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產生或 因依賴該等內容而引致的任何損失承擔任何責任。 股票代號：00883（港幣櫃台）及80883（人民幣櫃台） 執行董事、副董事長及首席執行官辭任 中國海洋石油有限公司（「本公司」）董事會（「董事會」）謹此宣佈，周心懷先生 （「周先生」）因任職變化辭任本公司執行董事、副董事長及首席執行官，自二零二五年 十月二十日生效。因此，彼於同日起亦將不再擔任本公司戰略與可持續發展委員會成員。 周先生已確認彼與董事會並無任何意見分歧，亦無任何與其辭任有關的事項須提請本公 司股東、香港聯合交易所有限公司及上海證券交易所注意。 （根據公司條例在香港註冊成立的有限責任公司） 董事會僅藉此機會對周先生爲本公司及海洋石油事業所作出的貢獻表示衷心的感謝。 承董事會命 中國海洋石油有限公司 徐玉高 聯席公司秘書 執行董事 獨立非執行董事 閻洪濤 邱致中 穆秀平 林伯強 李淑賢 陳澤銘 於本公告刊發日期， 非執行董事 董事會由以下成員組成： 張傳江 （董事長） 王德華 香港，二零二五 ...

Group 1 - Oil stocks experienced significant gains, with major companies like China Petroleum and China National Offshore Oil Corporation seeing increases of over 5% and 2% respectively [1] - Morgan Stanley's latest report highlights unprecedented discrepancies in OPEC's crude oil production estimates, with a difference of up to 2.5 million barrels per day [1] - The report suggests that OPEC's production increase plans are largely ineffective, with actual idle capacity being much lower than expected, and global oil demand is stronger than commonly perceived [1] Group 2 - Everbright Securities reports that the "Big Three" oil companies in China (China National Petroleum, Sinopec, and CNOOC) will continue to enhance their reserves and production amid increasing external uncertainties and oil price volatility [2] - The projected growth in oil and gas equivalent production for the "Big Three" over the next 25 years is 1.6% for China National Petroleum, 1.5% for Sinopec, and 5.9% for CNOOC [2] - The "Big Three" are expected to achieve long-term growth through continuous cost reduction and incremental production efforts, highlighting their long-term investment value [2]

Core Viewpoint - The Hong Kong oil stocks experienced significant gains in the afternoon trading session on October 20, with notable increases in share prices for major companies in the sector [1] Company Summaries - PetroChina (00857.HK) saw a rise of 4.92%, reaching HKD 7.68 [1] - CNOOC (00883.HK) increased by 2.26%, trading at HKD 19.03 [1] - CNOOC Services (02883.HK) rose by 1.95%, with a price of HKD 6.79 [1] - Sinopec (00386.HK) experienced a gain of 1.49%, priced at HKD 4.1 [1]

Core Viewpoint - Oil stocks are experiencing significant gains, with major companies like PetroChina, CNOOC, and Sinopec seeing notable increases in their stock prices due to optimistic market forecasts and production plans [1] Group 1: Market Performance - PetroChina (00857) increased by 4.92%, trading at HKD 7.68 [1] - CNOOC (00883) rose by 2.26%, trading at HKD 19.03 [1] - CNOOC Services (02883) gained 1.95%, trading at HKD 6.79 [1] - Sinopec (00386) saw a rise of 1.49%, trading at HKD 4.1 [1] Group 2: Industry Analysis - Morgan Stanley's report highlights unprecedented discrepancies in OPEC's crude oil production estimates, with a gap of up to 2.5 million barrels per day [1] - The report suggests that OPEC's production increase plans are largely ineffective, with actual idle capacity being significantly lower than expected [1] - Global oil demand is stronger than commonly perceived, with a potential market rebalancing expected in the second half of 2027, leading to a forecasted Brent crude price recovery to USD 65 per barrel [1] Group 3: Company Strategies - Everbright Securities indicates that the "Big Three" oil companies (PetroChina, Sinopec, and CNOOC) will continue to enhance their reserves and production amid increasing external uncertainties and oil price volatility [1] - The production growth plans for the next 25 years are projected at 1.6% for PetroChina, 1.5% for Sinopec, and 5.9% for CNOOC [1] - The "Big Three" are expected to achieve long-term growth through continuous cost reduction and incremental production efforts, highlighting their long-term investment value [1]

