关于潍坊亚星化学股份有限公司 非经营性资金占用及其他关联资金往来情况 汇总表的专项审计报告 目 录 1、 专项审计报告 2、 附表 委托单位：潍坊亚星化学股份有限公司 审计单位：永拓会计师事务所（特殊普通合伙） 潍坊亚星化学股份有限公司 2024年度控股股东及其他关联方资金占用情况 专项说明 永拓会计师事务所（特殊普通合伙） 我们按照中国注册会计师审计准则的相关规定执行了审核工作。中国注册 会计师审计准则要求我们遵循中国注册会计师职业道德守则，计划和执行审核 工作对汇总表是否不存在重大错报获取合理保证。在审核的过程中，我们实施 了包括检查会计记录、重新计算相关项目金额等我们认为必要的程序。我们相 信，我们的审核工作为发表审核意见提供了合理的基础。 根据我们的工作程序，我们没有发现后附由亚星化学编制的汇总表所载资 料与我们审计财务报表时所审核的会计资料及财务报表中所披露的相关内容在 所有重大方面存在不一致的情况。 为了更好的理解亚星化学的控股股东及其他关联方资金占用情况汇总表， 汇总表应当与已审计的财务报表一并阅读。 潍坊亚星化学股份有限公司 2024 年度控股股东及其他关联资金往来情况 的专项说明 永证专字（ ...

潍坊亚星化学股份有限公司 二〇二四年度财务报表 审 计 报 告 目 录 永拓会计师事务所（特殊普通合伙） 一、审计报告 二、财务报表 1．2024 年 12 月 31 日合并资产负债表及母公司资产负债表 2．2024 年度合并利润表及母公司利润表 3．2024 年度合并现金流量表及母公司现金流量表 4．2024 年度合并股东权益变动表及母公司股东权益变动表 5．2024 年度财务报表附注 审计报告 永证审字（2025）第 110016 号 潍坊亚星化学股份有限公司全体股东： 一、审计意见 我们审计了潍坊亚星化学股份有限公司（以下简称"亚星化学"）合并及母 公司财务报表，包括 2024 年 12 月 31 日的合并资产负债表和母公司资产负债表， 2024年度的合并利润表和母公司利润表、合并现金流量表和母公司现金流量表、 合并股东权益变动表和母公司股东权益变动表以及相关财务报表附注。 我们认为，后附的财务报表在所有重大方面按照企业会计准则的规定縖制， 公允反映了亚星化学 2024 年 12 月 31 日的合并及母公司财务状况以及 2024 年度 的合并及母公司经营成果和现金流量。 二、形成审计意见的基础 我们按照 ...

潍坊亚星化学股份有限公司 2024年度营业收入扣除情况表 专项核查报告 永拓会计师事务所（特殊普通合伙） 关于潍坊亚星化学股份有限公司2024年度 营业收入扣除情况表的专项核查报告 永证专字（2025）第 310114 号 潍坊亚星化学股份有限公司全体股东： 我们接受委托，对潍坊亚星化学股份有限公司（以下简称"亚星化学"）2024 年度财务报表进行审计，并出具了永证审字（2025）第 110016 号审计报告。在 此基础上我们检查了亚星化学编制的后附 2024 年度营业收入扣除情况明细表 （以下简称"明细表"）。 一、管理层责任 管理层的责任是提供真实、合法、完整的相关资料，按照《深圳证券交易所 创业板股票上市规则(2024 年修订)》以及《深圳证券交易所创业板上市公司自 律监管指南第 1 号——业务办理(2024 年修订)》的规定编制营业收入扣除情况 表以满足监管要求，并负责设计、执行和维护必要的内部控制，并保证其内容真 实、准确、完整，不存在虚假记载、误导性陈述和重大遗漏。 二、注册会计师的责任 我们的责任是在执行审计工作的基础上对明细表发表专项核查意见。我们按 照中国注册会计师审计准则的规定执行了专项核 ...

