重要内容提示： 证券代码：603727 证券简称：博迈科 公告编号：临 2025-038 博迈科海洋工程股份有限公司 关于参加 2025 年天津辖区上市公司投资者 网上集体接待日活动的公告 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。 投资者可于 2025 年 9 月 10 日(星期三）16:00 前通过博迈科海洋工程股 份有限公司（以下简称"公司"）邮箱 securities@bomesc.com 进行预提问，公 司将在活动当天对投资者普遍关注的问题进行回答。 为进一步加强与投资者的互动交流，公司将参加由天津证监局指导、天津上 市公司协会及深圳市全景网络有限公司联合举办的"2025 年天津辖区上市公司 投资者网上集体接待日活动"，就投资者关心的问题进行交流。 一、 说明会类型 本次活动将采用网络远程的方式举行，公司将针对公司业绩、公司治理、发 展战略、经营状况和可持续发展等投资者关心的问题与投资者进行互动交流和沟 通，在信息披露允许的范围内就投资者普遍关注的问题进行回答，欢迎广大投资 者踊跃参与！ 二、 说明会召开的时间、 ...

Market Overview - On August 29, the oil service engineering sector declined by 1.11%, with Haiyou Development leading the drop [1] - The Shanghai Composite Index closed at 3857.93, up 0.37%, while the Shenzhen Component Index closed at 12696.15, up 0.99% [1] Individual Stock Performance - Among the oil service engineering stocks, Zhongman Petroleum (603619) rose by 1.98% to a closing price of 19.57, with a trading volume of 174,400 shares and a transaction value of 340 million yuan [1] - Haiyou Development (600968) fell by 2.44% to a closing price of 66, with a trading volume of 927,500 shares and a transaction value of 374 million yuan [2] - Other notable performers include Renji Co. (002629) with a 1.48% increase and a closing price of 6.85, and Qianeng Hengxin (300191) with a 1.28% increase and a closing price of 20.56 [1][2] Capital Flow Analysis - The oil service engineering sector experienced a net outflow of 165 million yuan from institutional investors, while retail investors saw a net inflow of 80.99 million yuan [2] - The capital flow for individual stocks indicates that Zhongman Petroleum had a net inflow of 56.2 million yuan from institutional investors, while Haiyou Development had a net outflow of 9.35 million yuan [3]

Market Performance - The oil service engineering sector increased by 0.86% on August 25, with Zhongman Petroleum leading the gains [1] - The Shanghai Composite Index closed at 3883.56, up 1.51%, while the Shenzhen Component Index closed at 12441.07, up 2.26% [1] Stock Performance - Zhongman Petroleum (60361a) closed at 20.79, up 2.26% with a trading volume of 181,200 shares and a transaction value of 372 million [1] - Tongyuan Petroleum (300164) closed at 5.47, up 2.24% with a trading volume of 998,000 shares and a transaction value of 544 million [1] - Other notable stocks include Yingsi Thought (601808) at 14.62 (+1.39%), Huibo Yin (002554) at 3.01 (+1.01%), and PetroChina Engineering (600339) at 3.63 (+0.83%) [1] Capital Flow - The oil service engineering sector experienced a net outflow of 139 million from institutional investors, while retail investors saw a net inflow of 152 million [2][3] - The detailed capital flow indicates that major stocks like Haiyou Development (600968) had a net inflow of 54.61 million from institutional investors, while Zhongman Petroleum (60361a) had a net inflow of 9.93 million [3]

Market Performance - The oil service engineering sector increased by 1.61% on August 20, with Qianeng Hengxin leading the gains [1] - The Shanghai Composite Index closed at 3766.21, up 1.04%, while the Shenzhen Component Index closed at 11926.74, up 0.89% [1] Stock Performance - Qianeng Hengxin (300191) closed at 20.91, up 3.98% with a trading volume of 208,100 shares and a transaction value of 437 million [1] - Haiyou Development (600968) closed at 4.07, up 3.30% with a trading volume of 1,260,600 shares and a transaction value of 511 million [1] - Other notable stocks include Bomaike (603727) at 14.87 (+1.99%), Zhongyou Engineering (600339) at 3.52 (+1.73%), and Shihua Oil Service (600871) at 2.06 (+1.48%) [1] Capital Flow - The oil service engineering sector saw a net inflow of 75.06 million from main funds, while retail funds experienced a net outflow of 3.08 million [2] - Main funds showed significant inflows into Qianeng Hengxin (47.51 million) and Haiyou Development (25.45 million), while notable outflows were seen in Huibo Yin (-6.28 million) and Zhongman Petroleum (-9.39 million) [3]

