Meeting Overview - The annual shareholders' meeting of Shanghai Tunnel Engineering Co., Ltd. is scheduled for June 27, 2025, at 14:30 [1] - The meeting will be held at the company's base in Shanghai, with both on-site and online voting options available [1][5] - Shareholders must register for the meeting between 14:00 and 14:30 on the day of the meeting [5] Voting Procedures - Shareholders can vote through the Shanghai Stock Exchange's online voting system or in person [1][4] - The voting period for online participation is from 9:15 to 15:00 on the day of the meeting [1] - Shareholders holding multiple accounts can aggregate their voting rights across all accounts [4][5] Agenda Items - The meeting will review several key proposals, including the profit distribution plan for the end of 2024 and the appointment of a new accounting firm [1][2] - Independent directors will present their annual reports during the meeting [2] Voting Rights and Regulations - Shareholders must ensure that their votes do not exceed their entitled voting rights [5] - The cumulative voting system will be used for electing directors and supervisors, allowing shareholders to allocate their votes among candidates [8][9] Attendance and Registration - Only shareholders registered by the close of trading on June 20, 2025, are eligible to attend [5] - Proxy representation is allowed, and the proxy does not need to be a shareholder [5] Contact Information - The company has provided contact details for inquiries related to the meeting [6]

关于召开2024年年度股东会的通知 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 | 证券代码：600820 | 证券简称：隧道股份 | | 公告编号：2025-025 | | --- | --- | --- | --- | | 债券代码：185752 | 债券简称：22 | 隧道 | 01 | | 债券代码：115633 | 债券简称：23 | 隧道 | K1 | | 债券代码：115902 | 债券简称：23 | 隧道 | K2 | 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。 上海隧道工程股份有限公司 重要内容提示： 一、 召开会议的基本情况 (二)股东会召集人：董事会 (三)投票方式：本次股东会所采用的表决方式是现场投票和网络投票相结合的方 式 (四)现场会议召开的日期、时间和地点 召开的日期时间：2025 年 6 月 27 日 14 点 30 分 股东会召开日期：2025年6月27日 本次股东会采用的网络投票系统：上海证券交易所股东大会网络投票系 统 召开地点：上海市大连路 118 号隧道股份大连路基地 6 楼英豪厅 (五)网络投票的系统、起止日期和投票时间。 ...

| 证券代码：600820 | 证券简称：隧道股份 | | | 公告编号：临 2025-024 | | --- | --- | --- | --- | --- | | 债券代码：185752 | 债券简称：22 | 隧道 | 01 | | | 债券代码：115633 | 债券简称：23 | 隧道 | K1 | | | 债券代码：115902 | 债券简称：23 | 隧道 | K2 | | 上海隧道工程股份有限公司 关于控股股东获得 A 股股份增持资金贷款支持的公告 本公司董事会、全体董事及相关股东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。 上海隧道工程股份有限公司（以下简称"公司"）于 2025 年 5 月 17 日在上海证券交易所网站披露了《上海隧道工程股份有限公司关 于控股股东增持公司股份计划的公告》（公告编号：2025-021）。公司 控股股东上海城建（集团）有限公司（以下简称"城建集团"）自 2025 年 5 月 16 日起至 2026 年 5 月 15 日，通过上海证券交易所允许的方 式（包括但不限于集中竞价交易、大宗交易、资管计划等 ...

Core Viewpoint - The company Shanghai Tunnel Engineering Co., Ltd. (隧道股份) announced that its controlling shareholder, Shanghai Urban Construction (Group) Co., Ltd., will increase its stake in the company by purchasing 21.8283 million A-shares, representing 0.6943% of the total share capital, for a total investment of RMB 132 million [1] Summary by Categories Shareholding Increase - The controlling shareholder plans to conduct the share purchase from May 16 to May 22, 2025, through centralized bidding on the Shanghai Stock Exchange [1] - The total number of shares to be acquired is 21.8283 million, which constitutes 0.6943% of the company's total share capital [1] Funding Sources - The funds for this share purchase will come from the controlling shareholder's own funds and self-raised funds [1] - The self-raised funds include a loan of up to RMB 450 million from Industrial and Commercial Bank of China [1]

Core Viewpoint - Shanghai Tunnel Engineering Co., Ltd. announced a change in the equity stake of its major shareholder, Shanghai Urban Construction (Group) Co., Ltd., which increased its holding from 30.68% to 31.05% [1][2]. Group 1: Shareholder Information - The equity change was executed by Shanghai Urban Construction (Group) Co., Ltd., which is the controlling shareholder and its action is in line with a previously disclosed shareholding increase plan [2]. - The increase in shareholding does not trigger mandatory tender offer obligations [2]. Group 2: Equity Change Details - The number of shares held before the change was not specified, but the increase in percentage indicates a direct acquisition of shares [1]. - The equity change occurred between May 19, 2025, and May 20, 2025 [1]. Group 3: Compliance and Future Plans - The equity change complies with relevant laws and regulations, including the Securities Law of the People's Republic of China and the Management Measures for the Acquisition of Listed Companies [2]. - The increase in shareholding will not lead to a change in the controlling shareholder or actual controller of the company [2]. - The shareholding increase plan is not yet fully implemented, and the company will continue to monitor and disclose information regarding the plan [2].

