Core Viewpoint - The company, Shandong Yisheng Livestock and Poultry Breeding Co., Ltd., is actively repurchasing its shares to implement an employee stock ownership plan, with a total repurchase fund of no less than RMB 100 million and a price ceiling adjusted to RMB 11.80 per share [2][3]. Summary by Sections Share Repurchase Plan - The company has approved a share repurchase plan using bank loans and its own funds, with a total repurchase amount not less than RMB 100 million and not exceeding RMB 12.00 per share initially, later adjusted to RMB 11.80 per share [2][3]. Progress of Share Repurchase - As of June 13, 2025, the company has repurchased a total of 11,064,300 shares, accounting for 1.00% of the total share capital, with a maximum transaction price of RMB 10.94 per share and a minimum of RMB 8.18 per share, totaling RMB 101,168,909.50 (excluding transaction fees) [3][5]. Compliance and Regulations - The share repurchase activities comply with relevant laws and regulations, including the rules set by the China Securities Regulatory Commission and the Shenzhen Stock Exchange, ensuring that the repurchase does not exceed the set price limits and adheres to trading restrictions [3][4].

证券代码：002458 证券简称：益生股份 公告编号：2025-047 山东益生种畜禽股份有限公司 关于回购公司股份比例达到1%暨回购进展的公告 关于回购股份进展情况的公告 本公司及董事会全体成员保证信息披露内容真实、准确和完整， 没有虚假记载、误导性陈述或重大遗漏。 山东益生种畜禽股份有限公司（以下简称"公司"）于 2024 年 11 月 1 日召开第六届董事会第二十三次会议，审议通过了《关于以 集中竞价交易方式回购公司股份方案的议案》，同意公司使用银行专 项贷款资金及自有资金以集中竞价交易方式回购公司部分已发行的 人民币普通股（A 股），本次回购股份将用于实施员工持股计划，回购 股份的资金总额不低于人民币 10,000 万元（含），不超过人民币 20,000 万元（含），回购股份的价格不超过人民币 12.00 元/股（含）， 具体回购股份的数量以回购期限届满或回购完毕时实际回购的股份 数量为准，实施期限为董事会审议通过回购股份方案之日起 12 个月 内。具体内容详见 2024 年 11 月 5 日公司刊登于《中国证券报》《上 海证券报》《证券时报》《证券日报》和巨潮资讯网（www.cninfo.com.c ...

Core Viewpoint - The company announced a share repurchase plan aimed at utilizing funds for an employee stock ownership plan, with a budget of 100 million to 200 million yuan [1] Group 1: Share Repurchase Details - The board of directors approved the share repurchase plan on November 1, 2024 [1] - As of June 13, 2025, the company has repurchased a total of 11.0643 million shares, representing 1.00% of the total share capital [1] - The repurchase price ranged from 8.18 yuan to 10.94 yuan per share, with a total expenditure of 101 million yuan (excluding transaction fees) [1] Group 2: Compliance and Regulations - The share repurchase is in compliance with relevant laws and regulations [1] - The repurchase aligns with the established plan [1]

Core Viewpoint - The sales of Yisheng Co., the largest ancestor meat chicken breeding company in China, have continued to grow due to capacity release and a dual-driven strategy of "breeding pigs + breeding chickens" [1][2] Group 1: Sales Performance - In May, Yisheng Co. sold 10,800 breeding pigs, generating sales revenue of 25.72 million yuan, with year-on-year changes of 207.08% and 196.81% respectively [2][4] - The significant increase in sales volume is attributed to the impact of the May Day holiday, with some orders from late April being delayed to May for delivery [2][3] - The company has been deeply involved in the breeding pig sector for over 20 years, with its original breeding pig farm certified as a national core breeding farm in 2013 [2] Group 2: Capacity Expansion - Yisheng Co. plans to invest in the construction of a "1 million sets of parent breeding chicken farms and supporting projects," which is expected to produce approximately 100 million commercial chicken chicks annually upon reaching full capacity [1][5] - The company has been expanding its parent breeding chicken stock, with plans to introduce 90,000 sets of ancestor meat chickens by 2025, accounting for over 50% of imported ancestor meat chickens [5][6] Group 3: Chicken and Pig Business Dynamics - In May, the sales volume of white feather meat chicken chicks reached 56.61 million, with sales revenue of 17.4 million yuan, showing year-on-year growth of 11.35% but a revenue decline of 11.21% [4][6] - The decline in chicken chick revenue is primarily due to the low prices of small white feather meat chickens, while the sales volume increase is driven by changes in supply and demand dynamics [4] - The price of parent breeding chicks has shown an upward trend, increasing from 45 yuan per set in May to 50 yuan per set in June, indicating a positive outlook for pricing in the future [4][6] Group 4: Financial Overview - In 2024, Yisheng Co.'s pig breeding business revenue reached 22.4 million yuan, a year-on-year increase of 320.39%, accounting for 7.13% of total revenue [6] - The company's total revenue for 2024 was approximately 3.136 billion yuan, a decrease of 2.76% year-on-year, with a net profit of about 504 million yuan, down 6.84% [6] - In the first quarter of 2025, Yisheng Co. reported a revenue of 623 million yuan, with a net loss of 13.17 million yuan attributed to industry cycle fluctuations [6]

