Core Viewpoint - China National Offshore Oil Corporation (CNOOC) announced its interim dividend distribution plan for A-shares in 2025, which has been approved by relevant meetings [1] Group 1: Dividend Distribution - The proposed interim dividend is set at HKD 0.73 per share (tax included) for all shareholders, with A-shares being paid in RMB at CNY 0.66612 per share (tax included) [1] - The total cash dividend distribution amounts to CNY 1.992 billion (tax included) [1] Group 2: Key Dates - The record date for the dividend is October 16, 2025 [1] - The ex-dividend date and cash dividend payment date is October 17, 2025 [1]

Core Viewpoint - China National Offshore Oil Corporation (CNOOC) announced the progress of its controlling shareholder's share buyback plan, indicating a commitment to increase its stake in the company over the next year [1] Summary by Relevant Sections Share Buyback Plan - CNOOC Group plans to increase its holdings in A-shares and Hong Kong stocks with an investment amount ranging from 2 to 4 billion yuan over a 12-month period [1] - As of October 8, the cumulative buyback in Hong Kong stocks reached 22,098,000 shares, accounting for 0.05% of the total share capital, with an investment amount of 332 million yuan (excluding taxes) [1] Shareholding Details - The controlling shareholder held 735,626,000 shares in Hong Kong stocks prior to the buyback, representing 1.55% of the total shares [1] - The buyback plan is currently more than halfway through its timeline, but the actual investment amount has not yet reached the lower limit of 50% of the planned investment [1] Future Plans - The company intends to continue the buyback at opportune moments, despite potential market fluctuations that may affect the original expectations of the buyback plan [1]

香港交易及結算所有限公司及香港聯合交易所有限公司對本公告的內容概不負責，對其準確 性或完整性亦不發表任何聲明，並明確表示，概不就因本公告全部或任何部分內容而産生或 因依賴該等內容而引致的任何損失承擔任何責任。 （根據公司條例在香港註冊成立的有限責任公司） 股票代號：00883（港幣櫃台）及80883（人民幣櫃台） 海外監管公告 2025 年 A 股中期股息分派實施公告 本公告乃中國海洋石油有限公司（「本公司」）根據香港聯合交易所有限公司證券上市 規則第 13.10B 條而作出。 茲提述本公司在上海證券交易所網站刊登的《中國海洋石油有限公司2025年A股中期股 息分派實施公告》，僅供參考。 承董事會命 中國海洋石油有限公司 徐玉高 聯席公司秘書 香港，二零二五年十月九日 於本公告刊發日期， 董事會由以下成員組成： 非執行董事 張傳江 （董事長） 王德華 執行董事 周心懷 （副董事長） 閻洪濤 穆秀平 獨立非執行董事 邱致中 林伯強 李淑賢 陳澤銘 1 证券代码：600938 证券简称：中国海油 公告编号：2025-028 A 股每股现金红利人民币 0.66612 元（含税） 相关日期 | 股份类别 | 股权登记 ...

本公告乃由中國海洋石油有限公司（「本公司」）自願作出。 香港交易及結算所有限公司及香港聯合交易所有限公司對本公告的內容概不負責，對其準確性 或完整性亦不發表任何聲明，並明確表示，概不對因本公告全部或任何部分內容而產生或因依 賴該等內容而引致的任何損失承擔任何責任。 （根據公司條例在香港註冊成立的有限責任公司） 股票代號：00883（港幣櫃台）及80883（人民幣櫃台） 自願公告 實際控制人增持本公司股份的進展 香港，二零二五年十月九日 茲提述本公司日期為二零二五年四月八日的公告（「該公告」），內容有關本公司實際控制人中 國海洋石油集團有限公司（「中國海油集團」）增持本公司股份計劃。除非文義另有所指，本公 告所用詞彙與該公告所界定者具有相同涵義。現將有關進展公告如下： 於二零二五年四月九日至二零二五年十月八日期間，中國海油集團通過港股通交易系統累計增持本 公司港股股份22,098,000股，約佔本公司已發行股份總數的0.05%，增持金額累計人民幣331,506,654元 （不含稅費）。上述增持實施後，中國海油集團及其一致行動人直接或間接持有本公司合計 29,530,451,273股股份，約佔本公司已發行股份總數 ...

格隆汇10月9日｜南下资金今日净买入港股30.43亿港元。其中： 净买入快手-W 10.86亿、中兴通讯4.57亿、小米集团-W 2.31亿、上海电气1.06亿； 净卖出中芯国际23.96亿、华虹半导体11.41亿、阿里巴巴-W 7.5亿(终结连续28日净买入态势)、腾讯控股 4.63亿、晶泰控股1.69亿、中国海洋石油1.55亿。 | 名称 | 潔跌幅 | 净买入额(亿) | 成交额 | 名称 | 涨跌幅 | 净买入额(亿) | 成交割 | | --- | --- | --- | --- | --- | --- | --- | --- | | 阿里巴巴-W | -2.4% | -7.51 | 139.84亿 | 中古国际 | -6.7% | -20.49 | 89.66 Z | | 中心同际 | -6.7% | -3.48 | 136.97 Z | 阿里巴巴-W | -2.4% | 0.00 | 79.17 6 | | 作就非常体 | -6.4% | -6.34 | 65.26 Z | 作就非常体 | -6.4% | -5.07 | 30.65 Z | | m 年轻股 | -13.9% | 0.03 | 4 ...