Core Viewpoint - Oil stocks have seen significant gains, with major companies like PetroChina, CNOOC, and Sinopec experiencing notable increases in share prices amid a backdrop of diverging estimates of OPEC's crude oil production [1] Group 1: Market Performance - PetroChina (00857) rose by 4.92%, trading at HKD 7.68 [1] - CNOOC (00883) increased by 2.26%, trading at HKD 19.03 [1] - CNOOC Services (02883) gained 1.95%, trading at HKD 6.79 [1] - Sinopec (00386) saw a rise of 1.49%, trading at HKD 4.10 [1] Group 2: OPEC Insights - Morgan Stanley's latest report highlights unprecedented discrepancies in OPEC's crude oil production estimates, with a gap of up to 2.5 million barrels per day [1] - The report suggests that OPEC's production increase plans are largely ineffective, with actual idle capacity being significantly lower than expected [1] - Global oil demand is stronger than commonly perceived, with a potential market rebalancing expected in the second half of 2027, leading to a forecasted Brent crude price of USD 65 per barrel [1] Group 3: Long-term Growth Prospects - Everbright Securities indicates that in the face of increasing external uncertainties and significant oil price fluctuations, the "Big Three" oil companies will continue to enhance their reserves and production [1] - The planned growth in oil and gas equivalent production for the next 25 years is projected at 1.6% for PetroChina, 1.5% for Sinopec, and 5.9% for CNOOC [1] - The "Big Three" are expected to achieve long-term growth through ongoing incremental cost reduction efforts, highlighting their long-term investment value [1]

Core Points - The establishment of China's first national-level deepwater oil and gas emergency rescue base in Hainan marks a significant advancement in the country's emergency response capabilities for offshore oil and gas incidents [1] - The base is a joint construction by the Ministry of Emergency Management, Hainan Provincial Government, and China National Offshore Oil Corporation (CNOOC), covering an area of over 11,000 square meters and equipped with advanced emergency response facilities [1] - The response time for emergency rescue operations in southern China's maritime areas will be significantly reduced from approximately 30 days to within 48 hours due to the capabilities of the new base [1] Industry Insights - The global focus of oil and gas exploration and development is shifting from land to marine environments, highlighting the increasing need for effective emergency response resources for offshore incidents [1] - The Hainan base will enhance the construction of offshore emergency rescue capabilities and support the development of the national marine economy and ecological protection [2]

Core Insights - The top three companies by Hong Kong Stock Connect holding ratios are China Telecom (70.56%), COSCO Shipping Energy (69.91%), and GCL-Poly Energy (69.65%) [1][2] - Xiaomi Group-W, Meituan-W, and Pop Mart have seen the largest increases in holding amounts over the last five trading days, with increases of +1.967 billion, +1.692 billion, and +1.514 billion respectively [1][2] - The companies with the largest decreases in holding amounts over the same period include Innovent Biologics (-2.053 billion), SMIC (-1.978 billion), and Alibaba-W (-1.651 billion) [1][2] Hong Kong Stock Connect Latest Holding Ratios - China Telecom (00728): 9.793 billion shares, 70.56% holding ratio [1] - COSCO Shipping Energy (01138): 906 million shares, 69.91% holding ratio [1] - GCL-Poly Energy (01330): 282 million shares, 69.65% holding ratio [1] - China Shenhua (01088): 2.284 billion shares, 67.62% holding ratio [1] - Kaisa Group (01108): 168 million shares, 67.37% holding ratio [1] Recent Increases in Holdings (Last 5 Trading Days) - Xiaomi Group-W (01810): +1.967 billion, +42.788 million shares [1] - Meituan-W (03690): +1.692 billion, +17.904 million shares [1] - Pop Mart (09992): +1.514 billion, +5.498 million shares [1] - China Mobile (00941): +1.438 billion, +16.863 million shares [1] - Huahong Semiconductor (01347): +1.434 billion, +18.918 million shares [1] Recent Decreases in Holdings (Last 5 Trading Days) - Innovent Biologics (01801): -2.053 billion, -23.641 million shares [2] - SMIC (00981): -1.978 billion, -28.625 million shares [2] - Alibaba-W (09988): -1.651 billion, -10.691 million shares [2] - Tencent Holdings (00700): -1.475 billion, -2.426 million shares [2] - Yingfu Fund (02800): -1.259 billion, -48.701 million shares [2]

