Investment News - Three new stocks are available for subscription this week, including Delijia on the main board, Fengbei Biotechnology, and Zhongcheng Consulting on the Beijing Stock Exchange [4] - A total of 52 restricted shares will be unlocked this week, amounting to 4.069 billion shares with a market value of 47.701 billion yuan. Xiamen Bank ranks first in the unlocking list with 9.014 billion yuan, followed by Arrow Home and Weic Technology with 5.146 billion yuan and 4.048 billion yuan respectively [4] - According to CRIC, over 87% of publicly listed REITs reported profits in the first half of the year, with a stable return rate. As of October 21, the total fundraising amount for publicly listed REITs this year reached 41.538 billion yuan, and the total scale of publicly listed REITs in China has reached 207.572 billion yuan [4] - Recently, "B-type" stocks in Hong Kong have become the main targets for reduction by pharmaceutical fund managers. Analysts suggest that the internal differentiation of innovative drugs will accelerate, and the previous strategy of buying into the sector will gradually become ineffective, leading to a focus on stock selection based on commercialization capabilities [4] - Since the launch of the first batch of securities companies' sci-tech bonds in May, the issuance scale of these bonds has steadily increased. As of October 24, the issuance scale of securities companies' sci-tech bonds this year reached 59.17 billion yuan, with expectations for continued rapid growth supported by relevant policies [4] Company Developments - Huawei updated its management information, with Yu Chengdong appointed as the chairman of the Product Investment Committee while continuing to serve as an executive director and chairman of the terminal BG, overseeing Huawei's terminal and HarmonyOS business [5] - WuXi AppTec reported third-quarter revenue of 12.057 billion yuan, a year-on-year increase of 15.26%, and a net profit of 3.515 billion yuan, up 53.27%. The company plans to sell 100% equity of Kande Hongyi and Jinshi Pharmaceutical to Hillhouse Capital for 2.8 billion yuan [6] - Laopu Gold announced its third price adjustment of the year, with multiple products seeing price increases exceeding 20%. For instance, the price of the Cross Gold Vajra No. 1 (8.39 grams) was adjusted to 18,500 yuan, an increase of 3,500 yuan, representing a 23.33% rise [6] - The domestic white cardboard market is experiencing a new round of concentrated price adjustments, with companies like Bohui Paper, Jiu Long Paper, and Wanguo Paper announcing a unified price increase of 200 yuan per ton for their white cardboard products starting November 1 [6] - Yingtang Zhikong is planning to acquire 100% equity of Guanglong Integration and 76% equity of Aojian Microelectronics, with its stock set to be suspended from trading starting October 27 [6] - Porsche reported a third-quarter loss of 966 million euros (approximately 8 billion yuan), leading to a significant 99% year-on-year decline in sales profit for the first three quarters. The company announced delays in the launch of certain electric vehicle models and extended the market lifecycle of several fuel and hybrid models, incurring an additional expense of approximately 2.7 billion euros (about 22.4 billion yuan) due to restructuring measures [6]

Group 1 - The article discusses the current status and trends of public REITs in China, indicating that they are entering a new era and may assist real estate companies in strategic transformation [5] - The Fourth Plenary Session emphasizes high-quality development in real estate, proposing new models and focusing on "good housing" as a fundamental aspect [7] - The second-hand housing market in major cities like Beijing, Shanghai, Shenzhen, and Hangzhou shows a significant increase in high-priced listings, although overall transaction volumes are expected to remain volatile [7] Group 2 - Industry data reveals a narrowing decline in housing prices and a year-on-year increase in construction completions, suggesting a stabilization in the industry, although further efforts are needed [7] - The land supply and demand scale remains low, with a slight increase in land transaction volume and a premium rate of 1.6%, indicating that only a few quality plots are experiencing localized heat [9] - A joint statement from the Ministry of Housing and Urban-Rural Development and other departments outlines a top-level approach to urban development, focusing on resilient city infrastructure [10] Group 3 - CIFI Construction Management expanded its project portfolio by 17 new projects in Q3 2025, while New Town Construction Management signed contracts for over 570,000 square meters [11] - The article highlights the successful sales of lighthouse strategic benchmark projects by CIFI, with expectations for several new projects to enter the market in Q4, indicating potential future growth [7][11]

