中信证券股份有限公司 关于斯达半导体股份有限公司 2024 年度募集资金存放与实际使用情况的核查意见 中信证券股份有限公司（以下简称"中信证券"、"保荐机构"）作为斯达半 导体股份有限公司（以下简称"斯达半导"、"公司"）非公开发行 A 股股票的保 荐机构，根据《证券发行上市保荐业务管理办法》、《上海证券交易所上市公司自 律监管指引第 1 号——规范运作》、《上市公司监管指引第 2 号——上市公司募集 资金管理和使用的监管要求》以及《上海证券交易所股票上市规则》等有关规定， 对斯达半导 2024 年度募集资金存放与使用情况进行了审慎核查，核查情况及意 见如下： 一、募集资金基本情况 （一）实际募集资金金额、资金到位情况 2021 年 9 月，中国证券监督管理委员会《关于核准嘉兴斯达半导体股份有 限公司非公开发行股票的批复》（证监许可[2021] 3201 号）核准公司非公开发行 不超过 1,600 万股新股。 公司实际向 J.P. Morgan Chase Bank, National Association、富国基金管理有限 公司、BARCLAYS BANK PLC 等 14 位认购人合计发行人民币普通股股 ...

斯达半导体股份有限公司全体股东： 斯达半导体股份有限公司 内部控制审计报告 2024 年度 内部控制审计报告 信会师报字[2025]第 ZA11740 号 按照《企业内部控制审计指引》及中国注册会计师执业准则的相 关要求，我们审计了斯达半导体股份有限公司（以下简称斯达半导） 2024 年 12 月 31 日的财务报告内部控制的有效性。 一、 企业对内部控制的责任 按照《企业内部控制基本规范》、《企业内部控制应用指引》、《企 业内部控制评价指引》的规定，建立健全和有效实施内部控制，并评 价其有效性是斯达半导董事会的责任。 二、 注册会计师的责任 我们的责任是在实施审计工作的基础上，对财务报告内部控制的 有效性发表审计意见，并对注意到的非财务报告内部控制的重大缺陷 进行披露。 三、 内部控制的固有局限性 内部控制具有固有局限性，存在不能防止和发现错报的可能性。 此外，由于情况的变化可能导致内部控制变得不恰当，或对控制政策 和程序遵循的程度降低，根据内部控制审计结果推测未来内部控制的 有效性具有一定风险。 内控审计报告 第1页 四、 财务报告内部控制审计意见 我们认为，斯达半导于 2024 年 12 月 31 日按 ...

北京海润天睿律师事务所 关于斯达半导体股份有限公司 二〇二五年四月 本所地址：北京市朝阳区建外大街甲14号广播大厦5层、9层、10层、13层、17层 法律意见书 北京海润天睿律师事务所 关于斯达半导体股份有限公司 2021年股票期权激励计划注销剩余股票期权的 法律意见书 致：斯达半导体股份有限公司 2021 年股票期权激励计划注销剩余股票期权的 法律意见书 法律意见书 3. 对于本法律意见书至关重要而又无法得到独立证据支持的事实，本所律 师有赖于有关政府部门、斯达半导或者其他有关单位出具的证明文件及主管部门 公开可查的信息作为制作本法律意见书的依据。 4. 本所及经办律师依据《证券法》《律师事务所从事证券法律业务管理办法》 和《律师事务所证券法律业务执业规则（试行）》等规定及本法律意见书出具之 日以前已经发生或者存在的事实，严格履行了法定职责，遵循了勤勉尽责和诚实 信用原则，进行了充分的核查验证，保证本法律意见书所认定的事实真实、准确、 完整，所发表的结论性意见合法、准确，不存在虚假记载、误导性陈述或者重大 遗漏，并承担相应法律责任。 受斯达半导体股份有限公司（以下简称"斯达半导"、"公司"）委托，北京海 润 ...

