东芯半导体股份有限公司独立董事关于 第二届董事会第八次会议相关事项的独立意见 根据《上海证券交易所科创板股票上市规则》《上市公司独立董事规则》 等法律、行政法规、部门规章和规范性文件，以及《东芯半导体股份有限公司 章程》（以下简称"《公司章程》"）等有关规定，我们作为东芯半导体股份有限 公司（以下简称"公司"）的独立董事，现就公司第二届董事会第八次会议相关事 项发表如下独立意见： 一、《关于2023年半年度募集资金存放与实际使用情况的专项报告的议案》 的独立意见 经核查，我们认为：公司2023年半年度募集资金的存放和使用符合中国证 券监督管理委员会、上海证券交易所关于上市公司募集资金存放和使用的相关 监管要求和管理办法，不存在募集资金存放和使用违规的情形。公司所披露的 募集资金存放和使用情况信息与实际情况一致，如实履行了信息披露义务。独 立董事一致同意审核通过2023年半年度募集资金存放与实际使用情况的专项报 告。 （以下无正文） （本页无正文，为《东芯半导体股份有限公司独立董事关于第二届董事会 第八次会议相关事项的独立意见》的签字页 ) 独立董事: The 18 Bla JOSEPH ZHIFENG 黄志伟 ...

证券代码：688110 证券简称：东芯股份 公告编号：2023-055 东芯半导体股份有限公司 2023 年半年度募集资金存放与实际使用情况的 专项报告 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、准确性和完整性依法承担法律责任。 根据《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》《上海证券交易所科创板上市公司自律监管指引第 1 号——规范运作》《上 海证券交易所科创板股票上市规则》等有关法律、法规及相关文件的规定，东芯 半导体股份有限公司（以下简称"公司"或"本公司"）就 2023 年半年度募集 资金存放与使用情况专项报告说明如下： 一、 募集资金基本情况 （一）实际募集资金金额和到账时间 经中国证券监督管理委员会《关于同意东芯半导体股份有限公司首次公开发 行股票注册的批复》（证监许可[2021]3558 号），并经上海证券交易所同意，公 司于 2021 年 12 月向社会公开发行人民币普通股 11,056.244 万股，每股面值人民 币 1.00 元，每股发行价为人民币 30.18 元，募集资金总额为人民币 333,677 ...

