证券代码：600345 证券简称：长江通信 公告编号：2024-030 武汉长江通信产业集团股份有限公司 关于召开 2023 年年度股东大会的通知 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、召开会议的基本情况 (一) 股东大会类型和届次 2023 年年度股东大会 (二) 股东大会召集人：董事会 (三) 投票方式：本次股东大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：2024 年 6 月 18 日 14 点 30 分 召开地点：公司三楼会议室（武汉市东湖开发区关东工业园文华路 2 号） (五) 网络投票的系统、起止日期和投票时间。 网络投票系统：上海证券交易所股东大会网络投票系统 网络投票起止时间：自 2024 年 6 月 18 日 至 2024 年 6 月 18 日 采用上海证券交易所网络投票系统，通过交易系统投票平台的投票时间为股 东大会召开当日的交易时间段，即 9:15-9:25,9:30-11:30，13:00-15:00；通过 ...

Summary of the Conference Call Company Overview - The conference call is held by Wuhan Changjiang Dongxin Industrial Group Co., Ltd. to discuss the 2023 annual performance and cash dividend announcement [1] Key Points and Arguments - The management expresses gratitude to shareholders, investors, and attendees for their participation in the meeting [1] Other Important Content - No specific financial data, industry insights, or detailed performance metrics were provided in the excerpt [1]

Summary of Conference Call Company or Industry Involved - The conference call pertains to Changjiang Securities Research Institute Core Points and Arguments - The conference call is exclusively for whitelist clients of Changjiang Securities Research Institute, and any unauthorized disclosure or reproduction of the content is prohibited [1] Other Important but Possibly Overlooked Content - Changjiang Securities reserves the right to pursue legal action against any individual or organization that violates the confidentiality of the conference call [1]

会议召开时间：2024 年 05 月 23 日(星期四) 13:00-14:30 会议召开地点：上海证券交易所上证路演中心（网址： https://roadshow.sseinfo.com/） 会议召开方式：上证路演中心网络互动 投资者可于 2024 年 05 月 16 日（星期四）至 05 月 22 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"栏目或通过公司投资者关系邮箱（sh600345@ycig.com） 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。 一、说明会类型 股票代码：600345 股票简称：长江通信 公告编号：2024-028 武汉长江通信产业集团股份有限公司 关于召开 2023 年度业绩暨现金分红说明会的公告 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： 武汉长江通信产业集团股份有限公司（以下简称"公司"）已于 2024 年 04 月 30 日发布公司《2023 年年度报告》，为便于广大投资者 更全面深入地了解公司 2023 年度经营成果、财务状况 ...

关于中国信息通信科技集团有限公司 中信建投证券股份有限公司 免于发出要约收购武汉长江通信产业集团股份有限公司之 2023 年年度及 2024 年第一季度持续督导意见 武汉长江通信产业集团股份有限公司（以下简称"上市公司"或"长江通 信"）向电信科学技术第一研究所有限公司（以下简称"电信一所"）、青岛宏 坤元贾投资管理中心（有限合伙）、宁波爱鑫投资合伙企业（有限合伙）、申迪 （天津）企业管理合伙企业（有限合伙）、宁波荻鑫投资合伙企业（有限合伙）、 爱迪（天津）企业管理合伙企业（有限合伙）、国新双百壹号（杭州）股权投资 合伙企业（有限合伙）、兴迪（天津）企业管理合伙企业（有限合伙）、芜湖旷 沄人工智能产业投资基金（有限合伙）及湖北长江中信科移动通信技术产业投资 基金合伙企业（有限合伙）（以下简称"湖北长江 5G 基金"）发行股份购买其 合计持有的迪爱斯信息技术股份有限公司（以下简称"迪爱斯"）100%的股权， 同时向中国信息通信科技集团有限公司（以下简称"收购人"或"中国信科集 团"）非公开发行股份募集配套资金 64,999.999052 万元（以下简称"本次交 易"）。 中信建投证券股份有限公司（以下简称"中信 ...

