中信证券股份有限公司 关于 山东瑞丰高分子材料股份有限公司 2022年度向特定对象发行股票 之 上市保荐书 保荐人（主承销商） 广东省深圳市福田区中心三路 8 号卓越时代广场（二期）北座 二〇二三年九月 声 明 中信证券股份有限公司（以下简称"中信证券"或"保荐人"）接受山东瑞 丰高分子材料股份有限公司（以下简称"瑞丰高材"、"发行人"或"公司"） 的委托，担任山东瑞丰高分子材料股份有限公司 2022 年度向特定对象发行股票 的保荐人。 保荐人及指定的保荐代表人根据《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》"）、《上市 公司证券发行注册管理办法》（以下简称"《注册管理办法》"）等有关法律、 法规和中国证券监督管理委员会（以下简称"中国证监会"）、深圳证券交易所 （以下简称"深交所"）的有关规定，诚实守信，勤勉尽责，严格按照依法制订 的业务规则、行业执业规范和道德准则出具上市保荐书，并保证所出具文件的真 实、准确、完整。 在本上市保荐书中，除上下文另有所指，释义与《山东瑞丰高分子材料股份 有限公司 2022 年度向特定对象发行股票募集说明书》相同。 3- ...

Financial Performance - The company's operating revenue for the first half of 2023 was RMB 838,161,435.35, a decrease of 11.82% compared to RMB 950,560,827.19 in the same period last year[33]. - The net profit attributable to shareholders of the listed company was RMB 43,325,966.33, down 23.89% from RMB 56,924,241.56 year-on-year[33]. - The net profit after deducting non-recurring gains and losses was RMB 42,095,322.08, a decline of 26.90% compared to RMB 57,587,907.30 in the previous year[33]. - Basic earnings per share decreased to RMB 0.19, down 24.00% from RMB 0.25 in the previous year[33]. - Total assets at the end of the reporting period were RMB 1,904,554,163.16, a decrease of 1.90% from RMB 1,941,503,163.88 at the end of the previous year[33]. - The net assets attributable to shareholders of the listed company increased by 7.31% to RMB 1,003,886,494.90 from RMB 935,493,887.83 at the end of the previous year[33]. - The weighted average return on net assets was 4.51%, down from 6.15% in the same period last year, a decrease of 1.64%[33]. - The company achieved total operating revenue of CNY 838.16 million, a decrease of 11.82% year-on-year[55]. - Operating profit was CNY 46.66 million, down 32.16% compared to the previous year[55]. - Net profit attributable to shareholders was CNY 43.33 million, reflecting a decline of 23.89% year-on-year[55]. Investment and Projects - The company is currently constructing several projects, including a 60,000-ton biodegradable polymer material PBAT project and a 20,000-ton epoxy chloropropane project, which are yet to be operational[10]. - The company plans to expand into new product lines, including engineering plastic additives and biodegradable materials, while also exploring black phosphorus and new energy battery adhesive businesses[11]. - The company is investing in a PBAT project with an annual production capacity of 60,000 tons, expected to be operational by the end of 2023[59]. - The project for an annual production of 60,000 tons of biodegradable polymer materials has utilized RMB 209,002.19 million of the raised funds, achieving 65.63% of the planned investment[85]. - The company has established a wholly-owned subsidiary, Shandong Ruifeng Biomaterials Co., Ltd., with no significant impact on the 2023 performance[93]. - The company is set to invest in a joint venture with Shandong Yueneng New Materials Technology Co., Ltd., holding 51% of the new company focused on the R&D, production, and sales of black phosphorus and black phosphorusene materials[158]. - The company plans to increase its stake in DINA New Materials Technology Co., Ltd. to acquire 16.47% and 10% equity through a capital increase, focusing on R&D, production, and sales of new energy battery glue products[159]. Market and Competition - The company has increased its production capacity by 40,000 tons in recent years, but faces competition from major players in the market, particularly from Japan and South Korea[9]. - The company is focusing on expanding its biodegradable materials business, currently investing in a project with an annual production capacity of 60,000 tons of PBAT, which is still under construction[46]. - The domestic market demand for PC/ABS impact modifiers is approximately 30,000 to 50,000 tons, with the company already achieving bulk sales in this category[50]. - The company is a leading player in the PVC additives industry, with a significant market share in the pipe/profile and flooring sectors[49]. - The engineering plastic additives business is a key area of expansion for the company, with a production capacity of 