Core Insights - A total of 30 companies conducted share buybacks on November 27, 2025, with Tencent Holdings (00700) leading in both the number of shares repurchased and the total amount spent [1][2]. Group 1: Buyback Details - Tencent Holdings (00700) repurchased 1.036 million shares for a total of 636 million [2]. - Midea Group (00300) repurchased 1.2524 million shares for approximately 99.9944 million [2]. - China Petroleum & Chemical Corporation (00386) repurchased 9.01 million shares for about 40.2765 million [2]. Group 2: Cumulative Buyback Data - Tencent Holdings has a cumulative buyback of 78.922 million shares, representing 0.859% of its total share capital [2]. - China Flying Crane (06186) has a cumulative buyback of 18.7 million shares, accounting for 2.063% of its total share capital [2]. - VITASOY International (00345) has a cumulative buyback of 13.93 million shares, which is 1.327% of its total share capital [2].

Group 1 - The State Intellectual Property Office of China has granted a patent to China Petroleum & Chemical Corporation for a method and system for preparing suspended tetrahydrodicyclopentadiene, with the authorization announcement number CN 115991629 B, and the application date being October 2021 [1] - China Petroleum & Chemical Corporation, established in 2000 and located in Beijing, primarily engages in oil and gas extraction, with a registered capital of 12,173,968.9893 million RMB [1] - The company has made investments in 268 enterprises, participated in 5,000 bidding projects, holds 45 trademark registrations, and possesses 5,000 patent records, along with 41 administrative licenses [1]

Core Viewpoint - China Petroleum & Chemical Corporation (Sinopec) has been actively repurchasing its shares, indicating a strong commitment to enhancing shareholder value and confidence in its stock performance [2][3] Summary by Category Share Buyback Activity - On November 27, Sinopec repurchased 9.01 million shares at a price range of HKD 4.420 to HKD 4.520, totaling HKD 40.2765 million [2] - The stock closed at HKD 4.470 on the same day, reflecting a 1.13% increase with a total trading volume of HKD 599 million [2] - Since October 30, the company has conducted buybacks for 21 consecutive days, acquiring a total of 105 million shares for a cumulative amount of HKD 459 million, during which the stock price increased by 5.92% [2] Year-to-Date Buyback Performance - Year-to-date, Sinopec has executed 54 buybacks, totaling 327 million shares and an aggregate buyback amount of HKD 1.525 billion [2] Detailed Buyback Data - A detailed table of buyback activities shows daily repurchase volumes, highest and lowest prices, and total amounts spent, highlighting the company's consistent strategy to support its stock price [3]

Market Overview - The Hang Seng Index rose by 17.85 points, an increase of 0.07%, closing at 25,945.93 points with a total turnover of HKD 2,047.28 billion [1] - The National Enterprises Index increased by 2.5 points, closing at 9,164.87 points, a rise of 0.03% [1] - The Hang Seng Tech Index fell by 20.31 points, closing at 5,598.05 points, a decrease of 0.36% [1] Blue-Chip Stocks - Tencent Holdings decreased by 1.29%, closing at HKD 611.5 [1] - Hong Kong Exchanges and Clearing fell by 0.34%, closing at HKD 411.8 [1] - China Mobile dropped by 0.11%, closing at HKD 87.25 [1] - HSBC Holdings increased by 1.3%, closing at HKD 109 [1] Local Hong Kong Stocks - Cheung Kong Holdings decreased by 0.2%, closing at HKD 40.04 [1] - Sun Hung Kai Properties rose by 0.97%, closing at HKD 99.2 [1] - Henderson Land Development fell by 0.47%, closing at HKD 29.74 [1] Chinese Financial Stocks - Bank of China decreased by 0.42%, closing at HKD 4.73 [1] - China Construction Bank rose by 0.24%, closing at HKD 8.23 [1] - Industrial and Commercial Bank of China fell by 0.15%, closing at HKD 6.49 [1] - Ping An Insurance decreased by 0.17%, closing at HKD 57.25 [1] - China Life Insurance increased by 2.17%, closing at HKD 27.32 [1] Oil and Petrochemical Stocks - China Petroleum & Chemical Corporation rose by 1.13%, closing at HKD 4.47 [1] - China National Petroleum Corporation increased by 0.46%, closing at HKD 8.74 [1] - CNOOC Limited rose by 1.33%, closing at HKD 21.34 [1]

