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个别及连带责任。 重要内容提示： ● 2025年5月27日至2025年6月10日，重庆建工集团股份有限公司 （以下简称"公司"）股价已出现连续十个交易日的收盘价格低于当期 转股价格的90%的情形，触发"建工转债"转股价格向下修正条款。 ● 经公司第五届董事会第四十三次会议审议通过《关于公司向下 修正"建工转债"转股价格的议案》，公司董事会提议向下修正"建工 转债"的转股价格。 | 转债代码：110064 | 转债简称：建工转债 | | | --- | --- | --- | | 证券代码：600939 债券代码：254104 | 证券简称：重庆建工 债券简称：24 渝建 01 | 公告编号：临 2025-063 | 重庆建工集团股份有限公司 关于董事会提议向下修正"建工转债"转股价格的 公告 二、建工转债的转股价格 — 1 — 根据《上海证券交易所股票上市规则》有关规定及《重庆建工集 团股份有限公司公开发行可转换公司债券募集说明书》（以下简称《募 集说明书》）的约定，公司本次发行的可转债转股 ...

| 转债代码：110064 | 转债简称：建工转债 | | | | | --- | --- | --- | --- | --- | | 证券代码：600939 债券代码：254104 | 证券简称：重庆建工 债券简称：24 | 渝建 01 | 公告编号：临 | 2025-061 | 重庆建工集团股份有限公司 股票交易异常波动公告 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个别及连带责任。 重要内容提示： 重庆建工集团股份有限公司（以下简称"本公司"或"公司"）股 票于 2025 年 6 月 4 日—6 月 6 日连续三个交易日收盘价格涨幅偏离 值累计超过 20%，根据《上海证券交易所交易规则》的有关规定，属 于股票交易异常波动。 经公司自查并书面函询公司控股股东，截至公告披露日，除本 公司已披露事项外，不存在应披露而未披露的重大信息。 生产经营风险：2025 年 4 月 30 日，公司在上海证券交易所网 站披露《重庆建工 2024 年年度报告》和《重庆建工 2025 年第一季度 报告》：2024 年归属于上市公司股东的净利润为-43 ...

Group 1 - The company held its 42nd meeting of the fifth supervisory board on June 4, 2025, with all six supervisors present, confirming the legality and validity of the meeting procedures [1][2] - The supervisory board approved the proposal to accept guarantees from the controlling shareholder and pay guarantee fees, with a unanimous vote of 6 in favor [1] - The board also approved a proposal to provide guarantees for the controlling shareholder's credit application to financial institutions, again with a unanimous vote of 6 in favor [1] - A proposal for providing mortgage guarantees between wholly-owned subsidiaries of the company was also approved, pending submission to the shareholders' meeting for further review [2]

Group 1 - The annual general meeting of Chongqing Construction Group Co., Ltd. is scheduled for June 25, 2025, at 14:30 [1][3] - The meeting will be held at the company's office located at 1596 Jinkai Avenue, Chongqing Liangjiang New Area [1][3] - Shareholders can participate in the voting through the Shanghai Stock Exchange's online voting system on the same day [1][3] Group 2 - The agenda includes the review of the 2024 annual salary execution and the 2025 salary distribution plan for directors and supervisors [2][4] - Other items on the agenda include the execution of daily related transactions for 2024 and the expected transactions for 2025 [2][4] - The meeting will also discuss providing guarantees for the controlling shareholder's credit applications to financial institutions [2][4] Group 3 - Shareholders must register to attend the meeting, with the registration deadline set for June 23, 2025 [5][6] - The registration can be done in person or through written authorization for representatives [5][6] - Multiple accounts held by shareholders can participate in the voting, but the first voting result will be considered valid [4][6] Group 4 - The company will provide contact information for inquiries related to the meeting, including a phone number and address [7] - Shareholders are responsible for their own travel and accommodation expenses when attending the meeting [7]

