中海油田服務股份有限公司 CHINA OILFIELD SERVICES LIMITED (於中華人民共和國註冊成立之股份有限公司) （股票代號：2883） 海外監管公告 本公告乃根據《香港聯合交易所有限公司證券上市規則》第13.10B條 規定而作出。 2026年1月20日 於本公告日期，本公司執行董事為趙順強先生（董事長）及盧濤先生； 本公司職工代表董事為肖佳先生；本公司非執行董事為范白濤先生及 劉秋東先生；本公司獨立非執行董事為趙麗娟女士、郭琳廣先生及姚 昕先生。 本公司董事会及全体董事保证本公告内容不存在任何虚假记载、误导性陈述 或者重大遗漏，并对其内容的真实性、准确性和完整性承担法律责任。 重要内容提示： 一、对外投资概述 （一）本次交易概况 1. 本次交易概况 1 投资标的名称：中海油田服务股份有限公司（以下简称"公司"或"本公 司"）合并报表范围内境外全资子公司 COSL Norwegian AS。 投资方式及投资金额：本公司将截至 2025 年 8 月 31 日对 COSL Norwegian AS 的债权转为股权投资，转股的债权金额为 745,738,539.87 美元（按照 2025 年 1 ...

Market Overview - The Shanghai Composite Index rose by 0.29% on January 19, with 23 out of the 28 sectors experiencing gains, led by the basic chemical and oil & petrochemical industries, which increased by 2.70% and 2.08% respectively [1] - The main funds in the two markets saw a net outflow of 35.714 billion yuan, while 13 sectors had net inflows, with the power equipment sector leading at a net inflow of 7.597 billion yuan and a daily increase of 1.84% [1] Oil & Petrochemical Industry - The oil & petrochemical sector increased by 2.08% with a net inflow of 381 million yuan, comprising 47 stocks, of which 41 rose and 5 fell, including 1 stock hitting the daily limit [2] - Among the stocks in this sector, the top net inflows were from Hengli Petrochemical at 137 million yuan, followed by Bohai Chemical and Sinopec with net inflows of 86.971 million yuan and 74.399 million yuan respectively [2] - The stocks with the highest net outflows included Renji Shares, CNOOC Services, and China National Offshore Oil Corporation, with outflows of 39.671 million yuan, 31.826 million yuan, and 28.997 million yuan respectively [2] Stock Performance in Oil & Petrochemical Sector - Key stocks in the oil & petrochemical sector and their performance include: - Hengli Petrochemical: +6.91%, turnover rate 0.70%, net inflow 136.603 million yuan - Bohai Chemical: +10.02%, turnover rate 8.62%, net inflow 86.971 million yuan - Sinopec: +1.54%, turnover rate 0.21%, net inflow 74.399 million yuan - Other notable stocks include Rongsheng Petrochemical (+4.90%), China National Petroleum (+0.20%), and others with varying performance [2][3]

Investment Rating - The industry investment rating is "Positive" [1] Core Insights - The report highlights that geopolitical tensions, particularly regarding Iran, are significant factors influencing oil prices. The Brent and WTI oil prices were reported at $64.13 and $59.34 per barrel, respectively, as of January 16, 2026 [2][9]. Oil Price Overview - As of January 16, 2026, Brent crude futures settled at $64.13 per barrel, up $0.79 (+1.25%) from the previous week. WTI crude futures settled at $59.34 per barrel, up $0.22 (+0.37%). The Urals crude price remained stable at $65.49 per barrel, while ESPO crude rose by $0.49 (+0.98%) to $50.39 per barrel [2][26]. Offshore Drilling Services - As of January 12, 2026, the global number of offshore self-elevating drilling platforms was 377, an increase of 1 from the previous week. The number of floating drilling platforms was 130, also up by 1 [2][35]. U.S. Oil Supply - As of January 9, 2026, U.S. crude oil production was reported at 13.753 million barrels per day, a decrease of 58,000 barrels from the previous week. The number of active drilling rigs in the U.S. was 410, with an increase of 1 rig [2][49]. U.S. Oil Demand - U.S. refinery crude processing was 16.958 million barrels per day as of January 9, 2026, an increase of 49,000 barrels from the previous week. The refinery utilization rate was 95.30%, up 0.6 percentage points [2][57]. U.S. Oil Inventory - As of January 9, 2026, total U.S. crude oil inventories were 836 million barrels, an increase of 3.605 million barrels (+0.43%) from the previous week. Strategic oil inventories were 414 million barrels, up 214,000 barrels (+0.05%) [2][67]. Related Companies - Key companies mentioned include China National Offshore Oil Corporation (CNOOC), China Petroleum & Chemical Corporation (Sinopec), and PetroChina [2][3].