Core Viewpoint - China National Offshore Oil Corporation (CNOOC) has increased its stake in CNOOC Oilfield Services Co., Ltd. (COSL) by acquiring 16.08 million H-shares, representing approximately 0.34% of the total issued shares, for a total investment of approximately RMB 80.98 million during the specified period [1] Group 1 - The share acquisition period is from April 9, 2025, to October 8, 2025 [1] - After the acquisition, CNOOC holds a total of 2,426,857,300 shares in COSL, which accounts for about 50.86% of the total issued shares [1] - As of October 8, 2025, the actual investment amount has not reached 50% of the lower limit of the planned investment range, primarily due to stock market price fluctuations and overall trends in the capital market [1] Group 2 - CNOOC plans to continue increasing its stake in COSL using its own funds, taking advantage of future opportunities [1]

Core Viewpoint - CNOOC Services (02883) announced that its controlling shareholder, China National Offshore Oil Corporation (CNOOC), will increase its stake in the company by acquiring 16.08 million H-shares from April 9, 2025, to October 8, 2025, representing approximately 0.34% of the total issued shares [1] Summary by Category - **Shareholding Increase** - CNOOC will purchase 16.08 million H-shares, totaling approximately RMB 80.98 million (excluding taxes) [1] - After the acquisition, CNOOC will hold a total of 2.427 billion shares, which is about 50.86% of the total issued shares of the company [1]

截至2025年10月8日，原定本次增持计划期间已过半，实际增持金额合计未达到计划金额区间下限的 50%，主要是受股票市场价格波动及资本市场整体趋势等因素影响。中国海油集团后续将依照本次增持 计划，以自有资金继续择机增持公司股份。 格隆汇10月9日丨中海油田服务(02883.HK)公布，于2025年4月9日至2025年10月8日期间，中国海油集团 通过香港联合交易所有限公司系统场内交易方式增持公司H股股份1600.8万股，约占公司已发行股份总 数的0.34%，增持金额累计约为人民币8,098.17万元(不含税费)。上述增持实施后，中国海油集团持有公 司合计2,426,857,300股股份，约占公司已发行股份总数的50.86%。 ...

Core Viewpoint - China National Offshore Oil Corporation (CNOOC) has increased its stake in CNOOC Oilfield Services Co., Ltd. by acquiring 16.08 million H-shares, representing approximately 0.34% of the total issued shares, for a total investment of about RMB 80.98 million (excluding taxes) [1] Group 1 - The share acquisition period is from April 9, 2025, to October 8, 2025 [1] - After the acquisition, CNOOC will hold a total of 2.427 billion shares in the company, which accounts for approximately 50.86% of the total issued shares [1]

Core Insights - The oil and gas extraction sector saw a 2.14% increase on October 9, with *ST Xinchao leading the gains [1] - The Shanghai Composite Index closed at 3933.97, up 1.32%, while the Shenzhen Component Index closed at 13725.56, up 1.47% [1] Sector Performance - The closing prices and percentage changes for key stocks in the oil and gas extraction sector are as follows: - *ST Xinchao: 3.79, up 4.99%, with a trading volume of 98,500 shares and a turnover of 37.35 million yuan - Blue Flame Holdings: 7.02, up 2.63%, with a trading volume of 123,200 shares and a turnover of 85.89 million yuan - Intercontinental Oil and Gas: 2.31, up 1.76%, with a trading volume of 1,428,600 shares and a turnover of 32.6 million yuan - China National Offshore Oil Corporation: 26.47, up 1.30%, with a trading volume of 443,400 shares and a turnover of 1.164 billion yuan [1] Fund Flow Analysis - The oil and gas extraction sector experienced a net outflow of 33.51 million yuan from institutional investors and 41.71 million yuan from retail investors, while there was a net inflow of 75.21 million yuan from individual investors [1] - Detailed fund flow for key stocks: - *ST Xinchao: Net inflow of 19.55 million yuan from institutional investors, with a 52.35% share; net outflow of 16.04 million yuan from retail investors - Blue Flame Holdings: Net inflow of 1.27 million yuan from institutional investors, with a 1.48% share; net outflow of 2.03 million yuan from retail investors - Intercontinental Oil and Gas: Net outflow of 13.14 million yuan from institutional investors, with a -4.03% share; net inflow of 0.96 million yuan from retail investors - China National Offshore Oil Corporation: Net outflow of 41.19 million yuan from institutional investors, with a -3.54% share; net inflow of 77.23 million yuan from retail investors [2]