Financial Performance - The company reported a net profit of 213,218,108.77 RMB for the current period, reflecting a significant increase compared to the previous year[29]. - The company's total revenue for 2021 was ¥1,134,281,270.31, representing a 44.62% increase compared to ¥784,307,913.62 in 2020[50]. - The net profit attributable to shareholders for 2021 was ¥261,796,151.50, a significant increase of 1,240.27% from ¥19,533,095.76 in the previous year[50]. - The net profit after deducting non-recurring gains and losses was ¥255,266,140.57, reflecting a 1,354.24% increase compared to ¥17,553,189.22 in 2020[50]. - The total comprehensive income for the current period was 213,218,108.77 RMB, indicating strong financial performance[29]. - The company's gross profit margin improved significantly due to increased sales scale and optimization of product structure, leading to a higher proportion of high-margin products[61]. - The company's total assets at the end of 2021 were ¥4,178,428,032.66, an increase of 450.68% from the previous year[50]. - The net assets attributable to shareholders increased to ¥3,820,252,676.53, a growth of 661.91% compared to the previous year[50]. - The basic earnings per share for 2021 was ¥0.77, up 1,183.33% from ¥0.06 in 2020[50]. - The total owner's equity at the beginning of the year was 559,731,360.82 RMB, with a capital increase of 110,562,440.00 RMB during the year[29]. Cash Flow - The net cash flow from operating activities for 2021 was ¥41,982,691.75, a decrease of 53.8% compared to ¥90,739,979.89 in 2020[7]. - The total cash inflow from financing activities reached ¥3,095,816,356.26, significantly up from ¥78,592,938.93 in the previous year[7]. - The company reported a net increase in cash and cash equivalents of ¥3,060,657,524.92, compared to an increase of ¥149,110,615.42 in 2020[7]. - The total cash outflow from operating activities was ¥555,823,583.76, up from ¥501,177,446.36 in the previous year[7]. - The cash flow from investment activities showed a net outflow of ¥45,777,246.79, worsening from a net outflow of ¥18,572,160.43 in 2020[7]. - The ending balance of cash and cash equivalents was ¥3,242,344,806.12, compared to ¥181,687,281.20 at the beginning of the year[7]. Research and Development - The R&D expenditure accounted for 6.60% of total revenue, an increase of 0.54 percentage points from the previous year[50]. - Research and development expenses amounted to 74.81 million yuan, accounting for 6.60% of operating revenue, with a year-on-year increase of 57.37%[61]. - The company plans to continue increasing R&D investment to accelerate new product development and enhance its R&D platform[61]. - The company is currently developing several NAND and NOR Flash series products, with total investment projected at ¥6 billion for the 24nm NAND Flash series, of which ¥1.07 million has been invested this period[120]. - The company aims to achieve lower power consumption and faster read/write speeds in its NAND Flash chips, targeting applications in communication devices, security monitoring, wearable devices, and mobile terminals[120]. - The company has a strong focus on NAND, NOR, and DRAM storage chip design, with a commitment to achieving technological breakthroughs in domestic storage chips[61]. Market and Product Development - The company has expanded its product offerings and customer base, particularly in the telecommunications and industrial sectors, responding to strong market demand[61]. - The company achieved operating revenue of 1.134 billion yuan, a year-on-year increase of 44.62%[61]. - The company completed the first tape-out of SLC NAND Flash based on the SMIC 19nm process platform in the second half of 2021[71]. - The company achieved the design tape-out of new products up to 32Gb based on the SMIC 24nm process platform, covering the design and development of products from 1Gb to 32Gb[71]. - The company has increased the proportion of high-value-added products, leading to a steady rise in market share among well-known domestic terminal clients[71]. Risk Management and Compliance - The company has established a robust internal control system and governance structure to enhance risk management and protect shareholder rights[71]. - The company faces risks related to rapid technological upgrades and the need for continuous innovation to keep pace with market demands[113]. - The company has actively increased its patent applications to build a protective barrier for its intellectual property[71]. - The financial statements comply with the requirements of the accounting standards and reflect the company's financial position, operating results, and cash flows accurately[94]. - The company has established a financial management strategy that includes risk management and investment strategies based on fair value assessments[100]. Supply Chain and Operations - The company has established a stable and reliable supply chain system, forming strategic partnerships with major foundries like SMIC and leveraging their advanced process nodes[72][76]. - The company operates under a Fabless model, outsourcing manufacturing, packaging, and testing to specialized firms[148]. - The company relies heavily on a few suppliers, with the top five suppliers accounting for 86.35% of total purchases[149]. - The company has improved its product delivery capabilities through long-term strategic cooperation with upstream suppliers and clients in various application fields[71]. - The company actively collaborated with the supply chain to expand NAND production capacity in response to strong downstream demand[198]. Inventory and Sales - The company's accounts receivable at the end of the reporting period amounted to RMB 254.88 million, accounting for 22.47% of the operating revenue[151]. - The company's inventory at the end of the reporting period was valued at RMB 349.04 million, with a provision for inventory impairment of RMB 52.76 million[151]. - The inventory for NAND products increased by 50.72% year-over-year, while DRAM inventory decreased by 22.58%[195]. - The direct sales model generated ¥80,203.54 million in revenue, with a gross margin of 45.10%, reflecting a year-over-year revenue increase of 79.29%[194]. - The distribution sales model accounted for ¥33,140.69 million in revenue, with a gross margin of 34.80%, showing a year-over-year revenue decrease of 1.16%[194].

重要内容提示： 会议召开时间：2023 年 05 月 17 日(星期三) 上午 10:00-11:00 东芯半导体股份有限公司 关于召开 2022 年度暨 2023 年第一季度业绩说明会的 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。 会议召开地点：上海证券交易所上证路演中心（网址： http://roadshow.sseinfo.com/） 证券代码：688110 证券简称：东芯股份 公告编号：2023-033 会议召开方式：上证路演中心网络互动 投资者可于 2023 年 05 月 10 日(星期三) 至 05 月 16 日(星期 二)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 contact@dosilicon.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。 东芯半导体股份有限公司（以下简称"公司"）已分别于 2023 年 04 月 15 日、2023 年 04 月 28 日发布公司 2022 年年度报告、公司 2023 年第一季度报告，为便于广大投资者更全面 ...