Report Overview - Report Title: Crude Oil Weekly Report: International Oil Prices Fluctuated and Rose Supported by Concerns over Iranian Supply - Report Date: January 18, 2026 - Chief Analyst: Chen Shuxian, CFA - Analyst: Zhou Shaowen 1. Report Industry Investment Rating No industry investment rating information is provided in the report. 2. Report Core View The report mainly presents the weekly data of crude oil and refined oil in the United States, including prices, inventories, production, demand, and import and export volumes. It also provides the performance and valuation of related listed companies, and recommends a number of oil - related companies [2][3]. 3. Summary by Directory 3.1 Crude Oil Weekly Data Briefing - **Upstream Key Company Performance**: The report shows the recent performance of upstream key companies such as CNOOC, PetroChina, and Sinopec, including stock price changes in the past week, month, quarter, year, and year - to - date. It also provides the valuation of these companies, including total market value, net profit attributable to the parent company, P/E ratio, and P/B ratio [8]. - **Crude Oil Market**: Brent and WTI crude oil futures had average weekly prices of $64.8 and $60.3 per barrel respectively, up $3.2 and $2.6 from the previous week. The total US crude oil inventory, commercial crude oil inventory, strategic crude oil inventory, and Cushing crude oil inventory were 8.4 billion, 4.2 billion, 4.1 billion, and 0.2 billion barrels respectively, with a week - on - week increase of 361, 339, 21, and 75 barrels. US crude oil production was 13.75 million barrels per day, down 60,000 barrels per day week - on - week. The number of active US crude oil rigs was 410, up 1 week - on - week, and the number of active fracturing fleets was 156, up 4 week - on - week. US refinery crude oil processing volume was 16.96 million barrels per day, up 50,000 barrels per day week - on - week, and the refinery operating rate was 95.3%, up 0.6 percentage points week - on - week. US crude oil imports, exports, and net imports were 7.09 million, 4.31 million, and 2.79 million barrels per day respectively, up 750,000, 40,000, and 710,000 barrels per day week - on - week [2][8]. - **Refined Oil Market**: The average weekly prices of US gasoline, diesel, and jet fuel were $76, $92, and $89 per barrel respectively, with a week - on - week change of +$3.0, +$3.5, and -$5.1. The inventory of US gasoline, diesel, and jet fuel was 250 million, 130 million, and 40 million barrels respectively, with a week - on - week change of +8.98 million, -30,000, and -890,000 barrels. The production of US gasoline, diesel, and jet fuel was 9.03 million, 5.3 million, and 1.85 million barrels per day respectively, with a week - on - week change of +30,000, -20,000, and -20,000 barrels. The consumption of US gasoline, diesel, and jet fuel was 8.3 million, 4.1 million, and 1.88 million barrels per day respectively, with a week - on - week change of +130,000, +900,000, and +180,000 barrels. The import, export, and net export of US gasoline were 130,000, 860,000, and 730,000 barrels per day respectively, with a week - on - week change of +30,000, -110,000, and -130,000 barrels. Similar data is also provided for diesel and jet fuel [2][9]. - **Oil Service Market**: The average weekly daily rates of self - elevating offshore drilling platforms and semi - submersible offshore drilling platforms remained unchanged week - on - week, month - on - month, and quarter - on - quarter [9]. 