Group 1 - Zhongying Electronics' controlling shareholder is planning a change in control, leading to a stock suspension starting June 9, 2025, for up to 2 trading days [3] - Lianhua Technology clarified that it does not directly produce chlorantraniliprole, and the related matters have limited impact on the company's overall performance [4] - Longshen Rongfa's subsidiary received CNAS laboratory accreditation, which is expected to positively influence future operations, though it will not significantly impact current performance [5] Group 2 - Yisheng Co. reported May sales of breeding pigs at 10,849 heads, a year-on-year increase of 207.08%, with significant sales increases attributed to delayed orders from April [7] - Shentong Technology's shareholder plans to reduce its stake by up to 3%, amounting to no more than 12.88 million shares [9] - Ruoyuchen's major shareholder intends to reduce its stake by up to 3%, not exceeding 476.81 million shares [10] Group 3 - Oujing Technology's major shareholder plans to reduce its stake by up to 3%, not exceeding 577.22 million shares [12] - Jindan Technology's shareholder plans to reduce its stake by up to 2.93%, amounting to no more than 563.5 million shares [13] - Huashu Gaoke's shareholder intends to reduce its stake by up to 2.2%, not exceeding 911.17 million shares [14] Group 4 - Zhongke Soft's major shareholder plans to reduce its stake by up to 2%, not exceeding 16.62 million shares [15] - Hengrun Co.'s shareholders plan to collectively reduce their stake by up to 1.89%, with specific reductions from various shareholders [16] - Del Shares' shareholder plans to reduce its stake by up to 1.987%, not exceeding 3 million shares [17] Group 5 - Jianke Institute's shareholder plans to reduce its stake by up to 1%, not exceeding 146.66 million shares [18] - Mindong Electric's shareholder plans to reduce its stake by up to 1%, not exceeding 457.95 million shares [19] - Puli Software's chairman and executives plan to collectively reduce their stake by up to 0.69% [20]

销售情况简报 证券代码：002458 证券简称：益生股份 公告编号：2025-046 二、原因说明 1、受小型白羽肉鸡毛鸡价格低的影响，小型白羽肉鸡苗的销售 单价同比降低，故 2025 年 5 月公司益生 909 小型白羽肉鸡苗销售收 入同比减少。 山东益生种畜禽股份有限公司 2025 年 5 月鸡苗和种猪销售情况简报 本公司及董事会全体成员保证信息披露内容真实、准确和完整， 没有虚假记载、误导性陈述或重大遗漏。 一、2025年5月销售情况 1、鸡苗销售情况 山东益生种畜禽股份有限公司（以下简称"公司"）2025 年 5 月 白羽肉鸡苗销售数量 5,660.97 万只，销售收入 17,386.76 万元，同 比变动分别为 11.35%、-11.21%，环比变动分别为 15.69%、23.05%。 益生909小型白羽肉鸡苗销售数量719.86万只，销售收入633.61 万元，同比变动分别为-8.85%、-36.23%,环比变动分别为4.95%、1.25%。 2、种猪销售情况 公司2025年5月种猪销售数量10,849头，销售收入2,572.29万元， 同比变动分别为207.08%、196.81%，环比变动分别为 ...