Financial Performance - The company reported a revenue of 123.84 million yuan for Q1 2023, a significant decline of 64.05% year-over-year[14]. - The net profit attributable to shareholders decreased by 131.21% compared to the same period last year, reflecting the impact of weak terminal demand and high comparative base from the previous year[14]. - The total comprehensive income for the period was -44.49 million yuan, compared to 118.14 million yuan in the same quarter of the previous year[1]. - Basic and diluted earnings per share were both -0.08 yuan, down from 0.25 yuan in the prior year[1]. - Total operating revenue for Q1 2023 was ¥123,835,909.21, a decrease of 64.0% compared to ¥344,460,754.71 in Q1 2022[48]. - Net profit for Q1 2023 was a loss of ¥34,458,691.81, compared to a profit of ¥122,200,208.51 in Q1 2022[49]. - Net profit attributable to shareholders of the listed company was -34,367,269.67, a decline of 131.21% year-on-year[70]. Cash Flow and Liquidity - Cash flow from operating activities was 186.12 million yuan, down from 389.27 million yuan in Q1 2022[1]. - Net cash flow from operating activities was -32,992,856.62, down 137.47% from the previous year[70]. - The company's cash and cash equivalents remained stable at approximately 2.53 billion yuan[3]. - Cash and cash equivalents as of March 31, 2023, were ¥2,481,101,848.43, slightly down from ¥2,530,266,750.47 at the end of 2022[57]. - The ending balance of cash and cash equivalents was 2,481,101,848.43, down from 3,178,015,281.08 at the end of the previous year[64]. Assets and Liabilities - The total liabilities amounted to 206.88 million yuan, a slight decrease from 209.50 million yuan year-over-year[2]. - Total liabilities decreased to ¥181,214,708.57 in Q1 2023 from ¥206,875,569.77 in Q1 2022, reflecting a reduction in financial obligations[59]. - The company's total assets at the end of the reporting period were 4,253,908,775.08, a decrease of 1.61% from the previous year[70]. - Total assets decreased from 4,323,587,119.28 to 4,253,908,775.08, a decline of approximately 1.6%[73]. - Current assets slightly decreased from 3,512,944,660.50 to 3,507,947,715.70, a decrease of about 0.14%[73]. - Non-current assets decreased from 810,642,458.78 to 745,961,059.38, a decline of approximately 8%[73]. Shareholder Information - The total equity attributable to the parent company decreased to 3,894,551,570.90 RMB from 3,930,752,637.31 RMB, reflecting a decline of approximately 0.92%[25]. - The company’s total equity was reported at 3.21 billion yuan, with no changes in the capital stock[2]. - The total number of ordinary shareholders at the end of the reporting period was 25,567[17]. - The company has a total of 143,213,025 shares held by its largest shareholder, accounting for 32.38% of total shares[19]. - The equity attributable to shareholders of the listed company was 3,894,551,570.90, down 0.92% from the previous year[70]. Operational Challenges - The company faced pressure on both sales prices and costs, leading to a decline in gross margin[14]. - The company is navigating a challenging macroeconomic environment with a cyclical downturn in the semiconductor industry[14]. - The company experienced a significant decline in terminal demand due to the global economic downturn and cyclical fluctuations in the semiconductor industry[71]. Research and Development - Research and development expenses increased to ¥35,543,580.57 in Q1 2023, up 58.5% from ¥22,411,026.24 in Q1 2022[48]. - The company plans to continue focusing on R&D to drive future growth, as indicated by the substantial increase in R&D spending[48]. - R&D investment totaled 35,543,580.57, an increase of 58.60% compared to the previous period[70]. - R&D investment accounted for 28.70% of total revenue, up 22.19 percentage points year-on-year[70]. Other Financial Metrics - The company recorded a government subsidy income of 382,395.24 RMB, which is related to its operational activities[15]. - The company reported a non-operating income of 3,730,165.75 RMB from the fair value changes of financial assets and derivatives[15]. - The company reported a significant increase in financial expenses, with interest expenses rising to ¥1,449,441.15 in Q1 2023 from ¥458,832.12 in Q1 2022[48]. - Cash inflow from investment activities was 210,349,465.75, a significant increase compared to 20,102.00 in the previous period[74]. - Cash outflow for investment activities decreased from 314,837,333.02 to 221,203,857.67, a reduction of approximately 29.7%[74]. - Cash inflow from financing activities increased to 16,071,160.00 from 9,215,040.00, an increase of about 74.5%[74].