Financial Performance - The company's operating revenue for Q1 2025 was CNY 198,954,956.86, representing a 5.61% increase compared to CNY 188,382,789.11 in the same period last year[4] - The net profit attributable to shareholders was a loss of CNY 46,045,120.88, compared to a loss of CNY 35,116,984.16 in the previous year, indicating a worsening performance[4] - The total profit for Q1 2025 was -46.22 million RMB, a decrease of 10.89 million RMB compared to the previous year[12] - Net loss for Q1 2025 was CNY -46,215,150.84, compared to a net loss of CNY -35,368,169.89 in Q1 2024, representing a decline of 30.5%[19] - Total operating costs for Q1 2025 were CNY 245,272,170.03, up 8.9% from CNY 225,092,929.54 in Q1 2024[18] Cash Flow - The net cash flow from operating activities was negative at CNY -70,008,625.04, a significant decline from CNY -12,933,392.44 in the previous year[4] - Cash flow from operating activities for Q1 2025 was CNY -70,008,625.04, worsening from CNY -12,933,392.44 in Q1 2024[21] - The net cash flow from financing activities for Q1 2025 was CNY 30,282,854.85, compared to CNY 15,875,547.87 in Q1 2024, an increase of 90.5%[23] - The company has seen a 90.75% increase in cash flow from financing activities due to new financing compared to the previous year[7] Assets and Liabilities - Total assets increased by 8.67% to CNY 2,591,135,149.26 from CNY 2,384,490,644.30 at the end of the previous year[5] - The company's total equity decreased to CNY 505,327,714.68 in Q1 2025 from CNY 551,542,865.52 in Q1 2024, a decline of 8.4%[16] - Total liabilities increased to CNY 2,085,807,434.58 in Q1 2025 from CNY 1,832,947,778.78 in Q1 2024, marking an increase of 13.8%[16] - The company's equity attributable to shareholders decreased by 8.42% to CNY 500,801,089.36 from CNY 546,846,210.24 at the end of the previous year[5] Inventory and Receivables - Accounts receivable increased by 28.96% due to higher sales compared to the same period last year[7] - The company reported a decrease in accounts receivable from 68.65 million RMB to 53.24 million RMB year-on-year[14] - Inventory rose by 32.56% as raw material stock increased compared to the beginning of the period[7] - The inventory level increased to 155.12 million RMB from 117.02 million RMB year-on-year[15] Shareholder Information - The total number of ordinary shareholders at the end of the reporting period was 16,235[9] Projects and Developments - The company is progressing on a high-end new materials project with an expected operational date in Q3 2025, with construction of public engineering facilities ongoing[11] - The hydrogen production project using the hydrogen peroxide method is on track for completion within the year, with the industrial design proceeding as planned[11] - The company is currently in the peak installation phase for two projects, each with a capacity of 500 tons/year, expected to be operational by Q3 2025[11] Borrowings and Financial Expenses - The company raised CNY 606,900,000.00 in borrowings during Q1 2025, significantly higher than CNY 277,375,000.00 in Q1 2024[21] - The company incurred financial expenses of CNY 22,327,238.38 in Q1 2025, compared to CNY 21,111,057.95 in Q1 2024, an increase of 5.7%[19] - The company's short-term borrowings were reported at 770.16 million RMB, slightly down from 774.83 million RMB at the end of 2024[15]

