Fundraising Overview - The company raised a total of RMB 76,185.63 million from its initial public offering, with a net amount of RMB 67,856.04 million received by February 27, 2025 [1] - As of June 30, 2025, the remaining balance of the raised funds is RMB 40,029.62 million after deducting issuance costs and direct investments [1][5] Fund Utilization - The company has invested RMB 27,850.34 million into fundraising projects as of June 30, 2025 [1][5] - The company plans to use RMB 2,868.07 million of the raised funds to replace self-raised funds previously invested in projects and to cover issuance costs [5] Fund Management - The company has established a dedicated management system for the raised funds, ensuring compliance with relevant regulations [1] - A tripartite supervision agreement has been signed with the sponsoring institution and banks to regulate the storage and use of the raised funds [2] Project Changes - The company approved a change in the implementation subject of the "Digitalization and R&D Center Construction Project" to include multiple subsidiaries [3] - The company has also decided to reallocate RMB 1,900 million from the "Automobile Wheel Assembly Project" to a new project for producing automotive styling components [10] Cash Management - The company has utilized idle raised funds for cash management, investing up to RMB 30,000 million in financial products while ensuring the safety of the funds [5][6] - As of June 30, 2025, the balance of structured deposits from idle funds is RMB 29,900 million [6][7]

Group 1 - The company will hold a performance briefing on September 5, 2025, from 15:00 to 16:00 [1][2] - The briefing will take place online at the "Value Online" platform [1][2] - Investors can submit questions before the briefing through a specified link or by scanning a QR code [1][2] Group 2 - Key participants in the briefing include the Chairman, Chief Financial Officer, Board Secretary, and an Independent Director [2] - Investors can join the interactive session via a provided link or QR code [2] - After the briefing, the main content and outcomes will be available on the "Value Online" platform or the Yi Dong app [2]

General Principles - The purpose of the external guarantee management system is to protect investors' interests, strengthen internal control over guarantee business, and regulate the company's guarantee behavior to control operational risks and promote stable development [1][2] - The system applies to the company and its wholly-owned and controlling subsidiaries [1] Types of Guarantees - External guarantees refer to the company providing guarantees, asset pledges, and other forms of guarantees using its own assets or credit [1] - The total amount of external guarantees includes guarantees provided by the company to its controlling subsidiaries [1] Approval Authority - External guarantees must be approved by the board of directors or the shareholders' meeting [3][4] - Specific conditions require shareholder approval, including guarantees exceeding 10% of the latest audited net assets or 50% of total assets [4] Risk Management - The company must conduct thorough due diligence on the creditworthiness of the guaranteed party before providing guarantees [8][9] - The finance department is responsible for managing guarantee contracts, including registration and cancellation [9] Information Disclosure - The company must disclose information regarding external guarantees, especially when significant risks arise or when the guaranteed party fails to fulfill repayment obligations [12][14] - The board secretary is responsible for the disclosure of guarantee-related information [12] Responsibilities and Penalties - The board of directors must take protective measures to avoid or minimize losses caused by guarantees provided to controlling shareholders or related parties [16][17] - Individuals who violate the guarantee procedures or laws may face penalties, including compensation responsibilities [17]

Core Points - The document outlines the decision-making system for related party transactions of Hefei Huitong Holdings Co., Ltd, aiming to standardize operations and protect shareholders' rights [1][2] - Related party transactions must be fair in pricing, compliant in decision-making procedures, and adhere to disclosure norms [1][2] - The document specifies the definitions of related parties, including both legal entities and natural persons, and outlines the criteria for identifying them [2][3] Section Summaries General Principles - The purpose of the system is to regulate related party transactions, enhance operational standards, and protect the rights of shareholders [1] - Related party transactions should follow principles of good faith, fairness, and compliance with market economy principles [1] Related Parties and Transactions - Related parties include entities that directly or indirectly control the company, those controlled by significant shareholders, and individuals holding over 5% of shares [2][3] - Related transactions encompass various activities such as asset purchases, financial assistance, and management services [3][4] Reporting and Approval Procedures - Company directors and significant shareholders must report related party lists and relationships to the board [6] - Transactions below certain thresholds can be approved by the chairman, while larger transactions require board and shareholder approval [11][12] Pricing and Disclosure - Related party transactions must be documented with written agreements, and pricing should be fair, referencing market prices or costs [26][27] - The company must disclose related party transactions in temporary reports, including details about the transaction parties and pricing [30][31] Special Considerations - Transactions that provide unilateral benefits without obligations may be exempt from standard approval processes [23] - Related party transactions involving significant amounts or affecting control structures require careful scrutiny and disclosure [34][35]