Summary of Key Points Core Viewpoint - The company is providing additional collateral guarantees for its wholly-owned subsidiary, Chongqing Construction Eleventh Engineering Co., Ltd., to support its operational needs and ensure business continuity. Group 1: Guarantee Overview - The company is providing a joint liability guarantee of up to 50 million yuan for the loan application of Chongqing Construction Eleventh Engineering Co., Ltd. from Chongqing Bank [2] - The additional collateral is a residential property valued at 10.3135 million yuan, owned by Chongqing Construction Ninth Engineering Co., Ltd. [2][3] - As of March 31, 2025, the total guarantee amount provided to the Eleventh Engineering Company is 121.9 million yuan, excluding this new guarantee [1][2] Group 2: Financial Data of the Guaranteed Entity - As of December 31, 2024, the total assets of Chongqing Construction Eleventh Engineering Co., Ltd. were 1,909.4944 million yuan, with total liabilities of 1,665.1127 million yuan, resulting in a debt-to-asset ratio of approximately 87.2% [3] - As of March 31, 2025, the total assets were 1,845.7424 million yuan, with total liabilities of 1,599.095 million yuan, maintaining a debt-to-asset ratio of approximately 86.6% [3] Group 3: Internal Decision-Making Process - The board of directors approved the proposal for providing collateral guarantees, and the supervisory board also approved it unanimously [2][4] - Due to the debt-to-asset ratio exceeding 70%, the guarantee must be submitted for shareholder approval [2][4] Group 4: Necessity and Reasonableness of the Guarantee - The additional collateral is deemed necessary to meet the operational needs of the Eleventh Engineering Company and aligns with the company's overall development strategy [4] - The company maintains actual control over both the Ninth and Eleventh Engineering Companies, allowing it to manage credit risks effectively [4] Group 5: Cumulative Guarantee Information - As of March 31, 2025, the total amount of guarantees provided by the company and its subsidiaries is 5.549 billion yuan, within the annual guarantee limit [4] - The company has no overdue external guarantees [4]

Core Viewpoint - The company is providing a guarantee for its controlling shareholder, Chongqing Construction Investment Holding Co., Ltd., to apply for a credit limit from financial institutions, with a total guarantee amount not exceeding 790 million yuan [1][2] Summary by Sections Guarantee Overview - The guarantee amount for Chongqing Construction Holding is up to 790 million yuan, with the company currently having provided no guarantees to the shareholder or its subsidiaries [1][2] - The guarantee will be backed by a counter-guarantee from wholly-owned subsidiaries of Chongqing Construction Holding [2] Internal Decision-Making Process - The board of directors approved the guarantee with a unanimous vote, excluding related directors from voting, and the independent directors and audit committee also reviewed and approved the transaction [2][7] Basic Information of the Guaranteed Party - Chongqing Construction Holding is the controlling shareholder, holding 44.40% of the company's shares, and is not listed as a dishonest executor [3][4] Financial Situation of the Guaranteed Party - As of December 31, 2024, Chongqing Construction Holding had total assets of 8.842 billion yuan and a net profit of -593 million yuan for the year [4] - As of March 31, 2025, the unaudited net profit was -48 million yuan [4] Main Content of the Guarantee Agreement - The guarantee includes joint liability, mortgage, or pledge guarantees, covering principal, interest, penalties, and all related costs [4][5] Necessity and Reasonableness of the Guarantee - The guarantee is deemed necessary as Chongqing Construction Holding is operating normally and has the ability to repay debts, with a history of providing substantial guarantees to the company [5][7] Board of Directors' Opinion - The independent directors unanimously agreed that the guarantee is in line with mutual development principles and does not harm the interests of the company or minority shareholders [7] Cumulative External Guarantee and Overdue Guarantees - As of March 31, 2025, the company had provided guarantees totaling 5.549 billion yuan to its subsidiaries, with no overdue guarantees reported [8]

Core Viewpoint - Chongqing Construction Group Co., Ltd. plans to hold a performance briefing on June 12, 2025, to discuss its 2024 annual and 2025 first-quarter results, allowing investors to engage in Q&A sessions regarding the company's performance and financial indicators [1][2]. Group 1: Meeting Details - The performance briefing is scheduled for June 12, 2025, from 9:30 to 11:00 [2][3]. - The meeting will take place at the Shanghai Stock Exchange Roadshow Center, accessible via the website: https://roadshow.sseinfo.com/ [2][4]. - The format of the meeting will combine video recording and online interaction [2][3]. Group 2: Participation Information - Investors can submit questions from June 5, 2025, to June 11, 2025, before 16:00, through the "Pre-Question Collection" section on the Roadshow Center website or via the company's email [3][4]. - The company will address commonly asked questions during the briefing [2][3]. Group 3: Attendees - Key attendees include Chairman Sun Lidong, General Manager Zhou Jin, Independent Director Zhao Yongjun, and Financial Director Huang Zijun [2].