Financial Performance - The company's operating revenue for 2024 reached ¥910,416,019.35, an increase of 10.37% compared to ¥824,850,305.91 in 2023[22] - The net profit attributable to shareholders of the listed company was -¥97,034,677.26, a significant decrease from a profit of ¥6,364,457.48 in the previous year, representing a decline of 1,624.63%[22] - Basic earnings per share for 2024 were -¥0.25, down from ¥0.02 in 2023, reflecting a decrease of 1,350.00%[23] - The weighted average return on net assets was -16.30% for 2024, a decline from 0.99% in 2023[23] - The company reported a net profit attributable to shareholders of -97.03 million RMB, with a net profit of -155.84 million RMB after deducting non-recurring gains and losses[43] - The company reported a significant increase in the production and sales of hydrogen peroxide, with production volume up 499.10% year-on-year[48] - The company reported a total comprehensive loss of ¥98,936,817.64 in 2024, compared to a comprehensive income of ¥6,228,253.14 in 2023[194] Cash Flow and Assets - The net cash flow from operating activities improved to ¥31,175,437.55, compared to -¥167,751,560.27 in 2023[22] - Cash and cash equivalents increased by 301.24% to ¥162,522,589.31, compared to ¥40,505,566.64 in the previous period[59] - The total current assets as of December 31, 2024, amounted to approximately 434.29 million RMB, an increase from 298.45 million RMB in 2023, reflecting a growth of about 45.5%[186] - The total non-current assets as of December 31, 2024, reached approximately 1.95 billion RMB, compared to 1.81 billion RMB in 2023, indicating an increase of about 7.4%[186] - Total cash inflow from financing activities increased to ¥1,562,944,138.99 in 2024, up by 25% from ¥1,250,767,050.27 in 2023[200] Investments and Projects - The company has been focusing on new project construction, with fixed assets and ongoing projects expanding year by year[23] - The company has completed the main construction of a new high-end material project with a capacity of 45,000 tons/year, expected to be operational by Q3 2025[30] - The company is actively developing a new circular economy model, utilizing by-products from caustic soda production for other chemical processes[38] - The company plans to implement a high-end new materials project with a capacity of 45,000 tons/year and a hydrazine hydrate project of 12,000 tons/year, aiming to enhance its competitive edge in the new materials sector[92] Research and Development - The company has conducted over 230 R&D experiments in 2024, aiming to improve product quality and reduce production costs[42] - Total R&D expenditure was ¥10.20 million, representing 1.12% of total revenue[55] - The company is focusing on high-value-added products and expanding sales in various sectors, including ABS modification and sealing materials[36] - The company has introduced advanced production technologies for CPE and caustic soda, significantly reducing energy consumption and enhancing product quality[38][40] Market and Competition - The CPE industry is facing increased competition and low sales prices, leading to compressed profit margins despite a rise in sales volume[33] - The company is targeting to expand its market presence, particularly in high-value segments such as shoe materials and radiation cross-linked materials, while also increasing export volumes[94] - The company is focusing on market expansion strategies to enhance its competitive position[107] Governance and Compliance - The company held 4 shareholder meetings, 11 board meetings, and 7 supervisory board meetings during the reporting period, all in compliance with its articles of association[99] - The company has implemented a comprehensive internal control system, improving risk management capabilities[99] - The company aims to strengthen compliance with legal regulations and improve the accuracy of information disclosures moving forward[117] - The company has established a performance evaluation and incentive mechanism for senior management, enhancing operational efficiency[102] Environmental Responsibility - The company achieved compliance in wastewater emissions with a concentration of 0.116 mg/L for ammonia nitrogen and 8.92 mg/L for chemical oxygen demand from its new materials division[135] - The company has completed environmental impact assessments for multiple projects, including a 50,000 tons/year CPE facility and a 120,000 tons/year ion membrane caustic soda project, with approvals obtained prior to the reporting period[137] - The company has established a self-monitoring plan for 2024, covering wastewater, air emissions, soil, groundwater, and noise, ensuring compliance with legal requirements[142] Shareholder Information - The total number of ordinary shareholders at the end of the reporting period was 14,247, a decrease from 16,235 at the end of the previous month[160] - The largest shareholder, Weifang City Construction Development Investment Group Co., Ltd., holds 28.92% of the shares, totaling 112,115,384 shares[162] - The company has not reported any changes in share capital structure during the reporting period[159]

潍坊亚星化学股份有限公司 独立董事 2024 年度述职报告 作为潍坊亚星化学股份有限公司（以下简称"公司"或"亚星化学"）的 独立董事，在2024年度履职期间，本人严格按照《中华人民共和国公司法》 《中华人民共和国证券法》《上市公司独立董事管理办法》《上海证券交易所股 票上市规则》等法律法规及《潍坊亚星化学股份有限公司章程》（以下简称 "《公司章程》"）的规定和要求，在工作中勤勉尽责地履行职责，认真审慎 地行使公司和股东所赋予的权利，全面了解公司经营情况，积极发挥独立董事 的作用，认真审议董事会的各项议案，充分发挥独立董事的作用，维护公司整 体利益和全体股东特别是中小股东的合法权益。现将2024年度履职情况汇报如 下： 一、独立董事基本情况 作为公司的独立董事，本人具有履行独立董事职责所必须的专业能力和工 作经验，具备法律法规所要求的独立性，并在履职中保持客观、独立的专业判 断，不存在影响独立性的情况。本人个人工作履历、专业背景以及兼职情况简 介如下： 赵艳美女士，1971年3月出生，中共党员，注册会计师，高级会计师，大学 本科学历，2022年12月至2024年4月任公司独立董事。现任致同会计师事务所 （特殊 ...