1. Report Industry Investment Rating No information regarding the industry investment rating is provided in the given content. 2. Core View of the Report - Market liquidity continues to improve, but attention should be paid to the selling pressure brought by concentrated share unlocks. The market showed a mixed trend this week, with the first three days in adjustment and the last two days in recovery. There was sector differentiation, with data centers and environmental protection and water services leading the gains, while consumption and affordable housing sectors led the losses. As it is the window period for the third - quarter reports (expected to be released next week), market trading activity is increasing. However, the pressure of strategic placement share unlocks in REITs needs to be watched. On October 29th, 46% of the shares of Huatai Baowan Logistics REIT will be unlocked (approximately 603 million yuan), and about 7.5 billion yuan worth of shares are expected to be unlocked in November (a total of 5 REITs, with the unlocked share ratio ranging from 18.1% to 55.8%), which may bring certain selling pressure. [3] - As of October 24, 2025, 18 new public REITs have been successfully issued this year, with a total issuance scale of 36.34 billion yuan, a year - on - year decrease of 24.2%. Two new public REITs made progress this week, with the establishment of CITIC Construction Investment Shenyang International Software Park REIT and Huaxia Zhonghai Commercial REIT. [4] 3. Summary According to the Directory 3.1 First - level Market: Two New Public REITs Made Progress - This year, 18 public REITs have been successfully issued (6 in Q1, 4 in Q2, 6 in Q3, and 2 in October), with a total issuance scale of 36.34 billion yuan, a year - on - year decrease of 24.2%. Two new public REITs, CITIC Construction Investment Shenyang International Software Park REIT and Huaxia Zhonghai Commercial REIT, were established this week. [4] - As of October 24, 2025, in the current approval process, there are 10 newly - applied REITs, 3 of which have been queried and responded, 3 have passed the review, and 3 are registered and awaiting listing. For expansion, 5 have been applied, 3 have been queried and responded, and 2 have passed the review. [4] 3.2 Second - level Market: Liquidity Increased This Week 3.2.1 Market Review: The CSI REITs Total Return Index Fell 0.16% - The CSI REITs Total Return Index (932047.CSI) closed at 1045.13 points this week, with a decline of 0.16%, underperforming the CSI 300 by 3.08 percentage points and the CSI Dividend by 0.89 percentage points. The year - to - date increase of the CSI REITs Total Return Index is 7.98%, underperforming the CSI 300 by 10.46 percentage points and outperforming the CSI Dividend by 6.66 percentage points. [4] - By project attribute, property - type REITs fell 0.13%, while franchise - type REITs rose 0.46%. By asset type, data centers (+1.40%), environmental protection and water services (+1.32%), transportation (+0.47%), and warehousing and logistics (+0.36%) sectors performed well. [4] 3.2.2 Liquidity: Both Turnover Rate and Trading Volume Increased - The average daily turnover rates of property - type and franchise - type REITs this week were 0.53% and 0.47% respectively, an increase of 13.70 and 11.36 basis points compared to last week. The trading volumes this week were 496 million and 134 million shares respectively, with a week - on - week increase of 35.73% and 31.88%. The data center sector had the highest activity. [4] 3.2.3 Valuation: The Affordable Housing Sector Had a Higher Valuation - From the perspective of ChinaBond valuation yields, the yields of property - type and franchise - type REITs were 3.93% and 4.07% respectively. The warehousing and logistics (5.40%), transportation (4.93%), and park (4.48%) sectors ranked among the top three. [4] 3.3 This Week's News and Important Announcements - **News**: On October 22nd, Shenghao Group initiated the issuance of communication tower infrastructure public REITs, and companies such as China Merchants Fund had in - depth discussions on including communication towers as a new asset type in the REITs pilot scope. On October 23rd, the Guangzhou government supported the issuance of REITs for eligible consumption and cultural tourism projects; the Qingcheng Mountain - Dujiangyan Scenic Area launched the selection of asset appraisal institutions for its REITs; the Putuo District government approved the public REITs project of Zhoushan International Aquatic City; Hunan Province solicited opinions on promoting the issuance of REITs for urban renewal projects. [34] - **Announcements**: Several REITs released their September operation data, including China Merchants Expressway REIT, Huatai Jiangsu Expressway REIT, etc. Huatai Baowan Logistics REIT and CICC Liandong Science and Technology Innovation REIT announced share unlocks. [34]