Group 1 - Star Stone Investment recently conducted research on Yisheng Livestock and Poultry Science and Technology Co., Ltd, revealing that large white feather broilers are primarily used for processing, while the Yisheng 909 small white feather broilers are more flexible in meeting market demands [1] - The price of parent breeding chicken seedlings increased from 45 yuan per set in May to 50 yuan per set in June, indicating a rising trend [1] - The company introduced 90,000 sets of grandparent meat breed chickens from March to May, which is a significant proportion, and expects tight supply of quality parent breeding chicken seedlings in the second half of 2025, which will support prices [1] Group 2 - Yisheng Livestock plans to invest in a project to build a breeding farm for 1 million sets of parent breeding chickens and a matching feed factory, which is expected to produce about 100 million commercial breeding chickens annually upon reaching full capacity [1] - The decision on which white feather chicken breed to raise is primarily based on which breed can generate more profit [1] - The company has extensive experience in breeding pigs and is strategically positioned in the breeding source sector [1]

投资者关系活动记录表 二、回答投资者的有关问题： 1、大型白羽肉鸡与益生 909 小型白羽肉鸡的用途？ 证券代码：002458 证券简称：益生股份 山东益生种畜禽股份有限公司 投资者关系活动记录表 编号：2025-06 投资者关系 活动类别 ■特定对象调研 □分析师会议 □媒体采访 □业绩说明会 □新闻发布会 □路演活动 □现场参观 □其他 活动参与人员 天风证券：林毓鑫星石投资：王辉 时间 2025 年 6 月 4 日 地点 山东益生种畜禽股份有限公司会议室 形式 现场调研 上市公司 接待人员姓名 证券事务代表：李玲女士 交流内容及具体 问答记录 一、公司情况介绍： 益生股份成立于 1989 年，主要引进、繁育世界优质畜禽良种， 向社会推广种鸡、种猪及商品肉雏鸡，公司以高代次畜禽种源供应为 核心竞争力，是我国乃至亚洲最大的祖代肉种鸡养殖企业，祖代肉种 鸡饲养规模连续十多年雄居全国第一，约占国内进口种鸡市场 1/3 的 份额，公司商品代鸡苗的销量在国内也是最多的。 公司以高代次畜禽种源供应为核心竞争力，是白羽肉鸡行业的龙 头企业，公司在山东、江苏、安徽、黑龙江、河北、山西和新疆 7 个 省（自治区）建立种禽养 ...

关于回购股份进展情况的公告 证券代码：002458 证券简称：益生股份 公告编号：2025-045 山东益生种畜禽股份有限公司 关于回购股份进展情况的公告 本公司及董事会全体成员保证信息披露内容真实、准确和完整， 没有虚假记载、误导性陈述或重大遗漏。 山东益生种畜禽股份有限公司（以下简称"公司"）于 2024 年 11 月 1 日召开第六届董事会第二十三次会议，审议通过了《关于以 集中竞价交易方式回购公司股份方案的议案》，同意公司使用银行专 项贷款资金及自有资金以集中竞价交易方式回购公司部分已发行的 人民币普通股（A 股），本次回购股份将用于实施员工持股计划，回购 股份的资金总额不低于人民币 10,000 万元（含），不超过人民币 20,000 万元（含），回购股份的价格不超过人民币 12.00 元/股（含）， 具体回购股份的数量以回购期限届满或回购完毕时实际回购的股份 数量为准，实施期限为董事会审议通过回购股份方案之日起 12 个月 内。具体内容详见 2024 年 11 月 5 日公司刊登于《中国证券报》《上 海证券报》《证券时报》《证券日报》和巨潮资讯网（www.cninfo.com.cn） 的《关于以集 ...

投资者关系活动记录表 证券代码：002458 证券简称：益生股份 山东益生种畜禽股份有限公司 投资者关系活动记录表 编号：2025-05 投资者关系 活动类别 ■特定对象调研 □分析师会议 □媒体采访 □业绩说明会 □新闻发布会 □路演活动 □现场参观 □其他 活动参与人员 金鹰基金：蒋程浩、林暐中泰证券：姚雪梅 东北证券：李 强、陈科诺 华福证券：赵雅斐 中信证券：施 杨 时间 2025 年 5 月 22 日 地点 山东益生种畜禽股份有限公司会议室 形式 现场调研 上市公司 接待人员姓名 总裁、董事会秘书兼财务总监：林杰先生 证券事务代表：李玲女士 交流内容及具体 问答记录 一、公司情况介绍： 益生股份成立于 1989 年，主要引进、繁育世界优质畜禽良种， 向社会推广种鸡、种猪及商品肉雏鸡，公司以高代次畜禽种源供应为 核心竞争力，是我国乃至亚洲最大的祖代肉种鸡养殖企业，祖代肉种 鸡饲养规模连续十多年雄居全国第一，约占国内进口种鸡市场 1/3 的 份额，公司商品代鸡苗的销量在国内也是最多的。 公司以高代次畜禽种源供应为核心竞争力，是白羽肉鸡行业的龙 头企业，公司在山东、江苏、安徽、黑龙江、河北、山西和新疆 7 ...