Market Overview - On August 19, the oil service engineering sector experienced a slight decline of 0.05% compared to the previous trading day, with Keli Co., Ltd. leading the drop [1] - The Shanghai Composite Index closed at 3727.29, down 0.02%, while the Shenzhen Component Index closed at 11821.63, down 0.12% [1] Stock Performance - Notable gainers in the oil service engineering sector included: - Renji Co., Ltd. (002629) with a closing price of 7.11, up 3.19% and a trading volume of 267,400 shares, totaling 188 million yuan [1] - Beiken Energy (002828) closed at 10.67, up 1.33% with a trading volume of 208,900 shares, totaling 222 million yuan [1] - Other stocks showed minor fluctuations, with some experiencing negligible changes [1] Capital Flow - The oil service engineering sector saw a net outflow of 35.21 million yuan from institutional investors, while retail investors contributed a net inflow of 26.13 million yuan [2] - The overall capital flow indicates a mixed sentiment among different investor types, with institutional investors withdrawing funds while retail investors increased their positions [2] Individual Stock Capital Flow - Key stocks and their capital flow include: - Haiyou Development (600968) with a net inflow of 17.93 million yuan from institutional investors, but a net outflow of 22.72 million yuan from retail investors [3] - Beiken Energy (002828) saw a net inflow of 16.56 million yuan from institutional investors, but a significant net outflow of 20.92 million yuan from speculative funds [3] - The data reflects varying levels of confidence in different stocks within the sector, with some attracting institutional interest while others face selling pressure from speculative investors [3]

Group 1 - The company's stock price closed at 14.57 yuan on August 15, 2025, down 0.61%, with a turnover rate of 1.77% and a trading volume of 50,000 hands, resulting in a transaction amount of 73.2014 million yuan [1] - The company has a total share capital of 281.7 million shares and cash reserves of 960 million yuan, equating to 3.4 yuan per share in cash [2] - The company has participated in numerous international bidding projects due to its extensive industry experience, especially in the context of high international oil prices and rapid project advancement in the offshore engineering market [2] Group 2 - The company has signed contracts worth over 6 billion yuan in the Far East and is currently the only company engaged in oil and gas development platforms in that region, with expectations for significant growth in development efforts [2] - The company has over 20 years of operational experience in the offshore engineering industry, successfully delivering numerous international projects, and possesses sufficient technical reserves and qualified personnel to meet project demands [2] - The company has prudently recognized asset impairment provisions and expected liabilities in accordance with accounting standards, allowing for effective operational risk management [2] Group 3 - On August 15, the net inflow of main funds was 3.661 million yuan, accounting for 5.0% of the total transaction amount, while speculative funds saw a net inflow of 7.356 million yuan, representing 10.05% of the total transaction amount [3] - Retail investors experienced a net outflow of 11.017 million yuan, which constituted 15.05% of the total transaction amount [3]

Market Overview - The oil service engineering sector experienced a decline of 1.49% on August 14, with Renji Co. leading the drop [1] - The Shanghai Composite Index closed at 3666.44, down 0.46%, while the Shenzhen Component Index closed at 11451.43, down 0.87% [1] Stock Performance - Notable stock performances included: - Bomaike (603727) rose by 3.39% to a closing price of 14.66 [1] - Other companies such as CNOOC Engineering (600583) and China Oil Engineering (600339) saw declines of 0.52% and 2.52%, respectively [1] - The trading volume and turnover for selected stocks were significant, with CNOOC Development (600968) recording a turnover of 3.45 billion yuan [1] Capital Flow - The oil service engineering sector saw a net outflow of 182 million yuan from main funds, while retail investors contributed a net inflow of 171 million yuan [2] - Specific stock capital flows included: - CNOOC Development (600968) had a main fund net inflow of 28.04 million yuan, but a net outflow from retail investors of 6.38 million yuan [2] - Bomaike (603727) experienced a main fund net inflow of 16.58 million yuan, with retail investors showing a net outflow of 19.67 million yuan [2] - The overall trend indicates a mixed sentiment among different investor types within the sector [2]