重要内容提示： | 权益变动方向 | 比例增加□ | | 比例减少□ | | --- | --- | --- | --- | | 权益变动前合计比例 | 30.68% | | | | 权益变动后合计比例 | 31.05% | | | | 本次变动是否违反已作出的承 | 是□ | 否□ | | | 诺、意向、计划 | | | | | 是否触发强制要约收购义务 | 是□ | 否□ | | 一、 信息披露义务人及其一致行动人的基本信息 | 证券代码：600820 | 证券简称：隧道股份 | | | 公告编号：临 | 2025-023 | | --- | --- | --- | --- | --- | --- | | 债券代码：185752 | 债券简称：22 | 隧道 | 01 | | | | 债券代码：115633 | 债券简称：23 | 隧道 | K1 | | | | 债券代码：115902 | 债券简称：23 | 隧道 | K2 | | | 上海隧道工程股份有限公司关于持股 5%以上股东权益变动 触及 1%刻度的提示性公告 上海城建（集团）有限公司保证向本公司提供的信息真实、准确、完整，没有虚假记载、误 ...

| 证券代码：600820 | 股票简称：隧道股份 | | | 编号：临 2025-022 | | --- | --- | --- | --- | --- | | 债券代码：185752 | 债券简称：22 | 隧道 | 01 | | | 债券代码：115633 | 债券简称：23 | 隧道 | K1 | | | 债券代码：115902 | 债券简称：23 | 隧道 | K2 | | 上海隧道工程股份有限公司 关于召开 2024 年度暨 2025 年第一季度业绩说明会的公告 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。 重要内容提示： https://roadshow.sseinfo.com/） 会议召开方式：上证路演中心视频直播和网络互动 投资者可于 2025 年 05 月 21 日（星期三）至 05 月 27 日（星期二） 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 600820@stec.net 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。 三、参加人员 董事长兼财务总 ...

Core Viewpoint - Shanghai Tunnel Engineering Co., Ltd. (referred to as "the Company") announced a shareholding increase plan by its controlling shareholder, Shanghai Urban Construction (Group) Co., Ltd. (referred to as "Urban Construction Group") to enhance investor confidence and promote sustainable development [2][4]. Summary by Relevant Sections Shareholder Information - The controlling shareholder, Urban Construction Group, holds 958,716,588 shares, accounting for 30.49% of the Company's total share capital [2][4]. - The increase plan is aimed at maintaining the interests of all shareholders and enhancing investor confidence [3]. Increase Plan Details - The increase plan will be executed from the date of the announcement until May 15, 2026, with a total investment amount between RMB 250 million and RMB 500 million [2][4]. - The maximum number of shares to be acquired will not exceed 2% of the total share capital [2][4]. - The shares will be purchased through methods allowed by the Shanghai Stock Exchange, including centralized bidding, block trading, and asset management plans [4]. Shareholding Changes - Following the initial increase, Urban Construction Group's shareholding will rise to 964,624,888 shares, representing 30.68% of the total share capital [4]. - The first increase will involve the acquisition of 5,908,300 shares, which is 0.1879% of the total share capital [3][4]. Funding Sources - The funding for the share purchase will come from the Group's own funds and/or self-raised funds [4]. Regulatory Compliance - The increase plan complies with the policies of the central government, the China Securities Regulatory Commission, and the Shanghai State-owned Assets Supervision and Administration Commission [2][3]. - The plan does not trigger a mandatory tender offer and will not change the controlling shareholder or actual controller of the Company [2][4].

| 证券代码：600820 | 证券简称：隧道股份 | | | 公告编号：2025-021 | | --- | --- | --- | --- | --- | | 债券代码：185752 | 债券简称：22 | 隧道 | 01 | | | 债券代码：115633 | 债券简称：23 | 隧道 | K1 | | | 债券代码：115902 | 债券简称：23 | 隧道 | K2 | | 上海隧道工程股份有限公司 关于控股股东增持公司股份计划的公告 本公司董事会、全体董事及相关股东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： 本次增持主体为上海隧道工程股份有限公司（简称"公司"、"隧道股 份"）控股股东上海城建（集团）有限公司（简称"城建集团"），本次 增持计划实施前，城建集团持有公司 958,716,588 股无限售条件流通 股，占公司总股本的 30.49%。 为贯彻落实党中央、国务院政策精神和中国证监会的监管规定，以及 上海市国资委关于市值管理的相关要求，维护隧道股份全体股东利益、 增强投资者信心、促进公司高质量可持续发展，在综合 ...

Core Viewpoint - The controlling shareholder, Chengjian Group, plans to increase its stake in Tunnel Corporation (600820) by investing between 250 million to 500 million yuan, representing up to 2% of the total share capital, by May 15, 2026 [1] Summary by Relevant Sections - **Shareholding Increase Plan** - Chengjian Group intends to acquire shares through various methods including centralized bidding, block trading, and asset management plans [1] - The total investment amount will not be less than 250 million yuan and not exceed 500 million yuan [1] - The increase in shareholding will not trigger a mandatory tender offer and will not change the controlling shareholder or actual controller of the company [1] - **Funding Sources** - The funds for this share acquisition will come from the group's own funds and/or self-raised funds [1] - **Market Conditions and Risks** - The implementation of the shareholding increase plan may be affected by changes in capital market conditions or other risk factors [1]