Group 1: Report Industry Investment Rating - No relevant content provided Group 2: Core Viewpoints of the Report - This week (2025/10/20 - 2025/10/24), the REITs weighted index rose 0.09% to 97.53 points. The performance of major asset classes from high to low was: crude oil > stocks > convertible bonds > REITs > pure bonds > gold. Among REITs, data centers, ecological environmental protection, and highways showed better performance [2]. - In terms of valuation, as of this Friday, the top three products in terms of internal rate of return (IRR) for equity - type REITs were CICC Hubei Ketou Optics Valley REIT, E Fund Guangkai Industrial Park REIT, and Huaxia Heda Gaoke REIT, with corresponding IRRs of 8.09%, 7.21%, and 6.89% respectively. For franchise - type REITs, the top three were Huaxia China Communications Construction REIT, Ping An Guangzhou Guanghe REIT, and CICC Anhui Expressway REIT, with corresponding IRRs of 9.93%, 9.35%, and 7.08% respectively [4][28][31]. Group 3: Summary According to Relevant Catalogs 3.1 Secondary Market Price - Volume Performance - **Overall Market Performance**: The REITs weighted index rose 0.09%, while equity - type REITs fell 0.04% and franchise - type REITs rose 0.42%. By industry type, data centers, ecological environmental protection, and highways had relatively high returns [2]. - **Equity - Type REITs**: The top five in terms of increase were AVIC Yishang Warehouse Logistics REIT (3.58%), Huatai Suzhou Hengtai Rental Housing REIT (2.30%), Huaxia Beijing Affordable Housing REIT (2.21%), Hongtu Innovation Shenzhen Affordable Housing REIT (2.18%), and Hua'an Zhangjiang Industrial Park REIT (2.11%). High - turnover products included Huatai Baowan Logistics REIT, China Merchants Fund Shekou Rental Housing REIT, etc. [3][12]. - **Franchise - Type REITs**: The top five in terms of increase were ICBC Inner Mongolia Energy Clean Energy REIT (4.06%), Zheshang Shanghai - Hangzhou - Ningbo REIT (3.23%), Yin Hua Shaoxing Raw Water Hydraulic REIT (3.23%), Harvest China Power Construction Clean Energy REIT (2.42%), and Huatai Jiangsu Expressway REIT (1.85%). High - turnover products included Huatai Jiangsu Expressway REIT, Huaxia Tebian Electric Apparatus Stock Co., Ltd. New Energy REIT, etc. [3][14]. - **Block Trading**: There were 5 block trading days this week, with the highest block trading volume on Wednesday at 38.4782 million yuan. The top five in terms of block trading turnover were CICC Chongqing Liangjiang REIT, Southern SF Logistics REIT, Huaxia China Communications Construction REIT, China Merchants Fund Shekou Rental Housing REIT, and Hongtu Innovation Shenzhen Affordable Housing REIT [23]. 3.2 Secondary Market Valuation Situation - **Equity - Type REITs**: The top three in terms of IRR were CICC Hubei Ketou Optics Valley REIT, E Fund Guangkai Industrial Park REIT, and Huaxia Heda Gaoke REIT. Some products had lower P/FFO than the industry average. The top three undervalued products in terms of P/NAV were E Fund Guangkai Industrial Park REIT, Huatai - PineBridge Shanghai Real Estate Rental Housing REIT, and CICC China Green Development Commercial REIT [4][28]. - **Franchise - Type REITs**: The top three in terms of IRR were Huaxia China Communications Construction REIT, Ping An Guangzhou Guanghe REIT, and CICC Anhui Expressway REIT. Some products had lower P/FFO than the industry average. The top three undervalued products in terms of P/NAV were Huaxia Yuexiu REIT, Huaxia Huadian Clean Energy REIT, and Huaxia Nanjing Transportation Expressway REIT [4][31]. 3.3 Market Correlation Statistics - REITs had the highest correlation coefficient with the Shanghai Composite Index this week, at 0.20. The correlation coefficients with other major asset classes were also provided, such as 0.18 with the CSI 300, 0.11 with the ChiNext Index, etc. [32]. 3.4 Primary Market Tracking - As of October 24, 2025, there were 9 REIT products still in the exchange acceptance stage and 3 approved but not yet listed [5].

