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]

Group 1 - MGD Holdings reduced its stake in CNOOC Limited (03983) by selling 1.016 million shares at a price of HKD 2.3001 per share, totaling approximately HKD 2.3369 million [1] - After the reduction, MGD Holdings' latest shareholding stands at 251 million shares, representing a holding percentage of 13.98% [1]

Group 1 - MGD Holdings reduced its stake in China National Chemical Corporation (03983) by 1.016 million shares at a price of HKD 2.3001 per share, totaling approximately HKD 2.3369 million [1] - After the reduction, MGD Holdings now holds 251 million shares, representing a 13.98% ownership stake [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9月30日 狀態: 新提交 本月底法定/註冊股本總額： RMB 4,610,000,000 FF301 第 1 頁 共 10 頁 v 1.1.1 FF301 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10月2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 | ...