Investment Rating - The report maintains a "Strong Buy" rating for the oil and petrochemical sector [1]. Core Viewpoints - Geopolitical risks in the Middle East have eased, leading to a continued downward trend in oil prices. WTI crude futures fell by 1.00% and Brent crude futures by 1.21% during the period from October 10 to October 17, 2025 [6]. - OPEC's latest monthly market report maintains its global oil demand growth forecast for the next two years, predicting an increase of 1.3 million barrels per day in 2025 and 1.4 million barrels per day in 2026 [6]. - The domestic oil companies are reducing their sensitivity to oil price fluctuations through upstream and downstream integration and diversifying their oil and gas sources [7]. Summary by Sections Oil and Petrochemicals - Geopolitical tensions have decreased, resulting in a downward trend in oil prices. The easing of risks is reflected in the signing of a ceasefire agreement in Gaza and calls for further implementation of the ceasefire by the UN [6]. - The U.S. government is facing a budget impasse, which is impacting economic operations and creating uncertainty regarding fiscal policies [6]. - The report suggests that while short-term oil price risks may persist, the long-term outlook remains anchored by fundamental demand growth [7]. Fluorochemicals - The supply of popular fluorinated refrigerants is tight, leading to continued price increases. R32 refrigerant prices remain high, and R134a prices are also on the rise due to supply constraints and increasing domestic demand [6][7]. - The report highlights that the production of second-generation refrigerants is declining, while third-generation refrigerants have limited quota increases, stabilizing market competition [6]. Semiconductor Materials - The semiconductor sector is experiencing an upward cycle, supported by improving fundamentals and domestic substitution trends. The report recommends focusing on companies like Nanda Optoelectronics and Shanghai Xinyang [7].

Market Overview - On October 17, the Hang Seng Index fell by 2.48%, with southbound trading totaling HKD 153.005 billion, comprising HKD 79.654 billion in buying and HKD 73.351 billion in selling, resulting in a net buying amount of HKD 6.303 billion [1] Southbound Trading Details - Southbound trading through the Stock Connect (Shenzhen) recorded a total transaction amount of HKD 58.715 billion, with buying at HKD 29.681 billion and selling at HKD 29.034 billion, leading to a net buying of HKD 0.647 billion [1] - Southbound trading through the Stock Connect (Shanghai) had a total transaction amount of HKD 94.290 billion, with buying at HKD 49.973 billion and selling at HKD 44.317 billion, resulting in a net buying of HKD 5.656 billion [1] Active Stocks - Alibaba-W had the highest transaction amount among southbound stocks at HKD 137.12 billion, with a net selling of HKD 21.53 billion and a closing price drop of 4.22% [1] - Other notable stocks included SMIC with a transaction amount of HKD 98.39 billion and a net selling of HKD 15.78 billion, and Xiaomi Group-W with a transaction amount of HKD 58.48 billion and a net buying of HKD 4.14 billion [2] Continuous Net Buying - Two stocks, Xiaomi Group-W and Pop Mart, have seen continuous net buying for over three days, with Xiaomi Group-W leading at a total net buying of HKD 74.03 billion over 10 days, followed by Pop Mart with HKD 14.68 billion over 4 days [2]

Market Overview - On October 17, the Hang Seng Index fell by 2.48%, closing at 25,247.10 points, while southbound funds through the Stock Connect recorded a net purchase of 6.303 billion HKD [1][3] - The total trading volume for the Stock Connect on the same day was 153.005 billion HKD, with a net buying amount of 6.303 billion HKD [1][3] Trading Activity - In the Shanghai Stock Connect, the trading volume was 94.290 billion HKD with a net purchase of 5.656 billion HKD; in the Shenzhen Stock Connect, the trading volume was 58.715 billion HKD with a net purchase of 0.647 billion HKD [1][3] - The most actively traded stock in the Shanghai Stock Connect was Alibaba-W, with a trading amount of 8.411 billion HKD, followed by SMIC and Xiaomi Group-W, with trading amounts of 5.454 billion HKD and 3.257 billion HKD, respectively [1][2] Stock Performance - In terms of net buying, Meituan-W led with a net purchase of 648 million HKD, despite its closing price dropping by 4.30% [1][2] - Alibaba-W experienced the highest net selling amount of 1.112 billion HKD, with a closing price decline of 4.22% [1][2] - In the Shenzhen Stock Connect, Alibaba-W also topped the trading volume with 5.302 billion HKD, while SMIC and Xiaomi Group-W followed with 4.385 billion HKD and 2.591 billion HKD, respectively [2]