Group 1: Capital Empowerment for Innovation - The core theme of the event was "Capital Empowering the Future of Innovation," focusing on connecting quality projects with funding and attracting external capital to support the modernization of the industrial system in Shenyang [1] - Experts emphasized the importance of venture capital in identifying high-growth opportunities amidst uncertainty, with a call for precise matching, patient support, and policy backing for early-stage tech projects [3][4] Group 2: Public REITs as a Tool for Asset Activation - Public REITs are emerging as innovative financial tools to inject liquidity into local economies, with Shenyang being the first city in Northeast China to apply for public REITs [5] - The successful issuance of REITs requires collaboration among government, institutions, and enterprises, highlighting the importance of asset management and compliance in the process [6] Group 3: Private Equity Funds for Industrial Integration - Private equity funds are transitioning from traditional financial investments to actively facilitating industrial integration, which can revitalize traditional and underperforming enterprises through mergers and acquisitions [7] - The integration process should focus on market-driven resource allocation and enhancing management capabilities to foster new growth in industries like semiconductors and new materials [8]

Core Insights - The implementation of the Housing Rental Regulations has led to a new development opportunity in the rental industry, with market order becoming more standardized and policy benefits gradually being released [1][2] Group 1: Market Dynamics - The shift in supply and demand dynamics is central to the industry's transformation, driven by both policy and market forces [1] - The introduction of guaranteed rental housing has expanded both the quality and quantity of available housing, increasing financial support for more participants and enhancing the overall quality of housing [1][2] Group 2: Compliance and Efficiency - Compliance and efficiency are foundational to the industry's restructuring, with companies needing to adopt technological measures to ensure the authenticity of housing information and compliance with regulations [2] - The regulations are expected to eliminate non-compliant companies, leaving those that genuinely focus on user needs [2] Group 3: Service and Product Innovation - Changes in tenant demands are reflected in service upgrades and adjustments in product structure, with new projects needing to emphasize quality and spatial design [2] - Companies are increasingly integrating various asset types (long-term rentals, commercial, elderly care, office spaces) to provide comprehensive living solutions [2] Group 4: Social Value and Community Engagement - The new rental era requires companies to balance economic and social value, transitioning from landlords to micro-city operators that cater to specific community needs [2] - Attention to details such as charging needs for delivery personnel and breakfast supply reflects the importance of service quality in the new rental landscape [2] Group 5: Asset Valuation - The introduction of public REITs has altered valuation logic, with cash flow stability becoming a core indicator for asset valuation [3] - Uncertainties regarding land tenure and renewal policies are identified as major bottlenecks, necessitating improvements in operational efficiency and service enhancement to boost market recognition during asset exit [3]

一、公募REITs 基本信息 ■ 二、基础设施项目公司完成权属变更登记情况 中信建投沈阳国际软件园封闭式基础设施证券投资基金（以下简称"本基金"）的基金合同自2025年10月 20日起生效。截至本公告发布日，本基金已认购"中信建投沈阳国际软件园1期资产支持专项计划"（以 下简称"专项计划"）全部份额，专项计划管理人中信建投证券股份有限公司代表专项计划已取得沈阳庆 誉企业管理有限公司（以下简称"沈阳庆誉"）、沈阳仁泽企业管理有限公司（以下简称"沈阳仁泽"）与 沈阳鸿创企业管理有限公司（以下简称"沈阳鸿创"）（"沈阳庆誉""沈阳仁泽""沈阳鸿创"合称SPV公 司）全部股权，沈阳庆誉已取得沈阳国际软件园启元园区发展有限公司（项目公司）全部股权，沈阳仁 泽已取得沈阳国际软件园亨达园区发展有限公司（项目公司）全部股权，沈阳鸿创已取得沈阳国际软件 园永利园区发展有限公司（项目公司）全部股权，有关权属变更工商登记手续已完成。 本次权属变更登记完成后，本基金通过专项计划和SPV公司已合法拥有基础设施项目资产，待交割审计 完成后基金管理人将及时公告有关情况。 中信建投基金管理有限公司 2025年10月24日 特此公告。 ...