30,000 tons achieved through the technical transformation of existing MBS production lines[50]. - The company is facing challenges in market promotion of biodegradable materials due to raw material prices and an incomplete supply chain[52]. - The biodegradable materials market is influenced by national policies aimed at reducing plastic usage, with significant growth potential anticipated[46]. Risk Management - The company acknowledges potential risks from macroeconomic factors, including international conflicts and domestic real estate market conditions, which may impact customer demand[13]. - The company has implemented measures to mitigate risks associated with raw material price fluctuations, including flexible pricing strategies for its products[6]. - The company is actively monitoring and adjusting its operational strategies in response to changes in the macroeconomic environment and market conditions[13]. - The company is facing risks related to raw material price fluctuations, which could adversely affect production costs and profitability[94]. - The company acknowledges risks related to market supply and demand, industry policies, and technological updates that could impact project returns[99]. - The company plans to closely monitor macroeconomic conditions and adjust its operational strategies to mitigate risks from economic downturns and industry challenges[102]. Environmental Compliance - The company emphasizes strict safety management and environmental compliance in its production processes to prevent accidents and meet regulatory requirements[8]. - The company has committed to complying with environmental regulations and managing waste emissions according to standards set by environmental authorities[97]. - The company has invested in seven sets of exhaust gas treatment devices and three sets of wastewater treatment facilities, ensuring effective pollution control[120]. - The company has established emergency response plans for environmental incidents at all three plant areas, which have been filed with the local ecological environment bureau[120]. - The company has implemented a self-monitoring plan for wastewater and air emissions, in compliance with regulatory requirements[118]. - The company has not faced any administrative penalties related to environmental issues during the reporting period[121]. - The company has committed to green production practices, integrating environmental protection into its operational strategy[123]. Shareholder and Stock Information - The company has not distributed cash dividends or bonus shares for the half-year period[108]. - The company has implemented a stock incentive plan, with 3.1383 million shares successfully vested during the reporting period[110]. - The company’s stock issuance plan is pending approval from the Shenzhen Stock Exchange and the China Securities Regulatory Commission[144]. - The total number of restricted stock for equity incentive plans to be released is 1,380,300 shares, scheduled for November 17, 2023[170]. - Major shareholder Zhou Shibin holds 22.27% of the shares, totaling 52,442,197 shares, with an increase of 690,000 shares during the reporting period[172]. - The total number of shares held by directors, supervisors, and senior management at the end of the reporting period was 59,698,692 shares, with an increase of 1,758,000 shares during the reporting period[175]. - The company did not experience any changes in its controlling shareholder during the reporting period[176]. - The company reported a total of 188,869,486 unrestricted shares, accounting for 80.21% of total shares[164].

| 保荐人名称：中信证券股份有限公司 | 被保荐公司简称：瑞丰高材（300243.SZ） | | --- | --- | | 保荐代表人姓名：秦镭 | 联系电话：18610010975 | | 保荐代表人姓名：胡滨 | 联系电话：0755- 23835201 | 一、保荐工作概述 中信证券股份有限公司 关于山东瑞丰高分子材料股份有限公司 2023 年上半年持续督导跟踪报告 | 报告事项 | 说明 | | --- | --- | | 1、保荐代表人变更及其理由 | 不适用 | | | 1、2023 年 3 月 28 日，中国证监会四川监管局对我公司 | | | 保荐的创意信息技术股份有限公司（以下简称"创意信 | | | 息"）出具《关于对创意信息技术股份有限公司及陆文 | | | 斌、何文江、刘杰采取出具警示函措施的决定》。监管 | | | 措施认定：创意信息披露的 2021 年度业绩预告与公司 | | | 年年度报告存在较大差异且盈亏性质发生变化。上 2021 | | | 述行为违反了《上市公司信息披露管理办法》第三条第 | | | 一款的规定。我公司在上市公司收到监管函件后，与上 | | | 市公司一起仔 ...