关于 武汉长江通信产业集团股份有限公司 发行股份购买资产并募集配套资金暨关联交易 之 兴业证券股份有限公司 2023 年度持续督导意见 独立财务顾问 2024 年 5 月 1 声 明 兴业证券股份有限公司（以下简称"本独立财务顾问"或"独立财务顾问"） 受武汉长江通信产业集团股份有限公司（以下简称"长江通信""上市公司"或 "公司"）委托，担任本次发行股份购买资产并募集配套资金暨关联交易的独立 财务顾问。根据《中华人民共和国公司法》《中华人民共和国证券法》《上市公 司重大资产重组管理办法》和《上市公司并购重组财务顾问业务管理办法》等法 律法规的有关规定，按照证券行业公认的业务标准、道德规范，本着诚实信用、 勤勉尽责的态度，本独立财务顾问经过审慎核查，出具了本持续督导意见。 1、本持续督导意见所依据的文件、材料由交易各方提供，本次交易各方均 已向本独立财务顾问保证，其所提供的有关本次重组的相关信息真实、准确和完 整，没有虚假记载、误导性陈述或者重大遗漏。 3、本持续督导意见不构成对上市公司的任何投资建议，投资者根据本持续 督导意见所做出的任何投资决策而产生的相应风险，本独立财务顾问不承担任何 责任。 4、本独立 ...

股票代码：600345 股票简称：长江通信 公告编号：2024-027 武汉长江通信产业集团股份有限公司 关于董事辞职的公告 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。 武汉长江通信产业集团股份有限公司（以下简称"公司"）董事 会于近日收到公司董事李荣华先生提交的书面辞职报告。李荣华先生 因达到退休年龄，申请辞去公司第九届董事会董事职务。根据《公司 法》和《公司章程》的有关规定，李荣华先生的辞职报告自送达公司 董事会后生效。 李荣华先生的辞职不会导致公司董事人数低于法定人数，不会影 响公司董事会的规范运作和公司正常生产经营，公司将尽快完成董事 的补选工作。 李荣华先生担任公司董事期间，勤勉尽责、恪尽职守，为公司的 规范运作和健康发展发挥了积极作用。公司董事会对李荣华先生在任 职期间做出的贡献表示衷心感谢！ 特此公告。 武汉长江通信产业集团股份有限公司董事会 2024 年 5 月 7 日 ...

武汉长江通信产业集团股份有限公司 关于会计估计变更的补充公告 本公司董事会及全体董事保证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。 武汉长江通信产业集团股份有限公司（以下简称"公司"或"长 江通信"）于 2024 年 4 月 29 日分别召开第九届董事会第二十六次会 议和第九届监事会第十七次会议，审议通过《关于会计估计变更的议 案》，并于 2024 年 4 月 30 日在《中国证劵报》《上海证劵报》《证劵 时报》及上海证券交易所网站（www.sse.com.cn）披露了《关于会计 估计变更的公告》（公告编号：2024-021）。 为方便投资者进一步了解相关情况，现就上述会计估计变更事项 进行补充公告，具体如下： 一、会计估计变更概述 （一）变更原因 公司于 2023 年 12 月通过发行股份购买资产方式完成对上海迪 爱斯信息技术有限公司（简称"迪爱斯"，曾用名"迪爱斯信息技术 股份有限公司"）100%股权的收购，将迪爱斯纳入本年度财务报表合 并范围。考虑到会计估计披露的统一性，将迪爱斯与本公司折旧年限 按合集进行披露，实际执行过程中未对折旧年限进行调 ...