Market Overview - The bond market sentiment improved last week (2025.10.13-2025.10.17), with yields fluctuating. The 1-year government bond yield rose by 5.93 basis points to 1.44%, while the 10-year yield fell by 1.4 basis points to 1.82%, and the 30-year yield decreased by 7 basis points to 2.20%. The overall weak stock market and the central bank's release of liquidity contributed to the rebound of long-term bonds, leading the bond market [3][14]. - The U.S. Treasury yields also declined last week, with the 1-year yield down by 4 basis points to 3.56%, the 2-year yield down by 6 basis points to 3.46%, and the 10-year yield down by 3 basis points to 4.02%. The decline was influenced by dovish comments from the Federal Reserve Chairman and concerns about the U.S. regional banking system [14]. Public Fund Market Dynamics - On October 14, the CITIC Construction Investment Shenyang International Software Park closed-end infrastructure securities investment fund (referred to as "Shenyang International Software Park REIT") successfully completed its fundraising, marking the first public REIT project successfully issued in Northeast China. The initial assets of the Shenyang International Software Park REIT consist of 13 industrial buildings in Shenyang, with a total property area of 201,200 square meters, primarily focused on research and development office space [17][16]. Fund Index Performance Tracking - The Money Enhanced Index rose by 0.03% last week, with a cumulative return of 4.19% since inception [4][19]. - The Short-term Bond Fund Index increased by 0.05%, with a cumulative return of 4.32% since inception [5][19]. - The Medium to Long-term Bond Fund Index rose by 0.16%, with a cumulative return of 6.23% since inception [6][19]. - The Low Volatility Fixed Income + Fund Index fell by 0.06%, with a cumulative return of 3.93% since inception [7][19]. - The Medium Volatility Fixed Income + Fund Index decreased by 0.85%, with a cumulative return of 4.69% since inception [8][19]. - The High Volatility Fixed Income + Fund Index dropped by 1.00%, with a cumulative return of 6.70% since inception [9][19]. - The Convertible Bond Fund Index fell by 2.61%, with a cumulative return of 19.80% since inception [10][19]. - The QDII Bond Fund Index rose by 0.18%, with a cumulative return of 10.57% since inception [11][19]. - The REITs Fund Index decreased by 2.43%, with a cumulative return of 31.01% since inception [12][19].

Report Industry Investment Rating There is no information provided in the report regarding the industry investment rating. Core Viewpoints - This week, the China Securities REITs Index declined by 1.5%. The average weekly price - change rates of property - type REITs and franchise - type REITs were - 1.6% and - 0.9% respectively. The weekly price - change comparison of major indices shows that China Securities All - Bond Index > China Securities REITs Index > CSI 300 Index > China Securities Convertible Bond Index. Most sectors closed down, with water conservancy facilities, affordable housing, and warehousing and logistics leading the decline [1]. - As of October 17, 2025, the dividend yield of property REITs was 76 basis points higher than the average dividend yield of CSI Dividend stocks, and the spread between the average internal rate of return of franchise - type REITs and the 10 - year Treasury yield was 216 basis points [1]. - On October 16, the release results of Huaxia Zhonghai Commercial REIT and CITIC Construction Shenyang International Software Park REIT were announced. The total subscription amount of the two public REITs exceeded 200 billion yuan [1][4]. Summary by Relevant Catalogs Secondary Market Trends - As of October 17, 2025, the closing price of the China Securities REITs (closing) Index was 814.73 points, with a weekly price - change rate of - 1.5%. It performed worse than the China Securities All - Bond Index (+0.3%) but better than the China Securities Convertible Bond Index (-2.4%) and the CSI 300 Index (-2.2%). Year - to - date, the price - change ranking of major indices is: CSI 300 (+14.7%) > China Securities Convertible Bond (+14.4%) > China Securities REITs (+3.2%) > China Securities All - Bond (+0.4%) [2][6]. - In the past year, the return rate of the China Securities REITs Index was 4.4% with a volatility of 7.2%. Its return rate was lower than that of the CSI 300 Index and the China Securities Convertible Bond Index but higher than that of the China Securities All - Bond Index. Its volatility was lower than that of the CSI 300 Index and the China Securities Convertible Bond Index but higher than that of the China Securities All - Bond Index. The total market value of REITs decreased to 217.4 billion yuan on October 17, a decrease of 2.9 billion yuan from the previous week. The average daily turnover rate for the whole week was 0.39%, an increase of 0.08 percentage points from the previous week [2][7]. - Most sectors closed down, with water conservancy facilities, affordable housing, and warehousing and logistics leading the decline. The top three REITs in terms of weekly gains were China Merchants Expressway REIT (+1.65%), Huatai - PineBridge Jiuzhitong Pharmaceutical REIT (+0.99%), and Harvest China Power Construction Clean Energy REIT (+0.71%) [3][14][17]. - Among different project types, new infrastructure REITs had the highest daily turnover rate during the period, with an average daily turnover rate of 2.3%. Transportation infrastructure REITs had the highest trading volume proportion this week, accounting for 18.8% of the total REITs trading volume. The top three REITs in terms of net inflow of main funds were Huaxia Kaide Commercial REIT (7.49 million yuan), CICC Yinli Consumption REIT (5.11 million yuan), and Huaxia Fund China Resources Youchao REIT (4.2 million yuan) [3][20][21]. Primary Market Issuance - From the beginning of the year to October 19, 2025, there were 2 REITs products in the "accepted" stage, 1 in the "declared" stage, 1 in the "in - query" stage, 5 in the "feedback - received" stage, 7 in the "approved and pending listing" stage, and 12 first - issued products that had been approved and listed on the exchange [23]. Valuation Tracking - REITs have both bond and equity characteristics. As of October 17, the average annualized cash distribution rate of public REITs was 6.6%. Different valuation indicators are used from the bond and equity perspectives. The relative net - value premium/discount rate, IRR, and P/FFO are used to judge the valuation of REITs [25]. - The relative net - value premium/discount rate, P/FFO, IRR, and annualized dividend rate vary among different project types. For example, the relative net - value premium rate of affordable housing REITs was 39.5%, with a P/FFO of 34.7, an IRR of 3.6%, and an annualized dividend rate of 3.4% [26]. - Property - type REITs focus on dividend yield, while franchise - type REITs focus on internal rate of return. As of October 17, 2025, the dividend yield of property REITs was 76 basis points higher than the average dividend yield of CSI Dividend stocks, and the spread between the average internal rate of return of franchise - type REITs and the 10 - year Treasury yield was 216 basis points [28]. Industry News - On October 16, Huaxia Zhonghai Commercial REIT announced that the effective subscription application confirmation ratios of public investors and offline investors were 0.2763% and 0.3120% respectively, corresponding to effective subscription multiples of 361.9 times and 320.5 times. The total pre - ratio - allocation raised amount was 159.33 billion yuan, 100.5 times its planned raised amount [34]. - On the same day, CITIC Construction Shenyang International Software Park REIT announced its subscription results. Before ratio allocation, the total effective subscription amount was approximately 44.434 billion yuan. It is the first successfully issued public REITs project in Northeast China [34].

Core Insights - The public REITs market has seen a surge in demand, with multiple funds selling out in a single day, indicating strong investor interest [1][2] Group 1: Fund Performance - On October 14, the 华夏中海商业REIT announced that its public offering was sold out in one day, with effective subscriptions reaching approximately 201.9 billion shares, translating to a pre-allocation fundraising scale of about 1066.21 billion yuan [1] - The public offering for 华夏中海商业REIT saw a subscription rate of 361.9 times the initial offering, with a pre-allocation fundraising scale of approximately 516 billion yuan [1] - Similarly, 中信建投沈阳国际软件园REIT also ended its public offering early due to exceeding the initial fundraising limit, with effective subscriptions amounting to approximately 444.34 billion yuan [2] Group 2: New Developments in REITs - The 易方达广西北投高速公路REIT has been officially submitted for approval, marking the first public REIT project from Guangxi to be submitted to the exchange [2] - 华夏基金 has received approval from the China Securities Regulatory Commission for its application to change the registration of the 华夏华润商业资产封闭式基础设施证券投资基金, which aims to acquire three projects located in Hangzhou, Shenyang, and Zibo [3] Group 3: Policy Support - The National Development and Reform Commission has issued a notice to enhance the regular application and recommendation process for infrastructure REITs, aiming to simplify the approval process for new projects [4] - The expansion mechanism is expected to provide more quality financial products for small and medium investors, contributing to the formation of a scale effect in the market [4] - Increased policy support for expansion is anticipated to lead to more infrastructure REITs focusing on transportation, energy, logistics, and rental housing, potentially creating a nationally influential capital operation platform [4]