山东瑞丰高分子材料股份有限公司 明书等申请文件更新的提示性公告 本公司及董事会全体成员保证信息披露的内容真实、准确、完整，没有 虚假记载、误导性陈述或重大遗漏。 山东瑞丰高分子材料股份有限公司（以下简称"公司"）于 2023 年 7 月 3 日 收到深圳证券交易所（以下简称"深交所"）出具的《关于山东瑞丰高分子材料 股份有限公司申请向特定对象发行股票的审核问询函》（审核函〔2023〕020106 号）（以下简称"《审核问询函》"）。深交所上市审核中心对公司报送的向特 定对象发行股票的申请文件进行了审核，并形成审核问询问题。 | 证券代码：300243 | 证券简称：瑞丰高材 公告编号：2023-063 | | --- | --- | | 债券代码：123126 | 债券简称：瑞丰转债 | 关于申请向特定对象发行股票的审核问询函回复及募集说 公司于 2023 年 8 月 29 日披露了《2023 年半年度报告》，公司按照相关要 求同中介机构对审核问询函回复进行了相应补充修订并更新了相关申请文件。现 对审核问询函相关问题的回复内容以及募集说明书等相关文件进行公开披露，具 体内容详见公司同日在巨潮资讯网（www.c ...

关于瑞丰转债 2023 年付息的公告 | 证券代码：300243 | 证券简称：瑞丰高材 公告编号：2023-061 | | --- | --- | | 债券代码：123126 | 债券简称：瑞丰转债 | 山东瑞丰高分子材料股份有限公司 本公司及董事会全体成员保证信息披露的内容真实、准确、完整，没有 虚假记载、误导性陈述或重大遗漏。 特别提示： 1、"瑞丰转债"（债券代码：123126）将于 2023 年 9 月 11 日按面值支付第 二年利息，每 10 张"瑞丰转债"（面值 1,000.00 元）利息为 8.00 元（含税）。 2、债权登记日：2023 年 9 月 8 日 3、本次付息期间及票面利率：计息期间为 2022 年 9 月 10 日至 2023 年 9 月 9 日，票面利率为 0.80%。 4、付息日：2023 年 9 月 11 日 5、除息日：2023 年 9 月 11 日 6、"瑞丰转债"本次付息的债权登记日为 2023 年 9 月 8 日，截至 2023 年 9 月 8 日下午深圳证券交易所收市后，在中国证券登记结算有限责任公司深圳分公 司（以下简称"中国结算深圳分公司"）登记在册的"瑞丰转 ...