3.2 This Week's Petroleum and Petrochemical Sector Market Review - **Petroleum and Petrochemical Sector Performance**: The report presents the performance of the petroleum and petrochemical sector, including the sector's overall performance and the performance of its sub - industries. However, specific numerical data is not fully presented in the provided text [11]. - **Listed Company Performance in the Sector**: The report shows the stock price changes of upstream companies in the sector, including CNOOC, PetroChina, Sinopec, and other companies, in the past week, month, quarter, year, and year - to - date. It also provides the valuation of these companies, including total market value, net profit attributable to the parent company, P/E ratio, and P/B ratio [22][23]. 3.3 Crude Oil Sector Data Tracking - **Crude Oil Price**: The report shows the prices of various crude oils such as Brent, WTI, Russian Urals, and Russian ESPO, as well as their price differences. It also analyzes the relationship between the US dollar index, LME copper price, and WTI crude oil price [8][9]. - **Crude Oil Inventory**: It presents the inventory data of US crude oil, including total inventory, commercial inventory, strategic inventory, and Cushing inventory, and analyzes the relationship between US commercial crude oil inventory and oil prices [8][41]. - **Crude Oil Supply**: It shows the production data of US crude oil, including production volume, the number of drilling rigs, and the number of fracturing fleets, and analyzes the relationship between the number of drilling rigs, fracturing fleets, and oil prices [8][60]. - **Crude Oil Demand**: It presents the crude oil processing volume and operating rate of US refineries, as well as the operating rates of Chinese local and major refineries [8]. - **Crude Oil Import and Export**: It shows the import, export, and net import data of US crude oil and petroleum products [8]. 3.4 Refined Oil Sector Data Tracking - **Refined Oil Price**: It analyzes the relationship between international oil prices and domestic gasoline, diesel, and jet fuel prices, and presents the prices and price differences of refined oils in different regions such as the US, Europe, and Singapore [9][91]. - **Refined Oil Inventory**: It shows the inventory data of US and Singapore gasoline, diesel, and jet fuel [9]. - **Refined Oil Supply**: It presents the production data of US gasoline, diesel, and jet fuel [9]. - **Refined Oil Demand**: It shows the consumption data of US gasoline, diesel, and jet fuel, as well as the number of airport security checks of US passengers [9][150]. - **Refined Oil Import and Export**: It shows the import, export, and net export data of US gasoline, diesel, and jet fuel [9]. 3.5 Oil Service Sector Data Tracking The report presents the average daily rates of self - elevating and semi - submersible offshore drilling platforms [9]. 3.6 Related Listed Companies - **Recommended Companies**: CNOOC/China National Offshore Oil Corporation (600938.SH/0883.HK), PetroChina/PetroChina Company Limited (601857.SH/0857.HK), Sinopec/China Petroleum & Chemical Corporation (600028.SH/0386.HK), CNOOC Energy Technology & Services Limited (601808.SH), Offshore Oil Engineering Co., Ltd. (600583.SH), CNOOC Development Co., Ltd. (600968.SH) [3]. - **Companies to Watch**: Sinopec Oilfield Service Corporation (600871.SH/1033.HK), China Petroleum Engineering & Construction Corporation (600339.SH), Sinopec Machinery Co., Ltd. (000852.SZ) [3].