合肥汇通控股股份有限公司 章程 目 录 — 1 — 第一章 总 则 第一条 为维护合肥汇通控股股份有限公司（以下简称"公司"或"本公司"）、 股东和债权人的合法权益，规范公司的组织和行为，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》）和其 他相关规定，制定本章程。 第二条 公司系依照《公司法》和其他法律、法规、规范性文件的规定成立的股份 有限公司。 公司由合肥汇通汽车零部件有限公司整体变更设立，在合肥市工商行政管理局注 册登记，取得营业执照，营业执照号91340100786528930Y。 第三条 公司于2024年12月6日取得中国证券监督管理委员会（以下简称"中国证 监会"）注册批复，首次向社会公众发行人民币普通股（A股）3,150.7704万股，于 市"）。 第四条 公司注册中文名称：合肥汇通控股股份有限公司。 公司英文名称：Hefei Conver Holding Co.,Ltd. 第五条 公司住所：合肥经济技术开发区汤口路99号厂房，邮政编码：230601。 第六条 公司注册资本为人民币12,603.00万元。 第七条 公司为永久存续的股份有限公司 ...

Core Points - The document outlines the rules and regulations governing the shareholder meetings of Hefei Huitong Holdings Co., Ltd, ensuring compliance with relevant laws and regulations [1][2][3] - The company emphasizes the importance of shareholder rights, including the right to information, speak, inquire, and vote during meetings [5][6] - The procedures for convening annual and extraordinary shareholder meetings are detailed, including timelines and requirements for notifications [8][9][10] Group 1 - The company must strictly adhere to legal and regulatory requirements when convening shareholder meetings [2][3] - Shareholders holding more than 10% of the company's shares can request the board to convene an extraordinary meeting [4][5] - The board must respond to such requests within 10 days, and if they refuse, the audit committee can convene the meeting [4][6] Group 2 - Proposals for shareholder meetings must be within the scope of the meeting's authority and clearly defined [15][16] - Shareholders holding at least 1% of shares can submit temporary proposals 10 days before the meeting [15][16] - Notifications for annual meetings must be sent 20 days in advance, while notifications for extraordinary meetings must be sent 15 days in advance [17][18] Group 3 - The company must provide a venue for meetings, which can be held in person or via electronic means [22][23] - Voting procedures must be clearly outlined in the meeting notifications, ensuring transparency [23][24] - The company is responsible for maintaining order during meetings and addressing any disruptions [24][25] Group 4 - The board must report on its activities during the past year at the annual meeting, and independent directors must also provide reports [29][30] - Shareholders must declare any conflicts of interest and abstain from voting on related matters [32][33] - The company must ensure that all resolutions passed at the meetings comply with legal and regulatory standards [46][47]

Core Points - The document outlines the rules for the board of directors of Hefei Huitong Holdings Co., Ltd, aiming to enhance the board's operational standards and decision-making processes [2][3] - The board consists of 9 directors, including 3 independent directors, and is responsible for various specialized committees [3][14] - Regular and temporary board meetings are defined, with specific procedures for calling and conducting these meetings [5][10] Group 1: General Provisions - The rules are established to ensure the board operates effectively and in compliance with relevant laws and regulations [2] - The board is accountable to the shareholders and must adhere to the company's articles of association [3] Group 2: Board Composition and Authority - The board comprises 9 members, including a chairman and independent directors who lead specialized committees [3][14] - Specialized committees include the audit committee, strategic committee, nomination committee, and compensation and assessment committee, with independent directors holding a majority in key committees [3][14] Group 3: Meeting Procedures - The board must hold at least two regular meetings annually, with provisions for temporary meetings under specific circumstances [5][10] - Meeting notifications must be sent out in advance, detailing the agenda and required materials [5][10] - A quorum for meetings requires the presence of more than half of the directors [13] Group 4: Voting and Decision-Making - Decisions require a majority vote from attending directors, with specific rules for abstentions and conflicts of interest [10][22] - Proposals that are not approved cannot be reconsidered within a month unless significant changes occur [11] Group 5: Record Keeping and Disclosure - The board secretary is responsible for maintaining detailed records of meetings, including attendance, discussions, and voting outcomes [27][30] - Meeting records must be signed by attendees, and any dissenting opinions should be documented [30]