Financial Performance - The company achieved a net profit of RMB 221,094,398.33 for the year 2023, with a proposed cash dividend of RMB 0.80 per share, totaling RMB 26,368,970.56 to be distributed to shareholders[5]. - The company reported a net profit of RMB 166,552,577.68 for the parent company in 2023[5]. - Net profit attributable to shareholders for 2023 was ¥221,094,398.33, an increase of 11.48% from ¥198,328,425.67 in 2022[24]. - The net profit after deducting non-recurring gains and losses decreased by 20.94% to ¥136,222,032.89 in 2023 from ¥172,309,441.42 in 2022[24]. - The company's operating revenue for 2023 reached ¥695,615,887.22, representing a 10.05% increase compared to ¥632,117,531.98 in 2022[24]. - The company achieved a net profit of CNY 84.87 million in 2023, compared to CNY 26.02 million in 2022, reflecting a substantial increase in profitability[29]. - The company reported a non-recurring gain of CNY 110.95 million in 2023, significantly higher than the previous year's CNY 83.10 million[30]. - The company completed a significant asset restructuring with Di Ai Si in December 2023, enhancing its capabilities in the smart emergency sector and optimizing its business structure[31]. Risk Management and Compliance - There are no significant risks identified that could adversely affect the company's future development strategy or ongoing operations[9]. - The company has not encountered any non-operational fund occupation by controlling shareholders or related parties during the reporting period[6]. - The company has not violated any decision-making procedures regarding external guarantees during the reporting period[7]. - The company has implemented a series of risk management initiatives to strengthen compliance and internal control systems, ensuring sustainable development[34]. - The company emphasizes the importance of compliance and risk management, enhancing awareness among employees[81]. - The company has established a comprehensive internal control and risk management system, ensuring effective financial reporting controls as per the independent audit report[129]. Research and Development - In 2023, the company invested CNY 97.84 million in R&D, a 2.5% increase year-on-year, focusing on big data analysis, artificial intelligence, and integrated communication technologies[33]. - The company plans to continue increasing R&D investment to enhance core technology development capabilities and market advantages[41]. - The company is focused on integrating advanced technologies such as cloud computing and big data into its emergency management solutions[38]. - The company has a total of 421 technical personnel, indicating a strong focus on technical expertise within its workforce[116]. Corporate Governance - The board of directors and management have confirmed the authenticity, accuracy, and completeness of the annual report[9]. - The company has held 4 shareholder meetings in the reporting period, ensuring compliance with legal requirements[86]. - The company’s board of directors has met 11 times, ensuring independent operation and compliance with regulations[86]. - The company has established a comprehensive investor relations management system, including a dedicated investor hotline and online platforms for real-time interaction[88]. - The company’s governance structure is continuously improved to promote healthy and rapid development[89]. Market Expansion and Strategy - The company plans to continue expanding its market presence and enhancing project delivery efficiency to sustain growth[26]. - The company has expanded its market reach internationally, securing project orders in Serbia and Saudi Arabia[32]. - The company is positioned to benefit from national policies promoting digital transformation in the transportation sector, enhancing its market opportunities[39]. - The company focuses on smart emergency and smart transportation as its main business directions, aiming to become a leading solution provider in the urban intelligence sector[78]. Shareholder Returns and Dividends - The company has implemented a stable cash dividend policy, with no adjustments made in 2023, ensuring protection of minority shareholders' rights[120]. - The company declared a cash dividend of CNY 26,368,970.56, which accounts for 11.93% of the net profit attributable to ordinary shareholders in the consolidated financial statements[124]. - The company has proposed a three-year shareholder return plan for 2023-2025[94]. Asset Management and Restructuring - The company completed a significant asset restructuring with Di Ai Si, acquiring 100% equity for ¥110,707.31 million[64]. - The company is actively optimizing its asset structure by planning to transfer stakes in Hubei Donghu Optical Disc Technology Co., Ltd. and Hangzhou Chenxiao Technology Co., Ltd.[70]. - The company has successfully completed the performance commitments for 2023, with no need for performance compensation[188]. Financial Health and Investments - Cash and cash equivalents increased by 143.35% to ¥965,661,878.19, primarily due to external fundraising efforts[60]. - Total assets increased by 31.66% to ¥4,436,889,778.34 in 2023 from ¥3,370,034,262.39 in 2022[24]. - The company has a structured remuneration policy based on annual performance assessments for its senior management[101]. Employee Engagement and Training - The company emphasizes employee training, adhering to a "721" learning model to enhance employee capabilities and skills[119]. - The company has established a comprehensive employee training system to improve overall employee quality and job performance[118]. Legal and Regulatory Compliance - The company has maintained legal and compliant operations over the past five years, with no significant administrative penalties or criminal charges reported[156]. - The company has not faced any public reprimands from stock exchanges or administrative regulatory measures from the China Securities Regulatory Commission in the last five years[158]. - The company has committed to ensuring that all transactions do not harm investors' legal rights or violate principles of openness, fairness, and justice[158].