Financial Performance - The company's operating revenue for 2024 was approximately ¥3.39 billion, a decrease of 7.44% compared to ¥3.66 billion in 2023[24]. - Net profit attributable to shareholders for 2024 was approximately ¥507.67 million, down 44.24% from ¥910.53 million in 2023[24]. - The basic earnings per share for 2024 was ¥2.12, reflecting a decline of 44.36% from ¥3.81 in 2023[25]. - The net profit attributable to shareholders after deducting non-recurring gains and losses was approximately ¥487.37 million in 2024, a decrease of 45.01% from ¥886.22 million in 2023[24]. - The company reported a net profit of approximately ¥162.60 million in Q1 2024, with a significant drop in subsequent quarters[29]. - The company's gross profit margin decreased from 37.51% in the previous year to 31.55% due to significant price declines in some products amid intense industry competition[38]. - The revenue from the industrial control and power sector was 1,100.29 million yuan, a decline of 14.00% year-on-year, while the new energy sector revenue was 2,008.97 million yuan, down 6.83% year-on-year[36]. Cash Flow and Assets - The net cash flow from operating activities increased significantly by 151.55% to approximately ¥962.64 million in 2024, compared to ¥382.69 million in 2023[24]. - Total assets at the end of 2024 reached approximately ¥9.65 billion, an increase of 13.70% from ¥8.48 billion at the end of 2023[24]. - The company's net assets attributable to shareholders increased by 3.83% to approximately ¥6.68 billion at the end of 2024, compared to ¥6.44 billion at the end of 2023[24]. - The company’s cash and cash equivalents decreased by 37.74%, totaling 43,830,389.93 RMB, primarily due to raw material purchases and fixed asset investments[71]. Research and Development - The company increased its R&D investment, with R&D expenses rising from 287.42 million yuan to 354.30 million yuan, a growth of 23.27% year-on-year[38]. - The company established a new R&D center in Zurich, Switzerland, as part of its strategy to enhance its technical team and focus on next-generation IGBT and SiC chip development[54]. - The company is committed to accelerating the R&D and commercialization of its next-generation IGBT chips, leveraging the seventh-generation micro trench technology[93]. Market Position and Strategy - The company aims to become a global leader in power semiconductor device R&D and manufacturing, focusing on market-driven innovation to create greater value for customers[43]. - The global power semiconductor market is projected to reach $50.3 billion in 2023 and $59.6 billion by 2027, driven by demand in new energy and electric vehicles[44]. - The company is a major supplier of automotive-grade IGBT/SiC modules in the domestic market and is actively expanding into overseas markets[52]. - The company plans to continue expanding its market share in the new energy and industrial control sectors while leveraging its brand advantages[57]. Corporate Governance - The company emphasizes the importance of maintaining a robust corporate governance structure, with regular board and shareholder meetings to ensure compliance and transparency[101]. - The company has established several specialized committees, including the Audit Committee, Nomination Committee, Compensation and Assessment Committee, and Strategic Committee[116]. - The board of directors and supervisory board operate independently, with no significant influence from controlling shareholders[103]. - The company has a clear governance structure, with designated roles for board members and management, ensuring accountability and transparency[106]. Shareholder Information - The company plans to distribute a cash dividend of 6.36 RMB per 10 shares, totaling approximately 152.3 million RMB, which represents 30% of the net profit attributable to shareholders for the year[124][127][128]. - The cumulative cash dividend amount over the last three accounting years is approximately 670.75 million RMB, with an average cash dividend payout ratio of 90%[130]. - The total number of employees across the parent company and major subsidiaries is 2,471, with 1,649 in production, 94 in sales, and 572 in technical roles[121]. Compliance and Risk Management - The company has conducted a self-inspection regarding the use of funds by controlling shareholders and their affiliates, confirming no violations of fund occupation as of December 31, 2024[103]. - The company has not faced any penalties from securities regulatory authorities in the past three years[113]. - The company faces risks related to macroeconomic fluctuations that could impact sales and profitability in key sectors such as new energy vehicles and industrial control[95]. Environmental Commitment - The company invested 7.3955 million yuan in environmental protection during the reporting period[139]. - The company is committed to reducing carbon emissions through the development of new products, particularly IGBT, which supports clean energy initiatives[142]. - The company has implemented measures to support carbon neutrality and peak carbon emissions by 2030[142].

