Group 1: Business Layout - The company confirmed that it is not involved in industrial robotics business, except for smart logistics delivery vehicles [1] - Currently, there is no business related to drone engines, but the company has increased its investment in Kunming Yunnei Intelligent Equipment Co., which includes sales of intelligent unmanned aerial vehicles [1][2] Group 2: Performance and Financials - The company has reported a significant loss of 800 million in the fourth quarter for four consecutive years, attributed to asset impairment and provisions [2] - In 2024, the company improved the gross margin of single-engine units through technological upgrades, but the fourth-quarter loss was impacted by industry business policies and year-end asset impairment provisions [2] Group 3: Future Strategy - The company is facing challenges in the commercial vehicle market and aims to enhance management and foster emerging businesses for transformation [2] - The company is currently under investigation by the China Securities Regulatory Commission, with no results available yet [2]

编号：2025-03 | | □特定对象调研 □分析师会议 | | --- | --- | | 投资者关系活动类 | □媒体采访 ☑业绩说明会 | | 别 | □新闻发布会 □路演活动 | | | □现场参观 | | | □其他（电话会议） | | 活动参与人员 | 接待对象：网上投资者 | | | 接待人员：公司董事长、总经理杨波先生、财务总监朱国友先生、董 | | | 事会秘书翟建峰先生 | | 时间 | 2025 年 5 月 16 日 (周五) 下午 16:00-17:00 | | 地点 | 全景网"投资者关系互动平台"（https://ir.p5w.net） | | 形式 | 网络远程 | | | 公司就投资者在本次说明会中提出的问题进行了回复，问答环节 | | | 主要内容如下： | | | 1、请问贵公司有没有涉及工业机器人业务，若涉及请问是什么 | | | 业务，是否有在售产品或生产线的搭建？ | | | 您好，目前公司除智能物流配送车外，无其他机器人业务。谢谢！ | | | 2、公司发动机可以间接用于航空或者无人机相关领域吗？ | | 交流内容及具体问 | 目前公司暂无航空和无人机发动机业务， ...

Core Viewpoint - The internal combustion engine market in China shows a mixed performance with a decline in month-on-month sales but a year-on-year growth, indicating ongoing market activity despite short-term fluctuations [1][3]. Internal Combustion Engine Sales - In April 2025, domestic internal combustion engine sales reached 4.4562 million units, a month-on-month decrease of 7.88% but a year-on-year increase of 11.92%. Cumulative sales from January to April totaled 17.4872 million units, reflecting a year-on-year growth of 17.37% [1]. - The multi-cylinder diesel engine market, closely related to the commercial vehicle sector, experienced a decline in both month-on-month and year-on-year sales, with April sales at 174,600 units, down 16.45% month-on-month and 1.54% year-on-year [1][16]. Diesel Engine Performance - In April 2025, diesel engine sales amounted to 480,000 units, showing a month-on-month decline of 11.75% but a year-on-year increase of 5.34%. Cumulative sales for the first four months reached 1.8485 million units, up 4.29% year-on-year [3]. - The multi-cylinder diesel engine sales for January to April totaled 1.5 million units, with Weichai leading the market with over 270,000 units sold [6]. Commercial Vehicle Market - In April, the production and sales of commercial vehicles were 362,000 and 367,000 units respectively, reflecting a month-on-month decline of 16% and 17.9%, but a year-on-year increase of 1.3% and 2.7% [7]. - The multi-cylinder diesel engine sales in April were 380,800 units, down 14.09% month-on-month but up 3.72% year-on-year, with cumulative sales for the first four months at 1.5049 million units, a year-on-year increase of 2.99% [7]. Company Performance - In April, Weichai maintained its position as the top seller of multi-cylinder diesel engines with 60,800 units sold, while Yuchai and Yunnei followed with 57,100 and 35,900 units respectively [9]. - Cumulative sales data for January to April shows Weichai with 273,900 units sold, holding an 18.20% market share, while Yuchai sold 202,900 units with a 13.48% market share, reflecting a year-on-year growth of 20.78% [11][19]. Market Trends - The multi-cylinder diesel engine market experienced a notable month-on-month decline in April, contrasting with the year-on-year growth trend, raising questions about future performance in May [23].