合肥汇通控股股份有限公司 总经理工作细则 第一章 总则 第一条 为明确合肥汇通控股股份有限公司（以下简称"公司"）总经理的职 责，促进公司经营管理的制度化、规范化、科学化，实现公司生产经营的可持续 发展，根据《中华人民共和国公司法》《中华人民共和国证券法》和《合肥汇通 控股有限公司章程》（以下简称"《公司章程》"）等规定，特制定公司总经理工 作细则。 第二条 总经理是董事会领导下的公司日常经营管理的负责人。总经理对董 事会负责，执行董事会决议，主持公司的日常生产经营和管理工作。 第二章 总经理的任免 第三条 公司设总经理一人，并根据需要设副总经理若干，财务总监一人。 公司总经理、副总经理、财务总监构成公司总经理经营班子。总经理经营班 子是总经理办公会组成人员，是公司日常经营管理的指挥和运作中心。 第四条 公司总经理由董事长提名，董事会聘任。总经理经营班子成员由总 经理提名，董事会聘任。公司董事可受聘兼任总经理、副总经理及经营班子其他 成员。 第五条 总经理、副总经理、财务总监必须专职，不得在控股股东、实际控 制人及其控制的其他企业中担任除董事、监事以外的其他职务，公司高级管理人 员仅在公司领薪，不由控股股东代 ...

Core Points - The document outlines the information disclosure management system of Hefei Huitong Holdings Co., Ltd, aiming to standardize disclosure practices and enhance the quality of information shared with stakeholders [1][2][3] - The system is established in accordance with relevant laws and regulations, including the Company Law and Securities Law of the People's Republic of China [1][2] Group 1: General Principles - The company must disclose information truthfully, accurately, completely, timely, and fairly, avoiding any false records or misleading statements [4][5] - Information disclosure obligations apply to the company, its directors, senior management, shareholders, and other relevant parties [2][3] Group 2: Disclosure Content and Standards - Required disclosure documents include prospectuses, fundraising documents, listing announcements, periodic reports, and temporary reports [5][6] - Annual reports must include key financial data, stock and bond issuance details, major events, and other information as mandated by the China Securities Regulatory Commission [6][7] Group 3: Disclosure Procedures - The board secretary is responsible for organizing and completing information disclosure tasks, ensuring compliance with regulations [12][13] - The company must disclose significant events that may impact stock prices immediately upon knowledge of such events [10][11] Group 4: Responsibilities and Accountability - The board of directors and senior management are accountable for the accuracy and completeness of disclosed information, with individual and joint responsibilities [21][22] - The audit committee must review financial information in periodic reports before submission to the board [22][23] Group 5: Confidentiality and Exceptions - The company may apply for exemption from disclosure if it involves state secrets or commercial secrets that could harm the company or investors [34][35] - If information is leaked or if there are abnormal trading conditions, the company must disclose the relevant information promptly [57][58]

合肥汇通控股股份有限公司 内部审计工作制度 第一章 总 则 第一条 为规范合肥汇通控股股份有限公司（以下简称"公司"）内部审计工 作，明确内部审计的职责和权限，发挥内部审计在强化内部控制、改善经营管理、 提高经济效益中的作用，促进公司经营效率、经济效益的提高，确保内部控制持 续有效实施，维护投资者的权益，实现内部审计的制度化和规范化，根据《中华 人民共和国审计法》 《审计署关于内部审计工作的规定》 《中国内部审计准则》及 其他相关法律和法规及《合肥汇通控股股份有限公司章程》，结合公司实际，制 定本制度。 第二条 本制度所称内部审计，是指由公司内部机构或人员，对公司内部控 制制度和风险管理的有效性、财务信息的真实性和完整性以及经营活动的效率和 效果等开展的一种评价活动。 第三条 内部审计遵循"独立、客观、公正"的原则，保证其工作合法、合理 有效，完善公司内部约束机制，加强内部管理，提高经济效益。 第二章 内部审计机构和人员 第四条 审计部是公司设立的内部审计机构，对内部控制制度的建立和实施、 财务信息的真实性和完整性等情况进行检查监督，对董事会审计委员会负责并报 告工作。 第五条 内部审计部门应当保持独立性，不 ...