Investment and Production - The company reported a total investment of 19,940 million RMB for the 19nm NAND Flash series, with 1,047.82 million RMB invested in the current period and a cumulative investment of 4,209.27 million RMB[12]. - The 24nm NAND Flash series has a total investment of 7,500 million RMB, with 1,197.46 million RMB in the current period and a cumulative investment of 5,589.04 million RMB, with some products already in mass production[12]. - The 28nm NAND Flash series also has a total investment of 7,500 million RMB, with 2,499.92 million RMB invested in the current period and a cumulative investment of 6,272.70 million RMB, with some products already in mass production[12]. - The 48nm NOR Flash series has a total investment of 6,500 million RMB, with 1,628.25 million RMB in the current period and a cumulative investment of 5,813.76 million RMB, with some products already in mass production[12]. - The company’s SLC NAND Flash products are produced using 38nm and 24nm processes, with some new products reaching mass production standards[61]. - The NOR Flash products have been developed on a 48nm process, with samples of 512Mb and 1Gb available for customers[61]. - The company has expanded its product line to include DRAM products, with LPDDR4x and PSRAM samples completed and verified by customers[61]. - The company’s automotive-grade products have passed AEC-Q100 testing, suitable for stringent automotive applications[61]. - The NAND Flash products are produced using a 2xnm process, with plans to advance to 1xnm, while NOR Flash is produced at 48nm and DRAM at 25nm[79]. Research and Development - The company has filed 63 new invention patents in the current year, bringing the total to 150, with 69 patents granted[26]. - The company plans to enhance SLC NAND Flash technology by reducing costs and power consumption, and improving data reading speed and reliability[23]. - The company is focusing on developing new memory technologies such as FeRAM, RRAM, and MRAM for applications in smartphones, tablets, and AI[23]. - The R&D team consists of 130 personnel, accounting for 55.56% of the total workforce, highlighting the company's focus on talent acquisition and development in the semiconductor field[47]. - The company has seen an increase in R&D personnel and equipment compared to the previous period, reflecting its commitment to innovation[56]. - Research and development expenses increased by 47.46% to approximately ¥110 million from ¥75 million in the previous year[125]. - The company has established a "R&D-Transformation-Innovation" technology development cycle to enhance its R&D capabilities[116]. - The company plans to continue optimizing its R&D personnel structure to enhance innovation capabilities and improve R&D efficiency[87]. - The company is committed to continuous R&D innovation and process upgrades to maintain the technological advancement of its existing products[197]. Financial Performance - In 2022, the company achieved operating revenue of 1.146 billion CNY, a year-on-year increase of 1.03%[61]. - The net profit attributable to shareholders was 185 million CNY, a decrease of 29.17% compared to the previous year[61]. - The company’s total assets reached 4.324 billion CNY, reflecting a year-on-year growth of 3.47%[61]. - R&D expenses amounted to 110 million CNY, accounting for 9.63% of the operating revenue, an increase of 3.03 percentage points year-on-year[61]. - The company reported a significant decline in cash flow from operating activities, reporting a net cash flow of -261,017,608.56 CNY, a decrease of 322.10% compared to 117,522,087.87 CNY in 2021[88]. - Basic earnings per share were 0.42 CNY, down 45.45% from 0.77 CNY in the previous year[91]. - The weighted average return on equity decreased to 4.74%, down 24.75 percentage points from 29.49% in 2021[91]. - The company reported a net cash outflow from operating activities of approximately ¥261 million, a significant decrease from a net inflow of ¥118 million in the previous year[125]. - The company reported a revenue of 31,011.28 million KRW and a net profit of 4,572.66 million KRW from its subsidiary Fidelix Co., Ltd.[194]. Market and Customer Relations - The direct sales model revenue grew by 25.84% in 2022, while the distribution model revenue decreased by 59.21%, indicating a shift towards deeper customer collaboration[41]. - The company has established a stable supply chain by collaborating with major partners like SMIC and Powerchip, enhancing production efficiency and product quality[46]. - The company has established a stable cooperation with major packaging and testing factories, enhancing production efficiency and product yield through deep technical collaboration[64]. - The company has participated in 69 roadshows in 2022, establishing good relationships with major investors and brokers[67]. - The top five customers contributed a total sales revenue of 72,787.36 million RMB, accounting for 63.60% of the annual total sales, with no sales to related parties[134]. - The largest customer, Customer 1, accounted for 26.29% of total sales, with sales of 30,089.53 million RMB[135]. - The company has introduced LG Electronics, Inc. as a new major customer, indicating a diversification in its customer base[152]. Risks and Challenges - The company faces risks related to core technology leakage, which could adversely affect its R&D and operational capabilities[48]. - The company operates under a Fabless model, relying heavily on a few major foundries and testing factories, which poses a risk if there are significant changes in supplier relationships or costs[74]. - The company faces risks from macroeconomic fluctuations and increased competition, which could impact sales revenue and profit margins[77]. - The company’s inventory at the end of the reporting period was valued at 668.25 million yuan, accounting for 15.46% of total assets, with a provision for inventory impairment of 167.57 million yuan due to market price declines[77]. Strategic Goals - The company aims to develop more advanced SLC NAND Flash chips with international leading technology levels for communication devices, security monitoring, wearable devices, and mobile terminals[12]. - The company aims to enhance its international operations and adapt to changing market conditions to sustain growth and market share[79]. - The company aims to become a leading domestic storage chip design enterprise, focusing on providing a comprehensive range of storage chip products including NAND Flash, NOR Flash, DRAM, and MCP to meet growing storage demands[197]. - The company plans to enhance its product process technology and maintain a stable supply chain, collaborating with foundries to share R&D capabilities and integrate technology resources[198]. - The company will continue to optimize its product structure and expand into diversified markets, focusing on high-value-added products, particularly in automotive-grade storage chips[198].