Core Viewpoint - In 2024, Yunnei Power maintains a strong leading position in the diesel engine segment while actively pursuing transformation in traditional internal combustion engines and new energy strategies, focusing on technological innovation in diesel engines, hybrid systems, and hydrogen fuel cells, alongside developing emerging business projects centered on intelligent and green manufacturing to support the company's upgrade and sustainable development [1][6]. Group 1: Company Overview - Yunnei Power, established nearly sixty years ago, is a joint-stock listed company initiated by Yunnan Internal Combustion Engine Factory, with its actual controller being the Kunming State-owned Assets Supervision and Administration Commission [2]. - The company has solidified its position in the engine business, achieving breakthroughs in key core technologies, lightweight design, energy efficiency, and new product development, with its engine products reaching advanced domestic levels in economic efficiency, reliability, and environmental protection [2][4]. - As of December 31, 2024, the company holds 335 valid patents in the engine field, including 231 utility model patents, 68 design patents, and 36 invention patents [2]. Group 2: Product Performance and Revenue - In 2024, the company achieved a revenue of 4.731 billion yuan, with engine products generating 3.962 billion yuan, accounting for 83.75% of total revenue, while parts and other products contributed 556 million yuan, representing 11.74% [4]. - The company's diesel engines meet national emission standards, with series "90, 95, 100, 102" achieving National IV standards, showcasing excellent power, economy, and reliability [4]. - The company has established a production capacity of 850,000 engines annually, positioning it as a leader in the industry [5]. Group 3: Quality Management - The company operates under the IATF16949:2016 quality management system, ensuring product quality stability through rigorous control at every management stage, from raw material procurement to production and inspection [3]. - It has received numerous accolades, including being recognized as a national advanced typical enterprise for integrity and a benchmark enterprise for product and service quality [3]. Group 4: New Energy and Intelligent Manufacturing - The company is actively expanding its new energy business, focusing on hybrid, range-extended, dual-fuel, and hydrogen fuel cell products, aligning with the "dual carbon" strategy [6]. - In 2024, the company launched hybrid products in collaboration with major automotive manufacturers and is developing a comprehensive product system for fuel cells [6]. - The company is also advancing in intelligent manufacturing, with projects like smart rubber tapping machines and L4-level intelligent delivery vehicles, having received testing licenses for autonomous delivery vehicles in Kunming [7].

股票简称：云内动力 股票代码：000903 编号：2025—028 号 昆明云内动力股份有限公司 关于参加云南辖区上市公司 2024 年度投资者 为进一步加强与投资者的互动交流，昆明云内动力股份有限公司（以下简称 "公司"）将参加由云南证监局指导，云南省上市公司协会与深圳市全景网络有限 公司联合举办的"2024年度云南辖区上市公司投资者网上集体接待日"，现将相关 事项公告如下： 本次活动将采用网络远程的方式举行，投资者可登录"全景路演"网站 （https://rs.p5w.net），或关注微信公众号：全景财经，或下载全景路演APP, 参与本次互动交流，活动时间为2025年5月16日（周五）16:00-17:00。 届时公司董事长、总经理杨波先生，财务总监朱国友先生，董事会秘书翟建峰 先生将在线就公司2024年度业绩及2025年第一季度业绩、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，与投资者进行沟通与交流，欢迎广大投 资者踊跃参与！ 特此公告。 昆明云内动力股份有限公司 网上集体接待日活动的公告 本公司及董事会全体成员保证信息披露内容的真实、准确、完整，没有虚假 记载、误导性陈述或重大遗漏。 ...

Company Overview - Kunming Yunnei Power Co., Ltd. was established in 1999 and listed on the Shenzhen Stock Exchange on April 15, 1999, with stock code 000903 [2] - The company primarily engages in engine and industrial-grade electronic products, including diesel engines, gasoline engines, and natural gas engines [2] Financial Performance - In 2024, the company experienced a decline in engine product sales and revenue due to structural differentiation in the commercial vehicle sector and rising penetration of new energy [4] - Despite a decrease in sales, the gross profit margin per engine increased compared to the previous year due to technological upgrades and internal management optimization [4] - The overall R&D expenditure increased compared to the previous year, but the company still reported a net loss due to rising financial costs after two consecutive years of losses [4] Product Development and Innovation - The company is focusing on the development of new energy products, including hybrid, range-extended, dual-fuel, and hydrogen fuel cell engines, as part of its "dual carbon" strategy [2] - The company is actively expanding its wire harness product business through technological innovation and increased R&D efforts [3] Business Expansion Strategies - For traditional internal combustion engines, the company is refining marketing strategies and promoting brand differentiation to expand market share [5] - In the industrial-grade electronic products sector, the company aims to enhance its technical capabilities and market competitiveness while participating in industry standard formulation [5] - The company is accelerating the development of new energy powertrains and emerging businesses, including L4 level intelligent delivery vehicles and smart rubber cutting machines [5] Market and Regulatory Environment - The company is currently cooperating with the China Securities Regulatory Commission regarding an ongoing investigation and has not received any conclusive opinions or decisions [5] - The company is also focusing on expanding its international market presence, particularly in Southeast Asia, Africa, South America, and the Middle East [5]