Financial Performance - The company's operating revenue for the first half of 2023 was RMB 838,161,435.35, a decrease of 11.82% compared to RMB 950,560,827.19 in the same period last year [33]. - Net profit attributable to shareholders was RMB 43,325,966.33, down 23.89% from RMB 56,924,241.56 year-on-year [33]. - The net profit after deducting non-recurring gains and losses was RMB 42,095,322.08, reflecting a decline of 26.90% compared to RMB 57,587,907.30 in the previous year [33]. - Basic earnings per share decreased to RMB 0.19, down 24.00% from RMB 0.25 in the previous year [33]. - Total assets at the end of the reporting period were RMB 1,904,554,163.16, a decrease of 1.90% from RMB 1,941,503,163.88 at the end of the previous year [33]. - The net assets attributable to shareholders increased by 7.31% to RMB 1,003,886,494.90 from RMB 935,493,887.83 at the end of the previous year [33]. - The weighted average return on net assets was 4.51%, down from 6.15% in the previous year, a decrease of 1.64% [33]. - Operating profit was 46.66 million yuan, down 32.16% year-on-year, while net profit attributable to shareholders was 43.33 million yuan, a decline of 23.89% [55]. - The net cash flow from operating activities improved significantly to RMB 7,204,728.71, compared to a negative cash flow of RMB -109,263,547.46 in the same period last year, marking a 106.59% increase [33]. Investment and Projects - The company is currently constructing several projects, including a 60,000-ton biodegradable polymer material PBAT project and a 20,000-ton epoxy chloropropane project, which are yet to be operational [10]. - The company plans to expand into new product lines, including engineering plastic additives and biodegradable materials, while also exploring black phosphorus and energy battery adhesive businesses [11]. - The company has conducted thorough feasibility studies for its investment projects, but acknowledges potential risks related to market demand and policy changes [10]. - The company is investing in a PBAT project with an annual production capacity of 60,000 tons, currently under construction [46]. - The project for an annual production of 60,000 tons of biodegradable polymer materials has a total investment commitment of RMB 32,000 million, with RMB 20,900 million (65.63%) utilized to date [85]. - The company has ongoing projects for a 60,000 tons/year biodegradable polymer material production line, reflecting its commitment to expanding its product offerings in the green materials sector [71]. Market Conditions and Competition - The company has increased its production capacity by 40,000 tons in recent years, which may lead to intensified competition in the ACR product market [9]. - The company acknowledges the risk of intensified competition in the ACR product market, which could impact profit margins if not managed effectively [98]. - The company is closely monitoring macroeconomic conditions and adjusting its operational strategies to address potential impacts from the domestic real estate downturn [13]. - The company is facing market pressures due to raw material prices and an incomplete upstream and downstream supply chain [52]. - The company is adapting its production capabilities based on market demand for biodegradable materials, including PBS and PBT [46]. Financial Management and Capital Structure - The total amount of raised funds is RMB 34,000 million, with a net amount of RMB 333,448,330.19 after deducting issuance costs [82]. - During the reporting period, RMB 2,063.15 million of the raised funds were utilized, with a cumulative total of RMB 22,400.22 million used to date [82]. - The company has temporarily used RMB 108,000,000 of idle raised funds to supplement working capital [83]. - The cumulative amount of raised funds used for working capital is RMB 15,000 million [83]. - The company plans to use any unutilized fundraising for the construction of unfinished fundraising projects [86]. - The company has not experienced any significant changes in the expected benefits from the investment projects [85]. Environmental and Social Responsibility - The company emphasizes strict safety management and environmental compliance in its production processes to mitigate risks associated with hazardous materials [8]. - The company is committed to adhering to environmental regulations and standards in its operations [114]. - The company has established strict safety management protocols to mitigate risks associated with the use of flammable and explosive chemicals in production [97]. - The company has invested in environmental protection facilities and complies with environmental tax regulations [121]. - The company has developed emergency response plans for environmental incidents, filed with the local ecological environment bureau [120]. - The company reported a total of 18,000 yuan in public welfare expenditures during the reporting period, including 8,000 yuan for rural assistance and 100,000 yuan donated to a charity [126]. Shareholder and Stock Information - The total number of shareholders at the end of the reporting period is 16,678 [173]. - The largest shareholder, Zhou Shibin, holds 22.27% of the shares, totaling 52,442,197 shares, with a recent increase of 690,000 shares [173]. - The company completed the first vesting period of its 2021 restricted stock incentive plan, with 3.1383 million shares vested, involving 193 participants [154]. - The total number of shares held by the top ten unrestricted shareholders accounts for a substantial portion of the company's equity [176]. - The company plans to release 3,138,300 shares from lock-up restrictions on November 17, 2023 [171]. - The total number of restricted shares at the end of the period is 46,593,819 [171]. Research and Development - The company has achieved a breakthrough in the self-developed technology for ABS high rubber powder, entering a new product field [33]. - The company has successfully completed pilot tests for the one-step synthesis of polylactic acid (PLA), indicating progress in new product development [33]. - R&D investment increased by 202.81% year-on-year, reaching 6.96 million yuan, due to new project investments [63]. - The company holds 58 valid patents, including 38 invention patents, reflecting strong R&D capabilities [56].

法定代表人： 周仕斌 主管会计工作的负责人：许曰玲 会计机构负责人：许曰玲 山东瑞丰高分子材料股份有限公司 2023 年半年度非经营性资金占用及其他关联资金往来情况汇总表 单位：人民币元 | | | 占用方与上 | | | 2023 年半年度 | 2023 年半 | 2023 年半年度 | 2023 年半年度 | | | | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | | 非经营性资金占用 | 资金占用方名称 | 市公司的关 | 上市公司核算 的会计科目 | 2023 年期初占 用资金余额 | 占用累计发生 金额 | 年度占用 资金的利 | 偿还累计发生 | 期末占用资金 | 占用形成 原因 | 占用性质 | | | | 联关系 | | | | | 金额 | 余额 | | | | | | | | | （不含利息） | 息(如有) | | | | | | 控股股东、实际控制人及其附 | | | | | | | | | | | | 属企业 | | | | | | | | | | | | 小计 | | | | | | | | | ...