Core Viewpoint - Chongqing Construction Group Co., Ltd. will accept a full financing guarantee from its controlling shareholder, Chongqing Construction Investment Holding Co., Ltd., for an amount not exceeding 6 billion yuan in 2025, with a guarantee fee estimated at no more than 50.04 million yuan [1][2][5]. Summary by Sections Transaction Overview - The controlling shareholder, Chongqing Construction Investment Holding Co., Ltd., will provide a full financing guarantee for up to 6 billion yuan in 2025, charging a guarantee fee at a rate not exceeding 1.5% per annum for the portion exceeding its shareholding ratio [1][2]. - The estimated annual guarantee fee is capped at 50.04 million yuan, calculated based on the amount and duration of the guarantee contract signed with financial institutions, payable quarterly [2][4]. Related Party Information - Chongqing Construction Investment Holding Co., Ltd. holds 44.40% of the shares in Chongqing Construction Group, qualifying it as a related party [3][4]. - The financial status of the controlling shareholder includes total assets of 8.842 billion yuan and a net profit of -0.593 billion yuan for the year 2024 [4]. Reasonableness and Necessity of the Transaction - The transaction is deemed necessary for supporting the company's operations and is expected to enhance operational efficiency and business development [5]. - The guarantee fee is set at a fair market rate, ensuring no harm to the interests of the company or its shareholders, particularly minority shareholders [5][7]. Approval Process - The board of directors approved the transaction unanimously, with independent directors affirming the support from the controlling shareholder as beneficial for financing arrangements and business operations [6][7].

重要内容提示： https://roadshow.sseinfo.com/） 会议召开方式：上证路演中心视频录制和网络互动 投资者可于 2025 年 6 月 5 日（星期四）至 6 月 11 日（星期三）16:00 前登录上证路演中心网站首页点击"提问预征集"栏目或通过公司邮 箱 zqb@cceg.cn 进行提问。公司将在说明会上对投资者普遍关注的问 题进行回答。 重庆建工集团股份有限公司（以下简称"公司"）已于 2025 年 4 月 30 日发布公司 2024 年度报告及 2025 年第一季度报告，为便于广 大投资者更全面深入地了解公司2024年度及2025年第一季度经营成 果、财务状况，公司计划于 2025 年 6 月 12 日（星期四）9:30-11:00 举行 2024 年度暨 2025 年第一季度业绩说明会，就投资者关心的问题 进行交流。 | 证券代码：600939 | 证券简称：重庆建工 | 公告编号：临 | 2025-060 | | --- | --- | --- | --- | | 转债代码：110064 | 转债简称：建工转债 | | | | 债券代码：254104 | 渝建 债券简称：24 ...

| 证券代码：600939 | 证券简称：重庆建工 | 公告编号：临 2025-057 | | --- | --- | --- | | 转债代码：110064 | 转债简称：建工转债 | | | 债券代码：254104 | 债券简称：24 渝建 01 | | 重庆建工集团股份有限公司 关于全资所属公司之间增加抵押担保的公告 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个别及连带责任。 重要内容提示： ●被担保人名称：重庆建工集团股份有限公司（以下简称"公司" 或"本公司"）所属全资孙公司重庆建工第十一建筑工程有限责任 公司（以下简称"十一建公司"） ●本次担保金额及已实际为其提供的担保余额：本次公司全资子 公司重庆建工第九建设有限公司（以下简称"九建公司"）拟以名下 评估价值为 1,031.35 万元的居住用房为其全资子公司十一建公司增 加抵押担保。截止 2025 年 3 月 31 日，公司及所属公司已实际为十一 建公司提供的担保余额为 12,190.00 万元（不含本次）。 ●本次担保是否有反担保：无 （一）本次担保基本情况 公司为 ...