Financial Performance - The company's operating revenue for Q1 2024 was ¥64,952,084.41, representing a year-on-year increase of 37.73%[2] - The net profit attributable to shareholders was -¥27,314,881.71, with a significant decrease in investment income from associates contributing to the loss[5] - The total operating revenue for Q1 2024 was RMB 64,952,084.41, an increase of 37.8% compared to RMB 47,160,147.77 in Q1 2023[13] - Net profit for Q1 2024 was CNY -27,314,881.71, compared to CNY -1,802,252.58 in Q1 2023, indicating a significant decline in profitability[14] - The company reported a total comprehensive income of CNY -31,709,587.05 for Q1 2024, compared to CNY 1,466,786.66 in Q1 2023[15] - Basic and diluted earnings per share for Q1 2024 were both CNY -0.08, compared to CNY -0.01 in Q1 2023[15] Cash Flow and Assets - The net cash flow from operating activities was -¥123,866,531.72, a decrease of ¥23.81 million compared to the same period last year, primarily due to increased payments for goods[5] - Cash flow from operating activities for Q1 2024 was CNY -123,866,531.72, worsening from CNY -100,058,465.99 in Q1 2023[17] - The company's cash and cash equivalents were RMB 829,227,985.61 as of March 31, 2024, down from RMB 965,661,878.19 at the end of 2023[10] - Cash and cash equivalents at the end of Q1 2024 totaled CNY 820,127,942.67, down from CNY 956,678,292.88 at the beginning of the quarter[18] - The company's current assets as of March 31, 2024, totaled RMB 1,810,208,187.91, a decrease from RMB 1,869,884,271.00 as of December 31, 2023[10] - Non-current assets increased to RMB 2,621,880,973.46 as of March 31, 2024, compared to RMB 2,567,005,507.34 at the end of 2023[11] - Total assets amounted to RMB 4,432,089,161.37 as of March 31, 2024, slightly down from RMB 4,436,889,778.34 at the end of 2023[12] - The total liabilities decreased to RMB 1,012,760,539.39 from RMB 1,016,633,702.18 at the end of 2023[12] Shareholder Information - The total number of ordinary shareholders at the end of the reporting period was 24,135[6] - The largest shareholder, Fenghuo Technology Group Co., Ltd., holds 17.20% of the shares, totaling 56,682,297 shares[7] Government Support and Future Plans - The company received government subsidies amounting to ¥1,500,000.00, which are closely related to its normal business operations[4] - The company plans to enhance marketing efforts and accelerate project construction and delivery to improve performance in the future[5] Expenses and Costs - Total operating costs for Q1 2024 were CNY 106,464,349.63, an increase of 14.67% compared to CNY 92,830,295.86 in Q1 2023[14] - Research and development expenses for Q1 2024 were CNY 25,403,917.81, slightly up from CNY 25,011,477.16 in Q1 2023[14] - The company recorded a tax expense of CNY 888,674.25 in Q1 2024, up from CNY 272,189.54 in Q1 2023[14] Investment and Financing Activities - Investment activities resulted in a net cash outflow of CNY -32,245,246.27 in Q1 2024, compared to CNY -62,425,554.79 in Q1 2023[17] - Financing activities generated a net cash inflow of CNY 19,561,427.78 in Q1 2024, a recovery from a net outflow of CNY -7,492,357.75 in Q1 2023[18]