Core Viewpoint - The company, CNOOC Services, is recognized as one of the largest integrated oilfield service providers globally, offering a comprehensive range of services across various stages of oil and gas exploration, development, and production [2] Group 1: Company Overview - CNOOC Services possesses a complete service chain and a robust offshore oil service equipment fleet [2] - The company's primary business includes geophysical data acquisition, engineering surveying services, drilling services, oilfield technical services, and vessel services [2] - CNOOC Services can provide both standalone operational services and integrated turnkey project services to its clients [2] Group 2: Service Regions - The service areas of CNOOC Services encompass offshore and onshore operations in China, as well as regions in Asia-Pacific, the Middle East, Europe, the Americas, and Africa [2] - In Europe, the company specifically operates in the North Sea, covering the UK and Norwegian sectors [2]

Market Overview - The oil service engineering sector experienced a decline of 3.44% on January 16, with Tongyuan Petroleum leading the drop [1] - The Shanghai Composite Index closed at 4101.91, down 0.26%, while the Shenzhen Component Index closed at 14281.08, down 0.18% [1] Stock Performance - Notable declines in individual stocks include: - Daoyuan Petroleum (300164) at 7.10, down 11.91% with a trading volume of 1.887 million shares and a transaction value of 13.49 billion [1] - Keli Co., Ltd. (920088) at 35.69, down 11.77% with a trading volume of 82,700 shares and a transaction value of 303 million [1] - Zhunyou Co., Ltd. (002207) at 8.26, down 8.43% with a trading volume of 435,000 shares and a transaction value of 365 million [1] Capital Flow - The oil service engineering sector saw a net outflow of 460 million from main funds, while retail investors contributed a net inflow of 391 million [1] - The table of capital flow indicates that: - Zhongyou Engineering (600339) had a main fund net inflow of 5.4486 million, while retail investors had a net inflow of 3.3170 million [2] - Haiyou Engineering (600583) experienced a main fund net outflow of 20.4936 million, but retail investors had a net inflow of 2.5745 million [2] - Beiken Energy (002828) faced a main fund net outflow of 23.0657 million, with a significant retail net inflow of 39.8684 million [2]

Core Viewpoint - The 2025 China Enterprise ESG "Golden Responsibility Award" aims to recognize companies that have made significant contributions to ESG (Environmental, Social, and Governance) practices, with over 5,000 enterprises participating in the evaluation process [1][4]. Group 1: ESG Services and Initiatives - Sina Finance ESG Rating Center offers 14 ESG services, including information, reports, training, and consulting, to help listed companies promote ESG concepts and enhance their sustainable development performance [1][4]. - In 2025, many quality enterprises in China are actively practicing their responsibilities in environmental, social, and governance aspects, while domestic financial institutions are steadily integrating ESG investment concepts into their entire business processes [1][4]. Group 2: Award Selection and Winners - The award selection process involved over three months of competition, combining ESG performance, professional evaluation scores, and online voting results [1][4]. - The winners of the 2025 China Enterprise ESG "Golden Responsibility Award" for Best Social Responsibility include China Shenhua, China General Nuclear Power, China Resources Sanjiu, Sinopec, Shougang, Wuliangye, Yangtze Power, China Telecom, CNOOC Services, and LONGi Green Energy [2][5]. Group 3: ESG Rating Center Overview - The Sina Finance ESG Rating Center is the first Chinese ESG professional information and rating aggregation platform, dedicated to promoting sustainable development and responsible investment [3][6]. - The center aims to establish ESG evaluation standards suitable for China's characteristics and enhance corporate ratings, while also launching multiple ESG innovation indices for investors [3][6].