Financial Performance - The company's operating revenue for Q1 2025 was ¥919,230,418.28, representing a 14.22% increase compared to ¥804,774,309.14 in the same period last year[4] - Net profit attributable to shareholders decreased by 36.22% to ¥103,704,640.46 from ¥162,598,954.19 year-on-year[4] - Basic earnings per share fell by 36.76% to ¥0.43 from ¥0.68 in the previous year[5] - Net profit for Q1 2025 was ¥104,855,128.07, a decrease of 36.4% from ¥165,115,084.02 in Q1 2024[19] - The company reported a total comprehensive income of ¥105,700,919.32 for Q1 2025, compared to ¥162,922,732.08 in Q1 2024[20] Cash Flow - The net cash flow from operating activities improved significantly to ¥172,654,677.15, compared to a negative cash flow of ¥103,124,619.08 in the same period last year[4] - Cash flow from operating activities for Q1 2025 was ¥784,491,270.82, a substantial increase from ¥445,061,072.56 in Q1 2024[23] - The net cash inflow from operating activities was $172,654,677.15, compared to a net outflow of $103,124,619.08 in the previous period[24] - Total cash inflow from investment activities amounted to $1,021,898,356.17, while cash outflow was $1,357,219,897.95, resulting in a net cash outflow of $335,321,541.78[24] - Cash inflow from financing activities was $100,164,113.74, with a net cash inflow of $98,150,114.28 after accounting for outflows[25] Assets and Liabilities - The total assets at the end of the reporting period increased by 4.56% to ¥10,085,465,276.31 from ¥9,645,676,460.22 at the end of the previous year[5] - Total liabilities as of March 31, 2025, were RMB 2,806,377,523.55, compared to RMB 2,607,664,862.13 as of December 31, 2024, marking an increase of approximately 7.6%[14] - The company's fixed assets increased significantly to RMB 3,076,235,687.96 from RMB 2,501,475,980.08, reflecting a growth of about 23%[14] - Total liabilities as of the reporting date were ¥3,207,970,018.82, an increase of 10.5% from ¥2,901,998,166.17 in the previous year[15] - Total equity attributable to shareholders reached ¥6,786,659,038.13, up 1.6% from ¥6,681,947,061.23 in the previous year[15] Research and Development - Research and development expenses increased by ¥74,775,800, contributing to the decline in net profit[7] - R&D expenses in Q1 2025 amounted to ¥138,422,110.70, representing a significant increase of 117.0% compared to ¥63,646,342.44 in Q1 2024[19] Shareholder Information - The number of ordinary shareholders at the end of the reporting period was 56,833[9] - The company has not disclosed any significant new strategies or product developments during the reporting period[12] Government Support - The company received government subsidies amounting to ¥221,338.44 during the reporting period[6] Other Financial Metrics - The weighted average return on equity decreased by 0.96 percentage points to 1.54% from 2.50% year-on-year[5] - The company reported a decrease in accounts payable from RMB 797,927,085.35 to RMB 907,495,583.07, which is an increase of about 13.7%[14] - Deferred income tax liabilities increased to ¥64,084,008.93 from ¥60,428,678.40 year-over-year[15] - The company received tax refunds totaling $81,025,563.38 during the reporting period[24] - The impact of exchange rate fluctuations on cash and cash equivalents was a positive $8,700,811.55[25] - The company reported a significant increase in cash received from other operating activities, totaling $108,779,755.95 compared to $33,551,453.97 previously[24] Accounting Standards - The company will not apply new accounting standards starting from 2025[26]

证券代码：603290 证券简称：斯达半导 公告编号：2025-003 斯达半导体股份有限公司 关于召开 2024 年度暨 2025 年第一季度 一、 说明会类型 本次投资者说明会以网络互动形式召开，公司将针对 2024 年度和 2025 年第 一季度的经营成果及财务指标的具体情况与投资者进行互动交流和沟通，在信息 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： 投资者可于 2025 年 04 月 24 日 （星期四） 至 04 月 30 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"栏目或通过公司邮箱 investor-relation@powersemi.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。 斯达半导体股份有限公司（以下简称"公司"）拟于 2025 年 04 月 26 日发布 公司 2024 年度报告和 2025 年第一季度报告，为便于广大投资者更全面深入地了 解公司 2024 年度和 2025 年第一季度的经营成果、财务状况，公司计 ...