第一条 为提高昆明云内动力股份有限公司（以下简称"公司"）应对各类舆情的能力，建 立快速反应和应急处置机制，及时、妥善处理各类舆情对公司股票、商业信誉及正常经营管理活动 造成的影响，切实保护公司及股东的合法权益，根据《深圳证券交易所股票上市规则》等相关法律、 法规规定和《公司章程》的有关要求，制订本制度。 昆明云内动力股份有限公司 舆情管理制度 二〇二五年四月 经公司第七届董事会第十次会议审议通过 | 第一章 | 总 则 1 | | --- | --- | | 第二章 | 舆情信息的处理原则 1 | | 第三章 | 舆情信息的报告及处置流程 1 | | 第四章 | 舆情管理的体系及工作职责 2 | | 第五章 | 责任追究 3 | | 第六章 | 附 则 3 | 昆明云内动力股份有限公司信息披露管理制度 第一章 总 则 第二条 本制度所称舆情包括但不限于： （一）报刊、电视、网络等媒体对公司进行的负面报道、不实报道； （二）社会上存在的已经或将给公司造成不良影响的传言或信息； （三）可能或者已经影响社会公众投资者投资取向，造成股价异常波动的信息； （四）其他涉及公司信息披露且可能对公司股票及其衍生品交易价格产 ...

昆明云内动力股份有限公司 独立董事 2024 年度述职报告 各位股东及股东代表： 作为独立董事，本人在召开董事会、股东大会前主动了解并获取做出决策前 所需要的情况和资料，详细了解公司整体生产运作和经营情况，为董事会、股东 本人于 2018 年 9 月起担任昆明云内动力股份有限公司（以下简称"公司"） 独立董事，2024 年 9 月，因任期届满，本人辞去公司独立董事及董事会下设委 员会相关职务。辞职后，本人不在公司及下属子公司担任任何职务。 作为公司独立董事，在任职期间本人严格按照《公司法》《上市公司治理准 则》和《上市公司独立董事管理办法》等法律法规以及《公司章程》的规定，本 着客观、公正、独立的原则，勤勉尽责，积极发挥独立董事作用，维护公司整体 利益和全体股东尤其是中小股东的合法权益。现将本人在 2024 年度任职期间履 职情况述职如下： 一、独立董事基本情况 1、个人基本情况 本人苏红敏，毕业于天津财经大学，会计学硕士，注册会计师。曾任云南财 经大学会计学院财务管理教研室主任，云高会计师事务所担任副所长，云南广播 电台、绿生药业、耀星酒店财务顾问。现任云南财经大学会计学院教授。2018 年 9 月至 20 ...

昆明云内动力股份有限公司 独立董事 2024 年度述职报告 各位股东及股东代表： 本人于 2024 年 9 月 13 日起担任昆明云内动力股份有限公司（以下简称"公 司"）第七届董事会独立董事。作为公司独立董事，在任职期间本人严格按照《公 司法》《上市公司治理准则》和《上市公司独立董事管理办法》等法律法规以及 《公司章程》的规定，本着客观、公正、独立的原则，勤勉尽责，积极发挥独立 董事作用，维护公司整体利益和全体股东尤其是中小股东的合法权益。现将本人 在 2024 年度任职期间履职情况述职如下： 一、独立董事基本情况 1、个人基本情况 本人王果辉，毕业于云南财经大学，会计学专业，注册会计师。曾任昆明七 彩云南庆丰祥茶叶股份有限公司副总经理、董事会秘书、财务总监；众华会计师 事务所（特殊普通合伙）云南分所部门主任，亚太（集团）会计师事务所（特殊 普通合伙）云南分所总经理。现任北京厚德会计师事务所（特殊普通合伙）云南 分所执行合伙人。2024 年 9 月 13 日至今担任公司第七届董事会独立董事。 2、独立性情况说明 作为公司独立董事，本人已对独立性情况进行自查并将自查情况提交公司董 事会。本人未在公司担任除独立 ...