Core Viewpoint - The 2025 China Enterprise ESG "Golden Responsibility Award" aims to recognize companies and institutions that have made significant contributions to ESG initiatives in China, reflecting a shift from voluntary practices to compliance requirements in ESG performance [1][18]. Group 1: Award Categories and Winners - The award includes ten categories: Best Environmental Responsibility Award, Best Social Responsibility Award, Best Corporate Governance Responsibility Award, Best Responsibility Initiative Award, Annual Sustainable Development Award, Best Responsible Investment Bank Award, Best Responsible Investment Securities Company Award, Best Responsible Investment Insurance Company Award, Best Responsible Investment Fund Company Award, and Best Responsible Investment Asset Management Institution Award [1][18]. - The Best Environmental Responsibility Award winners include: Sungrow Power Supply, Industrial Fulian, Kweichow Moutai, Geely Automobile, Haier Smart Home, Hisense Visual Technology, Linyang Electronics, Tongwei Co., Weichai Power, and Luxshare Precision [10][28]. - The Best Social Responsibility Award winners include: China Shenhua, China General Nuclear Power, China Resources Sanjiu, Sinopec, Shougang, Wuliangye, Yangtze Power, China Telecom, China Oilfield Services, and LONGi Green Energy [10][28]. - The Best Corporate Governance Responsibility Award winners include: Zijin Mining, SF Holding, ZTE Corporation, Industrial Fulian, JA Solar, Sany Heavy Industry, Nanjing Steel, Bright Dairy, TCL Zhonghuan, and Fuyao Glass [10][28]. - The Best Responsibility Initiative Award winners include: FiberHome Technologies, Wens Foodstuff Group, Haitian Flavoring and Food, Aier Eye Hospital, Yunnan Baiyao, Anker Innovations, Kingfa Sci. & Tech., Huatai Securities, Silex, and Hainengda [11][28]. - The Annual Sustainable Development Award winners include: China General Nuclear Power, Sungrow Power Supply, Kweichow Moutai, Contemporary Amperex Technology, Zijin Mining, Hikvision, Yili, Baosteel, Chint Electric, and China Mobile [11][28]. Group 2: Responsible Investment Awards - The Best Responsible Investment Bank Award winners include: Agricultural Bank of China, Industrial and Commercial Bank of China, China Construction Bank, China Merchants Bank, Industrial Bank, and Bank of China [11][28]. - The Best Responsible Investment Securities Company Award winners include: Guotai Junan, Everbright Securities, CITIC Securities, Huatai Securities, and CICC [12][28]. - The Best Responsible Investment Insurance Company Award winners include: China Life Insurance, China Ping An, China Pacific Insurance, China Re, Sunshine Insurance, and China Life [13][28]. - The Best Responsible Investment Fund Company Award winners include: Bosera Funds, Southern Fund, China Asset Management, Penghua Fund, Huitianfu Fund, and E Fund [14][28]. - The Best Responsible Investment Asset Management Institution Award winners include: China Life Asset Management, Huaxia Wealth Management, Xingyin Wealth Management, Taikang Asset, Taikang Asset, and Galaxy Investment [15][28]. Group 3: ESG Development Context - By 2025, China's ESG development has transitioned from "setting standards" to "strengthening regulations," with a comprehensive disclosure standard system being established [1][18]. - The ESG performance of enterprises is now a compliance requirement, linking commercial value with social value [1][18]. - The ESG rating center aims to promote sustainable development and responsible investment, enhancing the ESG performance of listed companies [17][34].

Core Viewpoint - CNOOC Services (02883) saw a nearly 5% increase, with a current rise of 3.91% to HKD 7.97, and a trading volume of HKD 140 million, driven by geopolitical tensions affecting oil prices [1] Group 1: Market Impact - U.S. President Trump's intensified rhetoric against Iran has raised market concerns about potential U.S. intervention, leading to a spike in international oil prices, reaching a two-month high [1] - LSEG data indicates that geopolitical tensions in Iran and Venezuela have supported global benchmark prices, with the premium of Brent crude over Dubai crude reaching its highest level since July [1] Group 2: Industry Outlook - According to a report from Everbright Securities, significant upstream capital expenditure in China is expected to ensure growth in upstream production and reserves, benefiting oil service companies [1] - The "Three Oil Giants" are actively responding to the Belt and Road Initiative, with their overseas business expansion gradually deepening, allowing subsidiary engineering companies to leverage the advantages of their parent companies and seize new opportunities abroad, likely leading to sustained breakthroughs in overseas business development [1]

Core Viewpoint - CNOOC Services (02883) has seen a nearly 5% increase in stock price, currently trading at HKD 7.97, with a transaction volume of HKD 140 million, driven by rising international oil prices due to geopolitical tensions involving Iran and Venezuela [1] Group 1: Market Impact - U.S. President Trump's strong rhetoric against Iran has raised market concerns about potential U.S. intervention, leading to a spike in international oil prices, reaching a two-month high [1] - LSEG data indicates that the premium of Brent crude over Dubai crude has risen to its highest level since July, supported by geopolitical tensions [1] Group 2: Industry Outlook - Everbright Securities reports that significant upstream capital expenditure in China will support the growth of upstream production and reserves, benefiting oil service companies [1] - The "Three Oil Giants" are actively responding to the Belt and Road Initiative, with overseas business layouts gradually deepening, allowing subsidiary engineering companies to leverage parent company advantages for new opportunities abroad [1]