Group 1 - The company has initiated the third exercise period of its 2021 stock option incentive plan, allowing for the exercise of 334,656 stock options from April 23, 2024, to April 22, 2025, with a total of 4,452 shares exercised by March 31, 2025, representing 1.33% of the total options [1] - As of March 31, 2025, a cumulative total of 100,570 shares have been exercised, accounting for 30.05% of the total options [1] - The stock obtained through the exercise will be listed for trading on the second trading day after the exercise date [1] Group 2 - The 2021 stock option incentive plan was approved and implemented with independent directors expressing their agreement on the related proposals [2] - The company has conducted multiple meetings to review and approve adjustments to the incentive plan, including the cancellation of certain stock options and adjustments to exercise prices [3][4] - The total number of participants in the third exercise period is 102, with 46 individuals participating in the exercise [5] Group 3 - The stock options are sourced from the company's directed issuance of A-share common stock to the incentive objects [5] - The total number of unrestricted shares increased from 239,469,014 to 239,473,466 due to the exercise of options, with no change in the actual controller of the company [6] - The funds raised from the exercise will be used to supplement the company's working capital [6] Group 4 - The exercise of stock options has not significantly impacted the company's financial status or operating results, with the total share capital reaching 239,473,466 shares [6]

斯达半导体股份有限公司 证券代码：603290 证券简称：斯达半导 公告编号：2025-002 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： 本次行权股票数量：斯达半导体股份有限公司（以下简称"公司"）2021 年股票期权激励计划第三个行权期可行权股票期权数量为 334,656 份，行权有效 日期为 2024 年 04 月 23 日-2025 年 04 月 22 日（行权日须为交易日），行权方式 为自主行权。2025 年 01 月 01 日至 2025 年 03 月 31 日，共行权并完成股份过户 登记 4,452 股，占可行权股票期权总量的 1.33%。截止 2025 年 03 月 31 日，累计 行权且完成股份过户登记 100,570 股，占可行权股票期权总量的 30.05%。 关于 2021 年股票期权激励计划 2025 年第一季度自主行权结果暨股份变动的公告 本次行权股票上市流通时间：本激励计划采用自主行权模式行权，激励 对象行权所得股票于行权日（T 日）后的第二个交易日（T+2）日上市交易。 一、2 ...

Investment Rating - The report initiates coverage on the company with an "Accumulate" rating, projecting a target price of 107 CNY per share for 2025, with an upside target of 125 CNY per share [4][10][14]. Core Insights - The IGBT market is showing signs of marginal improvement, driven primarily by the demand from the electric vehicle sector. The IGBT shipment volume is expected to return to positive growth by Q2 2024, indicating the end of the industry downturn. The current IGBT prices are at a relative bottom, which is beneficial for the company's cost structure [1][10][23]. - The SiC (Silicon Carbide) market is experiencing a significant reduction in costs, with the production capacity of SiC substrates in China expected to triple by mid-2024 compared to 2022. The price of SiC substrates has decreased by approximately 30% in 2024, and further declines are anticipated in 2025, which will enhance the demand for SiC products in high-end vehicle platforms [2][12][28]. - The company's fundraising projects are progressing well, transitioning to a Fabless + IDM model. The company raised 3.5 billion CNY in 2021 to enhance its production capacity, with expectations of producing 300,000 units of high-voltage power chips and 60,000 units of SiC chips annually [3][13][40]. Summary by Sections Overall View - The company is expected to benefit from the recovery in IGBT prices and shipment volumes, alongside the growth in the electric vehicle market, which will enhance its market share and profitability [10][14]. Current Price and Valuation Assessment - The report estimates the company's net profit for 2024 and 2025 to be 626 million CNY and 848 million CNY, respectively, with corresponding PE ratios of 34 and 25 [4][5][56]. Core Logic Changes - The IGBT market is anticipated to recover, with improved shipment volumes and a stabilization of prices. The demand from the automotive electronics sector, particularly for electric vehicles, is expected to drive this recovery [10][23][25]. Company Overview - The company, established in 2005, focuses on the design, production, and sales of power semiconductor chips and modules, primarily IGBT modules, which account for over 90% of its revenue [42][44]. Performance Breakdown and Valuation - The company's IGBT business is projected to generate revenues of 32.01 billion CNY in 2024, with a slight decline expected, followed by a recovery in subsequent years. The SiC business is also expected to grow significantly, contributing to the overall revenue increase [54][55][56].