潍坊亚星化学股份有限公司 独立董事 2024 年度述职报告 作为潍坊亚星化学股份有限公司（以下简称"公司"或"亚星化学"）的 独立董事，在2024年度履职期间，本人严格按照《中华人民共和国公司法》 《中华人民共和国证券法》《上市公司独立董事管理办法》《上海证券交易所股 票上市规则》等法律法规及《潍坊亚星化学股份有限公司章程》（以下简称 "《公司章程》"）的规定和要求，在工作中勤勉尽责地履行职责，认真审慎 地行使公司和股东所赋予的权利，全面了解公司经营情况，积极发挥独立董事 的作用，认真审议董事会的各项议案，充分发挥独立董事的作用，维护公司整 体利益和全体股东特别是中小股东的合法权益。现将2024年度履职情况汇报如 下： 一、独立董事基本情况 作为公司的独立董事，本人具有履行独立董事职责所必须的专业能力和工 作经验，具备法律法规所要求的独立性，并在履职中保持客观、独立的专业判 断，不存在影响独立性的情况。本人个人工作履历、专业背景以及兼职情况简 介如下： 周祎女士，1984年2月出生，中共党员，大学本科学历，2021年3月至2024 年4月任公司独立董事。现任现任山东鸢都英合律师事务所行政法律事务团队负 责人、 ...

潍坊亚星化学股份有限公司 独立董事 2024 年度述职报告 作为潍坊亚星化学股份有限公司（以下简称"公司"或"亚星化学"）的 独立董事，在2024年度履职期间，本人严格按照《中华人民共和国公司法》《 中华人民共和国证券法》《上市公司独立董事管理办法》《上海证券交易所股票 上市规则》等法律法规及《潍坊亚星化学股份有限公司章程》（以下简称"《公 司章程》"）的规定和要求，在工作中勤勉尽责地履行职责，认真审慎地行使 公司和股东所赋予的权利，全面了解公司经营情况，积极发挥独立董事的作用， 认真审议董事会的各项议案，充分发挥独立董事的作用，维护公司整体利益和 全体股东特别是中小股东的合法权益。现将2024年度履职情况汇报如下： 一、独立董事基本情况 作为公司的独立董事，本人具有履行独立董事职责所必须的专业能力和工 作经验，具备法律法规所要求的独立性，并在履职中保持客观、独立的专业判 断，不存在影响独立性的情况。本人个人工作履历、专业背景以及兼职情况简 介如下： 付兴刚先生，1974年4月出生，东北财经大学法律硕士。致公党党员，自 2021年3月起任公司独立董事。现任山东豪德律师事务所首席合伙人、主任。中 国法学会律师法 ...

潍坊亚星化学股份有限公司 独立董事 2024 年度述职报告 作为潍坊亚星化学股份有限公司（以下简称"公司"或"亚星化学"）的 独立董事，在2024年度履职期间，本人严格按照《中华人民共和国公司法》 《中华人民共和国证券法》《上市公司独立董事管理办法》《上海证券交易所股 票上市规则》等法律法规及《潍坊亚星化学股份有限公司章程》（以下简称 "《公司章程》"）的规定和要求，在工作中勤勉尽责地履行职责，认真审慎 地行使公司和股东所赋予的权利，全面了解公司经营情况，积极发挥独立董事 的作用，认真审议董事会的各项议案，充分发挥独立董事的作用，维护公司整 体利益和全体股东特别是中小股东的合法权益。现将2024年度履职情况汇报如 下： 一、独立董事基本情况 作为公司的独立董事，本人具有履行独立董事职责所必须的专业能力和工 作经验，具备法律法规所要求的独立性，并在履职中保持客观、独立的专业判 断，不存在影响独立性的情况。本人个人工作履历、专业背景以及兼职情况简 介如下： 孙宗彬，男，1972年1月出生，汉族，本科学历。中国注册会计师、中国注 册税务师、正高级会计师、山东省注册会计师行业高端人才、土地评估师、审 计师，自2024 ...