股份發行人及根據《上市規則》第十九B章上市的香港預託證券發行人的證券變動月報表 截至月份: 2026年1月31日 狀態: 新提交 致：香港交易及結算所有限公司 公司名稱: 中海石油化學股份有限公司（ 於中華人民共和國註冊成立的股份有限公司） 呈交日期: 2026年2月3日 I. 法定/註冊股本變動 | 1. 股份分類 | 普通股 | 股份類別 | H | | 於香港聯交所上市 (註1) | | 是 | | | --- | --- | --- | --- | --- | --- | --- | --- | --- | | 證券代號 (如上市) | 03983 | 說明 | | | | | | | | | | 法定/註冊股份數目 | | | 面值 | | 法定/註冊股本 | | | 上月底結存 | | | 1,796,000,122 | RMB | | 1 RMB | | 1,796,000,122 | | 增加 / 減少 (-) | | | 0 | | | RMB | | 0 | | 本月底結存 | | | 1,796,000,122 | RMB | | 1 RMB | | 1,796,000,122 | | ...

Group 1 - China National Petroleum Chemical Corporation has obtained a patent for a "sulfuric acid structure, flotation machine, and phosphate flotation system," with the authorization announcement number CN223761202U and an application date of December 2024 [1] - The patent addresses technical issues in flotation machines, specifically improving the dispersion of concentrated sulfuric acid in mineral slurry, thereby reducing scaling phenomena caused by reactions between concentrated sulfuric acid and the slurry [1] - The company was established in 2000, is located in a province-level administrative region, and primarily engages in the manufacturing of chemical raw materials and products, with a registered capital of 461 million RMB [1] Group 2 - Hubei Dayukou Chemical Co., Ltd. was founded in 2005 and is based in Jingmen City, focusing on the manufacturing of chemical raw materials and products, with a registered capital of approximately 110.31 million RMB [2] - The company has made investments in one enterprise, participated in 2,800 bidding projects, and holds 41 patents, along with 159 administrative licenses [2]

呈交日期: 2026年1月5日 I. 法定/註冊股本變動 | 1. 股份分類 | 普通股 | 股份類別 | H | | 於香港聯交所上市 (註1) | | 是 | | | --- | --- | --- | --- | --- | --- | --- | --- | --- | | 證券代號 (如上市) | 03983 | 說明 | | | | | | | | | | 法定/註冊股份數目 | | | 面值 | | 法定/註冊股本 | | | 上月底結存 | | | 1,796,000,122 | RMB | | 1 RMB | | 1,796,000,122 | | 增加 / 減少 (-) | | | 0 | | | RMB | | 0 | | 本月底結存 | | | 1,796,000,122 | RMB | | 1 RMB | | 1,796,000,122 | | 2. 股份分類 | 普通股 | 股份類別 | 其他類別 (請註明) | | 於香港聯交所上市 (註1) | | 否 | | | --- | --- | --- | --- | --- | --- | --- | --- | --- | | 證 ...

股份發行人及根據《上市規則》第十九B章上市的香港預託證券發行人的證券變動月報表 截至月份: 2025年11月30日 狀態: 新提交 致：香港交易及結算所有限公司 公司名稱: 中海石油化學股份有限公司（ 於中華人民共和國註冊成立的股份有限公司） 呈交日期: 2025年12月1日 FF301 II. 已發行股份及/或庫存股份變動 | 1. 股份分類 | 普通股 | 股份類別 | H | | 於香港聯交所上市 (註1) | 是 | | | --- | --- | --- | --- | --- | --- | --- | --- | | 證券代號 (如上市) | 03983 | 說明 | | | | | | | | | 已發行股份（不包括庫存股份）數目 | | 庫存股份數目 | | 已發行股份總數 | | | 上月底結存 | | | 1,796,000,122 | | 0 | | 1,796,000,122 | | 增加 / 減少 (-) | | | 0 | | 0 | | | | 本月底結存 | | | 1,796,000,122 | | 0 | | 1,796,000,122 | I. 法定/註冊股本變動 | ...

Core Viewpoint - Hermes Investment Management Ltd has reduced its stake in CNOOC Limited (03983) by selling approximately 24,876,363 shares at a price of HKD 2.37 per share, totaling around HKD 590 million, resulting in a new holding of approximately 76,323,100 shares, representing 4.25% of the company [1] Summary by Category - **Share Reduction**: Hermes Investment Management Ltd sold 24,876,363 shares of CNOOC Limited [1] - **Transaction Details**: The shares were sold at a price of HKD 2.37 each, amounting to a total of approximately HKD 590 million [1] - **Post-Transaction Holdings**: After the sale, Hermes holds approximately 76,323,100 shares, which is 4.25% of CNOOC Limited [1]

Group 1 - Hermes Investment Management Ltd reduced its stake in CNOOC Limited (03983) by 24,876,363 shares at a price of HKD 2.37 per share, totaling approximately HKD 590 million [1] - After the reduction, Hermes Investment Management Ltd holds approximately 76,323,100 shares, representing a new ownership percentage of 4.25% [1]

Summary of Key Points Core Viewpoint - MGD Holdings has reduced its stake in CNOOC Chemical (03983.HK) by selling 3.422 million shares at an average price of HKD 2.6802 per share, resulting in a total transaction value of approximately HKD 9.1716 million. Following this transaction, MGD Holdings' ownership percentage decreased from 13.14% to 12.95% [1][2]. Group 1 - MGD Holdings sold 3.422 million shares of CNOOC Chemical at an average price of HKD 2.6802 per share [1][2]. - The total amount involved in the sale was approximately HKD 9.1716 million [1]. - After the sale, MGD Holdings holds 232,568,000 shares, representing 12.95% of the total shares outstanding [1][2].

Group 1 - MGD Holdings reduced its stake in China National Chemical Corporation (03983) by selling 3.422 million shares at an average price of HKD 2.6802 per share, totaling approximately HKD 9.1716 million [1] - After the reduction, MGD Holdings holds approximately 233 million shares, representing a holding percentage of 12.95% [1]

股份發行人及根據《上市規則》第十九B章上市的香港預託證券發行人的證券變動月報表 截至月份: 2025年10月31日 狀態: 新提交 致：香港交易及結算所有限公司 公司名稱: 中海石油化學股份有限公司（ 於中華人民共和國註冊成立的股份有限公司） 呈交日期: 2025年11月3日 I. 法定/註冊股本變動 | 1. 股份分類 | 普通股 | 股份類別 | H | | 於香港聯交所上市 (註1) | | 是 | | | --- | --- | --- | --- | --- | --- | --- | --- | --- | | 證券代號 (如上市) | 03983 | 說明 | | | | | | | | | | 法定/註冊股份數目 | | | 面值 | | 法定/註冊股本 | | | 上月底結存 | | | 1,796,000,122 | RMB | | 1 RMB | | 1,796,000,122 | | 增加 / 減少 (-) | | | 0 | | | RMB | | 0 | | 本月底結存 | | | 1,796,000,122 | RMB | | 1 RMB | | 1,796,000,122 | ...

Group 1 - MGD Holdings reduced its stake in CNOOC Chemical (03983.HK) by selling 1.016 million shares at an average price of HKD 2.3001 per share, amounting to approximately HKD 2.3369 million [1] - Following the sale, MGD Holdings' total shareholding decreased to 251 million shares, representing a reduction in ownership percentage from 14.03% to 13.98% [1][3]