Core Insights - China Petroleum & Chemical Corporation (Sinopec) and Sinopec Shanghai Petrochemical Research Institute have obtained a patent for a "fluorescent probe for monitoring formaldehyde, its preparation method and use, and portable sensor" with the announcement number CN119775264B, applied for on October 2023 [1] Company Overview - China Petroleum & Chemical Corporation was established in 2000 and is based in Beijing, primarily engaged in oil and gas extraction. The company has a registered capital of 12,173,968.9893 million RMB [1] - Sinopec Shanghai Petrochemical Research Institute was founded in 2022 and is located in Shanghai, focusing on research and experimental development. The registered capital of this company is 49,800 million RMB [1] Investment and Operations - China Petroleum & Chemical Corporation has invested in 268 companies and participated in 5,000 bidding projects. The company holds 45 trademark registrations and 5,000 patent records, along with 41 administrative licenses [1] - Sinopec Shanghai Petrochemical Research Institute has invested in 2 companies and engaged in 2,209 bidding projects. The institute has 807 patent records and 133 administrative licenses [1]

Core Insights - China Petroleum & Chemical Corporation (Sinopec) has significantly contributed to Zhejiang's economic development, achieving revenue of 1.3 trillion yuan and paying nearly 140 billion yuan in taxes during the 14th Five-Year Plan period [1] Group 1: Energy Security and Supply - Sinopec's enterprises in Zhejiang prioritize energy security, ensuring a continuous supply of clean oil products, including gasoline, diesel, and aviation fuel, supported by a comprehensive supply network of nearly 2,100 gas stations [2] - The Zhenhai Refinery has enhanced its crude oil processing capacity to 40 million tons annually, while Sinopec's Zhejiang branch serves over 1.1 million customers daily, supplying approximately 83 million tons of refined oil and 16.2 billion cubic meters of natural gas [2] Group 2: Strategic Collaborations - Sinopec Zhejiang has established strategic partnerships with 32 government units and 81 enterprises, focusing on key areas such as new energy infrastructure and rural revitalization [3] - Collaborations with research institutions like Zhejiang University and the Chinese Academy of Sciences aim to foster innovation and upgrade the petrochemical industry [3] Group 3: Green Transformation and Industry Upgrade - The Zhenhai base has launched high-end synthetic material projects, with products widely used in various sectors, including home appliances and renewable energy [4] - Sinopec has developed a hydrogen energy supply chain, with an annual hydrogen production capacity of 18,000 tons, and established 12 hydrogen refueling stations [4] - The company has also created China's first bio-jet fuel industrial facility, processing 100,000 tons of waste oil annually, contributing to sustainable aviation [4] Group 4: Technological Innovation - Sinopec is advancing smart factory initiatives, utilizing IoT and AI technologies for real-time monitoring and safety in operations [5] - Innovations in engineering and manufacturing processes have been recognized for their contributions to reducing coal consumption and carbon emissions [5] Group 5: Social Responsibility and Community Engagement - Sinopec has built 386 "Driver's Homes" across Zhejiang, providing essential services for truck drivers [6] - The company has invested nearly 23 million yuan in rural revitalization projects, significantly boosting local economies and transforming aid models from "blood transfusion" to "blood production" [7]

Core Insights - China Petroleum & Chemical Corporation (Sinopec) and Sinopec Shanghai Petrochemical Research Institute have obtained a patent for a "fluorescent probe for monitoring formaldehyde, preparation method, application, and portable sensor" with the announcement number CN119775264B, applied for on October 2023 [1] Company Overview - China Petroleum & Chemical Corporation was established in 2000 and is based in Beijing, primarily engaged in oil and gas extraction. The company has a registered capital of 12,173,968.9893 million RMB [1] - Sinopec Shanghai Petrochemical Research Institute was founded in 2022 and is located in Shanghai, focusing on research and experimental development. The registered capital of this company is 49,800 million RMB [1] Investment and Operations - China Petroleum & Chemical Corporation has invested in 268 companies and participated in 5,000 bidding projects. The company holds 45 trademark records and 5,000 patent records, along with 41 administrative licenses [1] - Sinopec Shanghai Petrochemical Research Institute has invested in 2 companies and engaged in 2,209 bidding projects. The institute has 807 patent records and 133 administrative licenses [1]