1、公司能够认真执行《上市公司监管指引第 8 号--上市公司资金往来、对 外担保的监管要求》等有关法律法规、规范性文件及《公司章程》的有关规定， 严格控制控股股东及其他关联方占用资金风险。报告期内，公司不存在控股股东 及其他关联方违规占用公司资金的情形，亦不存在以前年度发生并延续到报告期 的控股股东及其他关联方违规占用公司资金的情形。 2、报告期，公司未发生对外担保事项，也没有以前年度发生但延续到报告 期的对外担保事项。 山东瑞丰高分子材料股份有限公司独立董事 关于第五届董事会第十三次会议相关事项的独立意见 我们作为山东瑞丰高分子材料股份有限公司(以下简称"公司")第五届董事 会独立董事，根据《上市公司独立董事规则》、《深圳证券交易所上市公司自律监 管指引第 2 号--创业板上市公司规范运作》、《公司章程》、公司《独立董事工作 制度》等相关法律法规、规章制度和公司文件的有关规定，对公司第五届董事会 第十三次会议有关事项发表如下独立意见： 一、关于控股股东及其他关联方占用公司资金、公司对外担保情况的独立 意见 我们对公司 2023 年上半年度控股股东及其他关联方占用公司资金和公司对 外担保进行了认真核查，发表独 ...

| 证券代码：300243 | 证券简称：瑞丰高材 公告编号：2023-056 | | --- | --- | | 债券代码：123126 | 债券简称：瑞丰转债 | 山东瑞丰高分子材料股份有限公司 第五届董事会第十三次会议决议公告 本公司及董事会全体成员保证信息披露的内容真实、准确、完整，没有 虚假记载、误导性陈述或重大遗漏。 山东瑞丰高分子材料股份有限公司（以下简称"公司"）第五届董事会第十 三次会议于 2023 年 8月 28 日在公司三楼会议室以现场和通讯相结合的方式召开， 本次会议通知于 2022 年 8 月 25 日以电子邮件的方式发出。本次会议应出席董事 9 名，实际出席董事 9 名，公司全部监事、高级管理人员列席了会议。本次董事 会由董事长周仕斌先生主持。本次会议召开符合相关法律、行政法规、部门规章 和公司章程的有关规定。 二、董事会会议审议情况 与会董事经过认真审议，形成以下决议： 1、审议通过了《关于公司<2023 年半年度报告>及其摘要的议案》 与会董事一致认为公司《2023 年半年度报告》及其摘要的编制和审议程序 符合相关法律法规和公司章程、公司内部控制制度的各项规定；公司 2023 ...

山东瑞丰高分子材料股份有限公司 2023 年半年度募集资金存放与使用情况的专项报告 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》、《深圳证券交易所上市公司自律监管指引第 2 号—创业板上市公司规范运 作》和《深圳证券交易所创业板上市公司第 21 号—上市公司募集资金年度存放 与使用情况的专项报告格式》的规定，山东瑞丰高分子材料股份有限公司（以下 简称"公司"）编制了《2023 年半年度募集资金存放与使用情况的专项报告》。 具体如下： 一、募集资金基本情况 （一）实际募集资金金额和资金到账时间 经中国证券监督管理委员会（以下简称"中国证监会"）《关于同意山东瑞 丰高分子材料股份有限公司向不特定对象发行可转换公司债券注册的批复》（证 监许可〔2021〕659 号）同意注册，公司于 2021 年 9 月向不特定对象发行了可 转换公司债券 340 万张，每张面值为人民币 100.00 元，按面值发行，募集资金 总额为人民币 34,000.00 万元。根据有关规定扣除发行费用 6,551,669.81 元（不 含税）后，实际募集资金净额为 333,448,330.19 元。该募集资金已于 ...