Market Performance - On August 13, the oil service engineering sector rose by 0.75% compared to the previous trading day, with CNOOC Development leading the gains [1] - The Shanghai Composite Index closed at 3683.46, up 0.48%, while the Shenzhen Component Index closed at 11551.36, up 1.76% [1] Individual Stock Performance - CNOOC Development (600968) closed at 4.15, with a gain of 3.23% and a trading volume of 1.7567 million shares, amounting to a transaction value of 730 million yuan [1] - Other notable stocks included PetroChina Oilfield Services (600871) with a closing price of 2.05, up 0.99%, and Zhongman Petroleum (619609) at 19.79, up 0.61% [1] - Conversely, stocks like Renji Co. (002629) and Zhongyou Engineering (600339) saw slight declines of 0.27% and 0.28%, respectively [1] Capital Flow Analysis - The oil service engineering sector experienced a net outflow of 122 million yuan from institutional investors, while retail investors saw a net inflow of 207 million yuan [2] - The overall capital flow indicates a mixed sentiment, with institutional investors pulling back while retail investors increased their positions [2] Detailed Capital Flow for Key Stocks - CNOOC Development had a net inflow of 49.2 million yuan from institutional investors, while retail investors contributed a net inflow of 6.55 million yuan [3] - In contrast, stocks like Renji Co. and Zhongyou Engineering faced net outflows from both institutional and retail investors, indicating weaker demand [3] - The data suggests that while some stocks are attracting retail interest, institutional investors are more cautious, leading to varied performance across the sector [3]

Group 1 - The first extraordinary general meeting of shareholders for 2025 was held on August 11, 2025, at the company's conference room, with no resolutions being rejected [2][4] - The meeting was chaired by the chairman, Mr. Peng Wencheng, and followed the voting procedures in accordance with the Company Law and the company's articles of association [2][3] - All current directors (9) attended except for one independent director, Mr. Lu Jianzhong, who was absent due to personal reasons [3] Group 2 - The meeting approved the reappointment of Rongcheng Accounting Firm as the company's auditing institution for the year 2025 [4] - A resolution to abolish the supervisory board and amend the company's articles of association was also passed [4] - The voting results indicated that the special resolution regarding the abolition of the supervisory board received over two-thirds of the votes from shareholders present [5] Group 3 - The extraordinary general meeting was witnessed by Beijing Zhonglun Law Firm, which confirmed that the meeting's procedures and voting were in compliance with legal requirements [6][7] - The law firm concluded that the meeting's resolutions were legal and valid [7] Group 4 - The company announced the resignation of Mr. Wei Dongchao from his position as a shareholder representative director due to internal work adjustments [10] - Mr. Wei was subsequently elected as the employee representative director during the first employee representative meeting held on August 11, 2025, with his term aligning with the current board's term [11] - The resignation of Mr. Wei will not affect the board's operational capacity or the company's daily operations [11] Group 5 - Mr. Wei Dongchao has a background in energy and power engineering and has held various positions within the company since 2012, including procurement manager and assistant to the president [13] - He does not hold any shares in the company and meets the qualifications required by the Company Law [13]

法律意见书 北京市中伦律师事务所 关于博迈科海洋工程股份有限公司 法律意见书 致：博迈科海洋工程股份有限公司 北京市中伦律师事务所（以下简称"本所"）作为博迈科海洋工程股份有限 公司（以下简称"公司"）的常年法律顾问，受公司委托，指派律师出席公司2025 年第一次临时股东大会（以下简称"本次股东大会"）。本所律师根据《中华人 民共和国公司法》（以下简称"《公司法》"）、《中华人民共和国证券法》（以 下简称"《证券法》"）》《上市公司股东会规则》等相关法律、法规、规范性 文件及《博迈科海洋工程股份有限公司章程》（以下简称"《公司章程》"）的 规定，对本次股东大会进行见证并出具法律意见。 本所及经办律师依据《证券法》《律师事务所从事证券法律业务管理办法》 和《律师事务所证券法律业务执业规则》等规定及本法律意见书出具日以前已经 发生或者存在的事实，严格履行了法定职责，遵循了勤勉尽责和诚实信用原则， 进行了充分的核查验证，保证本法律意见所认定的事实真实、准确、完整，所发 表的结论性意见合法、准确，不存在虚假记载、误导性陈述或者重大遗漏，并承 担相应法律责任。 一、本次股东大会的召集、召开程序 （一）本次股东大会由公司 ...