Performance Summary - Virginie (02199.HK) reported revenue of HKD 3.84 billion for the six months ending September 30, 2025, a decrease of 3.45% year-on-year; net profit increased by 114.25% to HKD 145 million [1] - Huagang United (01001.HK) achieved revenue of HKD 1.023 billion, up 3.34% year-on-year; profit decreased by 3.64% to HKD 52.9 million [1] - Disen Creation (00113.HK) reported revenue of HKD 973 million, a year-on-year increase of 1.2%; net profit rose by 14.02% to HKD 150 million [1] - Sanhe Construction Group (03822.HK) generated revenue of HKD 470 million from customer contracts, a 20.8% increase year-on-year; net profit surged by 1364.7% to HKD 47.41 million [1] - Bojun Education (01758.HK) reported revenue of HKD 379 million for the year ending August 31, 2025, a decrease of 11.9%; losses increased by 227.6% to HKD 130 million [1] - Jiahua Holdings (00064.HK) reported revenue of HKD 172 million, down 21.01% year-on-year; profit increased by 57.59% to HKD 49.51 million [2] - Tiande Real Estate (00266.HK) reported revenue of HKD 152 million, a decrease of 2.5%; losses narrowed by 72.9% to HKD 75.43 million [3] - Kairun International Hotel (00105.HK) reported revenue of HKD 148 million, down 2.34%; losses decreased by 69.77% to HKD 148 million [4] - Safe Warehouse (00237.HK) reported revenue of HKD 84.1 million, down 9.97%; the company recorded a loss of HKD 17.56 million, shifting from profit to loss [4] Company News - Xinchen Power (01148.HK) established a strategic alliance with Sichuan Hongpeng Aerospace Equipment Intelligent Manufacturing in the field of aviation piston engines [5] - Qingdao Beer Co., Ltd. (00168.HK) plans to engage in wealth management investment activities with a maximum single-day balance of RMB 10 billion over the next 12 months [5] - Junshi Biosciences (01877.HK) plans to use up to RMB 2.4 billion of temporarily idle raised funds for cash management [5] - China Anshun Energy (02399.HK) signed a memorandum of understanding with Guo Heng for further investment and participation in energy-related projects [6] - Yanzhou Coal Mining (01171.HK) subsidiary plans to acquire 100% equity of a high-end support company for HKD 345 million [7] - Beijing Qingniao Huanyu (08095.HK) intends to invest approximately HKD 130 million to acquire the remaining 30% equity of Shanghai Shengjin Venture Capital Co., Ltd., focusing on new materials, energy conservation, and high-end equipment manufacturing [7] Financing and Buyback Activities - China Smart Technology (00464.HK) completed the issuance of a total of 11.7 million shares, raising approximately HKD 10.3 million [8] - Tencent Holdings (00700.HK) repurchased 1.036 million shares for HKD 636 million, with repurchase prices ranging from HKD 609 to HKD 620 [9] - China Petroleum & Chemical Corporation (00386.HK) repurchased 9.01 million shares for HKD 40.2765 million, with repurchase prices between HKD 4.42 and HKD 4.52 [10] - China Feihe (06186.HK) repurchased 4 million shares for HKD 16.6763 million, with repurchase prices ranging from HKD 4.12 to HKD 4.23 [10]

EE305 Next Day Disclosure Return (Equity issuer - changes in issued shares or treasury shares, share buybacks and/or on-market sales of treasury shares) Instrument: Equity issuer Status: New Submission Name of Issuer: China Petroleum & Chemical Corporation 27 November 2025 Date Submitted: Section I must be completed by a listed issuer where has been a charge in its issued shares or teasury shares which is discloseable pursuant to rule 13.25A of the Rules Gov .i.sting of Securities on The Stock Exchange of H ...

Group 1 - The State Intellectual Property Office of China has granted a patent for a "rapid cooling oil system and method for an ethylene cracking device" to China Petroleum & Chemical Corporation, Sinopec Shanghai Engineering Company, and Sinopec Refining Engineering Group Co., Ltd. The patent authorization announcement number is CN115716771B, with an application date of August 2021 [1] - China Petroleum & Chemical Corporation, established in 2000 and located in Beijing, primarily engages in oil and gas extraction. The company has a registered capital of 12,173,968.9893 thousand RMB and has invested in 268 enterprises, participated in 5,000 bidding projects, and holds 5,000 patent records [1] - Sinopec Shanghai Engineering Company, founded in 1993 and based in Shanghai, focuses on wholesale activities. The company has a registered capital of 50,000 thousand RMB, has invested in 11 enterprises, participated in 5,000 bidding projects, and holds 848 patent records [1] - Sinopec Refining Engineering Group Co., Ltd., established in 2007 and located in Beijing, primarily operates in water management. The company has a registered capital of 441,854.35 thousand RMB, has invested in 12 enterprises, participated in 69 bidding projects, and holds 5,000 patent records [2]