, information, and security [1]. - The index is based on a starting point of 1000.0 points as of December 28, 2018 [1]. Group 3: Top Holdings - The top ten weighted companies in the index are: - Aero Engine Corporation of China (9.36%) - AVIC Xi'an Aircraft Industry (8.68%) - AVIC Optoelectronics (7.37%) - AVIC Shenyang Aircraft Corporation (6.34%) - Hongdu Aviation Industry (5.37%) - Northern Navigation (4.38%) - AVIC Aircraft (3.91%) - AVIC High-tech (3.87%) - Aerospace Electronics (3.77%) - Zhongke Star Map (3.64%) [1]. Group 4: Market Distribution - The market distribution of the index holdings shows that the Shanghai Stock Exchange accounts for 64.38%, the Shenzhen Stock Exchange for 35.02%, and the Beijing Stock Exchange for 0.60% [1]. Group 5: Industry Breakdown - The industry composition of the index holdings is as follows: - Industrial sector: 83.10% - Materials sector: 5.90% - Information technology: 4.91% - Communication services: 4.52% - Consumer discretionary: 1.57% [2]. Group 6: Sample Adjustment - The index samples are adjusted biannually, with adjustments occurring on the next trading day after the second Friday of June and December [2]. - Weight factors are generally fixed until the next scheduled adjustment, with special circumstances allowing for temporary adjustments [2].

Group 1 - The core index, the China Securities National New State-Owned Enterprise Aerospace Technology Index, experienced a decline of 0.6%, closing at 2448.02 points with a trading volume of 12.644 billion yuan [1] - Over the past month, the index has increased by 6.52%, by 10.78% over the last three months, and by 6.04% year-to-date [1] - The index comprises 40 representative listed companies from state-owned enterprises involved in aerospace equipment, materials, information, and security, reflecting the overall performance of state-owned enterprises in the aerospace technology sector [1] Group 2 - The top ten weighted stocks in the index include: Aero Engine Corporation (9.22%), AVIC Xi'an Aircraft Industry (8.54%), AVIC Optoelectronics (7.66%), AVIC Shenyang Aircraft Corporation (5.82%), Hongdu Aviation (4.65%), Northern Navigation (4.31%), AVIC Aircraft (3.97%), AVIC High-Tech (3.96%), Aerospace Electronics (3.90%), and Zhongke Star Map (3.84%) [1] - The market segment distribution of the index holdings shows that the Shanghai Stock Exchange accounts for 63.84%, the Shenzhen Stock Exchange for 35.51%, and the Beijing Stock Exchange for 0.65% [1] - In terms of industry composition, the index holdings are primarily in the industrial sector (82.73%), followed by materials (5.90%), information technology (5.08%), communication services (4.65%), and consumer discretionary (1.65%) [2] Group 3 - The index samples are adjusted biannually, with adjustments occurring on the next trading day after the second Friday of June and December each year [2] - Weight factors are adjusted in accordance with the sample changes, and generally remain fixed until the next scheduled adjustment [2] - In special circumstances, the index may undergo temporary adjustments, such as when a sample company is delisted or undergoes mergers, acquisitions, or splits [2]

Core Viewpoint - The China Securities Index for State-owned Enterprises in Aerospace Technology has shown a mixed performance in the A-share market, with a recent decline but positive growth over the past month, three months, and year-to-date [1] Group 1: Index Performance - The China Securities Index for State-owned Enterprises in Aerospace Technology closed at 2453.88 points, down 0.64% with a trading volume of 17.406 billion [1] - Over the past month, the index has increased by 7.20%, by 18.44% over the last three months, and by 6.34% year-to-date [1] Group 2: Index Composition - The index comprises 40 representative listed companies from state-owned enterprises involved in aerospace technology, including sectors such as aerospace equipment, materials, information, and security [1] - The index was established on December 28, 2018, with a base value of 1000.0 points [1] Group 3: Top Holdings - The top ten weighted companies in the index are: - Aero Engine Corporation (9.24%) - AVIC Xi'an Aircraft Industry (8.48%) - AVIC Optoelectronics (7.72%) - AVIC Shenyang Aircraft Corporation (5.98%) - Hongdu Aviation (4.66%) - Northern Navigation (4.23%) - AVIC Aircraft (3.95%) - AVIC High-tech (3.94%) - Aerospace Electronics (3.91%) - Zhongke Star Map (3.86%) [1] Group 4: Market Distribution - The market distribution of the index holdings shows that the Shanghai Stock Exchange accounts for 63.93%, the Shenzhen Stock Exchange for 35.46%, and the Beijing Stock Exchange for 0.60% [1] Group 5: Industry Breakdown - The industry composition of the index holdings is as follows: - Industrial sector: 82.67% - Materials sector: 5.83% - Information technology: 5.14% - Communication services: 4.70% - Consumer discretionary: 1.67% [2] Group 6: Sample Adjustment - The index samples are adjusted semi-annually, with adjustments occurring 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 special circumstances allowing for temporary adjustments [2]