东芯半导体股份有限公司投资者关系活动记录表 （2022 年 4 月） 证券代码：东芯股份 证券简称：688110 | --- | --- | --- | |-----------------------|----------------------|---------------------------------------------------------------------| | | | | | | | 特定对象调研 □ 分析师会议 | | 投资者关系活 | □ | 媒体采访 □ 业绩说明会 | | 动类别 | □ 新闻发布会 | □ 路演活动 | | | □ 现场参观 | 电话会议 | | | □ 其他（ ） | | | 参与单位名称 | 详见附件 | 《参与单位清单》 | | 活动时间 | 2022 | 4 月 25 日、 4 月 26 日、 4 月 28 日 | | 活动地点 | 线上会议 | | | | 董事、总经理：谢莺霞 | | | 上市公司接待 人员姓名 | 副总经理：陈磊 | 董事、董事会秘书：蒋雨舟 | | | 财务总监：朱奇伟 | | | | | 交流的主要问题及答复： | | ...

东芯半导体股份有限公司投资者关系活动记录表 （2022 年 5 月 19 日） 证券代码：东芯股份 证券简称：688110 | --- | --- | --- | |--------------|-------------|-----------------------------------------------------------------------------------------------| | | | | | 投资者关系活 | □ | □ 分析师会议 | | 动类别 | □ | 业绩说明会 | | | | □ 新闻发布会 □ 路演活动 | | | □ 现场参观 | □ 电话会议 | | | □ 其他（ ） | | | 参与单位名称 | | 通过线上方式参与公司 2021 年度暨 2022 年第一季度业绩说明会的投资者 | | 活动时间 | 2022 | 日（周四） 10:00-11:30 | | 活动地点 | | 上海证券交易所上证路演中心 （网址： http://roadshow.sseinfo.com/ ） | | 公司接待人员 | | 蒋学明先生（董事长） | | 姓名 | | ...

东芯半导体股份有限公司投资者关系活动记录表 （2022 年 6 月） 证券代码：东芯股份 证券简称：688110 | --- | --- | --- | --- | |-------------------------|-----------|---------------------------------------------|----------------------------------------------------------------------| | | | 特定对象调研 □ 分析师会议 | | | 投资者关系活 | □ | 媒体采访 □ 业绩说明会 | | | 动类别 | | □ 新闻发布会 | 路演活动 | | | | 现场参观 | 电话会议 | | | | □ 其他（ ） | | | 参与单位名称 | | 详见附件 1 《参与单位清单》 | | | | 2022 | 年 6 月 9 日 | | | | 2022 | 年 6 月 14 日 | | | | 2022 | 年 6 月 15 日 | | | 活动时间 | 2022 2022 | 年 6 月 16 日 年 6 月 21 ...

东芯半导体股份有限公司投资者关系活动记录表 （2022 年 5 月） 证券代码：东芯股份 证券简称：688110 | --- | --- | --- | |-----------------------|---------------------------------|-----------------------------------------------------------------------| | | | 特定对象调研 □ 分析师会议 | | 投资者关系活 | □ | 媒体采访 □ 业绩说明会 | | 动类别 | □ 新闻发布会 | □ 路演活动 | | | □ 现场参观 | 电话会议 | | | □ 其他（ ） | | | 参与单位名称 | 详见附件 | 《参与单位清单》 | | 活动时间 | 2022 | 日、 5 月 10 日、 5 月 13 日 | | 活动地点 | 线上会议 | | | | | 董事、总经理：谢莺霞 | | 上市公司接待 人员姓名 | 副总经理：陈磊 财务总监：朱奇伟 | 董事、董事会秘书：蒋雨舟 | | | | 交流的主要问题及答复： | | | 1、21 | ...